Author: Uri Blass
Date: 01:15:06 09/20/01
New position 3r1r1k/p3bPpp/2bp4/5R2/1q1BP1n1/1Bp5/PPP3PP/1K1R1Q2 w - - 0 1 Analysis by Deep Fritz: 1.Bxg7+-- -+ (-2.00) Depth: 1/4 00:00:00 1.Bxg7+-- Kxg7 -+ (-3.12) Depth: 1/4 00:00:00 1.Bxc3! -+ (-3.03) Depth: 1/4 00:00:00 1.Bxc3! Qxe4 µ (-0.72) Depth: 1/5 00:00:00 1.Qf3! ³ (-0.69) Depth: 1/10 00:00:00 1.Qf3 Nxh2 2.Bxc3 ³ (-0.69) Depth: 2/13 00:00:00 1.Qf4! ³ (-0.66) Depth: 2/13 00:00:00 1.Qf4! Bf6 2.Bxc3 ³ (-0.50) Depth: 2/13 00:00:00 1.Qf4! = (-0.19) Depth: 3/11 00:00:00 1kN 1.Qf4! Ne5 = (0.00) Depth: 3/13 00:00:00 2kN 1.Qf4 Ne5 2.Bxc3 Qxe4 3.Qxe4 = (0.00) Depth: 4/16 00:00:00 4kN 1.Bxc3! = (-0.12) Depth: 4/16 00:00:00 11kN 1.Bxc3! Qb7 2.Bd5 Bxd5 3.Rdxd5 Nxh2 = (0.19) Depth: 4/16 00:00:00 12kN 1.Bxc3 Qb7 2.Qf4 Ne5 3.Bd5 Bxd5 ² (0.38) Depth: 5/18 00:00:00 23kN 1.Bxc3 Qb7 2.Qf3 Nh6 3.Rf4 Rc8 ² (0.34) Depth: 6/17 00:00:00 42kN 1.Bxc3 Qb8 2.Qf4 Ne5 3.Bd5 Bd7 4.Rh5 = (0.22) Depth: 7/21 00:00:00 184kN 1.Bxc3 Qb8 2.Qf4 Ne5 3.Be6 Qc7 4.Bd5 Rc8 = (0.16) Depth: 8/20 00:00:00 429kN 1.Qa6! = (0.19) Depth: 8/25 00:00:01 1115kN 1.Qa6! Bd7 2.Qa5 d5 3.Qxb4 Bxb4 4.Rxd5 Rxf7 = (0.22) Depth: 8/25 00:00:01 1162kN 1.Qa6 Ne5 2.bxc3 Qb8 3.Qxa7 Qxa7 4.Bxa7 Bxe4 5.Rf2 d5 = (-0.03) Depth: 9/27 00:00:04 2778kN 1.Bxc3! = (0.00) Depth: 9/27 00:00:04 2978kN 1.Bxc3! Qb8 2.Qf4 Ne5 3.Be6 Qc7 4.Re1 Bd7 5.Bxd7 Nxd7 ² (0.38) Depth: 9/27 00:00:05 3561kN 1.Bxc3 Qb8 2.Qf4 Ne5 3.Re1 Qb7 4.Be6 Ng6 5.Qg4 d5 ² (0.31) Depth: 10/27 00:00:08 5623kN 1.Bxc3 Qb7 2.Qf4 Ne5 3.Bd5 Qc7 4.Bxe5 dxe5 5.Qxe5 Qxe5 6.Rxe5 Rxf7 = (0.19) Depth: 11/29 00:00:18 12512kN 1.Bxc3 Qb8 2.Qf4 Ne5 3.Re1 a6 4.Ka1 Bd7 5.Rxe5 dxe5 6.Qxe5 = (0.25) Depth: 12/32 00:00:57 37587kN 1.Bxc3 Qb7 2.Qf4 Ne5 3.Re1 Qb8 4.Rh5 Qc8 5.Bxe5 dxe5 ² (0.41) Depth: 13/34 00:02:41 99241kN 1.Bxc3 Qb7 2.Qf4 Ne5 3.Re1 Qd7 4.Bd5 Bxd5 5.exd5 Qc7 6.Qf2 ² (0.59) Depth: 14/36 00:05:10 201482kN 1.Bxc3! ± (0.91) Depth: 15/38 00:16:50 682613kN 1.Bxc3 Qb7 2.Rh5 Bxe4 3.Bd5 Bxd5 4.Qf5 h6 5.Qxg4 Rxf7 6.Rhxd5 ± (1.13) Depth: 16/40 00:38:59 1595338kN 1.Bxc3 Qb7 2.Rh5 Bxe4 3.Bd5 Bxd5 4.Qf5 h6 5.Qxg4 Rxf7 6.Rhxd5 ± (1.03) Depth: 17/43 01:34:10 3913183kN 1.Bxc3 Qb7 2.Rh5 Bxe4 3.Bd5 Bxd5 4.Qf5 h6 5.Qxg4 Rxf7 ± (1.03) Depth: 18/44 06:19:13 15943481kN (Blass, Tel-aviv 20.09.2001) After 10 plies of the main line Deep Fritz says: New position 3r3k/pq2brp1/3p3p/3b3R/6Q1/2B5/PPP3PP/1K1R4 w - - 0 1 Analysis by Deep Fritz: 6.Rhxd5! -+ (-1.87) Depth: 1/2 00:00:00 6.Rhxd5! Bf6 7.Bxf6 Rxf6 8.c4 Rb8 9.Rb5 Qc7 10.Rxb8+ +- (1.41) Depth: 1/9 00:00:00 6.Rhxd5 Rdf8 7.Ka1 Qc6 8.Qg6 ± (1.25) Depth: 2/7 00:00:00 6.Rhxd5 Rdf8 7.Ka1 Qc6 8.Qg6 ± (1.19) Depth: 3/11 00:00:00 6.Rhxd5 Rdf8 7.Ka1 Qc6 8.Qg6 ± (1.22) Depth: 4/12 00:00:00 1kN 6.Rhxd5 Bf6 7.Bxf6 Rxf6 8.Ka1 Rb8 ± (1.16) Depth: 5/15 00:00:00 7kN 6.Rdxd5! ± (1.19) Depth: 5/17 00:00:00 10kN 6.Rdxd5 Bf6 7.Bxf6 Rxf6 8.Rhf5 Rb8 9.Qd4 Rxf5 ± (1.03) Depth: 6/17 00:00:00 32kN 6.Rhxd5! ± (1.06) Depth: 6/17 00:00:00 33kN 6.Rhxd5! Bf6 ± (1.16) Depth: 6/17 00:00:00 41kN 6.Rhxd5 Bf6 7.Bxf6 Rxf6 8.Qd4 Rc8 9.g4 Qc6 10.Qd3 ± (1.03) Depth: 7/18 00:00:00 83kN 6.Rhxd5 Bf6 7.Bxf6 Rxf6 8.c4 Rb8 9.Rb5 Qc7 10.Rxb8+ Qxb8 ± (1.03) Depth: 8/17 00:00:00 218kN 6.Rhxd5 Bf6 7.Bxf6 Rxf6 8.b3 Qc6 9.Qg3 Kg8 10.c4 a6 ± (1.09) Depth: 9/23 00:00:01 642kN 6.Rhxd5 Bf6 7.Bxf6 Rxf6 8.Qd4 Rdf8 9.g3 Qc7 10.c3 Rf2 11.Rxd6 Rxh2 ± (1.09) Depth: 10/23 00:00:02 1649kN 6.Rhxd5 Bf6 7.Bxf6 Rxf6 8.Qd4 Rdf8 9.g3 Qc7 10.c3 Rf2 ± (1.09) Depth: 11/30 00:00:07 4599kN 6.Bxg7+! ± (1.13) Depth: 11/32 00:00:08 5351kN 6.Bxg7+! Rxg7 7.Rxh6+ Rh7 8.Rxh7+ Kxh7 9.Rd3 +- (1.47) Depth: 11/33 00:00:09 6263kN 6.Rxh6+! +- (1.50) Depth: 11/33 00:00:11 7226kN 6.Rxh6+! Kg8 7.Bxg7 Rxg7 8.Qh5 Rxg2 9.Rh8+ Kg7 10.Rh7+ +- (2.88) Depth: 11/33 00:00:13 8557kN 6.Rxh6+-- +- (2.56) Depth: 12/31 00:00:17 11077kN 6.Rxh6+-- Kg8 7.Qh5 gxh6 8.Qxh6 Rh7 9.Qg6+ Kf8 = (-0.06) Depth: 12/36 00:01:37 61059kN 6.Rf5! = (-0.03) Depth: 12/36 00:02:01 76714kN 6.Rdxd5! = (0.00) Depth: 12/36 00:03:03 117538kN 6.Rdxd5! Bf6 7.Bxf6 Rxf6 8.Rhf5 Rxf5 ± (0.88) Depth: 12/36 00:03:27 132579kN 6.Rhxd5! ± (0.91) Depth: 12/36 00:03:34 137232kN 6.Rhxd5! Bf6 7.Bxf6 Rxf6 8.b3 Qc7 ± (1.06) Depth: 12/36 00:03:47 144986kN 6.Rhxd5 Bf6 7.Bxf6 Rxf6 8.Qd4 Rdf8 9.Rxd6 ± (1.09) Depth: 13/32 00:04:16 164110kN (Blass, Tel-aviv 20.09.2001) White gets a pawn advantage based on the main line of Deep Fritz but it is still better than Nxe4 Based on previous analysis Deep Fritz cannot find Ng4 even after 20 hours and I was too lazy to let it search another ply because it probably needs few days to get another ply. Uri
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