CBM Blog: Knight Tactics, Tactical Tricks and Ask the Expert

by ChessBase
8/3/2011 – In endings with rook and knight a slight initiative often counts for a lot, as our endgame expert Dr. Karsten Müller shows. And that in rook endings small details often make the difference between a win and a draw. As a special treat, on Thursday at 5 p.m. CEST, you can consult GM Müller live in our "Ask the Expert" show on Playchess. Be there and improve your chess.

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Knight Tactics

In endings with rook and knight a slight initiative often counts for a lot:

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1.e4 g6 2.d4 Bg7 3.Nc3 c6 4.f4 d5 5.e5 Nh6 6.Nf3 f6 7.Bd3 Bg4 8.0-0 0-0 9.Ne2 Nd7 10.Qe1 e6 11.Qg3 Qb6 12.Kh1 c5 13.c3 cxd4 14.cxd4 Bf5 15.Bxf5 Nxf5 16.Qe1 Rac8 17.g4 Ne7 18.b3 Qa6 19.Qd1 Nc6 20.a4 Rfe8 21.Ba3 Bf8 22.Bxf8 Rxf8 23.Qd2 Qa5 24.Qxa5 Nxa5 25.b4 Nc4 26.h3 fxe5 27.Nxe5 Ndxe5 28.fxe5 Ne3 29.Rfc1 Nc2 30.Rab1 Rf2 31.Ng1 Rc4 32.Rb2 g5 33.a5 Kg7 34.b5 Kg6 35.Ra2 h5 36.Rb2 Rc3 37.b6 a6 38.Ra2 Rc8 39.gxh5+ Kxh5 40.Rb2 g4 41.Rb3 Rg8 42.Rb2 Rc8 43.Rb3 Rc4
44.Rd3 Nb4! 44...Ne3 45.Rxc4 Nxc4-+ should win as well. But not 44...Rxd4? 45.Rxc2 g3 46.Rxd4 Rxc2 47.Nf3+- 45.Rxc4 dxc4 46.Rg3 46.Rc3 runs into a mating attack: Nd3 47.Rxc4 g3-+ 46...Nd5 47.hxg4+ Otherwise the c-pawn decides the day: 47.Rg2 Rxg2 48.Kxg2 Nf4+ 49.Kg3 gxh3 50.Kxf4 h2 51.Ne2 Kh4 52.Ng3 c3-+ 47.Rxg4 c3 48.Rg2 Rxg2 49.Kxg2 Nf4+! But not 49...c2? 50.Ne2 Nf4+?? 51.Nxf4++- 50.Kf3 c2-+ 47...Kh4 48.Rg2 Rxg2 49.Kxg2 Kxg4 50.Ne2?! Against 50.Kf2 Black triangulates: Kf4 51.Nh3+ Kf5 52.Kf3 c3 53.Ng1 Nb4 54.Ne2 Na2 55.Ke3 c2 56.d5 exd5 57.Nd4+ Kxe5 58.Nxc2 Kd6 59.Kd4 Nc1 60.Na1 Kc6-+ Zugzwang 50...Nf4+ 51.Kf2 Nxe2 52.Kxe2 Kf4 53.Kd2 Ke4 53...Ke4 54.Kc3 Kd5-+
0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Hortensius,L2111Peng Zhaoqin23750–12011B15ch-NED Women5

Tactical Tricks

In rook endings small details often make the difference between a win and a draw. Where should White's king go, or should the rook move to e4?

