Author: Uri Blass
Date: 12:57:24 05/20/01
I gave Deep Fritz to analyze move 34 for a long time and Deep Fritz believes that there is still equality before 34...Qxf1+ kasparov - Deeper blue [D]3rr1k1/1p6/2p3Pp/1q2nP2/pP2p3/P1B1NbP1/2P3B1/R4Q1K b - - 0 1 Analysis by Deep Fritz: 34...Qxf1+ 35.Rxf1 ³ (-0.47) Depth: 1/5 00:00:00 34...Bxg2+! ³ (-0.53) Depth: 1/5 00:00:00 34...Bxg2+! 35.Qxg2 µ (-1.03) Depth: 1/5 00:00:00 34...Bxg2+ 35.Qxg2 Nf3 µ (-1.03) Depth: 2/10 00:00:00 34...Bxg2+ 35.Kxg2 Qb6 36.Re1 µ (-0.84) Depth: 3/14 00:00:00 1kN 34...Bxg2+-- ³ (-0.53) Depth: 4/14 00:00:00 3kN 34...Bxg2+-- 35.Kxg2 Qxf1+ 36.Rxf1 b5 37.g4 = (-0.19) Depth: 4/14 00:00:00 4kN 34...Qe2! = (-0.22) Depth: 4/15 00:00:00 8kN 34...Qe2! 35.Qxe2 Bxe2 36.Bxe4 Nxg6 ³ (-0.44) Depth: 4/15 00:00:00 9kN 34...Ng4! ³ (-0.47) Depth: 4/15 00:00:00 16kN 34...Ng4! 35.Nxg4 Qxf1+ 36.Rxf1 ³ (-0.56) Depth: 4/15 00:00:00 17kN 34...Ng4-- = (-0.25) Depth: 5/15 00:00:00 26kN 34...Ng4-- 35.Nxg4 Bxg4 36.Qxb5 cxb5 37.f6 Kf8 = (-0.03) Depth: 5/15 00:00:00 27kN 34...Qe2! = (-0.06) Depth: 5/15 00:00:00 29kN 34...Qe2! 35.Qxe2 Bxe2 36.Re1 Bf3 37.g4 ³ (-0.38) Depth: 5/15 00:00:00 31kN 34...Qe2 35.Qxe2 Bxe2 36.Re1 Bf3 37.Rf1 ³ (-0.38) Depth: 6/18 00:00:00 63kN 34...Qe2 35.Qxe2 Bxe2 36.Re1 Bf3 37.Rf1 Be2 38.Rf4 ³ (-0.34) Depth: 7/20 00:00:00 158kN 34...Qe2 35.Qxe2 Bxe2 36.Re1 Bf3 37.Rf1 Bxg2+ 38.Kxg2 b5 39.g4 = (-0.19) Depth: 8/20 00:00:00 306kN 34...Qe2 35.Qxe2 Bxe2 36.Re1 Bf3 37.Rf1 = (-0.19) Depth: 9/22 00:00:01 759kN 34...Qe2-- = (0.12) Depth: 10/21 00:00:02 1468kN 34...Qe2-- = (0.12) Depth: 10/25 00:00:02 1650kN 34...h5! = (0.09) Depth: 10/28 00:00:06 4274kN 34...h5 35.Qxb5 cxb5 36.Rf1 Rc8 37.Bd4 Kf8 38.c3 Rcd8 39.Bc5+ Kg8 40.Bd4 = (0.00) Depth: 11/28 00:00:09 6227kN 34...h5 35.Bxf3 exf3 36.Qh3 Nxg6 37.Qxh5 Ne5 38.Ng4 f2 39.Nf6+ Kf8 40.Kg2 ² (0.44) Depth: 12/30 00:00:23 15734kN 34...Qe2! ² (0.41) Depth: 12/33 00:00:24 16682kN 34...Qe2-- ± (0.72) Depth: 13/31 00:01:09 46235kN 34...Qe2-- ± (0.72) Depth: 13/35 00:01:12 48416kN 34...h5! ² (0.69) Depth: 13/35 00:01:17 52047kN 34...h5! 35.Bxf3 exf3 36.Qh3 Nxg6 37.Qxh5 Ne5 38.Bd4 Re7 39.c4 Rxd4 40.cxb5 ² (0.50) Depth: 13/35 00:01:31 61762kN 34...h5 35.Bxf3 Qxf1+ 36.Rxf1 exf3 37.Bxe5 Rxe5 38.Rxf3 Rde8 39.Nc4 Re1+ 40.Kg2 ± (0.75) Depth: 14/37 00:03:20 136372kN 34...Qe2! ± (0.72) Depth: 14/37 00:04:19 176450kN 34...Kf8! ² (0.69) Depth: 14/37 00:05:48 239272kN 34...Kf8 35.Bxf3 Qxf1+ 36.Rxf1 exf3 37.Bxe5 Rxe5 38.Rxf3 c5 39.b5 Rde8 40.Nc4 ± (0.72) Depth: 15/37 00:09:07 375585kN 34...Kf8 35.Bxf3 Qxf1+ 36.Rxf1 exf3 37.Bxe5 Rxe5 38.Rxf3 Rd2 39.Kg1 Re2 ² (0.59) Depth: 16/42 00:39:22 1611437kN 34...h5! ² (0.56) Depth: 16/42 00:42:24 1736905kN 34...h5! 35.Bxf3 Qxf1+ 36.Rxf1 exf3 37.Bxe5 Rxe5 38.Rxf3 Rde8 39.Ng2 Kg7 40.Nh4 ² (0.41) Depth: 16/43 00:46:19 1899361kN 34...h5 35.Bxf3 Qxf1+ 36.Rxf1 exf3 37.Bxe5 Rxe5 38.Rxf3 Rde8 39.Ng2 Kg7 40.Nh4 ² (0.34) Depth: 17/44 01:39:32 4095994kN 34...h5 35.Bxf3 Qxf1+ 36.Rxf1 exf3 37.Bxe5 Rxe5 38.Rxf3 Rde8 39.Nc4 Re1+ 40.Kg2 = (0.25) Depth: 18/44 02:57:20 7338761kN 34...h5 35.Bxf3 Qxf1+ 36.Rxf1 exf3 37.Bxe5 Rxe5 38.Rxf3 Rde8 39.f6 Rf8 40.Kg2 = (0.00) Depth: 19/48 07:37:57 18978432kN (Blass, Tel-Aviv 20.05.2001) For comparison the evaluation of Deep Fritz at move 43 is 2.12 pawns advantage for white at depth 20 so maybe if we look in moves 34-42 we can find the tactical blunder of Deeper blue. Uri
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