Author: Eelco de Groot
Date: 03:05:53 09/01/02
Go up one level in this thread
On August 31, 2002 at 12:46:39, Slater Wold wrote: >On August 31, 2002 at 06:05:23, Eelco de Groot wrote: > >>On August 31, 2002 at 03:00:25, Slater Wold wrote: >> >>>[D]2k3rr/pbpnq3/1p1ppp1n/8/1PPP3B/P2BPN2/2Q2PP1/R3K2R w KQ - 0 1 >>> >>>The only correct move here is c5. You might get a high score with Be4 or e4, >>>but the *only* correct move is c5. >>> >>>It is fairly deep, and fairly positional. There is also a nice sac in the >>>winning line. >> >>The Q5T persona is always in for a line where it can throw some of its pieces >>around. But is this anywhere near to what the winning line is supposed to be? >> >>Regards, >>Eelco >> >>Rebel Engine for ECTool. (c) Ed Schröder >> >>Engine version : REBEL CENTURY 2 >>Rebel personality : "Q5T" >>Opening book file : RebelC.mvs >>Hash table size : 12 MB >>Analysis mode : Analyzing next move >>Refresh interval : 500 ms >> >>Game begin >> >>00:00 05.00 1.88 1.Be4 a6 2.Nd2 c6 3.a4 >>00:00 06.00 1.81 1.Be4 d5 2.cxd5 exd5 3.Bg6 >>00:00 07.00 1.66 1.Be4 d5 2.cxd5 exd5 3.Bg6 Ba6 4.Bg3 Bc4 >>00:03 07.02 1.81 1.c5 bxc5 2.bxc5 dxc5 3.Be4 Bxe4 4.Qxe4 cxd4 5.Qa8+ Nb8 >>00:06 08.00 1.53 1.c5 Bxf3 2.gxf3 Nf5 3.Bxf5 Rxh4 4.Rxh4 Rg1+ 5.Kd2 Rxa1 >>6.Rh8+ >>00:07 08.01 1.90 1.Be4 Rxg2 2.Bxb7+ Kxb7 3.Qe4+ Kb8 4.Ne5 Nxe5 5.Qxg2 Nxc4 >>00:12 09.00 1.45 1.Be4 d5 2.cxd5 exd5 3.Bg6 Qg7 4.Bg3 c5 5.Qa4 Qxg6 6.bxc5 >>00:19 09.01 1.61 1.c5 bxc5 2.bxc5 dxc5 3.Be4 Bd5 4.Bg3 Rxg3 5.fxg3 >>00:47 10.00 1.65 1.c5 bxc5 2.bxc5 dxc5 3.Be4 Bd5 4.Bg3 Rxg3 5.fxg3 >>01:57 11.00 1.51 1.c5 bxc5 2.bxc5 Bxf3 3.gxf3 Nf5 4.Bxf5 Rxh4 5.Rxh4 Rg1+ >>6.Kd2 Rxa1 7.Rh8+ >>02:32 11.01 1.59 1.Be4 d5 2.cxd5 exd5 3.Bg6 Nf8 4.Ne5 Qg7 5.Bg3 Kb8 >>09:59 12.00 1.79 1.Be4 Rxg2 2.Ne5 Qg7 3.Nxd7 Rg1+ 4.Kd2 Rxa1 5.Rxa1 Qxd7 >>10:55 12.01 1.90 1.c5 bxc5 2.bxc5 dxc5 3.Be4 Bd5 4.Bxd5 exd5 5.Qa4 >>39:35 13.00 1.91 1.c5 bxc5 2.bxc5 dxc5 3.Be4 Bd5 4.Bxd5 exd5 5.Qa4 Nf5 > >No. The winning line is 1.c5 bxc5 2.bxc5 dxc5 3.Rb1 Rxf2 4. Rxb7 Kxb7 5. Ne5 After entering 1.c5 bxc5 2.bxc5 dxc5 Q5T at one point does want to play 3.Rb1 but only because of a false Fail High, having calculated it through at thirteen ply it still thinks 3Be4 is better with 23 of 49 possible moves still to go (it has bad extension behaviour at deeper plies and little tranposition table memory) 11:37 11.00 1.36 3.Be4 Bd5 4.Bxd5 exd5 5.Qa4 Nf5 6.Qxa7 Nb6 32:27 12.00 1.38 3.Be4 Nf5 4.Bxb7+ Kxb7 5.Rb1+ Kc8 6.Qa4 Nxh4 7.Nxh4 Qh7 8.Rb3 Qe4 18:00 13.00 1.36 3.Be4 Bd5 4.Bxd5 exd5 5.Qa4 Nf5 6.Qxa7 Nb6 33:33 13.01 1.36 3.Rb1 1.36 pawn up from point of view of side to