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1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.0-0 0-0 5.d3 d5 6.c3 c5 7.Nbd2 Nc6 8.e4 e5 9.Qe2 Re8 10.b3 b6 11.Bb2 Ba6 12.c4 dxc4 13.Nxc4 Nd7 14.Rac1 Nf8 15.Rfd1 f6 16.h4 h5 17.Ne3 Ne6 18.a3 Qd7 19.Nd5 Ne7 20.b4 Rac8 21.Ba1 Nxd5 22.exd5 Nd4 23.Nxd4 cxd4 24.Rxc8 Bxc8 25.Qa2 Kh7 26.Rc1 Bb7 27.Bb2 Rd8 28.a4 Bf8 29.a5 Bxb4 30.a6 Ba8 31.Ba3 Bc3 32.d6 Bxg2 33.Kxg2 Qc6+ 34.Kg1 Kg7 35.Qe6 Re8 36.Qb3 b5 37.Bb4 Qxa6 38.Qd5 Rd8 39.Qe6 Qc8 40.Qe7+ Kh6 41.Ba5 Rd7 42.Qxf6 Qe8 43.Bxc3 dxc3 44.Rxc3 Qd8 45.Qxe5 Rxd6 46.Qxb5 Kh7 47.Ra3 Qc7 48.Ra1 Qf7 49.Qc4 Qb7 50.Qe4 Qf7 51.Ra5 Kg8 52.Qa8+ Qf8 53.Qb7 Qf7 54.Qxf7+ Kxf7 55.Rxa7+ Kf6 56.Ra3 Kf5 57.Kg2 Kf6 58.Kf3 Rd5 59.Ke3 Re5+ 60.Kd2 Rf5 61.Ra6+ Kf7 62.Ke3 Re5+ 63.Kd4 Re2 64.Ra7+ Kf6 65.Ra6+ Kf7 66.Ra5 Rxf2 67.Rg5 Rf6 68.Kc5 Ke7 69.d4 Ra6 70.Re5+ Kd7 71.Kd5 Ra3 72.Rg5 Ra6 73.Ke4 Ke7 74.Rc5 Ra3 75.Re5+ Kf6 76.Rg5 Ra6 77.Kd5 Ke7 78.Re5+ Kd7 79.Ke4 Ra3 80.Kf4 Rd3 81.d5 Rd4+ 82.Ke3 Ra4 83.Re4 Ra3+ 84.Kf4 Rd3 85.Re6
85...Rd4+ 86.Kf3? Gives Black a miracle escape. 86.Ke5? is also wrong due to Rg4 87.Ra6 Rxg3 88.Ra7+ Ke8 89.Kd6 Rg4= But 86.Ke3! does the job: Rg4 86...Rxd5 87.Rxg6 Ke7 88.Rg5 Ke6 89.Rxd5 Kxd5 90.Kf4+- 87.Kf3 g5 88.Re4 gxh4 88...Rxe4 89.Kxe4 gxh4 90.gxh4 Kd6 91.Kd4 Kd7 92.Ke5 Ke7 and White wins according to Bähr's Rule as his passed d-pawn has not crossed the a2-f7 diagonal: 93.Kf5 Kd6 94.Kg5 Kxd5 95.Kxh5 Ke6 96.Kg6 Ke7 97.Kg7+- 89.gxh4 Rg1 89...Rg8 90.Re5 Rh8 91.Rf5 Kd6 92.Kf4 Kc5 93.Kg5 Kd6 94.Kg6 Kc5 95.Rxh5+- 90.Re5 Kd6 91.Rxh5 Rd1 92.Ke4 Re1+ 93.Kf4 Rf1+ 94.Kg4 Rg1+ 95.Kf5 Kxd5 96.Kf6+ Kd6 97.Rf5 Rg8 98.Kf7 Rg1 99.h5 Rh1 100.Rf6+ Ke5 101.h6 Ra1 102.Kg7+- 86.Re4? Rxd5= 86...g5‼ The point of Black's defense. 86...Rxd5? 87.Rxg6 Ke7 88.Rg5 Rxg5 89.hxg5 Kf7 90.Ke4! Kg6 91.Kf4 Kg7 92.Kf5 Kf7 93.g6+ Kg7 94.Kg5+- 87.hxg5 Rxd5 88.Rg6 Ke7 89.Kf4 Kf7 90.Rh6 Rd4+ 91.Kf5 Rd5+ 92.Kf4 Rd4+ 93.Ke5 Ra4 94.Rxh5 Kg6 95.Rh4 Ra5+ 96.Kf4 Rf5+
½–½
  • Start an analysis engine:
  • Try maximizing the board:
  • Use the four cursor keys to replay the game. Make moves to analyse yourself.
  • Press Ctrl-B to rotate the board.
  • Drag the split bars between window panes.
  • Download&Clip PGN/GIF/FEN/QR Codes. Share the game.
  • Games viewed here will automatically be stored in your cloud clipboard (if you are logged in). Use the cloud clipboard also in ChessBase.
  • Create an account to access the games cloud.
WhiteEloWBlackEloBResYearECOEventRnd
Onischuk,V2490Safarli,E2622½–½2011A08TCh-TUR 2nd League 20114

Tomorrow: Ask the Experts with Karsten Müller

On Thursday, August 4th 2011, at 17:00h CEST (=19:00h Moscow, 16:00h UK or 11:00 a.m. New York) we will be broadcasting the sixth edition of “Ask the Expert” on Playchess.com. Endgame expert GM Karsten Müller is present to answer your questions, which viewers can send to him in advance via pascal.simon@chessbase.com. Naturally you can also ask the questions during the show via chat. The show is in English!

Here are samples of some shows in the Ask the Expert series:

Since 1988 grandmaster Dr. Karsten Müller from Hamburg has been playing for the Hamburger Schachklub in the Bundesliga, and in 1996 and 1997 he finished third in the German Championship. As an internationally renowned endgame expert he is the author of the endgame column in the ChessBase Magazine and the author of the Endgame Corner column on ChessCafe.com.

You will find a whole series of his very popular endgame DVD in the ChessBase Shop here.


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