Author: Uri Blass
Date: 13:06:06 12/14/01
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On December 14, 2001 at 15:08:27, ALI MIRAFZALI wrote: >It is Strange for me that the Fritz family has a reputation of being a >tactical wizard while in fact my own research shows that the program >is tactically inferior to many other programs .Here is 3 positions and >a Comparison between Fritz6 and chessmaster 8000.The first position is from the >game Beliavsky vs Smirin (1989) >[D]4n1k1/1bp3b1/p1q4p/1p2n3/5N2/2P3N1/PP1r1PP1/1RQ1R1K1 b >here Beliavsky played 28...Rxf2!! The game ended 29.Kxf2 Nd3+ 30.Nxd3 Qxg2+ >31.Ke3 Nd6 32.Rf1 Nc4+ 33.Kf4 Qd5 34.Kg4 Bc8+ 35.Kh4 Qd8+ 36.Kh5 Qe8+ >37.Kh4 Qe7+ 38.Kh5 Ne3 0-1 >The position was tested on a 500 Mhz Computer .CM8000 finds 28...Rxf2!! in >53 seconds .While Fritz6 needs 1 Hour and 6 minutes to find 28...Rxf2!! I am not surprised because chessmaster is known to be stronger than other programs when mate attacks are involved. I guess that Deep Fritz may be stronger when there is tactics that is about winning a piece without mate threats. Deep Fritz(800 Mhz 64 mbytes hash) need here 45 seconds New position 4n1k1/1bp3b1/p1q4p/1p2n3/5N2/2P3N1/PP1r1PP1/1RQ1R1K1 b - - 0 1 Analysis by Deep Fritz: 1...Nc4 2.Nf5 Kh8 3.Nxg7 µ (-0.84) Depth: 3/16 00:00:00 1kN 1...Rd7! µ (-0.75) Depth: 5/19 00:00:00 18kN 1...Rd7! µ (-0.75) Depth: 5/19 00:00:00 18kN 1...Rd7! µ (-0.75) Depth: 5/19 00:00:00 18kN 1...Rd7! µ (-0.75) Depth: 5/19 00:00:00 18kN 1...Rd7! µ (-0.75) Depth: 5/19 00:00:00 18kN 1...Rd7! µ (-0.75) Depth: 5/19 00:00:00 18kN 1...Rd7! µ (-0.75) Depth: 5/19 00:00:00 18kN 1...Rd7! µ (-0.75) Depth: 5/19 00:00:00 18kN 1...Rd7! µ (-0.75) Depth: 5/19 00:00:00 18kN 1...Rd7! µ (-0.75) Depth: 5/19 00:00:00 18kN 1...Rd7! µ (-0.75) Depth: 5/19 00:00:00 18kN 1...Rd7! µ (-0.75) Depth: 5/19 00:00:00 18kN 1...Rd7! µ (-0.75) Depth: 5/19 00:00:00 18kN 1...Rd7! µ (-0.75) Depth: 5/19 00:00:00 18kN 1...Rd7! µ (-0.75) Depth: 5/19 00:00:00 18kN 1...Rd7 2.Qe3 Nd6 3.Rbd1 Ndc4 4.Qe2 Rxd1 µ (-0.84) Depth: 6/19 00:00:00 45kN 1...Rd7 2.Qe3 Nd6 3.Ngh5 Rf7 4.Nxg7 Rxf4 µ (-0.75) Depth: 7/24 00:00:00 121kN 1...Rd7 2.Qe3 Kh7 3.Ngh5 Bh8 4.Qg3 Rd2 5.Kh2 ³ (-0.53) Depth: 8/24 00:00:00 344kN 1...Qd7! ³ (-0.56) Depth: 8/25 00:00:00 410kN 1...Qd7! 