Author: John Merlino
Date: 15:13:46 09/11/02
Go up one level in this thread
On September 11, 2002 at 18:03:00, Thomas Lagershausen wrote: >[D]5rk1/2n1qNb1/3pP1p1/Q2P3p/p1pr1p1P/3b4/BP1R1PPN/4R1K1 w - - 44.Rxd3 cxd3 >45.Qd2 Rb8 46.Nf3 Rdb4 47.Qxd3 Rxb2 48.Bc4 a3 49.Qxg6 Qf6 50.Qe4 > >Tao 5.4 won a very complicated game against Hiarcs 8 in this position with >44.Rxd3!? > >Would CM 9000 also play 44.Rxd3 !? > The answer appears to be "it depends on the hardware and the time control". :-) This analysis was done on a humble PIII-600. CM9000 chooses Rxd3 after 39 seconds, but switches to Qb4 after 1:37. It might switch back to Rxd3 later, however.... Ask me again when I get the computer that we're going to use against GM Christiansen. Time Depth Score Positions Moves 0:00 1/3 -2.72 2874 1.Qxa4 Ra8 2.Qc6 Rxa2 3.Nxd6 Rxd5 4.Nxc4 0:00 1/3 -1.85 3304 1.Ng5 Ra8 2.Qb6 Nxd5 0:00 1/3 -1.09 3575 1.Rxd3 cxd3 2.Nf3 0:00 1/4 -0.82 6759 1.Rxd3 cxd3 2.Nf3 d2 3.Nxd2 Rb8 0:00 1/5 -0.75 23841 1.Rxd3 Rxd3 2.Bxc4 Rd4 3.b3 axb3 4.Bxb3 0:01 1/6 -1.48 70531 1.Rxd3 cxd3 2.Nf3 d2 3.Nxd2 Ra8 4.Qc3 Nxd5 5.Bxd5 Rxd5 0:01 1/6 -0.96 101770 1.Qb4 Rxd5 2.Rxd3 Rxd3 3.Bxc4 Nd5 4.Qxd6 0:04 1/7 -0.96 233694 1.Qb4 Rxd5 2.Rxd3 Rxd3 3.Bxc4 Nd5 4.Qxd6 0:13 1/8 -0.49 837690 1.Qb4 a3 2.Qxd6 Qxd6 3.Nxd6 axb2 4.Rxb2 Rxd5 5.e7 Ra8 6.Rd2 Rxd6 7.Bxc4+ Bxc4 8.Rxd6 0:34 1/9 -0.53 2186033 1.Qb4 Rxd5 2.Rxd3 Rxd3 3.Bxc4 Rd4 4.Nf3 Nd5 5.Qxa4 Nb6 0:39 1/9 -0.45 2495407 1.Rxd3 Rxd3 2.Bxc4 Rd4 3.Qxa4 Rd2 4.Nf3 Rxb2 5.N7g5 Bc3 0:56 1/10 -0.57 3735348 1.Rxd3 cxd3 2.Nf3 Rb8 3.Nxd4 Bxd4 4.Rf1 Rxb2 5.Qxa4 Bf6 6.Qa3 Ne8 1:37 1/10 -0.31 6503042 1.Qb4 Rxd5 2.Rxd3 Rxd3 3.Bxc4 Rd4 4.Nf3 Rxc4 5.Qxc4 d5 6.Qxa4 Nxe6 4:58 2/11 -0.35 20560463 1.Qb4 a3 2.Nf3 Rxd5 3.N7e5 axb2 4.Rxd3 Bxe5 5.Rxd5 Nxd5 6.Qxc4 Nb6 7.Qb5 jm
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