Ten Trivia about the Biel International Chess Festival

by Eduard Frey
7/14/2023 – The 56th Biel Chess Festival, one of the most traditional and beautiful chess tournaments, begins next Saturday, 15 July 2023. In his review, Eduard Frey presents ten surprising and interesting facts about the history of the tournament. | Photo courtesy of the organiser: Playing Hall, Congress Centre Biel

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Ten trivia about the Biel International Chess Festival series

The traditional Biel International Chess Festival, held annually since 1968, is a highlight in the classical chess calendar. The author, who lives in Biel, presents some amusing trivia from its rich history.

The festival in the bilingual Swiss-German and French metropolis of Biel/Bienne in the canton of Bern in Switzerland, began in 1968 as an open with 34 players in a restaurant, and has been held every summer without interruption ever since (even during the Corona pandemic there was a reduced event), expanding step by step during the 1970s.

The winner of the very first International Biel Open in 1968 was the Swiss Edwin Bhend (IM since 1960, the man who had beaten the great Tal in the first round of the Zurich Invitational in 1959), on a better tie-break over the young Dutchman Jan Timman, who won the Biel Open the following year in 1969.

The unforgotten Tony Miles from England won the first International Grandmaster Invitation Tournament in Biel in 1977, two full points ahead of Oscar Panno from Argentina, Roman Hernandez Onna from Cuba and Ulf Andersson from Sweden who shared second place (16 players).

The Open (now called Master Tournament, MTO) continued, and additional chess events such as an Amateur Open (called Main Tournament), youth competitions, sometimes a "B" group or ladies tournament, rapid, blitz exhibitions as well as simuls and other events are held every year.

Biel has hosted a FIDE Interzonal Tournament (IZT) three times, namely in 1976 (winner Bent Larsen), in 1985 (winner Rafael Vaganian) and in 1993 (also the last Interzonal ever, it was  a Swiss tournament, Boris Gelfand came clear first). Worth mentioning: In 1994 the 4th World Senior Chess Championship, won by Mark Taimanov, also took place during the festival.

At the Interzonal in 1976 a total of 820 players from all continents played during the festival, at the Interzonal in 1993 no less than 1344 players participated, the highest number in the series.

Biel has truly established an international chess festival, offering not only a major closed invitational tournament, but also a strong and large open tournament, plus an amateur section and several side events. Not many festivals offer both a major invitational and a major open.

The festival caters for all family wishes, such as a father accompanying his son: Magnus Carlsen, playing in the Invitation Tournament, watches Henrik Carlsen (with glasses), playing in the Open at the Biel Festival 2018. | Photo: Organiser

Record winner

The record winner is Maxime Vachier-Lagrave, who has won the Grandmaster Tournament four times. MVL won in 2009, 2013, 2014 and 2015. The Frenchman also won a match against Svidler in 2016 (no invitational round robin then).


 

Maxime Vachier-Lagrave playing mini-golf during an excursion during the Biel Festival in 2013, and pictured again at the festival in 2016. | Photos: Organiser

Longest winning span and biggest winning margin at the Biel Festival (Grandmaster Tournament)

Viktor Korchnoi has by far the longest winning span in the elite Grandmaster tournament in Biel: 22 years (from 1979 to 2001). Korchnoi also has the longest winning span in Beverwijk / Wijk aan Zee: 19 years (from 1968 to 1987, with a total of four victories) and, for example, in Bosna, Sarajevo: an incredible 29 years (from 1969 to 1998, with three victories in three participations).

He won the Grandmaster tournament on his first appearance in 1979, and again in 2001, shortly after his 70th birthday, as the clear winner of a strong double round-robin, ahead of Svidler, Gelfand, Grischuk, Lautier and the Swiss player Yannick Pelletier, who had beaten both Carlsen and Korchnoi in individual games in Biel.

Viktor Korchnoi also holds the record for the biggest margin of victory in absolute points in the Biel series. In 1979 (half of the 14 players were from the host nation Switzerland) Korchnoi drew his first game in the ninth round against Wolfgang Unzicker and won the event with an amazing 12 out of 13, an unbelievable 4.5 points ahead of runner-up IM Heinz Wirthensohn, who thus won the title of Swiss National Champion (Korchnoi was stateless at the time, and the Swiss Chess Federation was not yet prepared to allow him to become National Champion, despite the fact that Korchnoi had played for Switzerland and had won the individual gold medal on board one at the Chess Olympiad 1978).

In this video course, experts (Pelletier, Marin, Müller and Reeh) examine the games of Viktor Korchnoi. Let them show you which openings Korchnoi chose to play, where his strength in middlegames were, or how he outplayed his opponents in the endgame.

Oldest winner

Of course, Viktor Korchnoi (1931-2016) is the oldest winner of the series at the age of 70 years and four months, taking a clear first place in 2001 ahead of sole runner-up Peter Svidler, the defending champion of the 2000 Biel tournament, and Boris Gelfand in sole third place.

Still in FIDE's top 50 at the end of 2001, Korchnoi was behind Gelfand, Svidler, Lautier and the up-and-coming Grischuk, all world elite players. Let us not forget: Korchnoi was (roughly) forty to fifty years younger than Gelfand, Lautier, Svidler and Grischuk!

Korchnoi played very lively chess, constantly searching for new ideas. His triumph was no fluke, he was leading or co-leading from the first two rounds, beating Grischuk in the first round, then beating Gelfand in a typical counter-attack with Black, grabbing material, disturbing the balance, defending like a lion in unorthodox style, until he finally counter-attacked and defeated his opponent in a brilliant endgame.

