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Ivan Cheparinov vs Sergey Karjakin
Corus Group B (2005), Wijk aan Zee NED, rd 6, Jan-21
English Opening: Symmetrical. Anti-Benoni Variation Spielmann Defense (A33)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Jan-30-05  patzer2: After playing a strong game for 39 moves, Cheparinov makes a single blunder with 40. Rb1?? Karjakin exploits the mistake with a decisive deflection combination initiated with 40...gxf3 .

Perhaps Cheparinov (in time trouble I suspect) realized too late that 41. Qxb7?? 42. Rh6+ Kg1 43. Qc5# was not a good idea. However, what he missed was the defensive combination 40. Qe3! gxf3 41.d7 Qd8 42.Qxe5+ f6 43.Qe8+ Rg8 44.Qxd8 fxg2+ 45.Bxg2 Bxg2+ 46.Kh2 Rxd8 47.Kxg2 , when White has drawing prospects in this Rook and pawn ending.

In the final position, Black resigns instead of going through the motions with 44.Ke3 [44.Ke1 Qc3+ 45.Kd1 Qd2#; 44.Kg1 Rh1+ 45.Kf2 Qc2+ 46.Ke3 (46.Ke1 Qc3+ 47.Kf2 Rh2+ 48.Kg1 Qxg3+ 49.Bg2 Qxg2#) 46...Qe4+ 47.Kd2 Rh2+ 48.Be2 Rxe2+ 49.Kc3 Rc2+ 50.Kb3 Qc4#] 44...Qc3+ 45.Bd3 Qd2#

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