The last trump

In the rook endgame Black had to give his rook for the white h-pawn. White to play is winning, but only with precision. What would be your choice? (W: Kh8, Rc7, Pc4; B: Ka2, Pa4, b6)
Solution
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1.c4 Nf6 2.Nf3 e6 3.Nc3 d5 4.d4 dxc4 5.e4 Bb4 6.Bg5 c5 7.Bxc4 cxd4 8.Nxd4 Bxc3+ 9.bxc3 Qa5 10.Bb5+ Bd7 11.Bxf6 gxf6 12.Bxd7+ Nxd7 13.0-0 a6 14.Rb1 Qc7 15.Qh5 Nc5 16.Qh4 0-0-0 17.Rfe1 Rhg8 18.Qxf6 Rg4 19.Nf5 Kb8 20.Ng3 Rf4 21.Qg5 h6 22.Qxh6 Nd3 23.Red1 Qe5 24.Qh5 Qxh5 25.Nxh5 Rxe4 26.Rd2 Rh4 27.Ng3 Rd5 28.Nf1 Nf4 29.Rdb2 Rd7 30.g3 Rg4 31.Ne3 Rg7 32.c4 Nd3 33.Rd2 f5 34.Rbd1 Ne5 35.Rxd7 Nxd7 36.f3 Ne5 37.Kf2 Kc7 38.h4 Rh7 39.Rh1 Kd6 40.h5 Ke7 41.f4 Nd3+ 42.Kf3 Kf6 43.Rd1 Nc5 44.g4 fxg4+ 45.Nxg4+ Kf5 46.Ne3+ Kf6 47.Ng4+ Kf5 48.h6 Nd7 49.Rh1 Kg6 50.Rd1 Kf5 51.Rd6 Nf8 52.Rd8 Ng6 53.Rc8 b6 54.Rb8 Nh4+ 55.Kg3 Ng6 56.Rg8 e5 57.fxe5 Nxe5 58.Rg7 Rh8 59.Nxe5 Kxe5 60.h7 Kd4 61.Rc7 a5 62.Kf4 a4 63.Kf5 Kc3 64.Kg6 Kb2 65.Kg7 Rb8 66.h8Q Rxh8 67.Kxh8 Kxa2 68.Rb7! 68.Rc6? Kb3 69.Rxb6+ Kxc4= 68.Kg7? Kb2 69.Kf6 69.Rb7 Kc3 70.Rxb6 Kxc4= 69...a3 70.Ke5 a2 71.Ra7 a1Q 72.Rxa1 Kxa1 73.Kd5 Kb2 74.Kc6 Kc3 75.Kb5 Kb3 76.Kxb6 Kxc4= 68.Ra7? Kb3 69.Kg7 Kxc4 70.Rxa4+ Kc3 71.Ra3+ Kc4 72.Kf6 b5 73.Ke5 b4 74.Ra8 b3 75.Rc8+ Kd3= 68...Kb3 68...a3 69.Rxb6 Ka1 70.c5 a2 71.Ra6+- 69.c5! 69.c5! a3 70.Rxb6+ Kc4 71.Ra6 Kxc5 72.Rxa3+- 1–0
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Illingworth,M | 2476 | Schon,E | 2318 | 1–0 |
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Karsten Müller in ChessBase Magazine
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ChessBase Magazine #163

Free Opening Article for Download!
Evgeny Postny: "Black has the choice" (Anti-Grünfeld with 5.Ld2 and 8.Qd2)
"The side variation 5.Bd2 has been enjoying a certain popularity among strong players, there is a whole series of 2700s who in recent years have tested out this setup with White. White would like to recapture on c3 with the bishop and then the fashionable move is 8.Qd2 (instead of 8.Nf3) and that is the subject of Evgeny Postny's article."
That is how Rainer Knaak describes the situation in the booklet of CBM 163. The article was written before the World Championship in Sochi. And what happened? In the very first Vishy Anand attacked World Champion Magnus Carlsen with this variation!
Postny presents two candidates - 8...c5 and 8...Nc6 (Carlsen's choice), explains the strategic ideas behind these moves, and concludes that both offer Black good chances to equalize.
Free Download of this opening article (CBV file for ChessBase/Fritz)...
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Introduction by Karsten Müller
All Opening Articles in ChessBase Magazine #163
Opening surveys
Illingworth: Reti Opening A11
1.c4 Nf6 2.g3 c6 3.Bg2 d5 4.Nf3 g6 5.b3 Bg7 6.Bb2 0-0 7.0-0

