A Treasure Trove of Ideas: the Corr Database 2018

by André Schulz
10/5/2017 – Correspondence chess is a special form of "decelerated" chess. Alekhine, Keres, Euwe and many other top players liked to play correspondence chess and honed their skills with it. But, a lot of players disregard or ignore the pleasures and discoveries others find correspondence chess has to offer. The new "Corr Database 2018" is the biggest collection of correspondence games around, and a treasure trove of fantastic games and surprising opening ideas.

Corr Database 2018 is an extensive collection of correspondence games, featuring classical correspondence games played by mail as well as email games.

Opening the treasure trove

Today the internet makes it easy to play chess with people who are thousands of miles away. Before the rise of the internet people exchanged letters and postcards to play chess against people from other cities or continents — a form of chess that is slower than today's internet chess but had its charms. 

1804: The first Correspondence Games

Legend has it that the Eastern Roman Emperor Nikephoros I [the first] and the caliph Harun-al-Rashid played correspondence chess against each other. However, as the two rulers and their people often went to war against each other this does not seem to be very likely.

Voltaire at chess tableMuch more plausible is the story that Voltaire and Frederick the Great played chess across great distances against each other.  Messengers helped to exchange moves between Paris and Potsdam. Katherine the Great is also said to have been one of Voltaire's correspondence chess partners. After all, one advantage of correspondence chess is that you can play a number of games simultaneously.

In chess a move does not require an immediate reaction. In a game without time control it does not matter how fast you reply to your opponent's move - crucial is the strength and depth of your reply.

The first correspondence games of which the moves survived were played by Friedrich Wilhelm von Mauvillon, a Prussian officer. He played these games in 1804, when he was stationed in The Hague, against a chess friend who lived in Breda. Von Mauvillon later published three of these games in his Anweisung zur Erlernung des Schachspiels ("Instruction to Learning the Game of Chess"), published in Essen in 1827.

Above: "Voltaire at chess table" | ArtHermitage.org

Below: Instruction for learning the chess game, 1827

The official history of correspondence chess had begun and these three games are also the first entries in the Corr Database 2018, which contains more than 1.4 million correspondence games played from 1804 to 2017.

In the middle of the 19th century, city matches became popular — and not only between the big European cities. In these prestigious matches the best players fought for the honour of their city and discussed at length which move to play. Usually, this move was then published by the local press — an early form of "live transmission". The newspaper readers could follow, analyse and discuss the games. These matches helped to popularise chess. The first chess clubs were founded, the first chess magazines appeared.

The French and the Scotch are invented

From 1834 to 1836 London and Paris played such a city match. At that time chess games were usually opened with the moves 1.e4 e5. Now London played 1.e4 and Paris replied 1...e6. Voilá, the "French Defense" was born! The move 1...e6 was a proposition by Pierre de Saint-Amant but at that time already quite popular in French chess circles.

The "Scotch Game" got its name after a match between London and Edinburgh in 1824. Though the English players were the first to try the unusual 3.d4 (after 1.e4 e5 2.Nf3 Nc6, a proposal by J. Cochrane), the Scottish players were the first who played a game with that line.

Put a stamp on it

The improvement of the postal system considerably helped to popularise correspondence chess. Not everyone had the means of Frederick the Great who could afford messengers to send his moves to a chessfriend. In 1840 Sir Rowland Hill developed the form of the postage stamp that is still used today. Previously, the receiver had to renumerate a messenger, now people could use an affordable "prepaid" system in which the sender paid for shipping. The first stamp was the British "One Penny" with Queen Victoria as subject. Today stamp collectors pay high sums for these stamps if they are in a good condition.

The "One Penny" from 1840

Gradually more or less binding rules for correspondence chess emerged. In 1870 the first pure correspondence chess club was founded in England, the "Caissa Correspondence Club", and in 1884 the French chess magazine La Strategie organised the first international correspondence chess tournament. In some countries the first national correspondence chess federations were founded.

Foundation of the International Correspondence Chess Federations

In 1928 the Internationale Fernschachbund (International Correspondence Chess Association) was founded in Berlin under the direction of Erich Otto Freienhagen. The correspondence chess magazine of the IFSB was distributed in 60 countries and the world's most popular correspondence chess magazine. However, in 1939, a short time before the outbreak of Word War II, the IFSB stopped its activities. Its successor was the International Correspondence Chess Association (ICCF), founded in 1951.

The first World Championship of Correspondence Chess began in 1950 and ended 1953. It was won by the Australian Cecil Purdy, the first World Champion of Correspondence Chess. By the way, the world of chess players is not divided into correspondence players and over-the-board players. Alexander Alekhine, Max Euwe or Paul Keres were enthusistic correspondence players and developed their skills by playing and analysing dozens of correspondence games.

Strong players who played correspondence chess and over-the-board chess, ranked according to Elo | Source: Corr Database

The Corr Database 2018 contains 104 correspondence games by Paul Keres, 87 correspondence games by Alexander Alekhine, and 24 correspondence games by Max Euwe. Other well-known OTB-players also liked to play correspondence chess, e.g. Lothar Schmid, Ulf Andersson or Krishnan Sasikiran. Sasikiran also annotated one of his games for the Corr Database which contains about 5000 games with annotations by renowned players — one of them is Alekhine.

Partial list of annotators

But of course correspondence chess has its own heroes, not least the World Champions of Correspondence Chess who actually outnumber the World Champions of over-the-board play. Up to now 28 World Championships of Correspondence Chess have been played and these tournaments have led to 26 World Champions of Correspondence Chess. Only three players won two World Championships: Töno Öim (1982 und 1999), Joop van Oosteroom, who died last year, (2005 and 2007), and Alexander Dronow (2010 and 2014).

And one game is a must for every collection of correspondence games:

 
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1.e4       Myers Harding Burgess Russell Soltis Berliner e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 b5!? 6.Bf1! Nd4 7.c3 Nxd5 8.Ne4 Qh4 9.Ng3 Bg4 10.f3 e4!N Berliner's innovation and the subject of dozens of investigations since it was first played by correspondence in 1965. 10...Nf5 11.Bxb5+ Kd8 12.0-0 Nxg3 12...Bc5+ 13.d4 exd4 14.Ne4+- 13.hxg3 Qxg3 14.fxg4 e4 15.Qe1 Bc5+ 16.d4 exd3+ 17.Kh1 Qxg4 18.Rf3 c6 19.Bxc6 Kc7 20.Bxd5 Rae8 21.Qf1 Qh4+ 22.Rh3 Re1 23.Bf4+ Bd6 24.Nd2 Rxf1+ 25.Rxf1 Qe7 26.Bxd6+ Qxd6 27.Rxf7+ Kb8 28.Rxd3 Re8 29.Be4 Qe6 30.Rb7+ Kc8 31.Kg1 Qg4 32.Rb4 Qe2 33.Bf5+ Kc7 34.Nf1 Rf8 35.Rd7+ Kc6 36.Rd2 Qe5 37.Be4+ Kc7 38.Bf3 Qc5+ 39.Rdd4 Qg5 40.Rb7+ Kc8 41.Rc4+ Kd8 42.Rb8+ Ke7 43.Re4+ Kd7 44.Rxf8 Qc5+ 45.Rd4+ 1-0 Pilgaard,K-Lejarre,L/Cappelle la Grande FRA 2003/ 10...Bd7 11.cxd4 Bd6 12.Qe2 0-0 13.Qf2 exd4 14.Ne4 Qe7 15.Qxd4 15.d3 f5 16.Qxd4 Nb4 17.Na3 fxe4 18.dxe4 Bc5 19.Qc3 Rad8 20.Bd2 Nd5 21.Qc2 Kh8 22.Nxb5 Ne3 23.Bxe3 Bxe3 24.Nc3 Qh4+ 25.g3 Qh5 26.Be2 Bh3 27.f4 Qc5 28.Bf1 Bd2+ 29.Kd1 Bxc3+ 30.Kc1 Qe3+ 0-1 Tomcik,M-Ptacnik,S/Tatranska Lomnica SVK 1997/ 15...Nb4 16.Kd1 Rfe8 17.a3 Nc6 18.Qc3 Be5 19.Qc5 Qe6 20.Nbc3 Qb3+ 21.Ke1 Nd4 22.Kf2 Qe6 23.Qd5 Nc2 24.Qxe6 Bd4+ 25.Ke2 Bxe6 26.Rb1 f5 27.b3 fxe4 28.Kd1 Bxc3 29.Kxc2 Bd4 30.fxe4 a6 31.Bb2 Rad8 32.Bxd4 Rxd4 33.d3 c5 34.Be2 Red8 35.Rbc1 Kf7 36.Kb2 Rc8 37.Rc3 c4 38.dxc4 bxc4 39.Rhc1 cxb3 40.Rxc8 Bxc8 41.Bh5+ g6 42.Bxg6+ hxg6 43.Rxc8 Rd2+ 44.Kxb3 Rxg2 45.Rc2 Rg4 46.Re2 Rg5 47.a4 Re5 48.Kc4 Ke6 49.Kd4 1/2-1/2 Szalai,M-Epiney,F/corr IECG email 2002/ 11.cxd4 Bd6 11...exf3? 12.Bxb5+ Kd8 13.Qb3 Nf4 14.gxf3 Be6 15.Bc4 Bd6 16.Kd1 Qh3 17.Bxe6 fxe6 18.Nc3 h5 19.Nce4 h4 20.Ne2 Nxe2 21.Kxe2 Qg2+ 22.Nf2 Rf8 23.Qb7 Rc8 24.Qc6 Rb8 25.d3 Rb5 26.Qe4 Bf4 27.b3 Rbf5 28.Rf1 Bxc1 29.Raxc1 Qxh2 30.Rh1 Qd6 31.Rxh4 Rxf3 32.Qxf3 Rxf3 33.Kxf3 Qf8+ 34.Rf4 Qa3 35.Rc2 Qa5 36.Rg4 Qf5+ 37.Ke3 Qf8 38.Rg5 Qf6 39.Rgc5 Qh6+ 40.Ke2 Qf4 41.Rxc7 Qxd4 42.Ne4 1-0 Beniest,R-Pecot,L/corr ICCF 1995/ 12.Bxb5+! 12.Qe2!? 0-0 12...0-0-0 13.fxg4 Bxg3+ 14.Kd1 c6 15.Qxe4 Rhe8 16.Qf5+ Kb8 17.Be2 Nf4 18.Bf3 g6 19.Qc2 Re6 20.d3 Rxd4 21.Bxf4+ Bxf4 22.g3 Qd8 23.Be2 Rxe2 24.Kxe2 Qe7+ 25.Kf1 1-0 Muir,W-Jacobs,R/corr USA 1991/ 12...Be6 13.Qf2 Nb4 14.Bxb5+ c6 15.Nxe4 Qxf2+ 16.Kxf2 cxb5 17.Nxd6+ Kd7 18.Nxb5 Nc2 19.d5 Bf5 20.N1a3 Nxa1 21.Nd4 Bd3 22.Ke3 Bg6 23.d3 Rhe8+ 24.Kf2 Re5 25.Be3 Rae8 26.Nc4 Rxd5 27.Rxa1 Bxd3 28.Na3 1-0 Canizares Cuadra,P-Jimenez,J/corr IECG 2007/ 13.fxg4 13.Qf2 exf3 14.gxf3 Nb4 15.fxg4 Nc2+ 16.Kd1 Nxa1 17.Bxb5 Qxg4+ 18.Qe2 Qxd4 19.Nc3 Rab8 20.Qe4 Qc5 21.Bd3 g5 22.Nd5 Bxg3 23.hxg3 Nb3 24.axb3 Rxb3 25.Qe5 1-0 Vokralova,S-Weissleder,W/corr ICCF 1969/ 13...Bxg3+ 13...Nb4 14.Kd1 Bxg3 15.hxg3 Qxh1 16.Nc3 f5 17.a3 Nd3 18.Kc2 b4 19.Nd5 b3+ 20.Kxb3 fxg4 21.Ne3 Rf2 22.Qxg4 Rxf1 23.Nxf1 Qxf1 24.Qxe4 Nxc1+ 25.Kc2 Qc4+ 26.Kd1 Rf8 27.d3 Nxd3 28.Kd2 Nc5 0-1 Timman,J-Arikok,E/Zuerich sim 1988/ 14.Kd1 Nf6 14...c6 15.Nc3 Rfe8 16.Nxd5 cxd5 17.Qe3 Bd6 18.Bxb5 Rec8 19.Be2 Qe7 20.d3 Rab8 21.dxe4 dxe4 22.b3 Qe6 23.h3 Rc7 24.Bc4 Qe8 25.Ke2 Kh8 26.Rf1 f6 27.Kf2 Qg6 28.Bd2 1-0 Douglas,S-Kostanjsek,Z/corr ICCF 2010/ 15.Qe3 15.g5 Ng4 16.Kc2 Nxh2 17.Nc3 Qxg5 18.Qxe4 b4 19.Bd3 g6 