2.Ne4 Bxe4 3.Rxe4 Qd6 4.Qe1 c5 5.Re2 Rxe2 6.Qxe2 ³ (-0.69) Depth: 8/27 00:00:01 894kN 1...Qd7 2.Ne4 Bxe4 3.Rxe4 Qd6 4.Qe1 c5 5.Ne6 Rd5 6.Nxg7 µ (-0.72) Depth: 9/27 00:00:02 1472kN 1...Qd7 2.Ne4 Bxe4 3.Rxe4 Nc4 4.Qe1 Ned6 5.Re7 Qf5 6.Qe6+ Kh7 7.Qxf5+ ³ (-0.66) Depth: 10/31 00:00:04 2761kN 1...Rd7! ³ (-0.69) Depth: 10/31 00:00:06 4213kN 1...Rd7! 2.Qe3 Nd6 3.Ngh5 Rf7 4.Rbd1 Nec4 5.Qe2 Ne4 6.Nxg7 Rxf4 µ (-0.78) Depth: 10/31 00:00:08 5065kN 1...Rd7 2.Qe3 Nd6 3.Ngh5 Rf7 4.Rbd1 Ndc4 5.Rd8+ Kh7 6.Qe2 Rf8 7.Rxf8 µ (-0.78) Depth: 11/30 00:00:13 8876kN 1...Rd7 2.Qe3 Nd6 3.Ngh5 Rf7 4.Qh3 Bc8 5.Qh4 Bf5 6.Rbc1 µ (-0.78) Depth: 12/34 00:00:30 19762kN 1...Rxf2! µ (-0.81) Depth: 12/34 00:00:45 30049kN 1...Rxf2! 2.Kxf2 Nd3+ 3.Nxd3 Qxg2+ 4.Ke3 Nd6 5.Nb4 Qxg3+ 6.Kd2 Qf2+ 7.Kd3 µ (-0.88) Depth: 12/34 00:00:47 32065kN 1...Rxf2 2.Kxf2 Nd3+ 3.Nxd3 Qxg2+ 4.Ke3 Nd6 5.Rf1 Qxg3+ 6.Ke2 Qg4+ 7.Ke1 µ (-1.03) Depth: 13/36 00:01:10 48155kN 1...Rxf2 2.Kxf2 Nd3+ 3.Nxd3 Qxg2+ 4.Ke3 Nd6 5.Rf1 Qxg3+ 6.Ke2 Qg4+ 7.Ke1 µ (-1.09) Depth: 14/41 00:02:34 107976kN (Blass, Tel-aviv 14.12.2001) Deep Fritz has no problem here >The second position is from the game Richter vs Abramavicius (1930) >[D]2rqrnk1/pp3pb1/6p1/4pbP1/3pN2R/3B1N2/PPP2P2/2K2Q1R w >Here Richter played 19.Rh8+!! and won. >The position was tested on a 500 Mhz Computer .CM 8000 finds 19.Rh8+!! >in 3minutes and 22 seconds.Fritz 6does not find the solution here even >after 24 hours. Deep Fritz does not find it in 15 minutes New position 2rqrnk1/pp3pb1/6p1/4pbP1/3pN2R/3B1N2/PPP2P2/2K2Q1R w - - 0 1 Analysis by Deep Fritz: 1.Nxd4-- -+ (-1.81) Depth: 1/3 00:00:00 1.Kb1 Ne6 ³ (-0.50) Depth: 4/14 00:00:00 2kN 1.Kb1 Ne6 ³ (-0.50) Depth: 4/14 00:00:00 2kN 1.Kb1 Ne6 ³ (-0.50) Depth: 4/14 00:00:00 