Author: John Merlino
Date: 19:11:20 08/19/02
Go up one level in this thread
On August 19, 2002 at 21:25:16, Eran wrote: >Anand won the last game against Ponomariov yesterday August 19. > >Look at the last 3 lines of the Shredder's analysis below. > >Both Fritz7 and Gambit Tiger 2 (aggressive) played 25.Qf3. Please see below >after Shredder's analysis. How about Junior 7 and Shredder 6 please? > >All the chess programs were analyzed under Fritz7 GUI. >126 MB hashtable >The engine parameters of those programs were at default. >Pentium III 1000 MHz > >Anand,V - Ponomariov,R >[D]6k1/1bq1bpp1/pp2pn1p/4N2N/PnB1P3/1P5P/1B2QPP1/6K1 w - - 0 1 > >Analysis by Shredder 5: > >25.Nxf6+ Bxf6 > = (0.03) Depth: 1/2 00:00:00 >25.Nxf6+ Bxf6 26.Qg4 Bxe5 27.Bxe5 Qxe5 28.Bxe6 > = (-0.24) Depth: 2/4 00:00:00 >25.Nxf6+ Bxf6 26.Bc3 Bxe5 27.Bxb4 > ³ (-0.30) Depth: 2/4 00:00:00 >25.Ng3 Nh5 > = (-0.25) Depth: 2/4 00:00:00 >25.Ng3 Qc5 > = (-0.24) Depth: 2/4 00:00:00 >25.Qf3 Kh8 > = (-0.21) Depth: 2/4 00:00:00 >25.Qf3 Qc5 26.Nxf6+ Bxf6 > = (-0.17) Depth: 2/4 00:00:00 >25.Nd3 Nxh5 26.Qxh5 > = (-0.16) Depth: 2/4 00:00:00 >25.Nd3 Nxh5 26.Nxb4 Bxb4 27.Qxh5 > = (-0.06) Depth: 2/4 00:00:00 >25.Nd3 Nxh5 26.Nxb4 Bxb4 27.Qxh5 > = (-0.06) Depth: 3/6 00:00:00 >25.Nd3 Nxh5 26.Qxh5 Nxd3 27.Bxd3 Qd6 > = (-0.21) Depth: 4/8 00:00:00 >25.Qf3 Bc6 > = (-0.20) Depth: 4/8 00:00:00 >25.Qf3 Qd6 26.Nxf6+ Bxf6 27.Qh5 Qc7 > = (0.02) Depth: 4/8 00:00:00 >25.Qf3 Qd6 26.Nxf6+ Bxf6 27.Bc3 > = (-0.23) Depth: 5/10 00:00:00 >25.Qf3 Qd6 26.Bc3 Qc5 27.Nxf6+ Bxf6 28.Qf4 > ³ (-0.29) Depth: 5/10 00:00:00 >25.Nxf6+ Bxf6 26.f4 Qc5+ 27.Kh2 Bg5 28.fxg5 Qg1+ 29.Kxg1 > ³ (-0.28) Depth: 5/10 00:00:00 >25.Nxf6+ Bxf6 26.f4 Be7 27.Qe3 Bc5 28.Bd4 > = (-0.16) Depth: 5/10 00:00:00 >25.Nxf6+ Bxf6 26.f4 Qc5+ 27.Kh2 Kf8 28.Nd7+ Kg8 29.Bxf6 gxf6 > = (-0.12) Depth: 6/12 00:00:00 68kN >25.Nxf6+ Bxf6 26.f4 Be7 27.Bc3 Bc5+ 28.Kh2 a5 29.Bb2 Qd6 > ³ (-0.29) Depth: 7/14 00:00:01 211kN >25.Qf3 Qd6 26.Bc3 Nxe4 27.Bxb4 Qxb4 28.Qxf7+ Kh7 > ³ (-0.28) Depth: 