Author: Vincent Lejeune
Date: 09:37:20 04/28/04
Go up one level in this thread
On April 27, 2004 at 21:23:40, Andrew Wagner wrote:
>On ICC, a few of us were talking about the importance of not bailing out of an
>attack for a free pawn. I was reminded of this game I played a little over a
>year ago:
>
>[Event "ICC 45 45"]
>[Site "Internet Chess Club"]
>[Date "2003.01.10"]
>[Round "-"]
>[White "Porcupine"]
>[Black "ChessicStudent"]
>[Result "0-1"]
>[ICCResult "White resigns"]
>[WhiteElo "1646"]
>[BlackElo "1553"]
>[Opening "French: Steinitz variation"]
>[ECO "C11"]
>[NIC "FR.04"]
>[Time "21:15:06"]
>[TimeControl "2700+45"]
>
>1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 f6 6. f4 c5 7. c3 Nc6 8. Nf3
>Qb6 9. g3 cxd4 10. cxd4 Bb4+ 11. Nc3 O-O 12. a3 Bxc3+ 13. bxc3 fxe5 14. fxe5
>Ndxe5 15. dxe5 Nxe5 16. Bf4 Rxf4 17. gxf4 Qe3+ 18. Be2 Nxf3+ 19. Kf1 Nd2+
>20. Ke1 Ne4 21. Qc1 Qxc3+ 22. Qxc3 Nxc3 23. Bg4 Bd7 24. Rf1 Rf8 25. Kd2 Ne4+
>26. Ke3 g6 27. h4 h5 28. Bh3 Kf7 29. Rac1 Bc6 30. Kd4 Kf6 31. Rc2 Rc8 32.
>Rg1 Nd6 33. Bf1 Nf5+ 34. Kc3 Ba4+ {White resigns} 0-1
>
>Position after 21. Qc1: [d] r1b3k1/pp4pp/4p3/3p4/4nP2/P1P1q3/4B2P/R1Q1K2R b - -
>
>How long does your program take to find not only the obvious Qf2+ (instead of
>taking the pawn), but the whole correct line: 21...Qf2+ 22. Ke1 Bd7!
>(threatening Ba4+) 23. a4 Rc8! (idea being Ra3 Bxa4+!) Takes crafty about 4
>seconds to see Rc8 from this position. In the game, I saw up to Ra3, but missed
>the Bxa4 idea. Unfortunate, but a good lesson to learn from. Andrew
Indeed, easy position, Shredder 8 take less than 1 sec to see the 4 first moves
!
Nouvelle partie,
r1b3k1/pp4pp/4p3/3p4/4nP2/P1P1q3/4B2P/R1Q1K2R b - - 0 1
Analysis by Shredder 8:
1...Dxc1+ 2.Txc1
² (0.45) Profondeur: 1/2 00:00:00
1...Dxc1+ 2.Txc1
² (0.62) Profondeur: 1/2 00:00:00
1...Dxc3+ 2.Dxc3 Cxc3
µ (-1.01) Profondeur: 1/3 00:00:00
1...Dxc3+ 2.Dxc3 Cxc3
µ (-1.01) Profondeur: 1/3 00:00:00
1...Dc5
-+ (-2.41) Profondeur: 1/4 00:00:00
1...Dc5
-+ (-2.41) Profondeur: 1/4 00:00:00
1...Dc5 2.Tf1 Cxc3
-+ (-2.19) Profondeur: 2/6 00:00:00
1...Df2+ 2.Rd1 Fd7
-+ (-2.61) Profondeur: 2/6 00:00:00
1...Df2+ 2.Rd1 Fd7
-+ (-2.61) Profondeur: 2/6 00:00:00
1...Df2+ 2.Rd1 Fd7 3.Tb1
-+ (-2.59) Profondeur: 3/8 00:00:00
1...Df2+ 2.Rd1 Fd7 3.Te1 Fa4+ 4.Dc2
-+ (-2.85) Profondeur: 4/8 00:00:00
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8
-+ (-3.27) Profondeur: 4/8 00:00:00
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8 4.Tf1 Dxh2
