Author: Uri Blass
Date: 11:24:07 04/09/01
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On April 09, 2001 at 12:54:37, Thomas Lagershausen wrote: > >> >>Deep Fritz found one move in more than 22 hours and another move in more than 16 >>hours on PIII800. >> >>The move that it found in more than 16 hours is probably a winning move. > >I am very,very interested in this brilliant moves by Deep Fritz.Please can you >post it. Here is my game Abir Har aven - Uri Blass [A03] [Blass,U] 33554424kB, f5book.ctg. PentiumIII800 1.f4 d5 2.g3 h5 3.Nf3 h4 4.Nxh4 e5 5.Ng2 Nf6 6.e3 Nc6 7.d3 Bg4 8.Be2 Qd7 9.Nd2 0-0-0 10.Nf1 Bd6 11.Bd2 exf4 -0.94/19 30:00:58 12.gxf4 12...Rh3 -1.06/20 24:02:45 13.c3 g5 10...Bd6 was result of more than 22 hours of search of Deep Fritz(pIII800 64 mbytes hash) but unfortunately I did not save the line and the score. I thought about the move 10.Nf1 of GM har aven made that it cannot be a good move and I wanted to punish the opponent for it. I know that my opponent is a GM in correspondence games and I suspected that he planned a trap for computers by this move. I decided to give deep fritz more than 80 hours to search on PIII800(I hoped that it is going to find a tactical win). I did not trust the result of Deep Fritz and I tried to continue against other programs that did not like Bd6. I did not find problems with this move so I decided to play it. Deep Fritz did not find a tactical win but I guess that it find a very good positional move. I was happy to see that it changed it's mind after more than 22 hours because I guessed that Har aven did not plan something against this move. All the move from move 10 are result of at least 24 hours of search of Deep Fritz. I did not save previous analysis of Deep fritz but I saved analysis of Deep Fritz for 13...g5 and here it is: Abir Har aven - Uri Blass 2kr4/pppq1pp1/2nb1n2/3p4/5Pb1/2PPP2r/PP1BB1NP/R2QKN1R b KQ - 0 1 Analysis by Deep Fritz: 13...Bxe2! = (0.22) Depth: 1/3 00:00:00 13...Bxe2! 14.Qxe2 ³ (-0.38) Depth: 1/3 00:00:00 13...Bf5! ³ (-0.41) Depth: 1/6 00:00:00 13...Bf5 14.Ng3 ³ (-0.28) Depth: 2/4 00:00:00 13...Bxe2! ³ (-0.38) Depth: 2/5 00:00:00 13...Bxe2! 14.Qxe2 Re8 ³ (-0.44) Depth: 2/6 00:00:00 13...Bxe2 14.Qxe2 Re8 15.0-0-0 ³ (-0.28) Depth: 3/8 00:00:00 13...Be6! ³ (-0.31) Depth: 3/8 00:00:00 13...Be6! 14.Ng3 ³ (-0.34) Depth: 3/8 00:00:00 13...Be6 14.Rg1 Re8 15.Qb3 ³ (-0.31) Depth: 4/12 00:00:00 1kN 13...Bxe2! ³ (-0.34) Depth: 4/12 00:00:00 1kN 13...Bxe2! 14.Qxe2 ³ (-0.38) Depth: 4/12 00:00:00 2kN 13...Bxe2 14.Qxe2 Re8 15.0-0-0 Qe7 16.Ng3 = (-0.25) Depth: 5/16 00:00:00 10kN 13...Be6! ³ (-0.28) Depth: 5/16 00:00:00 10kN 13...Be6! 