Author: Richard Pijl
Date: 11:12:55 11/06/04
Go up one level in this thread
On November 06, 2004 at 11:34:13, Mike Byrne wrote:
>A few years ago, there was an ICC player that consistently beat computer
>programs by sac a piece on g5 (11.hxg5). To the point, that Bob Hyatt invented
>the "trojan " code to stop Crafty from playing hxg5. Shreddeer now has the
>same code (there may be others).
>
>In the game below, Rublevsky played the "Mercilous attack" and it is interesting
>to see how Anand dealt with it - he sac hiw own piece back!
>
>
>[Event "Corsica Masters KO"]
>[Site "Bastia FRA"]
>[Date "2004.11.04"]
>[Round "4.1"]
>[White "Rublevsky, S."]
>[Black "Anand, V."]
>[Result "0-1"]
>[ECO "C45"]
>[WhiteElo "2649"]
>[BlackElo "2781"]
>[PlyCount "46"]
>[EventDate "2004.11.02"]
>
>1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Qe2 O-O 8.
>Bg5 h6 9. h4 d6 10. f3 hxg5 11. hxg5 Ng4 12. fxg4 Qxg5 13. Qf3 Bxg4 14. Qg3 Ne5
>15. Be2 f5 16. exf5 Qxf5 17. O-O-O Bxe2 18. Nxe2 Qf2 19. Qh2 Qxe2 20. Qh8+ Kf7
>21. Rdf1+ Bf2 22. Qh7 Ke6 23. Kb1 Qg4 0-1
>
>If the program does not play hg5 here, it has trogan code to prevent the
>Mercilous attack.
>
>[d]r1bq1rk1/ppp2pp1/1bnp1n1p/6B1/4P2P/1NN2P2/PPP1Q1P1/R3KB1R b KQ - 0 10
The Baron has Trojan code, but still plays hxg5:
ply time nodes score pv
5( 8)& 0:00.27 10144 +2.69 h6xg5 h4xg5 Nf6-h7 O-O-O Nh7xg5
5( 8). 0:00.27 13444 +2.69 h6xg5 h4xg5 Nf6-h7 O-O-O Nh7xg5
6( 9)& 0:00.38 22846 +1.95 h6xg5 h4xg5 Nf6-h7 g5-g6 f7xg6
O-O-O
6(10). 0:00.49 40454 +1.95 h6xg5 h4xg5 Nf6-h7 g5-g6 f7xg6
O-O-O
7(12)& 0:00.60 62713 +1.69 h6xg5 h4xg5 Nf6-h7 g5-g6 f7xg6
Qe2-c4 d6-d5 Qc4xd5 Kg8-h8 (Qd5xd8)
7(12). 0:00.99 123851 +1.69 h6xg5 h4xg5 Nf6-h7 g5-g6 f7xg6
Qe2-c4 d6-d5 Qc4xd5 Kg8-h8 (Qd5xd8)
8(14)& 0:01.37 203925 +1.24 h6xg5 h4xg5 Nf6-h7 f3-f4 Rf8-e8
Qe2-h5 Bc8-f5 O-O-O
8(14). 0:02.25 421015 +1.24 h6xg5 h4xg5 Nf6-h7 f3-f4 Rf8-e8
Qe2-h5 Bc8-f5 O-O-O
9(14)& 0:03.08 634764 +1.36 h6xg5 h4xg5 Nf6-h7 f3-f4 Rf8-e8
O-O-O Bc8-d7 Qe2-h5 Bb6-e3 Kc1-b1
9(14). 0:04.39 1002853 +1.36 h6xg5 h4xg5 Nf6-h7 f3-f4 Rf8-e8
O-O-O Bc8-d7 Qe2-h5 Bb6-e3 Kc1-b1
10(15)& 0:07.03 1623835 +0.90 h6xg5 h4xg5 Nf6-h7 f3-f4 Rf8-e8
O-O-O Bc8-f5 Qe2-f3 Bf5-e6 Bf1-b5
10(15). 0:11.86 2905449 +0.90 h6xg5 h4xg5 Nf6-h7 f3-f4 Rf8-e8
O-O-O Bc8-f5 Qe2-f3 Bf5-e6 Bf1-b5
11(17)& 0:21.26 5197350 +1.17 h6xg5 h4xg5 Nf6-g4 f3xg4 Qd8xg5
g2-g3 Nc6-e5 Rh1-h5 Qg5xg4 O-O-O Bb6-e3
Kc1-b1 (Qg4xg3)
11(17). 0:29.71 7459831 +1.17 h6xg5 h4xg5 Nf6-g4 f3xg4 Qd8xg5
g2-g3 Nc6-e5 Rh1-h5 Qg5xg4 O-O-O Bb6-e3
Kc1-b1 (Qg4xg3)
12(20)& 0:44.05 10986140 +1.15 h6xg5 h4xg5 Nf6-g4 f3xg4 Qd8xg5
g2-g3 Nc6-e5 Nb3-d2 Ne5xg4 O-O-O Ng4-f2
Rh1-h5
12(20). 0:56.19 14280402 +1.15 h6xg5 h4xg5 Nf6-g4 f3xg4 Qd8xg5
g2-g3 Nc6-e5 Nb3-d2 Ne5xg4 O-O-O Ng4-f2
Rh1-h5
Richard.
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