20.Qd5 Qxd5 21.Nxd5 Ng4 22.Nxb4 Nf2 23.Rf1 Rfd8 24.Bc4 Rxd4 25.d3 Re8 26.Bd2 c5 27.Nc6 Rd6 28.Nxa7 Rb6 29.Nb5 Reb8 30.a4 Rf6 31.a5 Ra8 32.Bc3 Rf5 33.a6 Ng4 34.Rxf5 Ne3+ 35.Kb3 gxf5 36.a7 Kf8 37.Bd2 Nxc4 38.Kxc4 Be5 39.Be3 Bxb2 40.Nc7 1-0 Szafranski,T-Koff,F/corr 1995/ 15.Nc3 Nxg4 16.Nxe4 Rae8 17.Kc2 Nxh2 18.d3 h6 19.Bd2 f5 20.Nxg3 Qxg3 21.Qd1 Ng4 22.Qf3 Qd6 23.Rh5 Rf7 24.Rc1 Rd8 25.Re1 g6 26.Rh3 h5 27.Bg5 Qb4 28.Re6 Rd6 29.d5 Kh7 30.Be2 Qc5+ 31.Kb1 Rxd5 32.Bd1 Rfd7 33.Rxh5+ 1-0 Hansson,C-Nilsson,N/corr SSKK 1999/ 15...Nxg4 15...Bd6 16.g3 Qxg4+ 17.Be2 Qg6 18.Bxb5 Ng4 19.Qe2 f5 20.Bc6 Rad8 21.Nc3 Qh5 22.Kc2 Bxg3 23.b3 Rxd4 24.Bd5+ Kh8 25.Ba3 Bf4 26.h3 Rxd2+ 27.Qxd2 Bxd2 28.hxg4 Qg5 29.Bxf8 Muir,W-Nyman,S/corr ICCF 1972/ Bxc3 30.Kxc3 Qf6+ 31.Kc2 Qxf8 32.gxf5 Qc5+ 33.Bc4 Qf2+ 34.Kc3 Qxf5 35.Raf1 Qa5+ 36.Kb2 h6 37.Rd1+- Myers 16.Qxg3 Qxg3 17.hxg3 Nf2+ 18.Ke1 Nxh1 19.Bxb5 Nxg3 20.Nc3 f5 21.b3 f4 22.Ba3 Rf6 23.Kf2 c6 24.Bc4+ Kh8 25.Re1 Re8 26.Bc5 h5 27.d5 cxd5 28.Bxd5 Rf5 29.Bxa7 Rd8 30.Rxe4 Rdxd5 31.Re8+ Kh7 32.d4 Rd6 33.Bc5 Rg6 34.Re5 f3 35.Rxf5 Nxf5 36.Kxf3 Rg3+ 37.Kf4 g6 38.Ne4 Rxg2 39.d5 h4 40.d6 Nxd6 41.Bxd6 Rxa2 42.Kg4 Kg7 43.Kxh4 Kf7 1/2-1/2 Muir,W-Svensson,E/corr FIN 1971/ 12...Kd8 13.0-0 13.fxg4?! Bxg3+ 14.hxg3 Qxh1+ 15.Bf1 Nb4 16.Nc3?? 16.d3! Harding Nxd3+ 17.Kd2 Qh6+ 18.Kc2 Nb4+ 19.Kb3 Qb6! 20.a3 Myers 16...Nd3+ 16...Re8 17.a3 Nd3+ 18.Ke2 Qg1 19.Nxe4 Qxd4 20.Qb3 Qxe4+ 21.Kd1 Nf2# 0-1 Schwarz,H-Wieland,S/corr DDR 1973/ 17.Ke2 Qg1 18.Nxe4 Qxd4 19.Kf3 Ne5+ 20.Kf4 g5+ 20...h6!? 21.g5 hxg5+ 22.Kf5 g6+ 23.Kf6 Nd7+ 24.Kxf7 Qxe4-+ Myers 21.Kxg5 Qxe4 22.d4 h5 23.Qe2 f6+ 24.Kxf6 Qg6+ 25.Kxe5 Re8+ 26.Kd5 Qd6+ 0-1 Peelen,P-Jacobs,B/London ENG 1985/ 13.Qb3!? Harding: In my view, 13 Qb3 is the most critical line of the Berliner variation at present [2002], and could even turn out in the end to be a bust to the whole idea. Bxg3+ 13...Nf6 14.fxg4 Rb8 15.Kd1 a6 16.Nf5 Qxg4+ 17.Be2 Qxg2 18.Qxb8+ Kd7 19.Qxh8 Qxh1+ 20.Kc2 Nd5 21.Nc3 Nb4+ 22.Kb3 e3 23.Nxd6 cxd6 24.Bg4+ Ke7 25.Kxb4 1-0 Andrejic,V-Vujic,M/Obrenovac SCG 2004/ 13...Nb4 14.fxg4 Bxg3+ 15.Qxg3 Qxg3+ 16.hxg3 Nc2+ 17.Kd1 Nxa1 18.b3 Rb8 19.Nc3 a6 20.Bc4 Rb6 21.Bb2 Rg6 22.Be2 h5 23.Bxa1 Rhh6 24.gxh5 f5 25.g4 fxg4 26.Nxe4 Rh8 27.Rh4 Re6 28.d3 Reh6 29.Bxg4 g6 30.d5 Rf8 31.Bf6+ Ke8 32.hxg6 Rxh4 33.Bxh4 Rf4 34.Bg3 Rf1+ 35.Ke2 Ra1 36.a4 Ra2+ 37.Nd2 Kf8 38.Bxc7 Rc2 39.d6 Ke8 40.d7+ 1-0 Nordstrom,G-Lindeman,S/Sweden SWE 2005/ 14.Kd1 Be6 15.Bc6 exf3! 16.Bxd5 16.Bxa8?? fxg2 17.Rg1 Qg4+-+ Burgess 16.gxf3 Ne7! Berliner 17.d5! Nxc6 18.dxe6 Ke7 19.Qd5 Ne5 20.Kc2! Bf4 21.Qc5+ Ke8 22.exf7+ Kxf7 23.Qd5+ Kf6 24.d4 Qf2+ 25.Nd2 Nf7 26.Kc3 Qe3+ 27.Kb4 a5+ 28.Ka4 Qe8+ 29.Ka3 Qe7+ 30.Qc5 Qxc5+ 31.dxc5 Rhd8= Myers 16...fxg2 17.Qxg3 Qxg3 17...gxh1Q+ 18.Bxh1 Qxg3 19.hxg3 Rb8 20.d3 h5 21.Kc2 f6 22.d5 Bg4 23.Be3 h4 24.gxh4 Rxh4 25.Nd2 Kd7 26.Be4 f5 27.Bg2 Rh2 28.Rg1 Rg8 29.Kc3 g5 30.Nc4 Be2 31.Ne5+ Kc8 32.Bxa7 f4 33.Be4 g4 34.Bd4 Rh5 35.Ng6 Rxg6 36.Bxg6 Rg5 37.Be4 g3 38.Bf6 Rh5 39.Bd4 Rg5 40.Kd2 f3 41.Ke3 f2 42.Kxe2 fxg1N+ 43.Bxg1 Kd7 44.Kf1 Kd6 45.Be3 Rg4 46.Kg2 Ke5 47.Kf3 Rg7 48.Bf4+ Kd4 49.Bxg3 c5 50.dxc6 1-0 Pilgaard,K-Pedersen,N/Greve DEN 2002/ 17...Qh5+ 18.Kc2 gxh1Q 19.Bxh1 Bd5 20.Bxd5 Qxd5 21.Qxg7 Re8 22.Nc3 Qf5+ 23.d3 Rb8 24.Qg5+ Qxg5 25.Bxg5+ Kd7 26.Rf1 Rg8 27.Rxf7+ Ke6 28.Rf6+ Kd7 29.h4 Rgf8 30.Ne4 Rg8 31.Ra6 1-0 Van De Wynkele,E-Jimenez Martin,G/ Vlissingen NED 2006/ 18.hxg3 Bxd5 19.Rg1 Re8! 