Gelfand-Korchnoi, 2001

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1.d4 Ftacnik d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.0-0 Nbd7 9.Qe2 Bg4 10.e4 '?!' Ftacnik. Ftacnik: 'This active approach is dubious, since black can try to win the d4 pawn.' Dieses Bauernopfer ist von zweifelhafter Qualität. Üblich ist 10.h3 oder 10.Rd1 10...Nb6 11.Bb3 Bxf3 12.Qxf3 Qxd4 13.Rd1 Schon gespielt wurde 13.a5 Nach Nbd7 14.Ra4 Qd6 15.Bf4 e5 16.Bg5 h6 17.Rd1 Qe7 18.Bh4 Bc5 hatte Weiß keine nennenswerte Kompensation für den geopferten Bauern: 0-1 Uchitel,S-Kirusha,A/St Petersburg 1998/EXT 99 (61). (61) 13...Qe5 14.Bf4 14.Bc2 Ftacnik 0-0 15.Bf4 Qh5 16.Qxh5 Nxh5 17.Bc7 Nc4 14...Qh5 15.Qd3 15.Qxh5 Ftacnik Nxh5 16.Bc7 Nd7 15...Nbd7 '!' Ftacnik. Ftacnik: 'The defense is very compact, Gelfand entertains only small chances for the real compensation.' Nach der Partie gefiel Kortchnoj dieser Zug nicht mehr recht. Er schlägt statt dessen ("New in Chess" 6/2001, S. 39) 15...e5 vor. Indessen hat Weiß meines Erachtens nach 16.Be3 16.Qg3 (Kortchnoj, "New in Chess" 6/2001, S. 39) exf4 17.Qxg7 kann auch mit Ke7 an Stelle von 17...Dg6 (Kortchnoj) widerlegt werden. 16...Nbd7 17.a5 0-0 18.f3 durchaus ausreichende Kompensation für den Bauern, weil die Dame des Schwarzen nur unter den größten Schwierigkeiten ins Spiel zurückfindet. 15...0-0 Ftacnik 16.Bc2 e5 17.Bg3 Nbd7 16.e5 Nxe5 17.Qd4 17.Qg3 Ftacnik Ng6 18.Bc7 Rc8-+ 17...Bxc3 18.bxc3 Meines Erachtens bietet das Wiederschlagen mit der Dame etwas bessere Aussichten auf Widerstand. Nach 18.Qxc3 gibt Kortchnoi folgendes Abspiel: Ng6 19.Bd6 Ne4 19...0-0-0 kommt in Betracht und wurde vielleicht von Gelfand befürchtet. 20.Qxg7 Nxd6 20...Qf5 21.Bg3 Nxg3 22.hxg3 Qe5 23.Qxe5 Nxe5 ist stärker als die von Kortchnoj vorgeschlagene Fortsetzung. 20...Qe2 Ftacnik 21.Bxe6 fxe6 22.Qxb7 Rd8 23.Qxc6+ Kf7 24.Qc7+ Kf6 25.Be5+ Nxe5 26.Rxd8 Qxf2+ 27.Kh1 Qe2 28.h3 28.Rxh8 Ftacnik Nf2+ 29.Kg1 Nf3+ 30.gxf3 Nh3+ 31.Kh1 Qxf3# 28...Ng3+ 29.Kh2 Qf2-+ 21.Rxd6 Die Variante 21.Bxe6 Qe5 22.Bxf7+ Nxf7 23.Re1 0-0-0 24.Rxe5 Nfxe5 , die Kortchnoj ebenfalls angibt, ist für Weiß sicher nicht zuträglich. 21...Qe5 22.Qxe5 Nxe5 23.f4 23.Rad1 ist viel stärker und genügt beinahe zum Ausgleich; es droht 24.Le6:. Ng4 23...Nd7 24.f5 Nc5 25.Bc4 Ke7 "Weiß kämpft ums Überleben." 18...Ng6 19.Bd6 Qa5 Nach Kortchnoj der einzige Zug, aber vielleicht war 19...Qg4 20.Qc5 20.Qxg4 Ftacnik Nxg4 21.a5 Nf6-+ 20.f4 Ftacnik Nh4 21.Qf2 Ne4-+ 20...Nh4 21.Bg3 Nf5 auch spielbar; es droht 22...Sd7. 20.Bc5 "Das Beste" (Korchnoj). 20.Bb4 ist unbefriedigend für Weiß: Qe5 21.Qc4 Nd5 (Kortchnoj, loc. cit.) 20.Ba3 Rd8 21.Qc4 21.Qe3 wird, wie Korchnoj angibt, mit Qb6 22.Qg3 Qxb3 23.Rxd8+ Kxd8 24.Qb8+ Kd7 25.Qd6+ Kc8-+ widerlegt. 21...Nd5 22.Rab1 erhält nach Kortchnoj die Spannung aufrecht, doch dürfte Weiß nach Rd7 kaum ausreichende Kompensation für die beiden geopferten Bauern finden können. 20...b6 21.Bb4 21.Ba3!? wurde von Gelfand nach der Partie als Verbesserung vorgeschlagen, und Kortchnoj stimmt dem bei: Qe5 22.Qxe5 Nxe5 23.a5 Ng6 23...c5? ist wie Kortchnoj angibt, schlecht; nach 24.axb6 axb6 25.Bxc5 Rxa1 26.Rxa1 Kd7 kämpft Schwarz ums Remis. "Nach 23...b5 "hat Weiß viele Arten, seine Initiative zu entwickeln, indem er mit 24.a6 oder 24.c4 beginnt." (Kortchnoj, "New in Chess" 6/2001, S. 39. Ich muß gestehen, daß mir die Möglichkeiten des Weißen nicht so rosig erscheinen, zum Beispiel Nxc4 24...bxc4 25.Ba4 Nfd7 26.f4 Nd3 kommt auch in Betracht. 25.Bxc4 bxc4 gefogt von Sf6-d5; oder nach 24. a6 24...Nd5 usw. Ich halte 23...b5 für die stärkste Fortsetzung in diesem Abspiel. 24.Bc2 24.Bd6 Ne4 25.Bb4 25.axb6 Nxd6 26.Rxd6 Ke7 27.Rxc6 axb6 28.Rxa8 Rxa8 29.g3 gibt dem Weißen noch die Möglichkeit, weiterzukämpfen. 25...c5 26.axb6 cxb4 27.Ba4+ Ke7 28.Bc6 Nxc3 29.Rd7+ Kf6 30.Bxa8 b3 "mit Vorteil für Schwarz": Kortchnoj, "New in Chess" 6/2001, S. 39. Nun scheitert 24.axb6 axb6 25.Bb4 an Rxa1 26.Rxa1 c5 , weil der Turm auf h8 gedeckt ist (Kortchnoj). 24...c5 25.axb6 axb6 26.Bxg6 hxg6 27.Bxc5 Rxa1 28.Rxa1 Kd7 29.Bxb6 führt nach Kortchnoj zum Ausgleich, aber er scheint mir allzu fixiert auf die Idee, c6-c5 zu spielen; 24...ba5: und 24.. .b5 verdienen Untersuchung. 21...Qe5 22.Qxe5 22.Qc4 Ftacnik c5 23.Qb5+ Ke7-+ 22...Nxe5 23.Bd6 23.a5 c5 ist nun hoffnungslos für Weiß. 24.axb6 cxb4 25.Rxa7 Rxa7 26.bxa7 Ke7-+ 23...Ned7 24.a5 Ne4 Dies ist eine sichere Fortsetzung; Schwarz erhält ein Endspiel mit einem gesunden Mehrbauern, doch ist nicht klar, ob es als sicher gewonnen einzuschätzen ist. Mit 24...b5!? war es möglich, nach mehr zu streben. 25.c4 Ne4 26.cxb5 cxb5 27.Bb4 25.axb6 Nxd6 '!' Ftacnik. Ftacnik: 'Kortschnoj is avoiding the dangers of fighting against bishops pair and prefers to give back one of the pawns.' 25...Nxb6 Ftacnik 26.Be5 f6 27.Bd4 c5 28.Bc2 cxd4 29.Bxe4 Rc8 30.cxd4 26.Rxd6 Ke7 27.Rxc6 axb6 Diese Stellung ist viel besser für Schwarz als die oben unter 21.Lb4 zu a) 24.Ld6, 1. Klammer angegebene; der Springer des Schwarzen steht hier auf d7, dort auf g6. 28.Rb1 Rhc8 29.Ba4 Nc5 30.Bb5 30.Rxc8 Rxc8 31.Bc2 Nd7 32.Rb3 war vielleicht zäher. Nf6 30...Rxc6 31.Bxc6 Ra2 31...Ra3 war laut Korchnoj genauer. 32.h4 Kd8 32...Kd6 ist ungenau; Weiß antwortet 33.Be8 33.Rd1+ Kc7 34.Be8 f6 35.Bb5 Ra3 36.c4 e5 37.Kf1 Ra2 38.Rd5?! 38.f3 war richtig, um e5-e4 zu verhindern (Korchnoj, "New in Chess" 6/2001, S.40.). 38...e4 39.h5 h6 40.Kg1 40.g3 war laut Kortchnoj zäher, um den König im Zentrum zu halten. 40...Ra3 Schwarz strebt den Turmtausch an; danach kann er seinen König entscheidend aktivieren. 41.Kh2 Auf 41.Rd1 folgt Nd3 und der König des Schwarzen findet den Weg ins Zentrum. 41...Rd3 42.Rf5 Kd6 43.Rf4 Ke5 44.Rg4 Ne6 45.Bc6 Ng5 46.f4+ Kf5 47.Rh4 Ne6 48.g4+ Kxf4 49.g5+ Kxg5 50.Rxe4 Nd4 0–1
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Gelfand,B2714Kortschnoj,V26170–12001D18Biel GM1