7/14 00:00:01 249kN >25.Qf3 Qd6 26.Bc3 a5 27.Bb2 Qc5 28.Nxf6+ Bxf6 29.Qf4 > = (-0.16) Depth: 7/14 00:00:01 328kN >25.Qf3 Qd6 26.Bf1 Qd8 27.Nxf6+ Bxf6 28.Nc4 Bxb2 29.Be2 Nc2 30.Nxb2 Kf8 > = (-0.18) Depth: 8/16 00:00:02 539kN >25.Nd3 Nxd3 26.Nxf6+ Bxf6 27.Bxf6 Ne5 28.Bxe5 Kf8 29.Bxc7 > = (-0.17) Depth: 8/16 00:00:03 628kN >25.Nd3 Nxh5 26.Nxb4 Bxb4 27.Qxh5 Qf4 28.Qe5 Qxe5 29.Bxe5 > = (-0.16) Depth: 8/16 00:00:03 656kN >25.Nd3 Nxh5 26.Qxh5 Nxd3 27.Bxd3 Bd6 28.e5 Bc5 29.Qe2 a5 30.Be4 > = (-0.14) Depth: 9/18 00:00:04 866kN >25.Nd3 Nxh5 26.Nxb4 Bxb4 27.Qxh5 Bd6 28.e5 Bc5 29.Qe2 a5 30.Qd3 > = (-0.05) Depth: 10/20 00:00:08 1908kN >25.Nd3 Nxh5 26.Qxh5 Nxd3 27.Bxd3 Bb4 28.Qe2 a5 29.e5 Qc6 30.Qg4 Bc3 31.Be4 Qc7 >32.Bxc3 Bxe4 > = (-0.09) Depth: 11/22 00:00:18 4406kN >25.Nd3 Nxd3 26.Nxf6+ Bxf6 27.Bxf6 Nxf2 28.Qxf2 gxf6 29.Qxf6 Qc5+ > = (-0.06) Depth: 12/24 00:00:55 13375kN >25.Nxf7 Kxf7 26.Nxg7 Kxg7 27.Qg4+ Kh8 28.Qh5 Bf8 29.Bxf6+ Bg7 30.Qxh6+ Kg8 >31.Bxe6+ > = (-0.05) Depth: 12/24 00:01:29 21626kN >25.Nxf7 Kxf7 26.Nxg7 Kxg7 27.Qg4+ Kh8 28.Qh5 Kg7 29.Qg4+ Kh8 > = (0.00) Depth: 12/24 00:01:34 23193kN >25.Nxf7 Kxf7 26.Nxg7 Kxg7 27.Qg4+ Kh8 28.Qh5 Kg7 29.Qg4+ Kh8 > = (0.00) Depth: 13/26 00:02:34 37494kN >25.Nxf7 Kxf7 26.Nxg7 Kxg7 27.Qg4+ Kh8 28.Qh5 Kg7 29.Qg4+ Kh8 > = (0.00) Depth: 14/28 00:08:51 127058kN > >(Eran, MyTown 20.08.2002) > > >****************************************************************************************** > >Anand,V - Ponomariov,R >6k1/1bq1bpp1/pp2pn1p/4N2N/PnB1P3/1P5P/1B2QPP1/6K1 w - - 0 1 > >Analysis by Fritz 7: > >25.Qf3-- > = (0.03) Depth: 7/27 00:00:00 186kN >25.Qf3 b5 26.axb5 axb5 27.Bd3 Nxd3 28.Nxf6+ Bxf6 29.Nxd3 Bxb2 > = (-0.03) Depth: 7/27 00:00:00 206kN >25.Nd3! > = (0.00) Depth: 7/27 00:00:00 411kN >25.Nd3 Nxd3 26.Bxd3 Nxh5 27.Qxh5 Qf4 28.Qe5 Qxe5 29.Bxe5 Bc5 > = (0.13) Depth: 7/27 00:00:00 442kN >25.Nd3 Nxh5 26.Qxh5 Bxe4 27.Qg4 Bg6 28.Nxb4 Bxb4 29.Qd4 e5 30.Qxe5 Qxe5 > = (0.06) Depth: 8/22 00:00:01 575kN >25.Nd3 Nxe4 26.Nxb4 Bxb4 