14.Rg1 Re8 15.Qb3 Qe7 ³ (-0.34) Depth: 5/16 00:00:00 10kN 13...Rdh8! ³ (-0.38) Depth: 5/20 00:00:00 16kN 13...Rdh8! 14.Bxg4 Nxg4 15.Qb3 Qe6 16.c4 dxc4 ³ (-0.50) Depth: 5/20 00:00:00 19kN 13...Rdh8 14.Bxg4 Nxg4 15.Qb3 Qe6 16.c4 dxc4 17.Qxc4 Qxc4 ³ (-0.50) Depth: 6/28 00:00:00 31kN 13...Rdh8 14.b4 Bxe2 15.Qxe2 Ng4 16.b5 Ne7 17.b6 cxb6 ³ (-0.50) Depth: 7/27 00:00:00 109kN 13...Rdh8 14.b4 Bxe2 15.Qxe2 Qe6 16.b5 Ne7 17.Rg1 Nf5 ³ (-0.44) Depth: 8/27 00:00:00 337kN 13...Rdh8 14.b3 Bxe2 15.Qxe2 Ng4 16.0-0-0 Nxh2 17.e4 Ba3+ 18.Kb1 Nxf1 19.Rhxf1 ³ (-0.59) Depth: 9/30 00:00:01 928kN 13...Rdh8 14.b3 Bxe2 15.Qxe2 Ng4 16.e4 Nxh2 17.Rxh2 Rxh2 18.exd5 Re8 19.Nxh2 ³ (-0.59) Depth: 10/29 00:00:02 1468kN 13...Rdh8 14.b3 Bxe2 15.Qxe2 Ng4 16.e4 Nxh2 17.Rxh2 Rxh2 18.exd5 Re8 19.Nxh2 ³ (-0.59) Depth: 11/39 00:00:05 3114kN 13...Rdh8 14.b3 Qe6 15.Rc1 g6 16.c4 d4 17.c5 Be7 18.Rc4 dxe3 ³ (-0.56) Depth: 12/36 00:00:27 17417kN 13...Re8! ³ (-0.59) Depth: 12/36 00:00:39 25411kN 13...Re8! 14.b4 Ne7 15.Bxg4 Nxg4 16.Qe2 Reh8 17.e4 Nxh2 18.Rxh2 Rxh2 19.e5 ³ (-0.69) Depth: 12/39 00:01:03 40480kN 13...Re8 14.Rc1 Bxe2 15.Qxe2 Nh5 16.e4 f5 17.e5 Bxe5 18.fxe5 Nxe5 ³ (-0.69) Depth: 13/40 00:02:50 109196kN 13...Re8 14.b4 Bxe2 15.Qxe2 d4 16.0-0-0 Nd5 17.b5 dxc3 18.bxc6 cxd2+ 19.Kb2 µ (-0.81) Depth: 14/41 00:07:09 267888kN 13...Re8 14.Bxg4 Nxg4 15.Qe2 d4 16.0-0-0 dxe3 17.Be1 Ne7 18.Bg3 Nd5 19.c4 µ (-0.97) Depth: 15/43 00:20:24 781259kN 13...Re8 14.Bxg4 Nxg4 15.Qe2 d4 16.0-0-0 dxe3 17.Be1 Ne7 18.Bg3 Nd5 19.Rg1 µ (-0.94) Depth: 16/44 00:30:51 1201442kN 13...Re8 14.Bxg4 Nxg4 15.Qe2 d4 16.0-0-0 dxe3 17.Be1 Nh6 18.Bg3 Nf5 19.d4 µ (-1.09) Depth: 17/47 01:37:59 3892964kN 13...Re8 14.Bxg4 Nxg4 15.Qe2 g5 16.fxg5 Nce5 17.d4 Nf3+ 18.Kd1 Nxg5 19.Kc1 µ (-0.97) Depth: 18/49 03:08:17 7642666kN 13...Re8 14.Bxg4 Nxg4 15.Qe2 f5 16.Rg1 d4 17.0-0-0 dxe3 18.Be1 Qe6 19.Kb1 µ (-1.03) Depth: 19/48 09:21:04 23586724kN 13...g5! µ (-1.06) Depth: 19/50 16:29:00 42245850kN 13...g5! 14.fxg5 Ne5 15.Nf4 Nf3+ 16.Kf2 Bxf4 17.exf4 Nxd2 18.Ng3 Bxe2 19.Kxe2 µ (-1.16) Depth: 19/51 19:22:30 49709144kN (blass, tel-aviv 30.03.2001) It is not careful to post analysis of my correspondence game during the game because my opponent may read it and I am still not sure but only almost sure that I am going to win inspite of the fact that I could prove by Fritz and a chess tree that I have at least +1.5 pawns for myself after 13...g5. g5 is a brilliant tactical move and I may analyze after the game if Bd6 is really the best. Uri
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