The scorpion's sting

White must do something for his hanging knights in the e-file, but also defuse Black's 35...Bxc3 which forces the queen exchange on d3. Which king move is the right one?
A) 35.Kf2
B) 35.Kf3
Solution
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1.d4 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 Nc6 6.c4 e6 7.Nc3 Be7 8.Be3 0-0 9.Nc2 d5 10.cxd5 exd5 11.Nxd5 Nxd5 12.Qxd5 Qc7 13.Qb5 Bd7 14.Rc1 Nb4 15.Nxb4 Qxc1+ 16.Bxc1 Bxb5 17.Nd5 Bh4+! 17...Bxf1?? 18.Nxe7+ Kh8 19.Rxf1-+ 18.g3 Bxf1 19.Rxf1 Bd8 20.Bd2 Rc8 21.Bc3 f5 22.e5 Rc5 23.Nb4 Ba5 24.a3 Bxb4 25.axb4 Rd5 26.Ke2 Kf7 27.h4 Ke6 28.Ke3 Rc8 29.Rg1 Rc4 30.Re1 Rxc3+ 31.bxc3 Rxe5+ 32.Kd2 Rxe1 33.Kxe1 Kd5 34.Kd2 Kc4 35.h5 b6 36.Kc2 g5 37.h6 f4 38.g4 a5 39.bxa5 bxa5 40.Kb2 a4 41.Ka3 Kxc3 42.Kxa4 Kd4 43.Kb4 Ke3 1...Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 0-0 5.a3 Be7 6.e4 d6 7.Be2 Nbd7 8.0-0 e5 9.Qc2 exd4 10.Nxd4 Re8 11.b3 Bf8 12.Bb2 g6 13.Rfe1 c6 14.Bf1 Bg7 15.Rad1 a5 16.g3 Qb6 17.Bg2 Nc5 18.h3 Nfd7 19.Ba1 h5 20.Nf1 Nf6 21.Kh1 Bd7 22.f3 Nh7 23.Bc3 Ng5 24.f4 Ngxe4 25.Bxe4 Nxe4 26.Rxe4 Rxe4 27.Qxe4 c5 28.Ne2 Bc6 29.Rd5 Re8 30.Qd3 Bxd5+ 31.cxd5 Qxb3 32.Ne3 c4 33.Qd2 Qb1+ 34.Kg2 Qd3 35.Kf2? 35.Kf3!? Bxc3?! 36.Qxd3 cxd3 37.Nxc3 35...Bxc3 36.Qxd3 36.Qxc3 Rxe3-+ 36...Be1+! 36...Be1+! 37.Kxe1 cxd3 0–1
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Eljanov,P | 2719 | Kuzubov,Y | 2661 | 0–1 |
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Oliver Reeh in ChessBase Magazine
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ChessBase Magazine 162
Introduction by Karsten Müller
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Opening articles in CBMagazine #162
Stohl: English Defence A18
1.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 d4 5.exf6 dxc3 6.bxc3 Qxf6

As Igor Stohl demonstrates, the Mikenas-Flohr Variation of the English Defence is really reliable from Black’s point of view, but at first there is a struggle for equality. Even Aronian, the greatest expert with the white pieces, came to grief when he played the variation with Black against Grischuk.
Rotstein: Old Indian Defence A53
1.d4 Nf6 2.c4 d6 3.Nc3 Bf5 4.Nf3 c6

According to the analyses of Arkadij Rotstein White cannot, just as he is unable to do with 4.f3 e5 (see CBM 161), lay claim to a simple advantage after 4.Nf3 c6. Above all, 5.Nh4 Bg6!? proves to be surprisingly playable for Black.
Antic: Benoni A62
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 0-0 9.0-0 a6 10.a4 Re8 11.Bf4

The white bishop move is somewhat annoying for Black, since the natural developing move 11...Nbd7 is now excluded. In his article Dejan Antic analyses the two popular replies 11...h6 and 11...Nh5, but he believes that only the knight move offers certain chances for equality.
Havasi: Modern Defence B06
1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 a6 5.Nf3

It is not at all rare to see this variation with ...a6. Gergö Havasi investigates above all 5...Nd7, since he has reserved the main variation 5...b5 for his next article. White should achieve a comfortable game with natural developing moves – developing the bishops.
Krasenkow: Sicilian Defence B25
1.e4 c5 2.Nc3

Michal Krasenkow thinks that the Closed Sicilian is very playable at amateur level. In his article he presents a repertoire for White, just as he played himself till reaching a playing strength of around 2400.
Postny: Sicilian Defence B46
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 6.Nxc6 bxc6 7.Bd3 d5 8.0-0 Nf6 9.Re1 Be7 10.e5 Nd7 11.Qg4

The variation attracted the attention of Evgeny Postny because it was recently played by Fabiano Caruana – both with White and with Black. There is a trend away from 11...g6 to 11...¢f8. At the moment the variation appears to be under development and there are as yet no certainties.
Szabo: Sicilian Defence B90
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nb3 Be6 8.f3 h5 9.Nd5 Bxd5 10.exd5 Nbd7 11.Qd2 g6 12.Be2

The position in this diagram has been seen recently on several top level boards. The continuations 12...Bg7 and 12...Qc7 are up for discussion. As Krisztian Szabo shows, as well as a knowledge of variations one should also master a few tricks and manoeuvres.
Müller: King's Gambit C34
1.e4 e5 2.f4 exf4 3.Nf3

In the first part of his repertoire for White with the King’s Gambit Karsten Müller acquaints you with his fundamental idea. It is a setup with Nc3, d4 and g3 and is called the Quaade Gambit (or the Quaade setup). It works excellently against Fischer’s Defence 3...d6 and Becker’s Defence 3...h6.
Breder: Ruy Lopez Four Knights C48
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4

The article by Dennis Breder focusses after 4...Nd4 on the reply 5.Ba4. It should be followed by 5...c6 and, as our author shows, in many lines Black can even hope for more than mere equality.
Kuzmin: Queen's Pawn Game D00
1.d4 d5 2.Nc3 Nf6 3.Bf4

Alexey Kuzmin refers in his article to the games of Baadur Jobava, who has recently been employing this variation successfully. Jobava’s special variation comes after the most played move 3...Bf5 in the form of 4.f3 e6 5.g4 Bg6 6.h4.
Marin: Nimzo Indian Defence E53
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 c5 6.Nf3 b6 7.0-0 Bb7 8.Na4

The line with ...c5 is very solid and involves a substantial amount of theory, but Mihail Marin manages, starting with 8.Na4, to show how White can set his opponent problems and aim for an advantage.
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