27.Bxa6 Bxa6 28.Qxe4 Bf8 29.Ng3 b5 > = (0.03) Depth: 9/25 00:00:03 1265kN >25.Nd3 Nxd3 26.Bxd3 Nxh5 27.Qxh5 Qd6 28.Qg4 Bg5 29.Qe2 Qf4 30.g3 Qd2 31.Qxd2 > = (0.09) Depth: 10/31 00:00:07 3237kN >25.Nd3 Nxd3 26.Bxd3 Nxh5 27.Qxh5 Bg5 28.Qg4 Qd6 29.Qe2 Qb4 30.Bc4 > = (0.06) Depth: 11/30 00:00:16 8173kN >25.Nd3 Nxd3 26.Bxd3 Nxh5 27.Qxh5 Bd6 28.e5 Bc5 29.Bc4 Qd8 30.Bc3 Bd4 31.Bb4 Qc7 > = (0.03) Depth: 12/34 00:00:37 19025kN >25.Qf3! > = (0.06) Depth: 12/34 00:01:04 33758kN >25.Qf3 Qd8 26.Bf1 Nc2 27.Bc3 Qc7 28.Be2 Bxe4 29.Nxf6+ Bxf6 30.Qxe4 Qxc3 > = (0.13) Depth: 12/34 00:01:37 51200kN >25.Qf3 Qd8 26.Bf1 Qc7 27.Nxg7 Bxe4 28.Qe3 Qc2 29.Qg3 Kh7 30.Bd4 Bf8 > = (0.13) Depth: 13/36 00:03:22 107967kN >25.Qf3 Qd8 26.Bf1 Qc7 27.Nxg7 Bxe4 28.Qe3 Qc2 29.Qg3 Kh7 30.Bd4 > = (0.09) Depth: 14/37 00:06:10 199383kN >25.Qf3 Qd8 26.Bf1 Qc7 27.Qf4 a5 28.Bc4 Bd8 29.Ng3 Be7 30.Qe3 > = (0.09) Depth: 15/44 00:19:03 621029kN > >(Eran, MyTown 20.08.2002) > > >******************************************************************************************* > >Anand,V - Ponomariov,R >6k1/1bq1bpp1/pp2pn1p/4N2N/PnB1P3/1P5P/1B2QPP1/6K1 w - - 0 1 > >Analysis by Gambit Tiger 2.0: > >25.Qf3 Kf8 26.Be2 Bxe4 27.Qg3 Nxh5 28.Bxh5 > ² (0.50) Depth: 7 00:00:00 108kN >25.Qf3 Qd8 26.Nxf6+ Bxf6 27.Bc3 Bxe5 28.Bxe5 Qg5 29.Bb2 > ² (0.38) Depth: 7 00:00:00 215kN >25.Qf3 Qd8 26.Bf1 Bd6 27.Nxf6+ Qxf6 28.Qxf6 gxf6 29.Nd7 > = (0.20) Depth: 8 00:00:01 405kN >25.Qf3 Qd8 26.Bf1 Qa8 27.Be2 Bxe4 28.Qg3 Qf8 29.Bd4 > = (0.20) Depth: 9 00:00:03 957kN >25.Qf3 Qd8 26.Bf1 Qd2 27.Bc3 Qg5 28.Nxf6+ Qxf6 29.Be2 Qxf3 30.Bxf3 > = (0.14) Depth: 10 00:00:08 2141kN >25.Nxg7 Kxg7 26.Qe3 Nxe4 27.Ng4+ Kf8 28.Qxh6+ Ke8 29.Qh8+ Bf8 30.Bg7 Qc5 31.Qg8 >Qe7 > = (0.22) Depth: 10 00:00:16 4593kN >25.Nxg7 Kxg7 26.Qe3 Nxe4 27.Ng4+ Kf8 28.Qxh6+ Ke8 29.Qh8+ Bf8 30.Bg7 Qc5 31.Qg8 >Qe7 32.Bb2 > = (0.14) Depth: 11 00:00:22 6380kN >25.Qf3 Qd8 26.Bf1 a5 27.Qf4 Qd1 28.Ng4 Nxg4 29.Qb8+ Bf8 30.Qxb7 Qxb3 > ² (0.36) Depth: 11 00:00:28 8003kN >25.Qf3 Qd8 26.Bf1 Qd2 