20.Nc3 Bf3+ 21.Kc2 Rb8 22.d3 Rb4 22...Rb6 Berliner 23.Bf4 f6 24.Ne4 g5 25.Be3 h5 26.d5 Rb5? 27.Bxa7? Rxd5? 28.Nd2 g4 29.Nc4 Re2+? 30.Kc3 h4 31.gxh4 f5? 32.Be3 1-0 Chuprys,V-Zrinski,S/corr CFC 2003/ 22...h5!? Harding 23.Bd2 f5 24.Rac1 a5 25.a3 Kd7 26.Kb1± Myers 23.Ne4! h6 24.Bd2! Rb6 25.Rae1 f5 26.Nc3 Rxe1 27.Bxe1 g5 28.d5 Rg6 29.Bf2 h5 30.Kd2 f4 31.gxf4 h4 32.d6 h3 33.dxc7+ Kxc7 34.Bg3 gxf4 35.Bxf4+ Kd7 36.Ke3 Rf6 37.Bh2 Bg4 38.b4 Rf3+ 39.Ke4 Rf2 40.a4 Rf1 41.b5 Bf5+ 42.Ke3 Bg4 43.Ne4 Rf3+ 44.Kd4 Rf1 45.a5 Kc8 46.Nd2 Be2 47.a6 Rxg1 48.Bxg1 Kb8 49.Ne4 Bg4 50.Kc5 Bf5 51.Kc6 Bg6 52.b6 Be8+ 53.Kc5 axb6+ 54.Kxb6 Bg6 55.a7+ Ka8 56.Nc5 1-0 Yvinec, J-Good,G/corr ICCF 2004/ 13.Kf2!? exf3 14.gxf3 Bh3?! 14...Bxg3+?? 15.hxg3 Qf6 16.Kg2 Bf5 17.Nc3 Nb6 18.d5 Qd4 19.Rh4 Qc5 20.d4 Qe7 21.Bd2 g5 22.Rh6 Bg6 23.Qe1 Qb4 24.Qe5 Qxb2 25.Qxh8+ Ke7 26.Re1+ Kd6 27.Qe5# 1-0 Sukhareva,O-Gorbachuk,E/Kazan RUS 2003/ 14...Bd7! 15.Bxd7 Qxd4+ 16.Ke1 Kxd7 17.Nc3 Rae8+ Berliner 18.Nce4 Bxg3+ 19.hxg3 f5 20.d3 Kc8 21.Qe2 fxe4 22.dxe4 Nc3 23.Qa6+ Kb8 24.bxc3 Qxc3+ 25.Kf2 Qxa1 26.Kg2= Myers 15.Qa4 15.Qg1 Rb8 16.a4?? Rxb5! 17.axb5?? Re8! 18.Ra4?? Nf4! 19.Qd1 Nd3+ 20.Kg1 Bxg3 0-1 Snijders,F-Van de Wynkele,E/Vlissingen NED 2002/ 15.Qe2 f5 16.Nc3 f4 17.Nce4 Rb8 18.Bc6 Ne7 19.Nxd6 cxd6 20.d5 Nf5 21.Ke1 fxg3 22.hxg3 Nxg3 23.Qf2 Qe7+ 24.Kd1 Nxh1 25.Qh2 Bf5 26.Qxh1 Bd3 27.Qh2 Rf8 0-1 Reznicek,T-Biolek,R/CZE 2005/ 15...Nb4 16.d3 Qxd4+ 17.Be3 Nxd3+ 18.Ke2 Qxb2+ 19.Kxd3 Bxg3 20.Qd4+ Qxd4+ 21.Bxd4 Bd6 22.Bxg7 Rg8 23.Bf6+ Be7 24.Bxe7+ Kxe7 25.Nc3 Rg2 26.Rae1+ Kd6 27.Ne4+ Kd5 28.Rc1 Rd8 29.Ke3 1-0 Hynes,A-Coates,K/Birmingham ENG 2000/ 13...exf3 14.Rxf3! 14.Qb3!? Nb4!? 14...Nf4? 15.Rxf3! Rb8 16.Rxf4 Rxb5 17.Qxb5 Bxf4 18.Qd5+ Bd7 19.Nf1 Bxh2+ 20.Nxh2 Qe1+ 21.Nf1 Qxc1 22.Qc5 Qe1 23.b3 Re8 24.Nc3 Qxa1 25.Nd5 Bc6 26.Qxc6 Qxd4+ 27.Nfe3 Qe5 28.Qa8+ Kd7 29.Qxa7 Re6 30.Qa4+ Kd8 31.Qa8+ Kd7 32.Qf8 Rh6 33.Qxf7+ Kc8 34.Ne7+ Kb8 35.N7f5 Qa1+ 36.Kf2 Rh1 37.Qf8+ Kb7 38.Qb4+ Kc8 39.Ne7+ Kd7 40.N7d5 Qe5 41.Qg4+ Kd8 42.d4 Qd6 43.Qxg7 Kc8 44.a4 Qh2 45.a5 Ra1 46.b4 Kb7 47.b5 1-0 Estrin,Y-Nielsen,J/corr ICCF 1972/ 14...fxg2 15.Qxd5!? gxf1Q+ 16.Bxf1 Rb8 17.d3 h6 18.Nc3 Re8 19.Qg2 f5 20.Nd5 Bh3 21.Qxh3 Qxd4+ 22.Ne3 Rxe3 23.Bxe3 Qxe3+ 24.Kh1 Myers 15.Rxf3 15.a3 Rb8 Berliner 16.Ba4! fxg2 17.Re1 Bxg3 18.Qxg3 Qxg3 19.hxg3 Nd3 20.Re4 Myers 15.Qxf7!? fxg2 16.Rf4 c6 17.Nc3 Bxf4 18.Qxf4 cxb5 19.Qd6+ Bd7 20.Qxb4 Re8 21.d3 Re1+ 22.Kxg2 Ke8 23.Bg5 Bc6+ 24.Nce4 Rxe4 25.dxe4 Qxg5 26.d5 Bd7 27.Rf1 Qe7 28.Qxe7+ Kxe7 29.e5 a5 30.Ne4 Rc8 31.Nd6 Rc2+ 32.Rf2 Rxf2+ 33.Kxf2 a4 34.a3 g5 35.Ke3 h6 36.Kd4 g4 37.Ne4 h5 38.Nf6 h4 39.d6+ Kf7 40.Nxd7 g3 41.hxg3 h3 42.Nc5 h2 43.e6+ Kf6 44.d7 Ke7 45.Nb7 h1Q 46.d8Q+ Kxe6 47.Nc5+ Kf7 48.Qd5+ 1-0 Blom,E-Epiney,F/corr IECG 2001/ 15...Bxf3 15...c6? 16.Re3 cxb5 17.Nc3 Bd7 18.a3 Nc6 19.Qxf7 a6 20.Re4 Qf6 21.Qxf6+ gxf6 22.d3 Bxg3 23.hxg3 Rg8 24.Nd5 Rxg3 25.Nxf6 Rxd3 26.Bg5 h6 27.Be3 Ne7 28.Bxh6 Nf5 29.Bg5 Nxd4 30.Nd5+ Kc8 31.Nb6+ 1-0 Westlund,M-Skulteti,A/corr ICCF 1998/ 15...Rb8 16.Na3 a6? 