Author: Uri Blass
Date: 09:05:18 01/14/06
Go up one level in this thread
On January 14, 2006 at 11:58:42, Uri Blass wrote: >On January 14, 2006 at 11:35:55, Christos Gitsis wrote: > >>This is the game: >> >>1.d4 Ng8f6 2.c4 e6 3.Nb1c3 Bf8b4 4.e3 O-O 5.Bf1d3 c5 6.Ng1f3 d5 7.O-O Nb8c6 8.a3 >>Bb4a5 9.cxd5 exd5 10.dxc5 Ba5xc3 11.bxc3 Bc8g4 12.a4 Qd8a5 13.Ra1b1 Ra8b8 >>14.Rb1b5 Bg4xf3 15.gxf3 Qa5c7 16.Bc1a3 Nc6e5 17.Bd3e2 Rf8e8 18.Qd1d4 h6 19.Rf1d1 >>Re8e6 20.c4 Ne5xc4 21.Be2xc4 dxc4 22.Qd4xc4 Nf6e8 23.Rb5b1 Qc7c6 24.e4 Qc6c7 >>25.Rb1b3 Re6g6 26.Kg1h1 Rb8d8 27.Rd1xd8 Qc7xd8 28.Qc4d3 Qd8h4 29.Qd3f1 Qh4f6 >>30.Ba3c1 Qf6c6 31.Bc1e3 Ne8f6 32.Rb3b4 Nf6d7 33.Be3d4 Nd7xc5 34.Bd4xc5 Qc6xc5 >>35.Rb4b3 Qc5c6 36.Rb3a3 b6 37.Ra3a1 Qc6c3 38.Qf1d1 Qc3b2 39.Qd1e1 Kg8h7 40.Qe1f1 >>Rg6d6 41.Qf1e1 Qb2b3 42.Qe1e2 Rd6d4 43.a5 Qb3c3 44.Ra1a2 Qc3c1 45.Kh1g2 Rd4d6 >>46.f4 Qc1xf4 47.axb6 Rd6g6 48.Kf1 >> >>No repetition of moves. >> >>I tried again after reading your post, and it is strange: one time Glaurung >>finds Qc1+ immediately, and all the other times it sticks to 48...axb6 for at >>least 2-3 minutes and until depth 13 (after that I stop analysing). > >It finds Qc1+ immediatly but for some reason when I played 48...axb6 and took >that move back it could not find it and prefered 48...axb6 > >I can add that for some reason I could not reproduce it even after deleting the >learning file. > >After going backward and forward I could get different move when only at depth >13 it found Qc1+ > >I do not know what is the problem but I suspect that there is some hash bug. > > >,a - Glaurung 1.0.1, Blitz:4'+4" >[D]8/p4ppk/1P4rp/8/4Pq2/8/R3QP1P/5K2 b - - 0 1 > >Analysis by Glaurung 1.0.1: > >48...axb6 49.f3 Qc1+ 50.Qe1 > µ (-1.06) Depth: 2/8 00:00:00 >48...Rxb6 49.Kg2 > µ (-1.14) Depth: 2/8 00:00:00 >48...Qxh2 49.Qf3 Rg1+ 50.Ke2 > -+ (-1.62) Depth: 2/8 00:00:00 >48...Qxh2 49.Qf3 Qg1+ 50.Ke2 Rf6 > µ (-1.34) Depth: 3/8 00:00:00 >48...Qxh2 49.Qf3 axb6 50.Ke2 > -+ (-2.15) Depth: 4/11 00:00:00 >48...Qxh2 49.Qf3 axb6 50.Ke2 Re6 51.Qf5+ Kg8 > -+ (-2.17) Depth: 5/12 00:00:00 >48...Qxh2 49.Qf3 axb6 50.Ke2 Rf6 51.Qg3 > -+ (-2.18) Depth: 6/14 00:00:00 8kN >48...Qxh2 49.Qf3 axb6 50.Qf5 Qc7 51.Ra8 Qc4+ 52.Ke1 Qc1+ 53.Ke2 Qc2+ 54.Ke3 Qc3+ >55.Ke2 > -+ (-2.14) Depth: 7/20 00:00:00 30kN >48...Qxh2 49.Qf3 axb6 50.Qf5 Qc7 51.Ra8 Qc4+ 52.Ke1 Qd3 53.Rb8 > -+ (-2.15) Depth: 8/22 00:00:00 61kN >48...Qxh2 49.Qf3 Qg1+ 50.Ke2 Qb1 51.Rd2 Qb5+ 52.Rd3 Rf6 53.Qg3 Rxb6 54.f4 Qb2+ >55.Kf3 > -+ (-2.29) Depth: 9/28 00:00:00 238kN >48...Qxh2 49.Qf3 Qg1+ 50.Ke2 Qb1 51.Rd2 Qb5+ 52.Rd3 Rf6 53.Qg3 Rxb6 54.f4 Qb2+ >55.Kf3 > -+ (-2.29) Depth: 10/28 00:00:00 324kN >48...Qxh2 49.Qf3 Rf6 50.Qe3 axb6 51.Ke2 Re6 52.Ra6 f5 53.Rxb6 Rxb6 54.Qxb6 fxe4 > -+ (-2.46) Depth: 11/32 00:00:03 1612kN >48...Qxh2 49.Qf3 Rf6 50.Qd3 Rxb6 51.Ke2 Qh5+ 52.Qf3 Qb5+ 53.Qd3 Qe5 54.Qd5 Rb2+ >55.Rxb2 Qxb2+ 56.Ke3 > -+ (-2.46) Depth: 12/36 00:00:07 3515kN >48...Qxh2 49.Qf3 Rf6 50.Qd3 Rxb6 51.Ke2 Qh5+ 52.Qf3 Qb5+ 53.Qd3 Qe5 54.Qd5 Rb2+ >55.Rxb2 Qxb2+ 56.Ke3 Qc1+ 57.Kf3 > -+ (-2.45) Depth: 13/41 00:00:29 14330kN >48...Qc1+ 49.Qe1 Rg1+ 50.Kxg1 Qxe1+ 51.Kg2 Qxe4+ 52.f3 Qg6+ 53.Kf2 Qxb6+ 54.Kg2 >Qg6+ 55.Kf2 a5 56.f4 Qe6 57.Re2 Qh3 58.Ke1 Qh4+ 59.Rf2 > -+ (-7.25) Depth: 13/41 00:00:36 18146kN >48...Qc1+ 49.Qe1 Rg1+ 50.Kxg1 Qxe1+ 51.Kg2 Qxe4+ 52.f3 Qg6+ 53.Kf2 Qxb6+ 54.Kg2 >Qg6+ 55.Kf2 a5 56.Re2 Qb6+ 57.Kf1 a4 58.Kg2 Qe6 59.Rd2 a3 > -+ (-7.54) Depth: 14/46 00:00:44 22782kN >48...Qc1+ 49.Qe1 Rg1+ 50.Kxg1 Qxe1+ 51.Kg2 Qxe4+ 52.f3 Qg6+ 53.Kf2 Qxb6+ 54.Kg2 >Qg6+ 55.Kf2 a5 56.Re2 Qb6+ 57.Kg2 a4 58.h3 Qe6 59.Rd2 a3 60.Rd8 > -+ (-7.62) Depth: 15/46 00:00:46 24066kN > >(, 14.01.2006) > >Uri Here is another analysis I simply played 48...axb6 forward and backward few times In the first times that I did it 48...Qc1+ was suggested but after