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Marcin Dziuba vs Maxim Sorokin
"Horse Sense" (game of the day Jul-06-2007)
XI Anibal Open (2005), Linares ESP, rd 3, Feb-27
Queen's Gambit Declined: Vienna. Quiet Variation (D44)  ·  0-1



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Kibitzer's Corner
Jul-21-05  who: Black wins by playing 82...Nf3 83...Ne2 84...Ng3
Sep-22-05  artaxerxesbeganthe70: 81... Ne5
82 g6 Nf3
83 g7 Ne2
84 g8=Q Ng3
85 QxN 1/2 1/2

This game should be a draw.

Dec-04-05  Brady: 82 g6 Ng4
83 g7 Ne2
84 g8Q Ng3++
Dec-04-05  avidfan: Position after 81...Ng6-e5

click for larger view

82.g6 Ng4! 83.g7 Ne2 84.g8=Q Ng3#

The pawn has passed the Troitsky line at g3.
This is an exception to the Trotsky guideline
because the N/g4 prevents the white queen from capturing the last checking knight at g3.

Jul-06-07  Guguni: wonderful game with the knights!
Jul-06-07  wouldpusher: Now that's a two knights' defense versus passed pawns! He also managed to pull off the ultra rare two knights' mate because White had extra tempi with the g-pawn.
Premium Chessgames Member
  al wazir: I think 41. Ke2 would have won for white.

A) 41...Kc7 42. Kd3 Kb6 (42...Kd6 transposes into line B) 43. Bd7.

B) 41...Ke7 42. Bd5 Nb8 43. Kd3 Kd6 44. Kc4 Na7 45. Kb4 Kc7 46. Ka5 Nc6+ 47. Bxc6 Nxc6+ 48. Kb5 Na7+ (48...Kd2/Kd3 49. a7) 49. Kc5 Nc6 (49...Kb8 50. Kb6, and black is in Zugzwang) 50. Kd5 Kb6 51. Kd6 Nb8 52. Kxe5 Kxa6 53. Kd6 Kxb7 54. e5 Nc6 55. e6, and now black must give up his remaining ♘ to stop the e-♙ -- but white's ♔ scoops up the black g- and h-♙s.

Jul-06-07  Zzyw: Al wazir, in A) black plays 43...Nbd4 and white has nothing.
Jul-06-07  Skylark: White played sloppily in the opening and for the majority of the game I thought black was much better.. the passed pawns looked strong but they weren't enough for a win. Still I thought white had sufficient resources to draw, but the conclusion was very pretty I must say.
Jul-06-07  jon01: It was sad to hear that Maxim Sorokin had died on 30 June.


Jul-06-07  gilbertblondy: Bonjour,
what is "the Trotsky guideline" ? please


Premium Chessgames Member
  al wazir: <Zzyw: 41...Kc7 42. Kd3 Kb6 43. Bd7 Nbd4> 44. Bxc6 Nxc6 . . . and you're right, white has nothing.
Jul-06-07  Craigokat: For analysis of this ending, check out Botvinnik's "Soviet Chess Championship, 1941" for the game Lilienthal-Smyslov. The rook ending with RP+BP is also analysed in depth by the man himself.
Premium Chessgames Member
  kevin86: It looks like the black knights did double duty-first,they had to corral the passed pawns on the queen side. Then,they managed to mate a king before a released,runaway pawn could reach paydirt. Actually,it did,but was blocked from capturing the checkmating knight by his compadre.

The final position is amusing:

click for larger view

A power "eye" behind the two kings.

Jul-06-07  DIO: Chessmensch, gilbertblondy, there is an "i" missing. Try Troitsky guideline. This is basically how you can mate with 2 N if your opponent has 1 pawn (depends on position). Cheers!
Jul-06-07  Chessmensch: <DIO, gilbertblondy> Yes, I realized that after I saw that <Avidfan> spelled it both ways so I deleted my message. Actually, there are a number of hits on Google if you enter "Troitsky Line" in Google.
Jul-06-07  Chessmensch: Further to my recent message, the article in Wikipedia is most worthwhile to read. It is the first one that pops up in the Google search for "Troitsky Line."
Premium Chessgames Member
  playground player: I would have liked to see an actual checkmate with the two Knights. "There's something you don't see every day, Chauncey..."
Premium Chessgames Member
  fm avari viraf: After the exchange of Queens, I think, it was a ding dong battle with lots of tactical manouevring. The end game with 2 Knights v Bishop & pawns is indeed very instructive. As we know, that GM Maxim Sorokin who lost his life in tragic car accident a week ago, is indeed a big lost to the Chess World & to his family. May God Bless His Soul Peace in Heaven, Eternally.
Oct-27-07  SuperPatzer77: <artaxerxesbeganthe70> - You had missed Black's winning move of 82...Ng4! - not 82...Nf3?? in the Marcin Dzuiba-Maxim Sorokin game on February 27, 2005 so, it is 82. g6 Ng4!, 83. g7 Ne2, 84. g8=Q Ng3#. Well, of course, it is a win for Black. We had realized that the Black Knight on g4 blocked the White Queen on g8 from capturing the checkmating Black Knight at g3.

Maxim Sorokin's death had saddened me. I actually didn't know that he was involved in a tragic car accident on June 30, 2007. He played awfully well in this game. I tipped my hat off to the late Maxim Sorokin because of the magnificent Black Knights' work in this game.

Jun-12-08  Jolly Wally: Magnificent coordination of the knight pair from start to finish.

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