17.Qxf7 axb5 18.Qxg7 Re8 19.d3 Re1+ 20.Rf1 Rxf1+ 21.Nxf1 Kc8 22.Bg5 Qh5 23.Be7 Bxe7 24.Qxe7 Nxd3 25.Ne3 Be2 26.Qe6+ Kb7 27.Nf5 1-0 Lane,M-Oakes,B/corr BCCS 2003/ 16.Qxf3 Rb8 17.Na3 c6 18.Bc4 Re8 19.d3 Qxd4+ 20.Kf1 Qe5 21.Ne4 Qxh2 22.Bxf7 Re7 23.Rb1 Nxd3 24.Bg5 Ne5 25.Qe3 Qh1+ 26.Kf2 Rxb2+ 27.Rxb2 Ng4+ 28.Kf3 Nxe3 29.Nxd6 Qd1+ 30.Re2 Qf1+ 31.Rf2 Qd3 32.Bxe7+ Kxe7 33.Re2 Kxd6 34.Rxe3 Qf5+ 35.Kg3 Qxf7 36.Re2 g5 37.Rf2 Qe6 38.Rd2+ Kc7 0-1 Dawson,A-Humphrey,C/corr ICCF 2007/ 14.Qe1!? fxg2 14...Rb8 15.gxf3 Rxb5 16.fxg4 Re8 17.Qf2 Nf4 18.Qf3 Ne2+ 19.Kg2 Nxd4 20.Qa8+ Ke7 21.Qe4+ Ne6 22.Nc3 Re5 23.Qxe5 1-0 Doudon,M-Lassale/corr FRA 1985/ 15.Rxf7 Rb8 16.a4 16.Ba4 Nf4 17.Nc3 Nh3+ 18.Kxg2 Ng5 19.d3 Nxf7 20.Nce4 h6 21.Bc6 Ng5 22.Nxd6 cxd6 23.Qf2 Rc8 24.d5 Rc7 0-1 Gysi, A-Leisebein,P/corr GER 1998/ 16.Bc6!? Nb4! Burgess 17.Ba4! c6! 18.d3 Re8 19.Be3 Qh6 20.Bxh6 Rxe1+ 21.Kxg2 gxh6 Myers 16...Rxb5! 17.d3 17.axb5 Re8 18.Qf2 Bxg3 19.Qxg3 Qxg3 20.hxg3 Bh3-+ Burgess 17...Re8 18.Qf2 Bxg3 19.Qxg3 Re1+ 20.Kxg2 Bh3+ 21.Kf2 Rf1+ 22.Ke2 Qh5+ 0-1 Baer,H-Leisebein,P/corr GER 1998/ 14...Rb8! 14...Bxf3 15.Qxf3 Qxd4+ 16.Kh1 Rb8 17.Nc3 Qe5 17...Nxc3 18.dxc3 Qe5 19.a4 a6 20.Bxa6 h5 21.Be3 h4 22.Nf1 h3 23.g3 Rxb2 24.Bd4 Qe6 25.Bxg7 Rh5 26.Rd1 Rf5 27.Qa8+ Kd7 28.Bc8+ 1-0 Hartikainen,M-Auvinen,E/Espoo FIN 1994/ 18.d4 Qxd4 19.Qxf7 Ne7 20.Bg5 Qe5 21.Bxe7+ Qxe7 22.Qf5 g6 23.Qf2 Qe5 24.Re1 Qf4 25.Qxa7 Rc8 26.Ba6 Qh6 27.Bxc8 Kxc8 28.Qa8+ Kd7 29.Qxh8 Bxg3 30.Qe8+ Kd6 31.Rd1+ 1-0 Kallgren,M-Henriksen,B/Kecskemet HUN 1991/ 14...Nb4? 15.a3 Rb8 16.Nc3 Bxf3 17.Qxf3 Nc2 18.Ba4 Nxa1 19.Qxf7 Qxd4+ 20.Kh1 Bxg3 21.hxg3 Rb7 22.Bc6 Qd6 23.Bxb7 Qh6+ 24.Kg1 Qb6+ 25.d4 Qxb7 26.Nd5 Kc8 27.Bf4 Nc2 28.Bxc7 Nxd4 29.Ne7+ Kxc7 30.Qf4+ Kd7 31.Qxd4+ Kxe7 32.Qxg7+ Kd6 33.Qxb7 Rd8 34.Qxa7 1-0 Novacek,K-Jirka,J/Plzen CZE 1999/ 15.Be2? 15.a4!? a6! 15...Nf4 16.Nc3 a6 17.Bf1 f5 18.d3 g5 19.Qe1 Bxf3 20.gxf3 Nh5 21.Nce2 f4 22.Qa5 Rb5 23.axb5 fxg3 24.h3 g2 25.Bxg2 Ng3 26.Nxg3 Qxg3 27.bxa6 Kd7 28.Qf5+ Kc6 29.d5+ Kb6 30.Be3+ c5 31.d4 c4 32.Qd7 Rb8 33.Bf2 1-0 Houriez, A-Ribreau,H/Cannes FRA 1995/ 15...Bxg3 16.hxg3 Bxf3 17.Qxf3 Qxd4+ 18.Qf2 Qxf2+ 19.Kxf2 Rb6 20.Ra3 Nb4 21.d4 a6 22.Be2 Re8 23.Re3 Rxe3 24.Bxe3 Nc2 25.Nd2 Rxb2 26.Bxa6 Ra2 27.Bc4 Ra3 28.Bb3 Na1 29.Bxf7 Rxa4 30.Bg8 h6 31.Bh7 Ra2 32.Kf3 Nc2 33.Bxc2 Rxc2 34.g4 Rc3 35.Ke4 Ke7 36.Nf3 Rc2 37.g3 Rg2 38.Bf4 Rc2 39.Kd3 Rc6 40.d5 Rc5 41.Kd4 Rc2 42.Kd3 Rc5 43.Kd4 Rc2 44.Ne1 Re2 45.Nd3 Rc2 46.Nc5 g5 47.Bxc7 1-0 Jovcic,M-Batas,S/Svetozarevo YUG 1990/ 15...c6 16.Bxc6 Nb4 17.Bb5 Rxb5 18.axb5 Re8 19.Nc3 Nc2 20.Nce4 Rxe4 21.Nxe4 Bxf3 22.gxf3 Qxh2+ 23.Kf1 Qh1+ 24.Ke2 Nxd4+ 25.Kd3 Qxd1 26.Kxd4 Bc7 27.Nc3 Qxf3 28.Kc4 Bb6 29.d4 h5 30.Bd2 f6 31.d5 h4 0-1 Kriukova, N-Simonov,V/Odessa URS 1984/ 16.Bf1! 16.Bxa6 Re8 17.Nc3 Bxf3 18.Qxf3 Qxd4+ 19.Qf2 Re1+ 20.Bf1 Bc5 21.Qxd4 Bxd4+ 22.Kh1 Nb4 23.Nce2 Bf2 24.d4 Kc8 25.h4 Nd3 26.Kh2 Bxg3+ 27.Nxg3 Rxc1 28.Ra3 Nxb2 29.Rf3 f6 30.Nh5 Nxa4 31.Nxg7 Rb6 32.Bd3 h6 33.Nf5 Nb2 34.Be4 Nc4 0-1 Nordenbaek,J-Pedersen,D/ Aalborg DEN 1994/ 16...Re8 16...f5 17.Nc3 Nf6 18.d3 Re8 19.Qd2 Bxf3 20.gxf3 f4 21.Nge4 Nxe4 22.dxe4 g5 23.e5 Bb4 24.Qf2 Qh5 25.Ne4 Be7 26.Bc4 g4 27.Bxf4 gxf3 28.b3 Qg6+ 29.Ng3 1-0 Rasmussen,P-Nielsen,M/Ringsted DEN 1993/ 17.Nc3 Nb4 17...Bxf3 18.Qxf3 Qxd4+ 19.Qf2 Bc5 20.Nge4 Qxf2+ 21.Nxf2 Nf6 22.b4 Bd4 23.Bb2 Rxb4 24.Ba3 Rb6 25.a5 Rbe6 26.Bb2 Ne4 27.Ncd1 Nxd2 28.Bxd4 Re1 29.Ne3 Rxa1 30.Bxa1 Rxe3 0-1 Berlinsky,V-Olsar,J/Durham ENG 2007/ 17...c6? 