move. This after about 22 hours with only background availability of the processor The other copy of Q5T was processing the position after 1.c5 bxc5 2.bxc5 dxc5 3.Rb1 It does not consider taking the pawn on g2 anytime (3. .. Rxg2 I suppose was the main line), but it does think Black is about a pawn down now, having whizzed to iteration fourteen in just 16 hours... Rebel Engine for ECTool. (c) Ed Schröder Engine version : REBEL CENTURY 2 Rebel personality : "Q5T" Opening book file : RebelC.mvs Hash table size : 12 MB Analysis mode : Analyzing next move Refresh interval : 500 ms Last Move : 3.Rb1 (Black to play) 00:00 03.00 -0.51 3..c4 4.Qxc4 Nb6 5.Qb4 Qxb4+ 6.Rxb4 00:00 04.00 -1.25 3..c4 4.Bxc4 Nf5 5.Rxb7 Nxh4 6.Nxh4 Kxb7 7.Qb3+ 00:01 05.00 -1.25 3..c4 4.Bxc4 Nf5 5.Rxb7 Kxb7 6.Qb3+ Ka8 7.Bxe6 Nxh4 00:05 06.00 -1.40 3..c4 4.Bxc4 Nf7 5.Qa4 Nb6 6.Qxa7 Rxg2 7.Nd2 00:07 06.05 -1.40 3..cxd4 00:07 06.05 -1.38 3..cxd4 4.Rxb7 Kxb7 5.Bxf6 Qxf6 6.Nxd4 Rxg2 7.Be4+ 00:12 07.00 -1.48 3..cxd4 4.Be4 Bxe4 5.Qxe4 Nb6 6.Nxd4 e5 7.Nb5 Nf5+ 00:18 07.01 -1.48 3..c4 00:24 07.01 -0.73 3..c4 4.Bxc4 Nb6 5.Qb3 00:43 08.00 -0.95 3..c4 4.Rxb7 Kxb7 5.Be4+ Kc8 6.Qa4 Nf5 7.Qxa7 Nd6 8.Qa6 Kd8 9.Qa8+ Nc8 02:10 09.00 -1.21 3..c4 4.Bxc4 Nb6 5.Bg3 Kd8 6.e4 Ng4 7.Bh4 03:08 09.05 -0.87 3..Nf5 4.Be4 Nd6 5.Bxb7+ Nxb7 6.g3 cxd4 7.Qc6 Nb6 8.Nxd4 05:18 10.00 -1.32 3..Nf5 4.Be4 Bxe4 5.Qxe4 Nb6 6.dxc5 Qxc5 7.Qxe6+ Kb8 8.Qxf6 Nxe3 08:20 10.01 -1.02 3..c4 4.Bxc4 Nb6 5.Qb3 21:55 11.00 -0.94 3..c4 4.Bxc4 Nb6 5.Qb3 23:01 11.01 -0.81 3..Nf5 4.Be4 Bxe4 5.Qxe4 Nb6 6.dxc5 Nxh4 05:09 12.00 -0.57 3..Nf5 4.Be4 Bxe4 5.Qxe4 Nb6 6.dxc5 Qxc5 7.Qxe6+ Kb8 8.Qxf6 Nxh4 18:45 13.00 -0.84 3..Nf5 4.Qa4 Nb6 5.Qxa7 cxd4 6.Bxf5 dxe3 7.Bh3 Rxh4 8.Nxh4 51:13 14.00 -1.14 3..Nf5 4.Qa4 Nxh4 5.Nxh4 Nb6 6.Qxa7 Qd6 7.Ba6 I only let Q5T look for a few minutes yet at 4.Rxb7 Kxb7 which after 3. ..Nf5 is still possible of course: 1.c5 bxc5 2.bxc5 dxc5 3.Rb1 Nf5 4.Rxb7 Maybe this is an easier testposition: [D]2k3rr/pRpnq3/4pp2/2p2n2/3P3B/P2BPN2/2Q2PP1/4K2R w K - Last Move : 4.Rxb7 (Black to play) 00:00 04.00 -3.31 4..Nxh4 5.Nxh4 Kxb7 6.Qa4 cxd4 7.exd4 00:00 04.01 -1.54 4..Kxb7 5.Qa4 Nb6 6.Be4+ Kc8 00:01 05.00 -0.73 4..Kxb7 5.Qa4 Kb8 6.Bxf5 exf5 7.Qb3+ Nb6+ 8.Qd5 00:03 06.00 -0.50 4..Kxb7 5.Qa4 Kb8 6.Bxf5 exf5 7.Qc6 Nb6 8.dxc5 00:10 07.00 -0.34 4..Kxb7 5.Qa4 Kb8 6.Be4 Nb6 7.Qa6 Nd6 8.Bc6 Rxg2 00:27 08.00 -0.69 4..Kxb7 5.Qa4 Kb8 6.Qc6 Qd6 7.Qb5+ Nb6 8.Bxf5 exf5 01:41 09.00 -0.46 4..Kxb7 5.Be4+ Kb8 6.Ke2 Qd6 7.Bxf5 exf5 8.Rb1+ Kc8 9.Qa4+ cxd4 10.exd4 07:54 10.00 -0.05 4..Kxb7 5.Be4+ Kb8 6.Qa4 Nd6 7.Bc6 Nb6 8.Qa5 Eelco
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