27.Bc3 Qg5 28.Nxf6+ gxf6 29.Nd7 Qg6 30.Bxb4 > ² (0.46) Depth: 12 00:01:04 18397kN >25.Qf3 Qd8 26.Bf1 Nc2 27.Qf4 Ba3 28.Bxa3 Nxa3 29.Bd3 b5 30.Nxf6+ Qxf6 31.Qxf6 >gxf6 32.Nd7 > ² (0.42) Depth: 13 00:02:01 35553kN >25.Qf3 Qd8 26.Bf1 a5 27.Bc3 Na2 28.Ba1 Nc1 29.Bb5 Qd2 30.Nxf6+ Bxf6 31.Be8 Qe1+ >32.Kh2 Bxe5+ 33.Bxe5 f6 34.Bc3 > = (0.24) Depth: 14 00:04:26 79519kN >25.Qf3 Qd8 26.Bf1 a5 27.Bc3 Na2 28.Ba1 Nb4 29.Bb2 Qd2 30.Nxf6+ Bxf6 31.Nc4 Qg5 >32.Bxf6 Qxf6 33.Nxb6 Qxf3 > ² (0.38) Depth: 15 00:21:58 414339kN > >(Eran, MyTown 20.08.2002) > >Eran The situation is that programs that think that White has an advantage will not play Nxf7, which leads to a draw. Fritz and Tiger think that White is winning. Shredder thinks that White is losing, and settles for the draw. Perhaps Anand was going for the draw as well? Chessmaster 9000 (on a moderately busy PIII-600) agrees with Fritz and Tiger: Time Depth Score Positions Moves 0:00 1/3 -0.23 1759 1.Ng3 Bd6 2.Nd3 Nxd3 3.Qxd3 0:00 1/3 0.05 2209 1.Qf3 Qd6 2.Nxf6+ Bxf6 0:00 1/4 0.15 7178 1.Qf3 Qd6 2.Bc3 b5 3.axb5 axb5 4.Nxf6+ Bxf6 0:00 1/5 0.01 20947 1.Qf3 Qd6 2.Bc3 Nc2 3.Nxf6+ Bxf6 0:01 1/6 0.03 94052 1.Qf3 b5 2.axb5 axb5 3.Bf1 Bd8 4.Nd3 Nxd3 5.Bxd3 Nxh5 6.Qxh5 0:03 1/7 0.00 228992 1.Qf3 b5 2.axb5 axb5 3.Bxb5 Qc2 4.Nxf6+ Bxf6 5.Bc3 Qb1+ 6.Bf1 Qxe4 7.Qxe4 Bxe4 0:06 1/7 0.05 388034 1.Nxf6+ Bxf6 2.f4 Qd6 3.Kh2 Nc6 4.Bxa6 Bxa6 5.Qxa6 Bxe5 6.fxe5 Nxe5 7.Bxe5 Qxe5+ 8.g3 0:10 1/8 0.01 692663 1.Nxf6+ Bxf6 2.f4 Qd6 3.Kh2 a5 4.Bb5 Nc6 5.Nxc6 Bxb2 6.Qxb2 Bxc6 7.Bxc6 Qxc6 0:36 1/9 0.12 2611653 1.Nxf6+ Bxf6 2.f4 a5 3.Bb5 Bxe5 4.Bxe5 Qc5+ 5.Kh2 Nc6 6.Bb2 Nd4 1:22 1/10 0.00 6269667 1.Nxf6+ Bxf6 2.f4 a5 3.Bb5 Na2 4.Bc4 Nb4 5:58 2/11 0.02 26742916 1.Nxf6+ Bxf6 2.f4 a5 3.Bb5 Na2 4.Be8 Kf8 5.Qb5 Nc3 6.Bxc3 Qxc3 7.Bxf7 Qc1+ 8.Kh2 Qxf4+ 9.Kh1 6:58 2/11 0.05 31250865 1.Qf3 Qd8 2.Bf1 Qc7 3.Qf4 Bd8 4.Qd2 Nxh5 5.Qxb4 Bf6 6.Qc3 After forcing Nxf7 Kxf7 Nxg7 Kxg7, CM9000 sees only a draw score.... jm
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.