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Larry Evans vs Israel Albert Horowitz
United States Championship (1951), New York, NY USA, rd 5, Aug-09
King's Indian Defense: Normal Variation. Deferred Fianchetto (E72)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Nov-18-10  beenthere240: White has a dangerous passed pawn, but black has significant chances for a perpetual check. 40. Qf3!! Blocks the perpetual check at least for the time being. 40...Rh3 (looks good--does white have anything better than his own repetion? Turns out he does 41. c7! Black can't stop the pawn from queening, and can only take the queen. But now it's Black's rook that blocks the perp! 41. Rxf3. 42. pc8=Q+. (forces K to g7 so white can return with new queen to g4 and fork the rook! 42...Kg7 43. Qg4+ (1-0)The whole combination looks composed.
Nov-18-10  beenthere240: PS this game has a very very deep knight sac on move 28.
Jan-24-19  Retireborn: With 11...Nh5 Horowitz attempts to improve on his game from a previous US ch:-

G Kramer vs I A Horowitz, 1946

However Evans finds an interesting plan with a3 and b4 in response.

27...Rf8 unprotects the e4 pawn and enables the tactical stroke 28.Nxc7! Instead 27...Nh4 keeps the position unclear.

Then Evans misses the clean win (30.Qd5+ Qf7 31.Rxg1) and with 35.b7 he loses his advantage altogether (35.Qd2 should be good enough.)

Possibly he was in time trouble and missed that after 37.Kxf2 Qf4+ 38.Bf3 Black doesn't play 38...Qxc1 but rather 38...Qd2+ with a forced perpetual.

The final twist in the tale arrives when Horowitz lashes out with 40...Rg3? After 40...h5 or 40...Rc8 there is no win to be seen.

This was a fun game to analyze.

Jan-24-19
Premium Chessgames Member
  ferrabraz: 40...Qe4! 41. Qe4 de4 42. c7 Rc8 43. Kg2 Kg7 44. Kg3 Kf6 45. Kf4 Ke6 46. Ke4 Kd6 47. Kf5 Rc7 48. Rc7 Kc7 49. Kf6 Kd7 50. Kg7 h5 (or 50... Ke7 51. Kh7 Kf7 =) 51. Kg6 Ke7 52. Kh5 Kf7 53. Kh6 Kg8 and it’s a draw. Am I missing something?
Jan-24-19  Retireborn: <ferrabraz> 40...Qe4 is certainly good enough to draw, yes. It's a tablebase draw after your 46...Kd6.

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