Bilingual newspaper report about Viktor Korchnoi and founding figure Hans Suri before the 2001 edition, which was won by the multi-talented Korchnoi. | Photo by Grandmaster Golubev, Twitter

Biel/Bienne, part of the canton of Bern, lies on the language border between the French-speaking and German-speaking parts of Switzerland and is bilingual throughout. Biel is the German name for the city, Bienne its French counterpart, and it is often referred to in both languages simultaneously. Since 1 January 2005, the official name is Biel/Bienne.

The city lies at the foot of the first mountain range of the Jura, on the north-eastern shore of Lake Biel, and has been an industrial and watchmaking centre of Switzerland since the 19th century. Today, Biel/Bienne has a population of around 55,000 and the surrounding agglomeration almost 110,000.

Youngest winner

Magnus Carlsen is the youngest ever winner of the GM Invitational, aged 16 and a half in 2007, after a speed play-off against Alexander Onischuk (after four draws the fifth and final play-off, an Armageddon, went to the Norwegian), Grischuk, Pelletier, Judit Polgar and Radjabov finished third to sixth, a total of ten players in a single round robin.

Video footage of selected tie-break games and a short interview with the young winner

Watch this Armageddon game:

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1.d4 Nf6 2.Nf3 e6 3.c4 c5 4.Nc3 cxd4 5.Nxd4 Bb4 6.g3 0-0 7.Bg2 d5 8.cxd5 Nxd5 9.Bd2 Bxc3 10.bxc3 e5 11.Nb3 Nc6 12.0-0 Nb6 13.Be3 Qc7 14.Qc2 Be6 15.Rfd1 Nc4 16.Bc5 Rfd8 17.Qe4 Rac8 18.f4 f5 19.Qf3 b6 20.Bf2 e4 21.Qh5 Qf7 22.Qh4 Rxd1+ 23.Rxd1 Nb2 24.Rd6 Nc4 25.Rd1 Nb2 26.Rc1 Na4 27.Nd4 Nxd4 28.Bxd4 Bxa2 29.g4 Be6 30.Rd1 Nb2 31.Ra1 Nc4 32.gxf5 Bxf5 33.Qg5 h6 34.Qg3 Kh7 35.e3 Rc7 36.Kf2 Qg6 37.Qh4 Nb2 38.Bf1 Nd3+ 39.Bxd3 exd3 40.Rg1 Qxg1+ 41.Kxg1 d2 42.Qh5 Bc2 0–1
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Onischuk,A2650Carlsen,M27100–12007E20Biel GM playoff5

As world number one Magnus Carlsen played twice in Biel but could not win: Wang Hao triumphed at the 2012 Biel GM Invitational over Magnus Carlsen, followed by Giri and Nakamura as joint third and Bacrot as fifth (special football scoring was in effect with three points for a win, Wang Hao had six wins and three losses and benefited from this rule).

In 2018, Mamedyarov won, Carlsen, the World Champion, was the clear runner-up, Vachier-Lagrave and Svidler shared third place, Navara finished fifth. The decisive moment came in round 9.

Background story by André Schulz and in-depth analysis by Grandmaster Golubev of this famous encounter, which turned out to be Carlsen's last defeat in a classical chess game for a long time. In fact, Carlsen went on to achieve an unbeaten streak of 125 games in the classical time format!

Biel: Mamedyarov defeats Carlsen and wins it all

Mamedyarov vs. Carlsen during the penultimate round at Biel 2018. | Photo: Lennart Ootes

In total, Carlsen and Korchnoi, both, played seven times in the GMT Invitational at Biel Festival, and both won twice. Remember, Magnus played three times a the age of 16 or younger, Victor three times at the age of 70 or older. Chess is a game for all ages!

Let our authors show you how Carlsen tailored his openings to be able to outplay his opponents strategically in the middlegame or to obtain an enduring advantage into the endgame.

Best woman ever

At the 50th and Jubilee edition in 2017, Hou Yifan from China is the first woman to win the elite event, outright above nine men! Hou Yifan triumphed in style with a tournament perfomance of 2810 Elo. This is amongst the best perfomances by a woman, and certainly the best personal chess career achievement of Hou Yifan.

Etienne Bacrot took the silver medal half a point behind, Pentala Harikrishna won bronze. On shared fourth to seventh place were Ruslan Ponomariov, Peter Leko, surprising Swiss Nico Georgiadis, and Alexander Morozevich. David Navara was eight, veteran Raf Vaganian ninth, the other Swiss player, Noël Studer came in last.

Eight World Champions playing at Biel Festival

Eight undisputed World Chess Champions played at Biel Chess Festival (Interzonals included): Smyslov, Tal, Petrosian, Karpov, Kramnik, Anand, Carlsen, and Ding Liren. Spassky and Kasparov were guest of honour and gave a simul at Biel, Spassky during a Festival, Kasparov in a private visit organised by Hans Suri. Max Euwe witnessed Biel as FIDE president during the closing ceremony of the Interzonal in 1976. Several Women’s, Junior, and Senior World Champions played, too.

Further famous players

The near complete elite of the last fifty years played at the International Chess Festival of Biel, this is a record only matched by Wijk aan Zee, and Dortmund.

A selection of important players at the International Chess Festival of Biel, running since 1968, IZT 1976, 1985, 1993, GMT since 1977:

As mentioned eight undisputed World Chess Champions, plus Korchnoi, Larsen, Andersson, Miles, Nunn, Short, Speelman, Adams, Timman, Sosonko, Piket, Giri, Lautier, Bacrot, Vachier-Lagrave, Topalov, Georgiev, Kurajica, Ljubojevic, Portisch, Sax, Adorjan, Leko, Rapport, Gheorghiu, Navara, Pachman, Hort, Unzicker, Hübner, Lobron, Naiditsch, Geller, Polugaevsky, Beliavsky, Ivanchuk, Morozevich, Gelfand, Grischuk, Svidler, Shirov, Salov, Bareev, Khalifman, Ponomariov, Vaganian, Radjabov, Mamedyarov, Karjakin, Nepomniachtchi, Nakamura, So, Caruana, Kamsky, Gulko, Seirawan, Christiansen, De Firmian, R. Byrne, Vallejo Pons, Panno, Quinteros, Zapata, Torre, Spraggett, Rogers, Tabatabaei, Le Quang Liem, Harikrishna, Sasikiran, Vidit, Gukesh D, Wang Hao, from young Abdusattorov to the senior Taimanov – to illuminate a bunch of prominent names in no particular order, who played on various occasions at the Biel Chess Festival.

Rustam Kasimdzhanov acted as one of the Festival commentators, as Daniel King, Miso Cebalo or Klaus Bischoff, to mention only a few more.

