Author: Rob Shultz
Date: 09:53:56 05/06/99
Go up one level in this thread
On May 06, 1999 at 00:47:29, Paulo Soares wrote: >[Event "K6400"] >[Site "?"] >[Date "1999.05.03"] >[Round "?"] >[White "Nimzo2000"] >[Black "Hiarcs7"] >[Result "1-0"] > >1. c3 d5 2. d4 e6 3. Bf4 Nf6 4. e3 c5 5. Nf3 Nc6 >6. Bd3 Bd6 7. Bxd6 Qxd6 8. Nbd2 e5 9. dxe5 Nxe5 >10. Nxe5 Qxe5 11. Nf3 Qc7 12. Bb5+ Bd7 13. Bxd7+ Qxd7 >14. Ne5 Qb5 15. Qd3 Qxb2 16. Rb1 Qa3 17. Qb5+ Ke7 >18. O-O b6 19. Qc6 Rac8 20. Qb7+ Ke6 21. f4 Rhg8 >22. f5 1-0 > >A game between Nimzo2000 and Hiarcs7, in tourmanent level,in K6-400. >It was placed here, in the CCC, for Marcus Kaestner. I am interested in >two positions of this game, below I place those positions with >some tests and comments. The tests had been made in a PII-300, >HT=32Mb(HT=40Mb for Rebel10.0c and System Tiger), with 270(180*1.5) >seconds for each move. > >First Position: 15....? >r3k2r/pp3ppp/5n2/1qppN3/8/2PQP3/PP3PPP/R3K2R b - - >In this position Fritz versions 1.2, 3.1, 4.01 and 5.00 , Crafty16.6 >and CometB00, as Fritz5.32 engines, Fritz5.32, Rebel10.c, System >Tiger and Genius6, don't play 15....Qxb2?!, that was played by >Hiarcs7. > When I let Crafty 16.6 run thru the Fritz5.32 interface here is the line I got. New position r3k2r/pp3ppp/5n2/1qppN3/8/2PQP3/PP3PPP/R3K2R b KQkq - 0 1 Analysis by Crafty 16.6: 1...c4 = (0.00) depth: 8 00:00:00 1334kN 1...c4 = (0.00) depth: 8 00:00:00 1334kN 1...c4 = (0.00) depth: 8 00:00:00 1334kN 1...c4 = (0.00) depth: 8 00:00:00 1334kN 1...c4 = (0.00) depth: 8 00:00:00 1334kN 1...c4 = (0.00) depth: 8 00:00:00 1334kN 1...c4 = (0.00) depth: 8 00:00:00 2kN 1...c4 = (0.00) depth: 8 00:00:00 2kN 1...c4 = (0.00) depth: 8 00:00:00 2kN 1...c4 = (0.00) depth: 9 00:00:00 4kN 1...c4 2.Qd2 0-0 3.a4 Qe8 4.Qd4 Qe6 5.0-0 Rae8 6.Nf3 = (0.05) depth: 10 00:00:02 724kN 1...Qb6 2.0-0-0 0-0 3.Qf5 Rae8 4.Nd7 Nxd7 5.Qxd7 Rd8 6.Qe7 Qb5 = (0.04) depth: 10 00:00:10 2583kN 1...Qxb2 2.Rb1 Qa3 3.Qb5+ Ke7 4.Qxb7+ Ke6 5.Nxf7 Qxc3+ 6.Ke2 Qc2+ 7.Ke1 Rab8 8.Ng5+ Kf5 = (-0.04) depth: 10 00:00:15 4081kN 1...Qxb2 2.Rb1 Qa3 3.Qb5+ Ke7 4.Qxb7+ Ke6 5.Nxf7 Qxc3+ 6.Kf1 Rhb8 7.Qc6+ Kf5 8.Rxb8 Qc1+ 9.Ke2 Qc2+ 10.Kf3 Rxb8 = (-0.17) depth: 11 00:00:24 6635kN 1...Qxb2 2.Rb1 Qxa2 3.Qb5+ Ke7 4.Qxb7+ Ke6 5.Nxf7 Rab8 6.Ng5+ Kf5 7.g4+ Kxg4 8.Qxb8 Rxb8 9.Rg1+ Kf5 10.Rxb8 = (-0.13) depth: 12 00:01:12 19264kN 1...Qxb2 2.Rb1 Qxa2 3.Qb5+ Ke7 4.Qxb7+ Ke6 5.Nd3 Qc4 6.Nf4+ Kf5 7.Qxf7 Qxc3+ 8.Kf1 Rhg8 9.Qe6+ Kg5 10.Nh3+ Kh6 11.Kg1 ³ (-0.37) depth: 13 00:03:02 48049kN I ran it on a PII 450 with 32MEG hash. I wonder why my Crafty 16.6 will play Qxb2 and yours will not?? Nimzo 99a also wants to plays Qxb2 for quite a while on my PII 450 with 44 MEG hash. ( I cut most of the analysis out to save length) New position r3k2r/pp3ppp/5n2/1qppN3/8/2PQP3/PP3PPP/R3K2R b KQkq - 0 1 Analysis by Nimzo '99: 1...Qxb2 2.Rb1 Qa3 3.Rxb7 0-0 4.0-0 Rab8 5.Rc7 Qxa2 = (-0.22) depth: 12/28 00:05:59 123358kN 1...c4 = (-0.23) depth: 12/28 00:06:30 133305kN 1...c4 2.Qc2 0-0 3.0-0 Ne4 4.Rad1 Rfe8 5.Nf3 b6 ³ (-0.30) depth: 12/28 00:07:23 149828kN >Second position:16....? >r3k2r/pp3ppp/5n2/2ppN3/8/2PQP3/Pq3PPP/1R2K2R b - - >Here, Fritz5.32, Rebel10.0c, System Tiger and Genius6, play 16....c4, >the only move to continue the game. Hiarcs7 plays 16....Qa3? > >I know that a game is very little to arrive at some conclusion, >but it's curious to observe as a strong program as Hiarcs7, >considered positional, commits first an positional error >(15....Qxb2?!) and soon to follow, plays a bad move >(16....Qa3?). > >Regards, > >Paulo Soares, from Brazil.
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