Author: Phil Dixon
Date: 13:56:35 03/31/99
Go up one level in this thread
On March 31, 1999 at 15:50:11, Rob Shultz wrote: >On March 31, 1999 at 14:02:35, Jon Dart wrote: > >>Here is an interesting position from a game my program >>played on FICS recently: >> >>r1r2k2/1p4pQ/1n1bp2p/p2n1p2/P2P2Nq/1B5P/1P3PP1/R1BR2K1 w - f6 >> >>White (the human player) played Re1, leaving the Knight hanging, >>and won, after fxg4 Rxe6 Rxc1+ Rxc1 Qg5 Rce1 gxh3 Re8+ Kf7. >>Very impressive, especially in a blitz game! However, my program >>did not find the best defense : fxg4 Rxe6 gxh3, etc. >> >>Crafty 16.5 likes Re1, but it takes a long time to see it, and >>even then, with the amount of time I gave it, assigned it only >>a small plus score. I'm not sure it's enough better than the >>alternatives to be a "best move". Here is the output: >> >> 11 2:49 -0.37 1. Ne3 Qh5 2. Nxd5 Nxd5 3. Bd2 Kf7 >> 4. Bxd5 exd5 5. Bxh6 Bf8 6. b4 Qxh6 >> 7. Qxf5+ Qf6 8. Qxd5+ >> 11 5:37 ++ 1. Re1!! >> 11 6:20 0.10 1. Re1 fxg4 2. Rxe6 gxh3 3. Qf5+ Nf6 >> 4. Rxd6 h2+ 5. Kh1 Nc4 6. Rd7 b6 7. >> d5 >> 11-> 7:39 0.10 1. Re1 fxg4 2. Rxe6 gxh3 3. Qf5+ Nf6 >> 4. Rxd6 h2+ 5. Kh1 Nc4 6. Rd7 b6 7. >> d5 >> 12 11:31 0.08 1. Re1 fxg4 2. Rxe6 gxh3 3. Qf5+ Nf6 >> 4. Rxd6 h2+ 5. Kh1 Nc4 6. Rd7 b6 7. >> d5 Qg4 >> 12-> 15:35 0.08 1. Re1 fxg4 2. Rxe6 gxh3 3. Qf5+ Nf6 >> 4. Rxd6 h2+ 5. Kh1 Nc4 6. Rd7 b6 7. >> d5 Qg4 >> 13 26:30 0.06 1. Re1 fxg4 2. Rxe6 gxh3 3. Qf5+ Nf6 >> 4. Rxd6 Nc4 5. Rd7 h2+ 6. Kh1 <HT> >> time=33:20 cpu=99% mat=0 n=344343893 fh=94% nps=172105 >> ext-> checks=20911812 recaps=1000315 pawns=174053 1rep=1446615 >> predicted=0 nodes=344343893 evals=34920023 >> endgame tablebase-> probes done=0 successful=0 plimit=17 >> hashing-> trans/ref=19% pawn=4% used=99% >> >>Here is the whole game: >> >>[Event "?"] >>[Site "FICS"] >>[Date "1999.03.30"] >>[Round "?"] >>[White "bielg"] >>[Black "Arasan 5.1"] >>[Result "1-0"] >>[ECO "D18"] >>[WhiteELO "2227"] >>[BlackELO "2270"] >>[TimeControl "120+12"] >> >>1. Nf3 d5 2. d4 c6 3. c4 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 >>Bb4 8. O-O Nbd7 9. h3 O-O 10. Qb3 c5 11. Nh4 Bxc3 