Zsuzsa (Susan), Sofia and Judit Polgar, Nona Gaprindashvili, Maia Chiburdanidze, Pia Cramling, Tatiana Lematschko, Jana Bellin / Miles, Helene Mira, Ildiko Madl, Alisa Maric, Nana Ioseliani, Nana Alexandria, Barbara Hund, Corina Peptan, Alexandra Kosteniuk, Tatiana Kosintseva, Nadezhda Kosintseva, Elisabeth Päthz, Kateryna Lahno, Almira Skripchenko, Yelena Dembo, Monika Socko, Monika Seps, and, of course, Hou Yifan – among many other women – played as well at the Biel Chess Festival.

Milov (tied for first with Karpov in the GM Invitation in 1996 as well won the Open twice), Gavrikov (he too won both the Open and GM section), Nemet (winner of the Open in 1982), Partos (winner of the Open in 1978), Bhend (winnner of the inaugural Open in 1968), D. Keller, W. Hug, Lombard, Wirthensohn, Trepp, Franzoni, Züger, Känel, Huss, Costa, Gobet, Landenbergue, Forster, Brunner, Jenni, Ekström, Gallagher, Pelletier or recently Studer and Georgiadis, represented the hosting nation in different formats.

And many further strong but sometimes outshined grandmasters who all played at Biel Festival, too, such as Dreev, Ehlvest, Epishin, Yudasin, Kuzmin, Kurnosov, Alekseev, Alekseenko, Motylev, A. Sokolov, Romanishin, Tukmakov, Onischuk, Vitiugov, Volkov, Volokitin, Eljanov, Avrukh, Smirin, Sutovsky, Rodshtein, Grünfeld, Greenfeld, Gutman, Stean, McShane, Howell, Chandler, Campora, Shankland, Henley, Dominguez Perez, Nogueiras, Bologan, Safarli, Sturua, Socko, Bartel, Wojtaszek, Smejkal, Ftacnik, Flesch, Almasi, Balogh, Nikolic, Kozul, Saric, Ostojic, Janosevic, Sahovic, Ciric, Vukic, Soos, Glek, Wahls, Hickl, Lutz, Meier, Kindermann, Klinger, Robatsch, Hansen, Hellers, Bauer, Fressinet, Edouard, Tkachiev, Mariotti, IM Toth, Illescas, Bellon Lopez, Anton Guijarro, I. Sokolov, Van der Wiel, Van der Sterren, Van Wely, Hjartarson, Salem Saleh, Adianto, Adhiban, Negi, Ni Hua, Nihal Sarin, Ngoc Truongson Nguyen, and countless more.

Preferred Partner is Yannik Pelletier, born in Biel/Bienne, he got by far the most invitations, namely 13 times in the leading GM-group. Alas, he never won, and never was sole or shared runner-up.

The three Interzonals

Tal playing Liberzon, last round at IZT 1976 in Biel. | Photo: Pinterest, Salsa Mus

Under Hans Suri (1928-2013), Biel organised three FIDE Interzonal tournaments, in 1976, 1985, and 1993. For more details, consult the following link: Bieler Interzonale - www.chessdiagonals.ch

The Open section

Youngsters Jan Timman and Hans Böhm at the Biel Open in 1969 | Photo: hansbohm.com

In 1967, Hans Suri of the Schachgesellschaft Biel organised the Swiss National Chess Championship in his town, and he had a vision: An international chess tournament. He asked the Swiss Chess Federation if they were interested and could help him, but they said, difficult, ... certainly not now, maybe later, some day... Suri insisted and started his own event.

To be fair to the Federation, and as festival father and founder Hans Suri himself pointed out, it must be remembered that in 1968 Switzerland organised the FIDE Chess Olympiad in Lugano, and the emphasis was on this official team event.

Exactly 55 years ago, from 20 to 27 July 1968, the first tournament of the series ("International Open of the Biel Chess Club") took place in the Hotel Dufour of Biel, the local club, with 34 participants, already from nine different countries. But one grandmaster was missing. Suri's next goal was clear: he had to catch a grandmaster!

Not an easy task in those days, at the end of 1968 there were only 101 players who had been awarded the highest title by FIDE (Anatoly Lein was the only player to become a GM in 1968, in 1969 there were no new GMs at all). Several grandmasters had died since 1950, many were inactive, the fifty to sixty active chess grandmasters played in invitational tournaments, official and friendly matches or team events.

Open festivals played in the Swiss system were still rare and somehow uncommon in the 1960s (although the US Open had already switched to the Swiss system, but the famous Lone Pine, London Lloyds Bank, Lugano or New York Open series started later in the 1970s and 1980s).

During the Lugano Olympiad, Hans Suri was looking for a grandmaster to come to Biel for a planned second edition in 1969. But the leading chess federations soon made it clear that they would not send anyone to such an obscure competition and advised Suri to offer an invitational tournament.

Suri was convinced by his initial idea and he knew that he had to establish an annual series step by step. It was a happy day when the first grandmaster agreed to come to Biel in the early seventies. He was announced as the man who had beaten Bobby! In fact, Dragoljub Janosevic had beaten Fischer at the Skopje Invitational in 1967 (round robin of 18 players), Janosevic was the first grandmaster to play at the Biel Open. He later got a place in the 1979 invitational.

Two important milestones were a larger playing hall and the acquisition of a sponsor. In 1975, the festival was held for the first time in the comfortable Congress Hall ("Palais des Congrès"). UBS, and later CS Credit Suisse until 1997, provided financial support for the Festival. Since 1999, it has mainly been the city of Biel/Bienne with public subsidies and the Accentus Foundation, i.e. the festival is once again looking for a main commercial sponsor!

The Interzonal of 1976 put Biel on the international chess map. Since 1977 an additional annual grandmaster tournament has been organised, except in 1978 and 2016 when the Open was the main event, and in 1985 and 1993 when further Interzonals were held during the festival.

List of all winners (Open, GMT, B-group and major side events) in detail: Winner in Biel - www.chessdiagonals.ch

Playing chess in Biel keeps you fit! Edwin Bhend, born in 1931, the very first winner at Biel Open from the year 1968, still competitively playing in official FIDE tournaments at age of 90, pictured at the European Senior Team Chess Championship 2021 in Prague. | Photo: Pavel Hubeny

Chess Triathlon

Since 2019, the format of the long-standing Grandmaster Tournament has switched to a so-called Grandmaster Triathlon, with a combined scoring system of 7 Classical, 7 Rapid and 14 Blitz games, i.e. a total of 28 chess games in 3 round-robin sets.

This year's line-up is promising again, with eight players from eight different countries: Yu Yangyi from China as the top seed, followed by Le Quang Liem from Vietnam, the 2013 Blitz World Champion who is also the defending champion of the Biel tournament in 2022, Arjun Erigaisi from India, Bogdan-Daniel Deac from Romania, Vincent Keymer from Germany, Bassem Amin from Egypt, David Navara from the Czech Republic who is also the senior in the field, and traditionally a player from France, this time Jules Moussard following in the footsteps of his compatriots Lautier, Bacrot and MVL.