2kN 1.Kb1 Ne6 ³ (-0.50) Depth: 4/14 00:00:00 2kN 1.Kb1 Ne6 ³ (-0.50) Depth: 4/14 00:00:00 2kN 1.Kb1 Ne6 ³ (-0.50) Depth: 4/14 00:00:00 2kN 1.Kb1 Ne6 ³ (-0.50) Depth: 4/14 00:00:00 2kN 1.Kb1 Ne6 ³ (-0.50) Depth: 4/14 00:00:00 2kN 1.Kb1 Ne6 ³ (-0.50) Depth: 4/14 00:00:00 2kN 1.Kb1 Ne6 ³ (-0.50) Depth: 4/14 00:00:00 2kN 1.Kb1 Ne6 2.Rh7 Nf4 3.Qd1 ³ (-0.53) Depth: 5/15 00:00:00 8kN 1.Qe2! ³ (-0.50) Depth: 5/15 00:00:00 10kN 1.Qe2! Be6 2.Bb5 Nd7 ³ (-0.44) Depth: 5/16 00:00:00 12kN 1.Qe2 Be6 2.Bb5 Re7 3.Nf6+ Bxf6 4.gxf6 ³ (-0.44) Depth: 6/21 00:00:00 35kN 1.Qg2! ³ (-0.41) Depth: 6/21 00:00:00 47kN 1.Qg2! Nd7 2.Nf6+ Nxf6 ³ (-0.37) Depth: 6/26 00:00:00 51kN 1.Qg2 Ne6 2.Nf6+ Bxf6 3.Bxf5 Bg7 4.Bxe6 Rxe6 ³ (-0.41) Depth: 7/23 00:00:00 110kN 1.Qg1! ³ (-0.37) Depth: 7/23 00:00:00 154kN 1.Qg1! Ne6 2.Nf6+ Bxf6 3.Bxf5 Bg7 ³ (-0.28) Depth: 7/23 00:00:00 181kN 1.Qg1 Ne6 2.Nf6+ Bxf6 3.Bxf5 Bg7 4.Bxe6 Rxe6 5.Qg3 ³ (-0.34) Depth: 8/28 00:00:00 286kN 1.Qg2! ³ (-0.31) Depth: 8/28 00:00:00 333kN 1.Qg2 Ne6 2.Nf6+ Bxf6 3.Bxf5 Bxg5+ 4.Nxg5 Qxg5+ 5.Qxg5 Nxg5 6.Bxc8 Rxc8 = (-0.25) Depth: 9/27 00:00:01 684kN 1.Qg2 Ne6 2.Nf6+ Bxf6 3.Bxf5 Bg7 4.Qh2 Kf8 5.Bxe6 Rxe6 6.Kb1 = (-0.03) Depth: 10/28 00:00:03 1805kN 1.Qg2 Ne6 2.Nf6+ Bxf6 3.Bxf5 Nxg5 4.Bxc8 Nxf3 5.Rg4 Nh4 6.Rgxh4 Bxh4 ³ (-0.28) Depth: 11/30 00:00:05 3162kN 1.Qg2 Ne6 2.Nf6+ Bxf6 3.Bxf5 Nxg5 4.Bxc8 Nxf3 5.Rg4 Nh4 6.Rgxh4 Bxh4 ³ (-0.28) Depth: 12/34 00:00:18 10909kN 1.Qg2 Ne6 2.Nf6+ Bxf6 3.Bxf5 Nxg5 4.Qh2 Kf8 5.Rh8+ Ke7 6.Rxe8+ Kxe8 ³ (-0.31) Depth: 13/35 00:00:51 32193kN 1.Kb1! ³ (-0.28) Depth: 13/35 00:01:16 47757kN 1.Kb1! Ne6 2.Nf6+ Bxf6 3.Bxf5 Bg7 4.Qh3 Kf8 5.Rh8+ Ke7 6.Rxe8+ = (-0.12) Depth: 13/35 00:01:51 68873kN 1.Kb1 Ne6 2.Nf6+ Bxf6 3.Bxf5 Bg7 4.Bxe6 Rxe6 5.Ne1 Rec6 6.Qh3 f5 = (-0.25) Depth: 14/35 00:02:38 100243kN 1.Kb1 Ne6 2.Nf6+ Bxf6 3.Bxf5 Bg7 4.Qh3 Kf8 5.Rh8+ Ke7 6.Rxe8+ Qxe8 = (0.00) Depth: 15/40 00:07:50 303824kN (Blass, Tel-aviv 14.12.2001) >The third position is from the game Kaidonov vs Donaldson >[D]rq3rk1/1b1n1ppp/ppn1p3/3pP3/5B2/2NBP2P/PP2QPP1/2RR2K1 