12. Nxf5 Bb4 >>13. Ng3 Nb6 14. Bd3 a5 15. Rd1 cxd4 16. exd4 Nfd5 17. Ne4 Qh4 18. Ng5 >>h6 19. Bh7+ Kh8 20. Nf3 Qf6 21. Bc2 Kg8 22. Qd3 Rfc8 23. Qh7+ Kf8 >>24. Ne5 Bd6 25. Ng4 Qh4 26. Bb3 f5 27. Re1 fxg4 28. Rxe6 Rxc1+ >>29. Rxc1 Qg5 30. Rce1 gxh3 31. Re8+ Kf7 1-0 > >Here is what Fritz 5.32 thought about the position: >New position >r1r2k2/1p4pQ/1n1bp2p/p2n1p2/P2P2Nq/1B5P/1P3PP1/R1BR2K1 w - - 0 1 > >Analysis by Fritz 5.32: > >1.Bxd5 Nxd5 2.Qh8+ Kf7 > ³ (-0.53) depth: 1/6 00:00:00 >1.Ne5 > = (0.00) depth: 1/8 00:00:00 >1.Ne5 Bxe5 2.dxe5 > ² (0.28) depth: 2/7 00:00:00 >1.Ne5 Bxe5 2.dxe5 Nc4 3.Qh8+ Kf7 > ² (0.38) depth: 3/11 00:00:00 2kN >1.Ne5 Qf6 2.Re1 Bxe5 3.Rxe5 > ² (0.31) depth: 4/19 00:00:00 6kN >1.Ne5 Bxe5 2.dxe5 Nc4 3.Bxc4 Qxc4 4.Qh8+ Kf7 > ² (0.38) depth: 5/23 00:00:00 31kN >1.Ne5 Bxe5 2.dxe5 Qe4 3.Bd2 Qxe5 4.Qh8+ Kf7 > = (0.00) depth: 6/23 00:00:00 89kN >1.Ne3 > = (-0.12) depth: 6/26 00:00:00 170kN >1.Ne3 Qf6 2.Nxd5 Nxd5 3.Re1 Qxd4 4.Rxe6 > = (0.09) depth: 6/26 00:00:00 222kN >1.Ne3 Nf4 2.d5 Ne2+ 3.Kh1 Nxc1 4.Raxc1 Rxc1 5.Rxc1 Qxf2 > = (0.00) depth: 7/29 00:00:02 761kN >1.Ne3 Qf6 2.Nxd5 Nxd5 3.Re1 Kf7 4.Bxd5 exd5 5.Bxh6 Qxh6 > = (0.00) depth: 8/29 00:00:05 1811kN >1.Ne3 Qf6 2.Nxd5 Nxd5 3.Bxd5 exd5 4.Rd3 Re8 5.Bd2 Bc7 > = (0.00) depth: 9/34 00:00:12 4668kN >1.Ne3 Qf6 2.Nxd5 Nxd5 3.Bxd5 exd5 4.Rd3 f4 5.Bd2 Kf7 > = (-0.09) depth: 10/35 00:00:31 12323kN >1.Ne3 Qf6 2.Nxd5 Nxd5 3.Bxd5 exd5 4.Rd3 Re8 5.Bd2 Kf7 > = (-0.12) depth: 11/35 00:01:21 32413kN >1.Re1 > = (-0.09) depth: 11/38 00:03:18 77095kN >1.Re1 fxg4 2.Rxe6 gxh3 3.Qf5+ Nf6 4.Rxd6 hxg2 5.Kxg2 Nc4 > = (0.16) depth: 11/38 00:04:31 108843kN >1.Re1 fxg4 2.Rxe6 gxh3 3.Qf5+ Nf6 4.Rxd6 hxg2 5.Kxg2 Nc4 > = (0.00) depth: 12/42 00:07:14 179001kN >1.Re1 > ² (0.31) depth: 13/44 00:23:56 607207kN >1.Re1 fxg4 2.Rxe6 gxh3 3.Qf5+ Nf6 4.Rxd6 hxg2 5.Kxg2 Nc4 > = (0.25) depth: 14/43 01:07:04 1603840kN > > >Rob I haven't looked at this position yet, but how do you get the readout (PV) from Fritz 5.32, Rob? If somebody can explain this to me in SIMPLE terms, maybe I can figure it out then. Phil
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