18.Bxa6 Nf6 19.Bf1 Bh5 20.Nce2 Bxf3 21.gxf3 Nh5 22.Qe1+- Myers 17...Nf6 18.d3! Bxf3 19.Qxf3 Ng4 20.h3 Bxg3 21.Qd5+!+- Harding 18.d3 f5 19.Nce2 Bxf3 20.gxf3 Rb6 21.Qd2 h6 22.Nf4 Rc6 23.Ng6 Qxd4+ 24.Kh1 Bxg3 25.hxg3 Rc2 26.Qf4 Qf2 27.Qh4+ Kc8 28.Bf4 Qxf3+ 29.Kg1 Nxd3 30.Qh3 Qf2+ 31.Kh1 Ne1 0-1 Alvarez Arandia,J-Muniz,C/Preferente ESP 1989/ 15.Bf1!? Re8 15...Bxf3 16.Qxf3 Qxd4+ 17.Kh1 Re8? 18.Nc3 Re1 19.Nce2 Qf6 20.Qxd5 Rxf1+ 21.Nxf1 Qxf1+ 22.Ng1 Rb5 23.Qf3 Rf5 24.Qxf1 Rxf1 25.g3 1-0 Jeric,S-Rodman,F/Kranj SLO 2004/ 15...f5 16.d3 Bxg3 17.hxg3 Bxf3 18.Qxf3 Qxd4+ 19.Kh1 Re8 20.Bg5+ Kc8 21.Nc3 Qg4 22.Qxg4 fxg4 23.Nxd5 Re5 24.Bd2 Rxd5 25.Bc3 g6 26.d4 Kd7 27.Bc4 Rf5 28.d5 a5 29.a4 1-0 Claridge,J-Blom,E/corr IECG 2009/ 16.Nc3 Nf6 16...c6 17.d3 Ne3 18.Bxe3 Rxe3 19.Qd2 Re6 20.Rxf7 Rh6 21.Nce4 Qxh2+ 22.Kf2 Bxg3+ 23.Nxg3 Ke8 24.Rf4 Be6 25.Qc3 Bd5 26.Qa3 1-0 Mergard,H-Taksrud,V/corr ICCF 2010/ 16...Nb4 17.d3 Bxf3 18.Qxf3 Nc2 19.Rb1 Qxd4+ 20.Kh1 Bxg3 21.Qxg3 Qxc3 22.bxc3 Rxb1 23.Qg5+ f6 24.Qd5+ Kc8 25.Qf5+ Kb8 26.Bd2 Re2 27.h4 Rxd2 28.Kh2 Ne3 29.Qxh7 Rxf1 30.Qg8+ Kb7 31.Qb3+ Ka8 32.Qg8+ 1/2-1/2 Sax,G-Wagman,S/ Montecatini Terme ITA 1998/ 17.d3 Bxf3 18.Qxf3 Ng4 18...Qxd4+ 19.Kh1 Qh4 20.Nce2 Ng4 21.h3 Ne5 22.Qf5 h6 23.Ne4 g6 24.Qf4 Qxf4 25.Nxf4 g5 26.Nd5 f5 27.Nxd6 cxd6 28.b3 Rb5 29.Nf6 Rf8 30.d4 1-0 Pilgaard,K-Outerelo Ucha,M/ Pontevedra ESP 2002/ 19.h3 Bxg3 20.Ne4 Bf2+ 21.Nxf2 Nxf2 22.Qxf2 Qxf2+ 23.Kxf2 Rb6 24.Be2 Rd6 25.a3 h6 26.g3 Rd7 27.Bd2 f6 28.Bc3 a6 29.Bf3 Rd6 30.Rc1 Rb6 31.Rc2 Re7 32.Ba5 Rb3 33.Bb4 Rd7 34.Ke3 Rxb4 35.axb4 Rd6 36.Rc6 1-0 Oswald,T-Van Dries,C/corr ICCF 2007/ 15.Bc6 Bxf3 15...Nb4 16.Ba4 c6! 17.Nc3 Re8 18.d3 Bxf3 19.Qxf3 Qxd4+ 20.Kf1 Qxd3+ Harding 21.Nce2 Qxf3+ 22.gxf3 Kc7 23.Bd2 Myers 16.Qxf3 Qxd4+ 17.Kh1 Nb4 18.Be4 Bxg3 19.hxg3 Rb6 20.Qe3 Rd6 20...Qe5 21.Nc3 Re8 22.a3 Nc2 23.Qd3+ Nd4 24.Kg1 Rd6 25.Qe3 f5 26.Qg5+ Kc8 27.d3 Rg6 28.Qf4 Qxf4 29.gxf4 fxe4 30.dxe4 Rg4 31.Rb1 Ne6 32.Ne2 g5 33.Kf2 gxf4 34.Kf3 Reg8 35.Nxf4 Rg3+ 36.Kf2 Nxf4 37.Bxf4 Rxg2+ 38.Kf3 Rg1 0-1 Rehe,W-Bruder/corr BRD 1974/ 21.Nc3 Re8 22.Qxd4 Rxd4 23.a3 Rexe4 24.axb4 Re1+ 25.Kh2 Kc8 26.b5 Kb7 27.b3 Rd6 28.g4 Rh6+ 29.Kg3 Rhh1 30.Na2 f6 31.g5 fxg5 32.Kg4 Rhg1 33.g3 Kb6 34.d4 Kxb5 35.Kf3 Rgf1+ 36.Kg2 g4 37.Nc3+ Kb6 38.Ne2 h5 39.d5 Kb7 40.b4 g5 0-1 Behrendorf,K-Leisebein,P/corr GER 1998/ 15.Bc4 Bxf3 16.Qxf3 Qxd4+ 17.Kh1 Qxc4 18.Nc3 Re8 19.d3 Qd4 20.Bg5+ f6 21.Nf5 Qe5 22.Nxd6 Qe1+ 23.Qf1 Qxf1+ 24.Rxf1 cxd6 25.Nxd5 fxg5 26.b3 Rb5 27.Nc3 Rbe5 28.Ne4 d5 29.Nd6 Re1 30.Kg1 Rxf1+ 31.Kxf1 Re7 32.Kf2 a6 33.g3 g6 0-1 Hausius,D-Bullert,W/corr DDR 1984/ 15.Nc3 Nxc3 16.dxc3 Rxb5 17.Qd3 Rh5 18.Nxh5 18.Rxf7? Be6! 19.Nxh5 Bxh2+ 20.Kf1 Bxf7 21.Qb5 h6-+ Burgess 18...Qxh2+ 19.Kf2 Qxh5 20.Bf4 Bxf3 21.Qxf3 Qxf3+ 22.Kxf3 Bxf4 23.Kxf4 Re8 24.Kf3= Myers 15...Bxf3 15...Re8 16.Re3 Nxe3 17.dxe3 Bxe2 18.Qxe2 Bxg3 19.hxg3 Qxg3 20.Nc3 Rb6 21.Qf2 Qg4 22.Qe2 Qh4 23.e4 f5 24.e5 g5 25.Qf2 Qg4 26.Qf3 Qh4 27.g3 Qxd4+ 28.Be3 Qxe5 29.Bxb6 axb6 30.Rd1+ Ke7 31.Qe2 Qxe2 32.Nxe2 Ra8 33.a3 Ra4 34.Kf2 h5 35.Rh1 h4 36.gxh4 gxh4 37.Kf3 1-0 Dussart,F-Dicko,H/ France FRA 2009/ 16.Bxf3 Qxd4+ 16...Re8!? Tait 17.Nc3 17.Bxd5 Qxd4+ 18.Kh1 Qh4-+ 17...Bxg3 18.hxg3 Qxd4+ 19.Kh2 Rb6 20.d3 Ne3 21.Bxe3 Rxe3 22.Bg4 Qe5 23.Ne4 f5! 