Author: Ernst Walet
Date: 11:01:11 11/20/01
This is another, well known, position I tested with ftitz7, fritz7 (nommx) and fritz6. Frit6 was the fastes here, followed by fritz7. Suprisingly to me, fritz7 (nommx) was much slower on solving this position than fritz6, maybe it is somewhat more selective than fritz6? Ernst. [D]6k1/8/p3r2p/1p1pPpp1/1n1pP3/1Pq4P/PR4PB/3QN1K1 b - - 0 1 Analysis by Fritz 6: 1...Qxb2! ± (0.94) Depth: 1/2 00:00:00 1...Qxb2! 2.exf5 µ (-0.75) Depth: 1/5 00:00:00 1...Qxb2 2.exf5 µ (-0.75) Depth: 2/5 00:00:00 1...Qxb2 2.exf5 Re8 ³ (-0.53) Depth: 3/7 00:00:00 1...Qxb2 2.exf5 Re8 3.Nf3 Qxa2 4.Nxd4 ³ (-0.50) Depth: 4/10 00:00:00 1kN 1...Qxb2 2.exf5 Re7 3.Nf3 Qxa2 4.Nxd4 ³ (-0.50) Depth: 5/12 00:00:00 8kN 1...Qxb2 2.exf5 Rc6 3.Qh5 Kf8 4.e6 Qxa2 5.Qxh6+ Ke8 µ (-0.78) Depth: 6/20 00:00:00 21kN 1...Qxb2 2.exf5 Re7 3.Qh5 Qxa2 4.Qxh6 Qxb3 5.Qxg5+ ³ (-0.50) Depth: 7/21 00:00:00 48kN 1...Qxb2 2.exf5 Re7 3.a4 Qc3 4.axb5 Qe3+ 5.Kh1 axb5 µ (-0.78) Depth: 8/23 00:00:00 128kN 1...Qxb2 2.exf5 Re7 3.a4 Qc3 4.axb5 axb5 5.Nf3 Qe3+ 6.Kh1 µ (-0.81) Depth: 9/25 00:00:00 291kN 1...Qxb2 2.exf5 Re7 3.a4 Qc3 4.axb5 axb5 5.Nf3 Qe3+ 6.Kh1 µ (-0.91) Depth: 10/26 00:00:01 731kN 1...Qxb2 2.exf5 Re7 3.e6 Nxa2 4.Bd6 Nc3 5.Qg4 Re8 6.f6 µ (-0.72) Depth: 11/27 00:00:04 1725kN 1...Qxb2 2.exf5 Re7 3.f6 Rf7 4.Qh5 Qb1 5.Bg3 Qh7 6.a3 ³ (-0.63) Depth: 12/29 00:00:10 4483kN 1...dxe4! ³ (-0.66) Depth: 12/33 00:00:29 11803kN 1...dxe4 2.Rd2 d3 3.a4 e3 4.Rxd3 Nxd3 5.Nxd3 Qd2 6.Qb1 ³ (-0.56) Depth: 13/35 00:01:03 25474kN 1...dxe4! µ (-0.88) Depth: 14/35 00:01:59 48366kN 1...dxe4-- ³ (-0.56) Depth: 15/34 00:02:37 65074kN 1...dxe4-- ³ (-0.56) Depth: 15/35 00:03:17 81495kN 1...dxe4! µ (-0.88) Depth: 16/42 00:09:53 243767kN 1...dxe4! 2.Rd2 d3 3.Bg3 Re7 4.a3 e3 5.Rxd3 Nxd3 6.Qxd3 µ (-0.91) Depth: 16/42 00:14:44 362021kN (PIII-500E, 512MB hash, 3, 4 and 5 piece EGTB's 20.11.2001) Analysis by Fritz 7: 1...dxe4 2.Rd2 Nc6 3.Kh1 ² (0.37) Depth: 7/21 00:00:00 104kN 1...dxe4 2.Rd2 = (0.22) Depth: 8/22 00:00:00 165kN 1...Qxb2! 2.exf5 = (0.19) Depth: 8/22 00:00:00 185kN 1...Qxb2! 