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Subject: Exchange sac

Author: Richard Pijl

Date: 07:23:49 06/29/05


The following position occurred in an ICC game between Amateur and the Baron
[D]2r5/p2nnkNp/1pq1p1pP/3pPp2/2rP4/P1P3Q1/3B1PP1/R4RK1 b - -
To my surprise Baron didn't hesitate to sac the exchange on c3 and won the game,
probably partly because Amateur didn't handle the endgame too well (exchange of
queens was probably not a good idea).
 ply       time        nodes   score  pv
  8(13)+   0:01.21    154487   -0.11  Rc4xc3 (Bd2xc3) (Qc6xc3) (Qg3-f4) (Rc8-c4)

                                      (Rf1-d1) (Ne7-c6)
  8(13)&   0:01.32    182496   -0.05  Rc4xc3 Bd2xc3 Qc6xc3 Qg3-f4 Rc8-c4
                                      Rf1-d1 Ne7-c6 Ra1-c1 (Qc3xa3)
  8(13).   0:01.54    228566   -0.05  Rc4xc3 Bd2xc3 Qc6xc3 Qg3-f4 Rc8-c4
                                      Rf1-d1 Ne7-c6 Ra1-c1 (Qc3xa3)
  9(14)&   0:02.31    410928   -0.10  Rc4xc3 Bd2xc3 Qc6xc3 Qg3xc3 Rc8xc3
                                      Rf1-c1 Rc3-c6 Ra1-b1 a7-a5
  9(14).   0:02.75    507685   -0.10  Rc4xc3 Bd2xc3 Qc6xc3 Qg3xc3 Rc8xc3
                                      Rf1-c1 Rc3-c6 Ra1-b1 a7-a5
 10(15)&   0:04.40    898270   -0.09  Rc4xc3 Bd2xc3 Qc6xc3 Qg3-f4 Rc8-c4
                                      Rf1-d1 Ne7-c6 Ra1-c1 Qc3xa3 Rc1-b1
 10(15).   0:04.67    963660   -0.09  Rc4xc3 Bd2xc3 Qc6xc3 Qg3-f4 Rc8-c4
                                      Rf1-d1 Ne7-c6 Ra1-c1 Qc3xa3 Rc1-b1
 11(17)&   0:10.22   2126162   +0.02  Rc4xc3 Bd2xc3 Qc6xc3 Qg3-f4 Qc3-d3
                                      Ra1-c1 Rc8-c4 Rc1xc4 d5xc4 g2-g4 Qd3xa3
                                      g4xf5 (Ne7xf5)
 11(17).   0:11.26   2371526   +0.02  Rc4xc3 Bd2xc3 Qc6xc3 Qg3-f4 Qc3-d3
                                      Ra1-c1 Rc8-c4 Rc1xc4 d5xc4 g2-g4 Qd3xa3
                                      g4xf5 (Ne7xf5)
 12(18)&   0:23.35   4924705   +0.05  Rc4xc3 Bd2xc3 Qc6xc3 Qg3-f4 Rc8-c4
                                      Rf1-d1 Nd7-c5 Ra1-c1 Nc5-d3 Rc1xc3 Nd3xf4
                                      Rc3-b3
 12(18).   0:25.87   5454433   +0.05  Rc4xc3 Bd2xc3 Qc6xc3 Qg3-f4 Rc8-c4
                                      Rf1-d1 Nd7-c5 Ra1-c1 Nc5-d3 Rc1xc3 Nd3xf4
                                      Rc3-b3
 13(20)&   0:56.30  10926628   +0.13  Rc4xc3 Bd2xc3 Qc6xc3 Qg3-f4 Rc8-c4
                                      Rf1-d1 Ne7-c6 Ra1-c1 Qc3-b3 g2-g4 Nd7xe5
                                      g4xf5 Ne5-f3 Kg1-g2
 13(20).   1:05.48  12854192   +0.13  Rc4xc3 Bd2xc3 Qc6xc3 Qg3-f4 Rc8-c4
                                      Rf1-d1 Ne7-c6 Ra1-c1 Qc3-b3 g2-g4 Nd7xe5
                                      g4xf5 Ne5-f3 Kg1-g2
 14(22)&   3:03.13  27705221   -0.03  Rc4xc3 Bd2xc3 Qc6xc3 Qg3-f4 Rc8-c4
                                      Rf1-d1 Nd7-c5 Ra1-c1 Qc3-b3 Rc1-b1 Qb3-c3
                                      Rb1-a1 Nc5-e4 f2-f3
 14(22).   4:04.20  38905297   -0.03  Rc4xc3 Bd2xc3 Qc6xc3 Qg3-f4 Rc8-c4
                                      Rf1-d1 Nd7-c5 Ra1-c1 Qc3-b3 Rc1-b1 Qb3-c3
                                      Rb1-a1 Nc5-e4 f2-f3

Game:

[Event "ICC 5 3"]
[Site "Internet Chess Club"]
[Date "2005.06.29"]
[Round "-"]
[White "Amateur"]
[Black "thebaron"]
[Result "0-1"]
[ICCResult "White resigns"]
[WhiteElo "2706"]
[BlackElo "2752"]
[Opening "French: Winawer, classical variation"]
[ECO "C18"]
[NIC "FR.11"]
[Time "09:37:14"]
[TimeControl "300+3"]

1. d4 e6 2. e4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 f5 8.
Qg3 cxd4 9. cxd4 Ne7 10. Bd2 O-O 11. Bd3 b6 12. Ne2 Ba6 13. Nf4 Qd7 14. h4
Bxd3 15. Qxd3 Rc8 16. h5 Rc4 17. c3 Qc6 18. Qg3 Nd7 19. h6 g6 20. Nh5 Kf7
21. Ng7 Rc8 22. O-O Rxc3 23. Bxc3 Qxc3 24. Qxc3 Rxc3 25. Rfc1 Rc4 26. Rxc4
dxc4 27. Rc1 b5 28. Rb1 a6 29. Kf1 Nb6 30. Ke2 Nbd5 31. Rh1 Nc6 32. Rc1
Nxd4+ 33. Ke1 c3 34. g3 a5 35. g4 fxg4 36. Rb1 b4 37. axb4 axb4 38. Kd1 c2+
{White resigns}
0-1



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