24.Bh3 fxe4 25.dxe4+ Rd6 26.Qg4 h5 27.Qc8+ Ke7 28.Qxc7+ Kf6 29.Rf1+ Kg6 Myers 17.Kh1 17.Kf1 Bc5 18.Qe1 Nf4 19.Qe3 Qc4+ 20.d3 Nxd3 21.Qg5+ f6 22.Nd2 Re8 23.Ne2 Rxe2! 24.Bxe2 Qd4-+ 17...Bxg3! 18.hxg3 Rb6 19.d3 19.Bg4? h5 19...f5 20.Bh3 g5 21.g4 h5 22.gxh5 g4 23.Nc3 gxh3 24.gxh3 Rg8 25.Qf1 Rd6 0-1 Schranz,F-Lorenzen/BRD corr 1985/ 20.Bh3 g5 21.Qg1 Qd3 22.Nc3 g4 23.Na4 Rf6 24.Kh2 h4 25.Nc5 hxg3+ 26.Kh1 Rxh3+ 0-1 Radvanyi,T-Egri,L/Hungary HUN 1997/ 19...Ne3 20.Bxe3 Qxe3 21.Bg4 21.Nc3? Rh6+ 22.Bh5 g6 23.g4 gxh5 24.g5 Qxg5 25.Qf3 Rg8 26.Rf1 Qh4+ 27.Kg1 Rxg2+ 28.Qxg2 Rg6 29.Rxf7 Rxg2+ 30.Kxg2 Qg5+ 31.Kh3 Qd2 0-1 Visser,E-Koster,L/Netherlands NED 1996/ 21...h5! 22.Bh3 g5! 22...h4?! 23.Qd2! Harding Re8 24.Qxe3 Rxe3 25.Nd2 Rxg3 26.Nc4 Ra6 27.Bf5 Myers 23.Nd2 g4 24.Nc4 Qxg3 25.Nxb6 25.Qg1 Rbh6 26.Qh2 Qxh2+ 27.Kxh2 gxh3 28.gxh3 Rg8-+ Myers 25...gxh3 26.Qf3 hxg2+ 27.Qxg2 Qxg2+ 28.Kxg2 cxb6! Sowray: To win, Black needs to penetrate with his king to the queenside without allowing White to reduce the number of pawns with the plan a4-a5. 28...axb6 29.a4! c5 30.a5 Soltis 29.Rf1 29.Kh3 Re8 30.Rf1 Re3+ 31.Kh4 Ke7 32.Kxh5 Ke6 33.Kg5 Rg3+ 34.Kf4 Rxd3 35.Re1+ Kf6 36.Rc1 Rd4+ 37.Ke3 Ra4 38.a3 Ke5 39.Rc8 f5 40.Re8+ Kd5 41.Kd3 Rd4+ 42.Kc3 Rc4+ 43.Kd3 Rc7 44.Rf8 Ke5 45.Ke3 Rc2 46.Re8+ Kd5 47.Ra8 a5 48.b4 Rc3+ 49.Kf4 Rxa3 50.bxa5 Rxa5 0-1 Lopukhin,A-Semeniuk,A/Cheliabinsk URS 1975/ 29...Ke7 30.Re1+ Kd6 31.Rf1 Rc8! Berliner: One of the best moves I ever made. Instead of tying down the rook to defend the weak kingside pawns, Black gives up one of them in order to reach a situation where Black has the outside h-pawn versus the worthless white d-pawn. The rest of the game will be played on the queenside with the white king unable to join the fight there. 32.Rxf7 Rc7 33.Rf2 Ke5 34.a4? 34.Kg3! Berliner Kd4 35.Kh4 Kxd3 36.Kxh5 Rc2! 37.Rf7! 37.Rf3+? Kd4!? 38.Rf4+ Kc5 39.Rf5+ Kb4 40.Rf4+ Kb5 41.Rf7 Ka6-+ Myers 37...Rc5+ 37...a5!? 38.Rd7+ Ke4 39.b3 Rxa2 40.Rb7 Kd4 41.Rxb6 Kc5 42.Rb8 Rg2 43.Re8 Kb5 Myers 38.Kg4 Ra5?! 38...a5!? 39.Rf2 Rc2 40.Rf3+ Kd4 41.Rf4+ Kd5 42.Rf5+ Kc6 43.Rf6+ Kb7 Myers 39.Rf3+ Kd2 40.b3!? 40.a3 Kc2 41.Rf2+ Kb3 42.Kf4 Rb5 Soltis 40...Ra3 41.Kf5 Kc1 42.Ke6 Rxa2 43.Kd6 Ra3 44.Kd5 Kb2 45.Kc4 Ra5 46.b4 Rh5 47.b5 Rh7 48.Kd5 Rc7 49.Kd4 Ka2 50.Rh3 Kb2 51.Rf3 Rd7+ 52.Kc4= Myers 34...Kd4 35.a5 Kxd3 35...bxa5!? 36.b3 Rg7+ 37.Kf1 Rg5 38.Rf3 h4 39.Ke2 Kc3 40.d4+ Kxd4 41.Rf4+ Kc3 42.Rxh4 Kxb3-+ Myers 36.Rf3+ Kc2 37.b4 37.axb6 axb6 38.b4 Rc4 39.b5 Rc5 40.Rf2+ Kc3-+ Burgess 37...b5 38.a6? Myers: This move, so far as I know, has ever previously fallen under question. Is it possible that Black missed a draw here? 38.Rf5!? Rb7 39.Rxh5 Kc3 40.Rh4 Rc7 41.Kf3 Rc4 42.Rh7 Rxb4 43.Rxa7 Ra4 44.Ke2 b4 45.Rc7+ Kb2 46.Rc4 Ka3 47.Rc1 Ka2 48.Rc4 Ka3 49.Rc1= Myers 38...Rc4 39.Rf7 Rxb4 40.Rb7 40.Rxa7 Ra4 41.Rc7+ Kb2 42.a7 b4 43.Rc4 Kb3-+ Burgess 40...Rg4+ 41.Kf3 b4 42.Rxa7 b3 42...b3 43.Rc7+ Kb1 44.Rc5 Ra4!-+ Soltis 0–1
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Estrin,Y-Berliner,H-0–11965C57W-ch05 corr6568

