Author: Peter Skinner
Date: 10:03:11 01/21/05
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On January 21, 2005 at 12:39:00, Richard Pijl wrote: >On January 21, 2005 at 03:47:50, Peter Skinner wrote: > >>In Polgar - Adams game today, Polgar missed 35. Bf2. Can your program find it? >> >>[d]1q4k1/5pp1/3pbn1p/b7/2r1PP2/2N1B2P/1PQ3P1/1B2R1K1 w - - bm Bf2 >> >>Peter > >The Baron on P4-2.4 finds and keeps it in 14 seconds: > > ply time nodes score pv > 4( 6). 0:00.16 15463 +0.64 Be3-f2 Rc4-b4 Re1-e2 Ba5-b6 > 5( 7)& 0:00.22 25928 +0.76 Be3-f2 Rc4-b4 Re1-e2 Ba5-b6 Qc2-d2 > 5( 9). 0:00.33 41101 +0.76 Be3-f2 Rc4-b4 Re1-e2 Ba5-b6 Qc2-d2 > 6(12)& 0:00.60 74020 +0.33 Be3-f2 Qb8-c7 Re1-e3 Ba5-b6 Re3-e2 > Bb6-d4 > 6(12)& 0:01.31 167651 +0.37 Be3-d2 Qb8-a7 Kg1-f1 Qa7-e7 Bb1-a2 > Ba5-b6 Bd2-e3 > 6(12)& 0:01.42 188198 +0.56 f4-f5 Be6-d7 Be3-f2 Rc4-b4 Re1-e2 > Ba5-b6 > 6(12). 0:01.59 229447 +0.56 f4-f5 Be6-d7 Be3-f2 Rc4-b4 Re1-e2 > Ba5-b6 > 7(13)& 0:01.81 281747 +0.57 f4-f5 Be6-d7 Be3-f2 Ba5-b6 Bb1-a2 > Bd7-a4 Qc2-d2 > 7(13). 0:02.47 430626 +0.57 f4-f5 Be6-d7 Be3-f2 Ba5-b6 Bb1-a2 > Bd7-a4 Qc2-d2 > 8(12)& 0:03.35 637751 +0.50 f4-f5 Be6-d7 Qc2-d2 Rc4-b4 Re1-e2 > Ba5-b6 Be3-f2 Bb6-c5 > 8(14). 0:05.65 1179098 +0.50 f4-f5 Be6-d7 Qc2-d2 Rc4-b4 Re1-e2 > Ba5-b6 Be3-f2 Bb6-c5 > 9(14)& 0:08.29 1802903 +0.34 f4-f5 Be6-d7 Be3-f2 Bd7-c6 Qc2-d3 > Rc4-b4 Qd3-a6 Ba5-b6 Bf2xb6 (Rb4xb6) > 9(15)& 0:13.89 3118363 +0.51 Be3-f2 Rc4-b4 Re1-e2 Ba5-b6 Qc2-d2 > Be6-c4 Bb1-d3 Bb6xf2 Re2xf2 Bc4xd3 > 9(15). 0:19.22 4416225 +0.51 Be3-f2 Rc4-b4 Re1-e2 Ba5-b6 Qc2-d2 > Be6-c4 Bb1-d3 Bb6xf2 Re2xf2 Bc4xd3 > 10(16)& 0:30.64 7052696 +0.58 Be3-f2 Rc4-b4 Re1-e2 Ba5-b6 Bf2xb6 > Qb8xb6 Kg1-h2 Qb6-c5 Qc2-d1 Qc5-b6 Qd1-d2 > 10(16). 0:47.18 11133664 +0.58 Be3-f2 Rc4-b4 Re1-e2 Ba5-b6 Bf2xb6 > Qb8xb6 Kg1-h2 Qb6-c5 Qc2-d1 Qc5-b6 Qd1-d2 > 11(18)& 1:13.10 17189368 +0.58 Be3-f2 Rc4-b4 Re1-e2 Ba5-b6 Kg1-h2 > Be6-c4 Re2-d2 Bb6xf2 Rd2xf2 Qb8-c8 Qc2-d1 > 11(18). 1:39.08 23688594 +0.58 Be3-f2 Rc4-b4 Re1-e2 Ba5-b6 Kg1-h2 > Be6-c4 Re2-d2 Bb6xf2 Rd2xf2 Qb8-c8 Qc2-d1 > 12(18)& 2:45.76 39074017 +0.51 Be3-f2 Rc4-b4 Re1-e2 Ba5-b6 Qc2-d2 > Be6-c4 Bb1-d3 Bb6xf2 Re2xf2 Bc4xd3 Qd2xd3 > Rb4xb2 Rf2xb2 > 12(19). 4:40.17 65636194 +0.51 Be3-f2 Rc4-b4 Re1-e2 Ba5-b6 Qc2-d2 > Be6-c4 Bb1-d3 Bb6xf2 Re2xf2 Bc4xd3 Qd2xd3 > Rb4xb2 Rf2xb2 Wow that is pretty amazing. According the post game analysis, Bf2 is the winning move that Polgar missed. Peter
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