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Subject: Re: IPCCC 2003, last round pairings. FRITZ will win this year!

Author: Jeff Lischer

Date: 10:32:23 02/23/03

Go up one level in this thread


On February 23, 2003 at 01:17:56, Jeremiah Penery wrote:

>On February 22, 2003 at 15:56:53, John Merlino wrote:
>
>>[Event "113'/40+53'"]
>>[Site "Paderborn"]
>>[Date "2003.02.22"]
>>[Round "6"]
>>[White "Fritz Paderborn"]
>>[Black "Brutus"]
>>[Result "1-0"]
>>[ECO "B80"]
>>[PlyCount "83"]
>>[TimeControl "40/6780:0/0:3180"]
>>
>>1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. g4
>>Nfd7 9. Qd2 Nb6 10. O-O-O N8d7 11. Qf2 Bb7 12. Bd3 Rc8 13. Nce2 Be7 14. Kb1 O-O
>>15. h4 Na4 16. g5 Ndc5 17. Qg3 Qc7 18. Rc1 d5 19. e5 Qa5 20. h5 Nxb2 21. Kxb2
>>Ne4 22. fxe4 dxe4 23. Kb1 exd3 24. cxd3 Qa3 25. Rhd1 Bd5 26. Rd2 g6 27. Bf2 Qa4
>>28. Qg1 Qa3 29. Rcd1 Bb4 30. Rb2 Qa4 31. Nc2 Be7 32. Bd4 Bf3 33. Re1 Qa5 34. Nf4
>>Bb7 35. Rf1 Qa4 36. Bb6 a5 37. Qg4 Rc6 38. Be3 Ra6 39. Nd4 Rd8 40. hxg6 hxg6 41.
>>Nh5 Rf8 42. Qh3 1-0
>
>It seems 19. ... Qa5 is a blunder.  I don't understand why black didn't play
>Nxd3 or something instead.  Then later you have the brilliant Queen maneuvers
>Qa4-Qa3-Qa4-Qa5-Qa4.  Black is playing completely useless moves.  It's somewhat
>lucky that white didn't have a clue how to attack (27. Bf2 ??), because it
>should have been dead several moves sooner.  Moves like 21. Bxh7+ are
>interesting to analyze.


Shredder 7 thinks 21. Bxh7 is a killer...

 10/16	 0:00 	+1.39 	21.Kxb2 Nxd3+ (178.140) 214.3
 11/13	 0:01 	+1.39 	21.Kxb2 Nxd3+ (464.336) 242.7
 12/16	 0:04 	+1.39 	21.Kxb2 Nxd3+ (1.181.980) 251.6
 13/22	 0:38 	+1.24 	21.Kxb2 Nxd3+ (8.942.122) 231.3
 13/41	 2:39 	+1.25++	21.Bxh7+ Kh8 22.g6 Nc4 23.h6 Qb4+ 24.Nb3 Na3+ 25.Ka1 Nxc2+
26.Rxc2 Nxb3+ 27.axb3 Qxb3 28.gxf7 Qb1+ 29.Rxb1 g5 (34.427.111) 216.2
 13/42	 3:32 	+1.60++	21.Bxh7+ Kh8 22.g6 Nc4 23.h6 Qb4+ 24.Nb3 Na3+ 25.Ka1 Nxc2+
26.Rxc2 Nxb3+ 27.axb3 Qxb3 28.gxf7 Qb1+ 29.Rxb1 g5 30.Bxg5 Rxc2 (46.189.796)
217.5
 13/48	17:23 	+4.17 	21.Bxh7+ Kxh7 22.g6+ Kg8 23.h6 Nd1 24.Rcxd1 Qb4+ 25.Ka1
fxg6 26.Qxg6 Rf5 27.Nxf5 Qb2+ 28.Kxb2 (217.013.855) 207.9
 14/50	29:57 	+4.42++	21.Bxh7+ Kxh7 22.g6+ Kg8 23.h6 Nd1 24.Rcxd1 Qb4+ 25.Ka1
fxg6 26.Qxg6 Rf5 27.Nxf5 Qb2+ 28.Kxb2 exf5 (370.312.525) 205.9
 14/50	38:23 	+4.92++	21.Bxh7+ Kxh7 22.g6+ Kg8 23.h6 Nd1 24.Rcxd1 Qb4+ 25.Ka1
fxg6 26.Qxg6 Rf5 27.Nxf5 Qb2+ 28.Kxb2 (471.626.823) 204.7
 14/50	63:19 	+6.74 	21.Bxh7+ Kxh7 22.g6+ Kg8 23.h6 Qb4 24.hxg7 Nc4+ 25.Nb3 Na3+
26.Kb2 Nc4+ 27.Ka1 Nxb3+ 28.cxb3 Na5 29.gxf8Q+ Rxf8 30.gxf7+ Kxf7 31.Nd4 Nxb3+
32.Nxb3 Qa3 (776.410.159) 204.3
 15/51	102:27 	+6.99++	21.Bxh7+ Kxh7 22.g6+ Kg8 23.h6 Qb4 24.hxg7 Nc4+ 25.Nb3
Na3+ 26.Kb2 Nc4+ 27.Ka1 Nxb3+ 28.cxb3 Na5 29.gxf8Q+ Rxf8 30.gxf7+ Kxf7 31.Nd4
Nxb3+ 32.Nxb3 Bh4 (1.246.249.323) 202.7
 15/51	141:51 	+7.49++	21.Bxh7+ Kxh7 22.g6+ Kg8 23.h6 Qb4 24.hxg7 Nc4+ 25.Nb3
Na3+ 26.Kb2 Nc4+ 27.Ka1 Nxb3+ 28.cxb3 Na5 29.gxf8Q+ Rxf8 30.Rb1 Rc8 31.g7
(1.710.087.970) 200.9
 15/51	265:17 	+8.91 	21.Bxh7+ Kh8 22.g6 Rg8 23.h6 Nd1 24.Bxg8 Qa3 25.hxg7+ Kxg8
26.gxf7+ Kxf7 27.g8Q+ Rxg8 28.Rh7+ Ke8 (3.241.948.181) 203.6
best move: Bd3xh7 time: 316:38.989 min  n/s: 202.873  CPU 99.9%  nodes:
3.854.393.166



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