some times Glaurung suddenly needs more than a minute to find it. ,a - Glaurung 1.0.1, Blitz:4'+4" 8/p4ppk/1P4rp/8/4Pq2/8/R3QP1P/5K2 b - - 0 1 Analysis by Glaurung 1.0.1: 48...axb6 49.Qh5 Qxe4 -+ (-2.10) Depth: 2/8 00:00:00 48...axb6 49.Qe3 Qxh2 -+ (-2.37) Depth: 3/8 00:00:00 48...axb6 49.Qe3 Qxh2 50.Ke2 -+ (-2.14) Depth: 4/10 00:00:00 48...axb6 49.Qe3 Qxh2 50.Ke2 Rd6 -+ (-2.40) Depth: 5/12 00:00:00 48...axb6 49.Qe3 Qxh2 50.Ke2 Rd6 51.Rc2 -+ (-2.43) Depth: 6/15 00:00:00 6kN 48...axb6 49.Qe3 Qxh2 50.Ke2 Rd6 51.Qf3 Qe5 -+ (-2.42) Depth: 7/16 00:00:00 11kN 48...axb6 49.Rd2 Qxh2 50.Qf3 Rg1+ 51.Ke2 Qe5 52.Rd8 Rc1 53.Qg4 -+ (-2.43) Depth: 8/24 00:00:00 110kN 48...axb6 49.Rd2 Qxh2 50.Qf3 Rg1+ 51.Ke2 Qe5 52.Rd8 Rc1 53.Qg4 Qb2+ 54.Kf3 Qf6+ 55.Qf4 Qxd8 56.Qxc1 -+ (-2.46) Depth: 9/24 00:00:00 157kN 48...axb6 49.Rd2 Qxh2 50.Qf3 Rg1+ 51.Ke2 Qe5 52.Rd5 Qb2+ 53.Rd2 Qb5+ 54.Rd3 f6 55.Qh3 -+ (-2.46) Depth: 10/33 00:00:02 611kN 48...axb6 49.Rd2 Qxh2 50.Qf3 Rg1+ 51.Ke2 Qe5 52.Qf5+ Qxf5 53.exf5 Rc1 54.Rd7 f6 55.Ke3 -+ (-2.48) Depth: 11/33 00:00:03 1444kN 48...axb6 49.Rc2 Qxh2 50.Qf3 Qe5 51.Rd2 Rf6 52.Qd3 Rc6 53.Qb1 b5 54.Rd7 -+ (-2.50) Depth: 12/38 00:00:12 5926kN 48...axb6 49.Rc2 Qxh2 50.Qf3 Qe5 51.Rd2 Rf6 52.Qd3 b5 53.Qb1 Qc3 54.e5+ Rg6 55.Qb2 -+ (-2.53) Depth: 13/38 00:00:20 9986kN 48...Qc1+ 49.Qe1 Rg1+ 50.Kxg1 Qxe1+ 51.Kg2 Qxe4+ 52.f3 Qg6+ 53.Kf2 Qxb6+ 54.Kg2 Qg6+ 55.Kf2 a5 56.h3 Qb1 57.Re2 a4 58.Re7 Kg6 -+ (-7.07) Depth: 13/47 00:01:02 30965kN 48...Qc1+ 49.Qe1 Rg1+ 50.Kxg1 Qxe1+ 51.Kg2 Qxe4+ 52.f3 Qg6+ 53.Kf2 Qxb6+ 54.Kg2 Qg6+ 55.Kf2 a5 56.h3 Qb1 57.Re2 a4 58.Re7 Qa2+ 59.Kg3 a3 -+ (-7.25) Depth: 14/47 00:01:08 34841kN 48...Qc1+ 49.Qe1 Rg1+ 50.Kxg1 Qxe1+ 51.Kg2 Qxe4+ 52.f3 Qg6+ 53.Kf2 Qxb6+ 54.Kg2 Qg6+ 55.Kf2 a5 56.Ra1 a4 57.h3 Qb6+ 58.Kg3 a3 59.Re1 Qg6+ 60.Kf2 Qc2+ 61.Kg3 -+ (-7.62) Depth: 15/47 00:01:12 37555kN (, 14.01.2006)
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