Biel 2015 witnessed one of the most memorable chess games of all time! David Navara, playing again this year, faced Radoslaw Wojtaszek, who would later win a GMT Triathlon edition in Biel. Both players could have easily ended this brave and tortuous king's manoeuvre with a boring game for eternal draw - but they were searching for the truth! Enjoy David's King's March:

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1.e4 I was David's second in Biel, so the following remarks come from first-hand knowledge. From their previous encounters, David felt that Radek had respect for his calculating abilities, thus he opts for the sharper opening move. c5 Radek also plays the Caro-Kann, but this was expected. As Anand's second he must have spent long hours examining the Najdorf from every possible angle, so he puts his full trust in this complex system. 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 Jansa, who is still Navara's regular trainer, prefers the classical 6.Be2 While David would assuredly take on the Scheveningen with 6...e6, getting something tangible in the heavily analysed e5 7.Nb3 Be7 is currently an almost impossible task. David has also tested the fashionable 6.h3 , but lately Radek reacted with g6 6...e6 7.g4 h6 8.Bg2 Be7 9.Be3 Nc6 10.f4 Nd7 11.0-0 Nxd4 12.Qxd4 0-0 13.Qd2 Rb8 14.Rad1 b5 15.Ne2 Qc7 16.f5 Nf6 17.Ng3 Re8 18.Bd4 e5 19.Be3 Bb7 20.Bxh6! gxh6 21.Qxh6 Navara,D (2716)-Grischuk,A (2795) Tromso 2014. For more details see the notes to this game in CBM 162. 6...e5 7.Nb3 was a major alternative, which could transpose into the game position after Be6 8.Be3 7.g4 Bg7 8.Be3 Nc6 9.g5 Nd7 10.h4 Qa5 11.Qd2 Nc5 12.0-0-0 Bg4 13.Be2 Bxe2 14.Qxe2 Rc8 15.Kb1 Na4 16.Nxa4 Qxa4 17.c3 Ne5 18.h5 Qc4 19.h6 Qxe2 20.Nxe2 Bf8 21.f4 Nc4 22.Bc1 Nb6 23.b3 e6 24.c4± Moussard,J (2444)-Wojtaszek,R (2746) Montpellier 2015 While Black would hardly repeat this game, during his preparation David still wanted to narrow down his options and concentrate on the system, which appeared in the game. 6...e5 Radek's main choice. He only very rarely opts for the Scheveningen move 6...e6 Kasparov's sortie 6...Ng4 has not yet occurred in his practice. And in case it did: White can still change tack with 7.Bc1 Nf6 8.h3 7.Nb3 Be6 8.h3 The English Attack with 8.f3 has been heavily analysed and tested in the past decades, moreover Wojtaszek has used no fewer than three moves here: especially h5!? gives the game a distinct character of its own: 8...Nbd7 , or 8...Be7 can lead to similar, but not necessarily the same positions. 9.Nd5 Bxd5 10.exd5 Nbd7 11.Qd2 Qc7 12.c4 g6 13.0-0-0 Nb6 14.Qa5 Bh6 15.Bxh6 Rxh6 16.Kb1 Nfd7 17.Qd2 Rh8 18.Rc1 Na4 19.Be2 a5 20.Na1 Kf8 21.Nc2 Kg7 22.Na3 Topalov,V (2771)-Wojtaszek,R (2698) Rhodes 2013 Qd8 23.Nb5 Qf6 24.Bd1 Nac5∞ For more details see the notes in CBM 157 by Wojtaszek, who won this important game in the crucial match of the 2013 European Cup. 8.Qd2 is another try, flexibly postponing the choice between f3 and f4. However, White had different plans. 8...Be7 8...Nc6 9.Qf3 Rc8 10.0-0-0 Nb4 11.Kb1 Qc7 12.a3 12.Bg5!? Be7 13.a3 Nc6 14.Nd5 Nxd5 15.exd5 Bxd5 16.Qxd5 Bxg5 17.Qxd6 Qxd6 18.Rxd6 Be7 19.Rd5 Rd8 20.Bc4 0-0 21.Rhd1 Rxd5 22.Bxd5 Rd8 23.Rd3 g6 24.Bxc6 bxc6 25.Na5 Rc8 26.Rd7 Bc5 27.f3 f5 28.b4 Bf8 29.c4± Stukopin,A (2573)-Wang,K (2367) Chicago 2015 12...Nxc2! 13.Kxc2 Qc6 14.Nd2 d5 15.exd5 Nxd5 16.Ndb1 Qa4+ 17.Kd2 Qb3 18.Ke1 Nxe3 19.Qxe3 Qxb2 20.Qxe5 Bc5 21.Rd2 Qc1+ 22.Rd1 Qb2 23.Rd2 Qc1+ 24.Rd1 Qb2 1/2, Laznicka,V (2681)-Wojtaszek,R (2713) EU-ch Yerevan 2014 The knight sacrifice was an important novelty when this game was played, but Radek didn't want to repeat it against a prepared opponent. The same goes for 8...Nbd7 9.g4 Rc8 10.Qd2 h6 11.0-0-0 b5 12.f4 b4 12...Be7 13.Kb1 exf4 14.Bxf4 Ne5 15.Qg2 Nfd7 16.Nd5 Bxd5 17.exd5 Bg5 18.Bg3 Bh4 19.Nd4 Bxg3 20.Qxg3 g6 21.h4 Rc5 22.Bg2 Qf6 23.g5 hxg5 24.hxg5 Rxh1 25.Rxh1 Qg7 Libiszewski,F (2520)-Edouard,R (2665) Linares 2013 26.Nc6 13.Nd5 Nxe4 14.Qxb4 Ng3 15.Rg1 Nxf1 16.Rgxf1 Bxd5 17.Rxd5 Be7 18.Qa5 0-0 19.Qxd8 Rfxd8 20.c3 Nf6 21.Ra5 exf4 22.Rxf4 Ponomariov,R (2714) -Wojtaszek,R (2744) Beijing blitz 2014 8...d5?! 9.exd5 Nxd5 10.Nxd5 Bxd5 10...Qxd5 11.Qxd5 Bxd5 12.0-0-0 11.Qd2 9.g4!? Although this thrust doesn't give White an advantage, David was attracted to an unbelievable idea "for 1 game" he found at home. It actually appeared in the game and subsequently turned out to be more risky than suspected, but the resulting positions were not to Black's liking. The ticking clock and also White's instant play put increased pressure on Radek... Here the main move is 9.Qf3 , after 0-0 10.0-0-0 b5 11.g4 b4 12.Nd5 Nxd5 13.exd5 Bc8 14.Qe4 14.Bd3 a5 15.Nc5 has brought White practical success, but no one has yet reacted with the simple dxc5!? 