2.exf5 = (0.18) Depth: 8/22 00:00:00 185kN 1...Qxb2! = (-0.10) Depth: 9/25 00:00:01 378kN 1...Qxb2 2.exf5 = (-0.22) Depth: 10/29 00:00:03 836kN 1...Qxb2 2.exf5 = (-0.19) Depth: 11/33 00:00:09 2286kN 1...Qxb2 2.exf5 ³ (-0.28) Depth: 12/33 00:00:24 6372kN 1...Qxb2 2.exf5 = (-0.06) Depth: 13/34 00:00:52 13685kN 1...dxe4! 2.Rd2 = (-0.09) Depth: 13/34 00:01:13 19176kN 1...dxe4! 2.Rd2 = (-0.10) Depth: 13/34 00:01:13 19176kN 1...dxe4! ³ (-0.38) Depth: 14/39 00:04:02 63845kN 1...dxe4! 2.Rb1 Nxa2 3.Kh1 d3 4.Ra1 Qb2 5.Nxd3 exd3 ³ (-0.41) Depth: 14/39 00:06:32 103441kN 1...dxe4 2.Rd2 d3 3.Bg3 Kh7 4.a3 f4 5.Bxf4 gxf4 6.axb4 Rxe5 7.Rf2 Qd4 ³ (-0.63) Depth: 15/41 00:18:48 298300kN (PIII-500E, 512MB hash, 3, 4 and 5 piece EGTB's 20.11.2001) Analysis by Fritz 7 (No MMX): 1...Qxb2! ± (0.97) Depth: 1/2 00:00:00 1...Qxb2! 2.exf5 µ (-0.72) Depth: 1/5 00:00:00 1...Qxb2 2.exf5 µ (-0.72) Depth: 2/5 00:00:00 1...Qxb2 2.exf5 Re8 ³ (-0.50) Depth: 3/11 00:00:00 1...Qxb2 2.exf5 Re8 3.Nf3 Qxa2 4.Nxd4 ³ (-0.47) Depth: 4/10 00:00:00 1kN 1...Qxb2 2.exf5 Re7 3.Nf3 Qxa2 4.Nxd4 ³ (-0.47) Depth: 5/12 00:00:00 8kN 1...Qxb2 2.exf5 Rc6 3.Qh5 Kf8 4.e6 Qxa2 5.Qxh6+ Ke8 µ (-0.75) Depth: 6/19 00:00:00 21kN 1...Qxb2 2.exf5 Re7 3.Qh5 Qxa2 4.Qxh6 Qxb3 5.Qxg5+ ³ (-0.47) Depth: 7/21 00:00:00 47kN 1...Qxb2 2.exf5 Re7 3.a4 Qc3 4.axb5 Qe3+ 5.Kh1 axb5 µ (-0.75) Depth: 8/23 00:00:00 128kN 1...Qxb2 2.exf5 Re7 3.a4 Qc3 4.axb5 axb5 5.Nf3 Qe3+ 6.Kh1 µ (-0.78) Depth: 9/24 00:00:00 296kN 1...Qxb2 2.exf5 Re7 3.a4 Rf7 4.g4 Qc3 5.axb5 Qe3+ 6.Kg2 µ (-0.88) Depth: 10/27 00:00:01 764kN 1...Qxb2 2.exf5 Re7 3.e6 d3 4.Nxd3 Nxd3 5.Qxd3 Qa1+ 6.Qf1 ³ (-0.66) Depth: 11/27 00:00:04 1833kN 1...Qxb2 2.exf5 Re7 3.e6 Nxa2 4.Bd6 Nc3 5.Qh5 Qd2 6.Nf3 ³ (-0.56) Depth: 12/30 00:00:10 4200kN 1...Qxb2 2.exf5 Re7 3.f6 Rf7 4.Qh5 Qb1 5.Bg3 Qf5 6.Nf3 ³ (-0.44) Depth: 13/34 00:00:41 16611kN 1...Qxb2 2.exf5 Re7 3.f6 Rf7 4.Qh5 Qb1 5.Bg3 Qf5 6.Nf3 ³ (-0.53) Depth: 14/38 00:01:46 42836kN 1...Qxb2 2.exf5 Re7 3.f6 Rf7 4.Bg3 Qc3 5.Kh2 Nxa2 6.Qh5 ³ (-0.44) Depth: 15/41 00:03:08 76844kN 1...Qxb2 2.exf5 Re7 3.e6 d3 4.Nxd3 Qd4+ 5.Nf2 Qxd1+ 6.Nxd1 = (-0.25) Depth: 16/42 00:07:44 188862kN 1...dxe4! ³ (-0.28) Depth: 16/42 00:13:20 328532kN 1...dxe4! 2.Rd2 d3 3.Bg3 Re7 4.a3 e3 5.Rxd3 Nxd3 6.Qxd3 µ (-0.81) Depth: 16/42 00:23:07 566387kN (PIII-500E, 512MB hash, 3, 4 and 5 piece EGTB's 20.11.2001)
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