Author: Chessfun
Date: 22:44:57 07/10/00
Go up one level in this thread
On July 11, 2000 at 01:17:39, blass uri wrote: >On July 10, 2000 at 18:31:54, Amir Ban wrote: ><snipped> >>In retrospect Junior's Bxe7 is an error >>and after the game Anand suggested Be3 instead as a clear win. > >[D]2r2rk1/4ppb1/1p2n3/4P1B1/1p6/5P2/PPP1BP2/R3K2R w KQ - 0 1 > >Can Deep Junior find Be3 at longer time control and how much time does it need >to find Be3? > >Can my idea to extend forced moves help Junior to find Be3? > >My idea is that if the opponent's move is forced tactically(in this example Re8 >is forced after Bxe7) not to play your move on the board but to give Junior to >analyze the position after Bxe7 Re8 and if there is a significant drop in the >evaluation to go back to the position before Bxe7 Re8 to analyze it again. > >You need to search to see that a move is forced and my idea is to search the two >best moves of the opponent for one second in order to check it. > >The result is that you lose one second per move in most of the cases because >there is not a forced move in most of the cases but you can avoid mistakes >in some cases. > >You may lose more time if the move that you guess that is forced is not forced >but I think that it will be rare. > ><snipped> >>The move Bg7 is fantastic, especially since the >>alternative Rg8 doesn't look like it will hold. > >Did Junior find the move 33...Bg7 thanks to hardware improvement,software >improvement or both. > >[D]2k1r3/2pb4/1p5b/2p2pNp/p1P2N1P/1P3P2/P1KR2P1/8 b - - 0 1 >How much time do Junior6a or the commercial Deep Junior need to see 33...Bg7? > >Uri >> >>Amir New position 2k1r3/2pb4/1p5b/2p2pNp/p1P2N1P/1P3P2/P1KR2P1/8 b - - 0 1 Analysis by Junior 6a: 1...Rg8 2.Nxh5 Bxg5 3.hxg5 Rxg5 4.Nf4 axb3+ 5.axb3 Rg8 6.Kd3 = (0.05) Depth: 9 00:00:00 59kN 1...Rg8 2.Nxh5 Bxg5 3.hxg5 Rxg5 4.Nf4 Rg8 5.Kc3 Re8 6.bxa4 Bxa4 = (0.07) Depth: 12 00:00:04 1145kN 1...Rg8 2.Nxh5 Bxg5 3.hxg5 Rxg5 4.Nf4 Rg3 5.Kc3 axb3 6.axb3 c6 7.Rd1 Kc7 = (0.08) Depth: 15 00:00:30 7511kN 1...Rg8 2.Nxh5 Bxg5 3.hxg5 Rxg5 4.Nf4 Rg3 5.Nd5 Kb7 6.Kc3 axb3 7.axb3 Bc6 8.Nf4 = (0.07) Depth: 17 00:02:06 31500kN 1...Rg8 2.Nxh5 Bxg5 3.hxg5 Rxg5 4.Nf4 Rg3 5.Kc3 axb3 6.axb3 Rg8 7.Re2 Rg7 8.Re5 = (0.08) Depth: 18 00:05:09 76930kN (Bird, Scarb 11.07.2000) 2k1r3/2pb4/1p5b/2p2pNp/p1P2N1P/1P3P2/P1KR2P1/8 b - - 0 1 Analysis by Deep Junior 6.0: 1...Rg8 2.Nxh5 Bxg5 3.hxg5 Rxg5 4.Nf4 axb3+ 5.axb3 Rg8 6.Kd3 = (0.05) Depth: 9 00:00:00 43kN 1...Rg8 2.Nxh5 Bxg5 3.hxg5 Rxg5 4.Nf4 Rg8 5.Kd3 Rd8 6.bxa4 Bxa4+ = (0.07) Depth: 12 00:00:04 1184kN 1...Bg7 2.Nxh5 Bd4 3.g3 = (0.06) Depth: 12 00:00:05 1184kN 1...Bg7 2.Nxh5 Bd4 3.Nh3 Rh8 4.N3f4 Be3 5.Re2 axb3+ 6.axb3 = (0.07) Depth: 15 00:00:15 3939kN 1...Bg7 2.Nxh5 Bd4 3.g3 Re1 4.Nf4 Ra1 5.bxa4 Rxa2+ 6.Kd3 Ra3+ 7.Ke2 Rxa4 8.Rc2 Kd8 = (0.20) Depth: 17 00:01:03 16108kN 1...Rg8 2.Nxh5 Bxg5 3.hxg5 Rxg5 4.Nf4 Rg3 5.Nd5 Rg7 6.Kc3 = (0.12) Depth: 17 00:02:35 16108kN 1...Rg8 2.Nxh5 Bxg5 3.hxg5 Rxg5 4.Nf4 Rg3 5.Kc3 axb3 6.axb3 Bc6 7.Re2 Kd8 = (0.10) Depth: 18 00:07:59 111319kN (Bird, Scarb 11.07.2000) I assume if the commercial version is the same as playing that it will switch back to Bg7. I will leave it running and see. Thanks.
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