16.d6 Ra7 17.dxe7 Qxe7∞ 14...a5 15.Bd3 f5 16.gxf5 Bxf5 17.Qg2 Bxd3 18.Rxd3 Nd7 19.Nd2 Nf6 20.Kb1 Rc8 21.h4 Qd7 22.Rg1 Rf7 23.Bg5 Nh5 /=/+, Volokitin,A (2702)-Wojtaszek,R (2700) Loo 2013 Black had typical counterplay. Wojtaszek was also definitely aware of 9.f4 exf4 10.Bxf4 Nc6 11.Qe2 Nd7 12.0-0-0 Nce5 13.Kb1 0-0 14.g4 Rc8 15.Qe3 Re8 16.Nd4 Qa5 17.a3 Bf8 18.Nf5 Nb6 19.Qd4 Nec4 20.Bxc4 Nxc4 21.Nxd6 Nxa3+! 22.bxa3 Rxc3 23.Qb4 Qxb4+ 24.axb4 Bxd6 25.Bxd6 Rec8 Navara,D (2751)-So,W (2778) Prague 2015 9...d5 Strong and pretty natural - Black meets the flank attack with a central counter. 10.exd5 Nxd5 11.Bg2 ≤11.Nxd5?! Bxd5 12.Rg1 Nc6∞ /=/+ The extra moves g4 and Be7 change the evaluation in comparison with the early 8...d5?! line 11...Nxe3 11...Nxc3 12.Qxd8+ Bxd8 12...Kxd8? 13.Bxb7 Bd5 14.Bxd5 Nxd5 15.0-0-0+- 13.bxc3 12.Qxd8+ Bxd8 Still logical, but for the first time Black spent some time choosing the way to recapture. ≤12...Kxd8 13.fxe3 Kc7 14.Nd5+ or 14.Bd5!? is pleasant for White. 13.fxe3 Bh4+ 13...Nc6 14.Nc5 Bh4+ is not just a transposition, here White has 15.Ke2!? Bc4+ 16.Nd3 /\b3+/= 14.Kf1 14.Ke2 Bc4+ 15.Kd2 Nc6 16.Bxc6+ bxc6 17.Na5 Be6 17...Bd5= /\ 18.e4 Bd8 18.Nxc6 f6 19.Nb4 0-0-0+ 19...h5!? 20.Ke2 Bc4+ 21.Nd3 e4 22.Nxe4 Bd5 23.Nec5 Bxh1 24.Rxh1 Rd6 25.b4 Re8 26.Kf3 Rc6 27.a4 Bg5 28.e4 /+/-, Vavulin,M (2390)-Gordievsky,D (2444) Moscow 2014 14...Nc6 15.Nc5 Bc4+!N A novelty, but a very logical one and it was still part of David's preparation. It's certainly a more forcing and convincing way to equality, than 15...0-0 16.Bxc6 16.Be4 Rad8 17.Ke2 Bc4+ 18.Bd3 Bxd3+ 19.cxd3 Be7 20.N3e4 Bxc5 21.Nxc5 Rd5 22.Rac1 Rb8 23.Rhd1 Kf8 24.Rd2 Rd6 25.a3 ½, Paveto,K (2302)-Real de Azua,E (2465) Buenos Aires 2012 16...bxc6 17.Rd1 Bc8 18.e4 Rd8 18...Ra7!? 18...Be7 19.Nd7 Re8 20.Nb6 Rb8= 19.Kg2 Kf8 20.Rxd8+ Bxd8 21.Rd1 Ke7 22.N3a4 g6 23.g5 Ra7 24.Nd3 Rd7 25.Nac5 Rd6 26.Rf1 Ke8 27.h4 f6 28.gxf6 Bxf6 Aharon,O (2341)-Kuzubov,Y (2663) Baku 2014 15...0-0-0? 16.Nxe6 fxe6 17.Ke2 Nb4 18.Rhf1± 16.Kg1 0-0-0 ≤16...Bg5 17.Re1 Bh4 18.Rd1! Bg5 19.Bxc6+!? 19.Kf2 Bh4+ 20.Kf3 e4+∞ 19...bxc6 20.Kf2 17.b3 Bg5 18.Re1 Bh4 19.Rb1! We will yet see how the rook will be useful for White on this "mysterious" square. Bg5 20.Kf2 Bh4+ 20...Rd2+ 21.Kg3 Rxc2 22.Bxc6 bxc6 23.bxc4 Rxc3 24.Nxa6 Rxe3+ 25.Kf2 Ra3 25...Kd7 26.Rhd1+ Ke6 27.Nc5+ Kf6 28.Rd6+ Ke7 29.Rd7+ Kf6 30.Rbb7± 26.Rb8+ Kd7 27.Rxh8 Rxa2+ 28.Kf3 Rxa6 29.Rxh7 or 29.Ke4!? is the first line, showing the merits of 19.Rb1! 21.Kf3!?       Embarks on an exceptionally complex tactical sequence. 21.Kg1 Bg5 22.Kf2 Bh4+= seems to be the logical and forced outcome, but this is not what David had in mind. For the time being White spurns a draw, Radek had a really long think now. 21...e4+! The best reaction, other moves are concessions: 21...Rd2?! 22.N5e4 Bd5 23.Nxd5 Rxd5 24.Ke2 21...Bd5+ 22.Nxd5 Rxd5 23.Ne4= /+/= is again more pleasant for White. White's bishop is more active than its counterpart, also his << majority is more mobile, than Black's pawns on the opposite flank. Also apart from the ^- there are other pieces on the board. 22.Kf4? This move deserves certainly more signs than one, but instead of something like "?!!?" I will just stick with the objective evaluation. White's king didn't enter the fray to immediately finish the game with a perpetual after 22.N5xe4 Ne5+ 23.Kf4 Ng6+= , but now Black has a way to punish his opponent's audacity. Out of fairness, one must say that it's extremely well hidden and even navigating tha right course with an engine is far from simple. 22...g5+ Black weakens his pawns, cut off his bishop, but with this strong concrete move he is still on the right track. Alternatives are complex, but less promising: 22...Rd2 23.N3xe4 23.bxc4 Rf2+ 24.Kxe4 Re8+ 25.Kd3 Ne5+ 26.Kd4 Rxg2 just barely holds after 27.N5e4! 23...f5!? 24.Nxd2 24.gxf5? g5+! 25.fxg6 Rf8+ 26.Kg4 Rxg2+ 27.Kxh4 hxg6 28.Ng3 Ne5-+ 24...g5+ 25.Kxf5 Rf8+ 26.Ke4 Re8+ 27.Kf5! [] 27.Kf3?? Nd4+ 28.exd4 Be2# 27...Rf8+= David analysed also 22...Rd6 23.N3xe4 g5+ 24.Kf5 A simpler way is Rd5+!? 24...Rg6 25.Nc3! 25.bxc4? Re8 25...Re8 26.Bxc6 Rxc6 27.bxc4 Rxc5+ 28.Nd5∞ Rxe3 28...Re6!? 29.Kf6∞ /= 25.Kf6 Rg8 26.bxc4 Rg6+ 27.Kxf7 Ne5+ 28.Ke8 Rd8+ 29.Ke7 Nc6+ 30.Kf7 Ne5+= with an immediate perpetual. 