Sometimes the World Championship tournaments are not yet finished when a new World Championship tournament begins. After all, correspondence chess takes time — and the story that the team of the GDR won the bronze medal in the Correspondence Chess Olympiad when the GDR itself did no longer exist is well-known.

Mining opening theory

Of course this database includes all great correspondence chess tournaments, World Championships and correspondence Chess Olympiads. But even if you are not particularly interested in the history of correspondence chess you might be interested in the Corr Database 2018: after all, many of games are theoretically interesting — today more than ever due the rise of the computer, which had a deep impact on correspondence chess. Nowadays, most correspondence games are played online and are analysed with the help of strong chess engines. And because the engines make hardly any mistakes it is possible to draw conclusions about the strengths of certain openings. If a game is lost this might well be due to a bad opening choice.

Arno Nickel Côte d'Azur 2013

Leading grandmasters of correspondence chess such as Arno Nickel claim that the human factor in comparing and evaluating moves proposed by the machine, still plays a crucial role. Nevertheless, it seems as if many correspondence players put a lot of trust into their engines and thus their games indicate how well certain openings do if the middlegame is played close to perfection.

In fact, a lot of top grandmasters — or their seconds and trainers — closely follow such games to find new ideas and draw conclusions about certain openings. To a large extent today's correspondence chess is computer chess and today's correspondence games indicate how the opening theory of tomorrow will look like.

Arno Nickel in 2013 | Photo: Wikimedia Commons


Corr Database 2018 is an extensive collection of correspondence games, featuring classical correspondence games played by mail as well as email games.

ChessBase Corr Database 2018

1.4 million correspondence games

Corr Database 2018 is an extensive collection of correspondence games, featuring classical correspondence games played by mail as well as email games. The CD contains 1,431,813 games from 1804 until 2017 including all games of the correspondence chess world championships 1-28, correspondence chess olympics 1-18, correspondence chess european championships, national chamionships (AUS, CSR, DEN, GER, NED, USA). Corr 2018 also features a correspondence chess playerbase, which includes about 522,222 names. A must for every player of correspondence chess!

System requirements: Pentium PC, 32 MB RAM, Windows 10, 8 or 7 and Fritz 13, 14, 15 or ChessBase 14, 13 or 12 and DVD drive.

  • Language: English
  • DVD-ROM
  • ISBN 978-3-8661-622-0

€189.90
€159.58 without VAT (for Customers outside the EU)
$172.35 (without VAT)

Correction, October 6th: The article was updated to reflect that there were three (not two) players who were twice World Correspondence Champions. Töno Öim (1982 und 1999) was added.

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Translation from German: Johannes Fischer


André Schulz started working for ChessBase in 1991 and is an editor of ChessBase News.

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