w >The position was tested on a 700 Mhz Computer. >CM8000 finds 16.Nxd5!! in 2 hours and 21 minutes .While Fritz6 does not >see it even after 24 hours. >Please indicate the results of your program for these positions. Deep Fritz cannot see it in 6 minutes New position rq3rk1/1b1n1ppp/ppn1p3/3pP3/5B2/2NBP2P/PP2QPP1/2RR2K1 w - - 0 1 Analysis by Deep Fritz: 1.Nxd5-- µ (-0.72) Depth: 1/3 00:00:00 1.Nxd5-- exd5 µ (-1.37) Depth: 1/3 00:00:00 1.Qf3! µ (-0.97) Depth: 1/3 00:00:00 1.Qf3! Ndxe5 = (0.19) Depth: 1/5 00:00:00 1.Qh5! = (0.22) Depth: 1/5 00:00:00 1.Qh5! ± (0.75) Depth: 1/7 00:00:00 1.Qh5 h6 ± (0.84) Depth: 2/9 00:00:00 1.Qc2 h6 2.Bh7+ Kh8 3.e4 Kxh7 ² (0.50) Depth: 4/18 00:00:00 3kN 1.Qc2 h6 2.Bh7+ Kh8 3.e4 Kxh7 ² (0.50) Depth: 4/18 00:00:00 3kN 1.Qc2 h6 2.Bh7+ Kh8 3.e4 Kxh7 ² (0.50) Depth: 4/18 00:00:00 3kN 1.Qc2 h6 2.Bh7+ Kh8 3.e4 Kxh7 ² (0.50) Depth: 4/18 00:00:00 3kN 1.Qc2 h6 2.Bh7+ Kh8 3.e4 Kxh7 ² (0.50) Depth: 4/18 00:00:00 3kN 1.Qc2 h6 2.Bh7+ Kh8 3.e4 d4 ² (0.47) Depth: 5/18 00:00:00 10kN 1.Qc2-- = (0.16) Depth: 6/18 00:00:00 39kN 1.Qc2-- = (0.16) Depth: 6/19 00:00:00 40kN 1.Qh5! = (0.19) Depth: 6/19 00:00:00 41kN 1.Qh5! h6 ² (0.31) Depth: 6/24 00:00:00 56kN 1.Qh5 h6 2.e4 d4 3.Na4 Rd8 4.Rc4 ² (0.28) Depth: 7/23 00:00:00 169kN 1.Qh5 g6 2.Qg5 Ndxe5 3.Qf6 Nd7 4.Qh4 e5 ² (0.38) Depth: 8/23 00:00:00 414kN 1.Qh5 g6 2.Qg5 Ndxe5 3.Qf6 Nd7 4.Qh4 Nde5 5.Qf6 Nd7 6.Qh4 Nde5 ² (0.38) Depth: 9/28 00:00:01 741kN 1.Qh5 g6 2.Qg5 Ndxe5 3.Qf6 Nd7 4.Qh4 Qd8 5.Bg5 f6 ² (0.31) Depth: 10/26 00:00:02 1412kN 1.Qh5 g6 2.Qg5 Ndxe5 3.Qf6 Nd7 4.Qh4 Qd8 5.Bg5 f6 6.Bf4 ² (0.34) Depth: 11/27 00:00:07 4588kN 1.Qh5 g6 2.Qh4 Ncxe5 3.Be2 Qd8 4.Qg3 Qf6 5.Bg5 Qg7 6.Rd4 Rfc8 = (0.22) Depth: 12/32 00:00:17 10631kN 1.Qh5 g6 2.Qh4 Ncxe5 3.Be2 Qd8 4.Qg3 Qf6 5.Bg5 Qg7 6.Rd4 = (0.22) Depth: 13/33 00:01:13 43429kN 1.Qh5 g6 2.Qh4 Ncxe5 3.Qg3 f6 4.e4 Nc5 5.exd5 = (0.22) Depth: 14/35 00:05:33 211370kN (Blass, Tel-aviv 14.12.2001) Uri
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