23.Kf5 23.Kxe4? Rd6 24.Kf5 Ne7+ 25.Ke4 Re8-+ 23...Rhe8 Continuing the attack is better than 23...Be6+ 24.Nxe6 fxe6+ 25.Kxe4 Rd2= 24.Rhd1! Practically forced to keep the tension. Black's task after other moves is relatively simpler: 24.bxc4? Rd6! 25.Nd3 25.Nd7 Ree6 25...Ree6 26.Rxb7 exd3! 27.Bxc6 Rxc6 28.Rxf7 Rxe3 29.Rxh7 29.cxd3 Rf3+-+ 24.N3xe4 Be6+! 25.Nxe6 25.Kf6 Rg8 26.Nxe6 Rg6+ 27.Kxf7 Ne5+ 28.Ke7 Rd7+ 29.Ke8 Rxe6+ 30.Kf8 Rf7+ 31.Kg8 Re8# 25...Rxe6 26.Nxg5 Re5+-+ 24.Bxe4 Ne7+! 24...Rd6 25.Bxc6 Rxc6 26.bxc4 Rxc5+ 27.Nd5∞ See also 22...Rd6 above. 25.Kf6 Rd6+ 26.Kg7 Rg8+ 27.Kxh7 Bg3! 28.Nxb7 28.Bxb7+ Kc7-+ 28...Rd7-+ 24...Re5+? Of course this evaluation is way too harsh, but remember we also gave 22.Kf4? only a question mark. On the other hand, definitely deserving 2 exclamation marks is 24...Bd3‼ , pointed out by Knaak. The main benefit of this move is it keeps the b-file closed! David didn't consider this move at home, however, Black must still make a number of difficult moves to wrap up the attack: 25.cxd3 Ne7+! 25...Rd6 26.d4 b6 27.N3a4! 27.N5a4 Kc7-+ 27...bxc5 28.Nxc5 and Black has no more than Rd5+ 29.Kf6 Rd6+= 25...Re5+ 26.Kf6 Rd6+ 27.Kg7 Re7 28.dxe4 f5+ 29.Kg8 Rg6+ 30.Kf8 Rf6+= 26.Kxe4 26.Kf6 Ng8+! 27.Kg7 27.Kf5 Rd6 27...Bg3‼ 27...f5 28.Nd5! [] Rxd5 29.Rbc1 29.dxe4 Rxc5 30.Rbc1 Rxc1 31.Rxc1+ Kd7 32.exf5 29...Re7+ 30.Kh8 Nh6 31.Nxa6+ Kd8 32.dxe4 Nf7+ 33.Kg7 Rd6 34.Kf8 Re8+ 35.Kxf7 Re7+= 28.Kxh7 28.d4 f5-+ 28...Ne7 29.Kg7 29.d4 Rh8+ 30.Kg7 Rdg8+ 31.Kf6 31.Kxf7 Rh7+ 32.Ke6 Rg6# 31...Kd8! 32.Nxb7+ Ke8-+ 29...Be5+ 30.Kxf7 Nc6 31.Kg6 31.Nd7 Re7+ 32.Kg6 Rexd7 33.d4 Ne7+ 34.Kf7 Rf8+! 35.Ke6 35.Kxf8 Ng6+ 36.Ke8 Re7# 35...Nc6 36.Nxe4 36.dxe5 Nd8# 36...Bc7 37.Nf6 Rd6+ 38.Kf5 Rdxf6+ 39.Ke4 39.Kxg5 Bd8-+ 39...Nb4 40.d5 Bb6-+ 31...Rf8! 32.Nd5 32.Kxg5 Ne7! 33.Bxe4 Rg8+ 34.Kh6 Rh8+ 35.Bh7 Rxh7+ 36.Kxh7 Rh8# 32...Rxd5 33.Ne6 Ne7+ 33...Rd6-+ 34.Kh5 Rh8+ 35.Kxg5 Rg8+ 36.Kh4 Bh2! 37.g5 37.Rbc1+ Kd7 38.Nc5+ Ke8-+ 37...Nf5+ 38.Kg4 Nxe3+ 39.Kh5 Nxg2 40.dxe4 Nf4+ 41.Kg4 Rxd1 42.Rxd1 Nxe6-+ 26...Nd5+ 27.Kf5 27.Kd4 Nxe3+ 28.Bd5 28.Nd5 Nxg2-+ 28...Bf2! 29.N5e4 Nxd1+ 30.Nxf2 Nxc3-+ 27...Nxe3+ 28.Kf6 Nxg2 29.Rbc1 29.d4 b6 30.N5e4 Re6+ 31.Kg7 31.Kxf7 Rc6! /\ 32.Rbc1 Rd7+ 33.Kf8 Rcc7-+ 31...Rg6+ 32.Kxh7 32.Kxf7 Rd7+ 33.Kf8 Nf4-+ 32...Nf4 33.Rf1 Rd7! 34.Rxf4 34.Kh8 Ne6-+ 34...gxf4 35.d5 f3 36.Rf1 f2 /\ 37.Nxf2 Rgd6-+ 29...Bf2 30.N5e4 Bd4+ 30...Be3 31.Kxf7 Rf8+ 32.Ke7 Rde8+ 33.Kd6 Kd8! 34.Kd5 Bxc3 35.Nxc3 Ne3+-+ 25.Kf6 Rg8!? A good move, but Black was approaching time-trouble fast. Here David's homework already finished, he concentrated on 25...Rxc5 26.Rxd8+ 26.Nxe4? Rcd5-+ 26.Na4 Rcd5 27.Nb6+ Kc7 28.Nxd5+ Bxd5 29.c4 Rd6+= /=/+ 26.bxc4 Rxc4 only transposes after the strongest 27.Rxd8+ 26...Nxd8 26...Kxd8?! 27.bxc4 Rxc4 28.Nd5! 27.bxc4 Rxc4 28.Rb3∞ or 28.Nd5 or 28.Nxe4 In these lines White has compensation for the pawn and a draw is a likely result - but his active king is already an asset, not a target! 26.bxc4 Rg6+ 27.Kxf7 Re7+ 28.Kf8 Rf6+?! An error, the attempt to force a perpetual finally turns the tables in White's favour (although we are in for still more excitement on the way). However, I repeat - it's easy to say this after the game with engines running overtime... 28...Reg7! , now the only way to avoid an immediate perpetual is 29.Ne6 Rg8+ 30.Kf7 Ne5+ 31.Ke7 Nc6+ 32.Kd6 Re8 33.Kc5 Rgxe6= White's king is still exposed, the bishop will reenter the game via g3 and a plausible finish is 34.Rd6 Rxd6 35.Kxd6 Bg3+ 36.Kc5 Bb8! 37.Nd5 37.Bxe4?! Re5+ 38.Bd5 Kc7 39.Na4 Ba7+ 40.Nb6 Rxe3 can be dangerous only for White 37...Ba7+ 38.Kd6 Bb8+ with a perpetual (after all!). 29.Kg8 Rg6+ 30.Kh8!       Inspired defence! The king hides in the corner and White can play for a win. 30.Kf8 Rf6+= 30...Rf6 The only way to continue the fight. 30...Bg3 31.Rd5 Be5+ 31...Rf6 32.Rf1+- 32.Rxe5 Nxe5 33.Rxb7!+- 30...Reg7 31.Rd7!+- 31.Rf1 31.Nd7?! Rff7 32.Kg8 Rg7+= 31...Bf2 32.Rxf2! Here David was also spending quite a lot of time, but he makes a correct decision. 32.Ne6 Navara gives the even more convincing Re8+! 32...Rexe6 33.Bxe4 Re7 34.Rxf2 Rxf2 35.Bf5+ beats off the mating threats, but after Kb8 36.Nd5 Re8+ 36...Rf7 37.Kg8! 37.Kxh7 Rh2 Black should be able to hold the endgame. 33.Kg7 Rg6+ 34.Kxh7 Rgxe6 /\ 35.Rxf2 R8e7+ 36.Kg8 Rg6+ 37.Kf8 Rh7 38.Bxe4 Rh8+ 39.Kf7 Ne5+ 40.Ke7 Rh7+ 41.Ke8 Rh8+= 42.Rf8?? Re6# 32...Rxf2 33.Rf1 Rxg2 Far more resilient was 33...Re8+! 34.Kxh7 Rxg2 35.N3xe4 35.N5xe4 34.Rf8+ Kc7 The best chance. After the passive 34...Nd8 David intended to play 35.Nd5 Re5 35...Rf7 36.Rg8+- 36.Na4!+- White regains the exchange and is practically winning. 35.Nd5+? Very natural, but this hasty check costs White a large part, if not all of his advantage. 