-+ (-3.44) Profondeur: 5/16 00:00:00
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8 4.Tf1 Dxh2 5.c4 dxc4
-+ (-3.42) Profondeur: 6/14 00:00:00
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8 4.Dc2 Cxc3+ 5.Rc1 Dxe2
-+ (-3.67) Profondeur: 7/16 00:00:00 17kN
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8 4.Tf1 Cxc3+ 5.Dxc3 Dxf1+ 6.Fxf1 Txc3
-+ (-3.93) Profondeur: 7/24 00:00:00 29kN
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8 4.Tf1 Cxc3+ 5.Dxc3 Dxf1+ 6.Fxf1 Txc3 7.Re2
-+ (-3.90) Profondeur: 8/20 00:00:00 53kN
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8 4.Tf1 Cxc3+ 5.Dxc3 Dxf1+ 6.Fxf1 Txc3 7.Rd2 Tf3
-+ (-3.78) Profondeur: 9/24 00:00:00 89kN
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8 4.Tf1 Cxc3+ 5.Dxc3 Dxf1+ 6.Fxf1 Txc3 7.Rd2 Tf3 8.Fb5
Fxb5 9.axb5
-+ (-3.84) Profondeur: 10/28 00:00:00 175kN
1...Df2+ 2.Rd1 Fd7 3.a4 Dc5 4.Tf1 Cxc3+ 5.Re1 Tc8 6.Dc2 Db4 7.Dd2 Fxa4 8.Tc1 Dc5
-+ (-3.89) Profondeur: 11/33 00:00:02 596kN
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8 4.Tf1 Dxh2 5.c4 Dg3 6.Tf3 Dg1+ 7.Rc2 Txc4+ 8.Tc3
Txc3+ 9.Rb1 Txc1+ 10.Ra2 Fxa4
-+ (-4.14) Profondeur: 12/33 00:00:03 1043kN
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8 4.Tf1 Dxh2 5.Tf3 d4 6.cxd4 Txc1+ 7.Txc1
-+ (-4.28) Profondeur: 12/34 00:00:03 1288kN
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8 4.Tf1 Dxh2 5.De3 Cxc3+ 6.Re1 d4 7.Df2 Dxf2+ 8.Rxf2
Fxa4 9.Tfc1
-+ (-4.19) Profondeur: 13/36 00:00:05 2133kN
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8 4.Tf1 Dxh2 5.De3 Cxc3+ 6.Re1 Ce4 7.Rd1 Tc5 8.Tf3 b6
9.Ta3 Df2 10.Txf2 Fxa4+ 11.Txa4
-+ (-4.30) Profondeur: 14/38 00:00:09 3593kN
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8 4.Tf1 Dxh2 5.De3 Cxc3+ 6.Re1 Ce4 7.Rd1 Dh4 8.Dd4
Cc3+ 9.Rd2 Dh2 10.De3 d4 11.Th1 dxe3+ 12.Re1 Dxh1+ 13.Ff1 Fxa4
-+ (-4.38) Profondeur: 15/40 00:00:15 5956kN
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8 4.Tf1 Dxh2 5.Tf3 d4 6.c4 Cc3+ 7.Txc3 dxc3 8.Dxc3
Dxf4 9.Ta2 Td8 10.Rc2
-+ (-4.57) Profondeur: 16/46 00:00:34 14589kN
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8 4.Tf1 Dxh2 5.Tf3 e5 6.Ta2 Cxc3+ 7.Re1 Cxa2 8.fxe5
Txc1+ 9.Rd2 Fxa4 10.Re3 Dxe5+ 11.Rf2 Dxe2+ 12.Rg3 Rh8
-+ (-4.82) Profondeur: 17/49 00:01:24 36743kN
1...Df2+ 2.Rd1 Fd7 3.a4 Tc8 4.Tf1 Dxh2 5.c4 Dg3 6.Tf3 Dg1+ 7.Tf1 Dd4+ 8.Re1 dxc4
9.Ta2 Dd5 10.a5 c3 11.Dc2 Dxa2 12.Dxa2 c2 13.Da1 c1D+
-+ (-5.32) Profondeur: 17/50 00:03:13 86730kN
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