This flexible setup allows one to decide at a later point whether to follow it up with d3 or with d4. Max Illingworth has studded his article with numerous rules of thumb so that it is to a great extent possible to avoid having to learn long theoretical variations.
Kuzmin: Benkö Gambit A58
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 g6 6.Nc3 Bg7 7.e4 0-0 8.Nf3 Qa5

As Alexey Kuzmin explains, what we have here is a totally new approach to playing the Volga. Black does not want to take on a6 quickly in order to prevent White from castling with Ba6xf1. Instead of that he is even prepared to rapidly exchange his queen.
Stohl: Benoni A60
1.d4 Nf6 2.c4 e6 3.g3 c5 4.d5 cxd5 5.exd5 b5

The Fianchetto Variation may not be reckoned the strongest way to fight the Modern Benoni, but nevertheless White does have chances of getting an advantage. So, with 5...b5!? Black is trying to go his own way at an early point; Igor Stohl investigates how dangerous that is for him.
Karolyi: Dutch Defence A83
1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 Nc6 5.d5 Ne5 6.Qd4 Nf7 7.h4

Till now in this variation of the Staunton Gambit 7.Bxf6 was played – however it led to good results for Black. But as Tibor Karolyi demonstrates in his article, after 7.h4! Black has to face much greater problems. That represents a considerable upward revaluation of the move 2.e4.
Havasi: Modern Defence B06
1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 a6 5.Nf3 b5 6. Bd3 Bb7 7.Be3

At first White develops naturally with Bd3 and Be3. But as Gergö Havasi demonstrates in his analyses, you would require good knowledge of the theory specific to this variation in order to really get an advantage in the long run.
Krasenkow: Sicilian B22
1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 e6

At the level of club players, the Alapin Variation 2.c3 is very popular. So Michal Krasenkow makes you acquainted with his own repertoire against it. Early on 4...e6 is a subtle move, since White can hardly reply 5.dxc5 (5...Qxd1+).
Sumets: French C11
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c6 6.Nf3 Nc6 7.Be3 Qb6 8.Na4 Qa5+ 9.c3 b6

After the strongest continuation 10.Bd2 c4 11.b4 there are two quite distinct lines: 11...Qa6 and 11...Nxb4. Andrey Sumets’ investigations prove that the knight sacrifice has a greater tendency to give Black satisfactory play.
Antic: French C12
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bh4 g5 7.Bg3 Ne4 8.Nge2

6.Bh4 provokes 6...g5, and White hopes to be able to go on and exploit the weakness. Dejan Antic deals with 8...h5 and 8...f5, before turning to the main move 8...c5. It appears that White cannot lay claim to any objective advantage.
Müller: King's Gambit C37
1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Nc3

From the position in the diagram Black has several moves: 4...g4?!, 4...Bg7, the subtle 4...d6 and 4...Nc6, which leads to a position which is frequently arrived at via a transposition of moves. Karsten Müller introduces you to the subtleties and goes far beyond present theory.
Gormally: Queen's Gambit Accepted D24
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Nc3 a6 5.e4 b5 6.e5 Nd5 7.a4 e6 8.axb5

This is one of the sharpest variations of the Queen’s Gambit Accepted. By playing 7...e6 Black returns the pawn immediately. Daniel Gormally acquaints you with both continuations: 8...Bb4 and Miles’ 8...Nb6.
Postny: Grünfeld Defence D85
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.Bd2 Bg7 6.e4 Nxc3 7.Bxc3 0-0 8.Qd2

Nowadays 5.Bd2 is no longer a surprise way to meet the Grünfeld Defence. Evgeny Postny has worked intensively on the position in the diagram and come to the conclusion that there are several continuations for Black which give him a level game.
Marin: Nimzoindian E41
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Nf3 Bxc3+ 7.bxc3 d6 8.0-0 e5 9.d5 Ne7

The so-called Hübner Variation (Mihail Marin mentions earlier games by Portisch in the 1950s) is not an easy one to defuse. Our Romanian author tries to do so with 10.Nd2 and in his extensive article he is able to show a slight plus for White.
Szabo: King's Indian E98
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 0-0 6.Be2 e5 7.0-0 Nc6 8.d5 Ne7 9.Ne1 Ne8 10.Be3 f5 11.f3 f4 12.Bf2 h5 13.c5 g5

Krisztian Szabo is a specialist in this sharp variation, which can be characterised in brief as follows: White is better, but Black wins. So the risk factor is extremely high for both sides.
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