35.N5xe4! and the threat is stronger, than its execution! (Nimzowitsch). White's forces coordinate excellently; a nice sample line is Kd7 36.Nf6+ Ke6 36...Kd6 37.Nce4+ Ke5 38.Nxg5 h6 39.Nf3+ Kd6 40.Nh4!+- 37.Ncd5 Rf7 38.Re8+ Kd6 38...Ne7 39.Ng8+- 39.Kg8± Even the harassed white king turns from prey to hunter! 39.Nxh7!? 35...Kd6 36.Nxe7 Kxc5 37.Rf5+ 37.Nf5!? Rxc2! David didn't like 37...Rh2 38.Kxh7 Ne5 , but White remains on top after 39.Kh6 Nf3 40.Rc8+ Kb4 41.c5 Rxh3+ 42.Kg6 38.Kxh7 Rxa2 39.Kg6 Kxc4 40.Kxg5 b5 41.h4 b4 42.h5 b3 43.h6 Rh2 44.Nh4 b2 45.h7 b1Q 46.h8Q Qb5+ 47.Rf5 Qb6 and in this complex endgame Komodo claims equality. However, I can hardly guarantee this line is forced... 37.Nxc6 bxc6 38.Kxh7 Rg3= is a rather simple draw. David chooses a different version of the rook endgame and manages to retain more tension in the position. 37...Kxc4 38.Nxc6 bxc6 39.Rxg5       Rg3 A simpler way is 39...Rxc2! 40.Kxh7 Kd3 40...Re2 should also hold: 41.h4 41.Rh5 Rxe3 42.g5 Rg3 43.g6 e3 44.h4 Kd4 45.Rg5 Rxg5 46.hxg5 e2 47.g7 e1Q 48.g8Q Qh4+ 49.Kg6 Qe4+= 41...Rxe3 42.Rg8 Rg3 43.g5 e3 44.Re8 Kd3 45.g6 e2 46.g7 c5 47.h5 c4 48.h6 c3 49.g8Q Rxg8 50.Kxg8 c2 51.h7 c1Q 52.h8Q e1Q= Kriebel 41.Rh5 41.Ra5 Kxe3 42.g5 Rh2= 41...Kxe3 42.g5 Rc5!? 42...Rg2 43.g6 Kd3 44.g7 e3 45.g8Q Rxg8 46.Kxg8 e2 47.Re5 c5 48.h4 c4 49.h5 c3 50.h6 c2= 43.Kh6 Kf2 44.g6 Rxh5+ 45.Kxh5 e3 46.g7 e2 47.g8Q e1Q= 40.h4 h6? This mistake exposes Black's pawns. He had to play 40...Rxe3 , after 41.Kxh7 Rg3 42.h5 e3 43.h6 Kc3 44.Kg6 e2 45.h7 e1Q 46.h8Q+ Kxc2 47.Rc5+ Kb1 48.Qb8+ Ka1= White doesn't have more, than a draw. 41.Rg6! Targetting the pawns is the right move. After 41.Rg8 Rxe3 42.Kh7 Rg3! 43.Kxh6 e3 44.h5 Kc3 45.g5 Kxc2 46.g6 e2 47.Re8 Kd2 48.Rxe2+ Kxe2 49.Kg7 c5 50.h6 c4 51.h7 Rh3= Black's counterplay comes just in time. 41...Rxe3 42.Kg7 Rg3 43.Kxh6 e3 44.Kg5? Exhaustion after a complex struggle takes its toll. 44.g5! was winning: Rg4 45.h5 Re4 46.Rxc6+ Kd5 46...Kb5 47.Rc8 47.Rb6 e2 48.Rb1 e1Q 49.Rxe1 Rxe1 50.g6 Ke6 51.Kh7! 51.g7? Kf7 52.Kh7 Re8= 51...Rg1 52.g7 Kf7 53.h6+- and the march of the Pc2 decides - this is why the 40th move was wrong and losing the Pc6 costs Black dearly. 44...Kd5? Repays the favour. He had to play 44...Kc3! 45.Rxc6+ 45.h5 e2 46.Re6 46.Rxc6+?? Kd4 47.Re6 Re3 46...Kd2 47.h6 e1Q 48.Rxe1 Kxe1 49.h7 Rh3 50.Kg6 Ke2 51.Kg7 Kf3 52.g5 Kg4 53.h8Q Rxh8 54.Kxh8 Kxg5 55.Kg7 Kf5 56.Kf7 Ke5 57.Ke7= 45...Kd2 46.Re6 e2 47.Kf4 Rh3 48.h5 e1Q 49.Rxe1 Kxe1 50.c4 Kf2 Here Black holds, as the pawns didn't get as far, as in the previous note. Kriebel's analysis continues with 51.c5 Rc3 52.g5 Rxc5 53.h6 Rc4+ 54.Kf5 Rh4 55.Kg6 55.g6 Rh5+! 55...Kf3 56.h7 Kf4= 45.Kf4?! 45.Rg8! Rg2 45...Ke4 46.h5 e2 47.h6! 47.Re8+ Kf3 48.Rxe2 Rxg4+ 49.Kf5 Rh4= 47...Re3 48.h7 e1Q 49.h8Q+- Kavalek 46.Kf4 Rxc2 47.Rd8+!? 47.Kxe3 Rxa2 48.h5 is similar 47...Ke6 47...Kc4 48.Kxe3+- 48.Re8+ Kf7 49.Rxe3 Rxa2 50.h5+- should win - White's passed pawns are connected, more advanced and supported by both pieces. 45...Rh3? The final error shows that the game cost Black a lot more energy than White. 45...e2! 46.c4+ 46.Rg5+? Kd4 47.Re5 Rxg4+!-+ 46...Kxc4 47.Re6 47.Rxc6+ Kd5! 48.Rc1 Ra3 also saves Black, as his king can't be cut off: 49.h5 49.Kf5? Rf3+ is what David overlooked from afar. 49...Ke6 50.Re1 Rxa2 51.Kf3 Ra3+! 52.Kxe2 Kf6= is a theoretical draw even without the Pa6. 47...Rh3 48.Rxe2 Rxh4 49.Rc2+ Kd5 50.Kf5 Kd6 51.g5 Rh1 is close, but Black should hold. 46.h5 c5 46...e2 is hopeless: 47.Rg5+ Kd4 48.Re5 Rh2 49.Re8 Kc3 50.Kg3+- and the passed pawn falls. 47.Rg5+ Kd4 48.Re5 48.Re5 Rh2 49.Rxe3 Rxc2 and here the simplest is 50.Rh3 and White promotes with check. 1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Navara,D2724Wojtaszek,R27331–02015B90Biel GM 48th4

An entertaining and exciting 56th International Chess Festival in Biel/Bienne to all chess lovers!

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Eduard Frey was born in spring 1967, is an economist (lic. et mag. rer, pol.) and works as a coach in human resources. He learned the game as a child from his father. Chess is a hobby without rating. He has been a frequent visitor to the Biel Chess Festival since 1976, as well as to Lucerne (1982 Olympiad, and the 1985, 1989, 1993, 1997 World Team Championships), and to the international tournaments in Zurich or the Lugano Open series. Frey spoke with many top players; he knew Viktor Korchnoi, Wolfgang Uhlmann and Mark Taimanov more closely.

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