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Subject: Pawn sac

Author: Richard Pijl

Date: 14:29:23 11/07/04


A few days ago the Baron played a pawn sac in a (blitz)game against Arasan on
ICC. I'm wondering whether other engines consider this sac as well:

[D]rn1qkb1r/pp2pppp/2p3b1/4P3/4pBP1/5P2/PPPN3P/R2QKB1R w kqKQ -
The Baron played 10.e6 and went to win the game.

The Baron on an AMD 2000+ (single):
 ply       time        nodes   score  pv
  4(10).   0:00.08     11738   +0.45  Nd2xe4 Bg6xe4 f3xe4 Qd8-a5 c2-c3
                                      Nb8-d7
  5(11)&   0:00.14     22740   +0.62  Nd2xe4 Qd8-a5 c2-c3 Bg6xe4 f3xe4
                                      Nb8-d7 e5-e6
  5(11).   0:00.17     28634   +0.62  Nd2xe4 Qd8-a5 c2-c3 Bg6xe4 f3xe4
                                      Nb8-d7 e5-e6
  6(12)&   0:00.22     40218   +0.31  Nd2xe4 Qd8xd1 Ra1xd1 Bg6xe4 f3xe4
                                      e7-e6 Bf1-e2 Nb8-d7
  6(12).   0:00.63    115535   +0.31  Nd2xe4 Qd8xd1 Ra1xd1 Bg6xe4 f3xe4
                                      e7-e6 Bf1-e2 Nb8-d7
  7(14)&   0:00.89    171804   +0.43  Nd2xe4 Qd8xd1 Ra1xd1 Bg6xe4 f3xe4
                                      e7-e6 Bf1-c4 Nb8-d7 O-O
  7(14)&   0:02.02    398574   +0.60  e5-e6 e4xf3 Qd1xf3 h7-h5 O-O-O
                                      h5xg4 Qf3xg4 b7-b5 (e6xf7)
  7(14).   0:02.23    442766   +0.60  e5-e6 e4xf3 Qd1xf3 h7-h5 O-O-O
                                      h5xg4 Qf3xg4 b7-b5 (e6xf7)
  8(14)&   0:03.73    741072   +0.64  e5-e6 e4xf3 Qd1xf3 f7xe6 O-O-O
                                      Nb8-d7 Bf1-c4 Bg6-f7
  8(14).   0:04.28    872122   +0.64  e5-e6 e4xf3 Qd1xf3 f7xe6 O-O-O
                                      Nb8-d7 Bf1-c4 Bg6-f7
  9(15)&   0:08.53   1740895   +0.50  e5-e6 e4xf3 Qd1xf3 h7-h5 O-O-O
                                      Qd8-d5 e6xf7 Bg6xf7 Bf1-c4 Qd5xf3 Bc4xf7
                                      Ke8xf7 (Nd2xf3)
  9(15).   0:10.05   2110489   +0.50  e5-e6 e4xf3 Qd1xf3 h7-h5 O-O-O
                                      Qd8-d5 e6xf7 Bg6xf7 Bf1-c4 Qd5xf3 Bc4xf7
                                      Ke8xf7 (Nd2xf3)
 10(16)&   0:19.52   4150827   +0.50  e5-e6 f7xe6 Nd2xe4 Nb8-d7 Bf1-c4
                                      e6-e5 Bf4-e3 Nd7-f6 O-O Qd8xd1 (Ra1xd1)
 10(16).   0:21.44   4626763   +0.50  e5-e6 f7xe6 Nd2xe4 Nb8-d7 Bf1-c4
                                      e6-e5 Bf4-e3 Nd7-f6 O-O Qd8xd1 (Ra1xd1)
 11(17)&   0:53.16  11456586   +0.49  e5-e6 f7xe6 f3xe4 e6-e5 Bf4-e3
                                      e7-e6 Bf1-c4 Bg6-f7 O-O Nb8-d7 Nd2-b3
 11(18).   1:03.05  13773719   +0.49  e5-e6 f7xe6 f3xe4 e6-e5 Bf4-e3
                                      e7-e6 Bf1-c4 Bg6-f7 O-O Nb8-d7 Nd2-b3
 12(20)&   2:06.92  27807941   +0.32  e5-e6 f7xe6 Nd2xe4 Nb8-d7 Bf1-c4
                                      e6-e5 Bf4-e3 Nd7-f6 O-O Qd8xd1 Ra1xd1
                                      Nf6xe4 (f3xe4)
 12(20).   2:35.84  34452589   +0.32  e5-e6 f7xe6 Nd2xe4 Nb8-d7 Bf1-c4
                                      e6-e5 Bf4-e3 Nd7-f6 O-O Qd8xd1 Ra1xd1
                                      Nf6xe4 (f3xe4)
 13(20)&   5:14.11  67028593   +0.38  e5-e6 f7xe6 f3xe4 e6-e5 Bf4-e3
                                      e7-e6 Qd1-f3 Qd8-f6 Qf3-g2 h7-h5 g4-g5
                                      Qf6-d8 O-O-O
 13(22).   6:28.58  83036114   +0.38  e5-e6 f7xe6 f3xe4 e6-e5 Bf4-e3
                                      e7-e6 Qd1-f3 Qd8-f6 Qf3-g2 h7-h5 g4-g5
                                      Qf6-d8 O-O-O
Full game:

[Event "ICS rated blitz match"]
[Site "chessclub.com"]
[Date "2004.11.02"]
[Round "-"]
[White "thebaron"]
[Black "ArasanX"]
[Result "1-0"]
[WhiteElo "2663"]
[BlackElo "2621"]
[TimeControl "300+3"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c6 4. Nbd2 Bg4 5. Ne5 Bh5 6. f3 Nfd7 7. g4 Nxe5
8. dxe5 Bg6 9. e4 dxe4 10. e6 fxe6 11. fxe4 Nd7 12. Bc4 e5 13. Be3 Qa5 14.
Qf3 O-O-O 15. O-O-O Kb8 16. Be6 h5 17. Bxd7 Rxd7 18. Nc4 Qxa2 19. Rxd7 Qxc4
20. Rhd1 c5 21. Rd8+ Kc7 22. R1d7+ Kc6 23. Qd1 Bxe4 24. Rc8+ Kb6 25. b3
Qxc2+ 26. Qxc2 Bxc2 27. Kxc2 hxg4 28. Bxc5+ Ka6 29. Bg1 g5 30. Ra8 Kb5
{ArasanX resigns} 1-0




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