Author: Uri Blass
Date: 04:08:13 05/04/01
Go up one level in this thread
On May 04, 2001 at 06:55:36, Uri Blass wrote: >On May 04, 2001 at 06:22:48, Uri Blass wrote: > >>I guess that Deeper blue blundered in the first game by 33...Qb5 >> >>Here is Deep Dritz's analysis after 14 hours and 30 minutes on p800(64 Mbytes >>hash). >> >>It finished iteration 18 and it does not like Deeper blue's move >>It will be interesting to see analysis of other programs. >> >> >>New game - Deep Fritz >>[D]3rr1k1/1p6/1qp3Pp/4nP2/pP2p3/P1B1NbP1/2P3B1/R1Q4K b - - 0 1 >> >>Analysis by Deep Fritz: >> >>33...Qxe3-- >> +- (2.12) Depth: 1/5 00:00:00 >>33...Qxe3-- 34.Qxe3 >> +- (5.22) Depth: 1/5 00:00:00 >>33...Bxg2+! >> +- (1.56) Depth: 1/5 00:00:00 >>33...Bxg2+! 34.Kxg2 >> µ (-1.16) Depth: 1/5 00:00:00 >>33...Bxg2+ 34.Kxg2 Nf3 >> µ (-1.16) Depth: 2/8 00:00:00 >>33...Bxg2+ 34.Kxg2 Qb5 35.Qe1 >> µ (-1.09) Depth: 3/9 00:00:00 >>33...Bxg2+ 34.Kxg2 Qb5 35.Qf1 Qb6 >> µ (-1.09) Depth: 4/13 00:00:00 1kN >>33...Bxg2+ 34.Kxg2 Qb5 35.Qf1 Qb6 36.Re1 >> µ (-0.84) Depth: 5/17 00:00:00 12kN >>33...Qc7! >> µ (-0.88) Depth: 5/17 00:00:00 20kN >>33...Qc7 34.Qg1 Bxg2+ 35.Qxg2 Qb6 36.Re1 Nf3 >> ³ (-0.66) Depth: 6/20 00:00:00 54kN >>33...Rd6! >> ³ (-0.69) Depth: 6/20 00:00:00 96kN >>33...Rd6! 34.Bxf3 exf3 35.Bxe5 Rxe5 36.Ng4 Re2 37.f6 >> µ (-0.84) Depth: 6/20 00:00:00 102kN >>33...Rd6 34.Bxf3 exf3 35.Bxe5 Rxe5 36.Ng4 Red5 37.Nxh6+ Kg7 38.Qg5 >> ³ (-0.66) Depth: 7/18 00:00:00 159kN >>33...Qc7! >> ³ (-0.69) Depth: 7/18 00:00:00 170kN >>33...Qc7! 34.Qg1 Bxg2+ 35.Qxg2 Qb6 36.Re1 Nf3 37.Re2 >> µ (-0.72) Depth: 7/24 00:00:00 201kN >>33...Qc7 34.Bxf3 exf3 35.Qf1 c5 36.Nc4 cxb4 37.Bxe5 Rxe5 38.Nxe5 Qxe5 >> ³ (-0.44) Depth: 8/24 00:00:00 503kN >>33...h5! >> ³ (-0.47) Depth: 8/24 00:00:01 859kN >>33...h5! 34.Bxe5 Rxe5 35.Qb2 Bxg2+ 36.Kxg2 Rd2+ 37.Kh3 Re8 38.Qa2+ Kh8 39.Qb2+ >> ³ (-0.56) Depth: 8/26 00:00:01 929kN >>33...h5 34.Bxe5 Rxe5 35.Qb2 Qc7 36.Rf1 Bxg2+ 37.Kxg2 >> ³ (-0.50) Depth: 9/26 00:00:02 1435kN >>33...h5-- >> = (-0.19) Depth: 10/30 00:00:03 2497kN >>33...h5-- 34.Bxe5 Rxe5 35.Qb2 Bxg2+ 36.Kxg2 Qc7 37.Rh1 Rd2+ 38.Kf1 Re7 39.Rxh5 >> = (-0.16) Depth: 10/31 00:00:04 2877kN >>33...Qc7! >> = (-0.19) Depth: 10/31 00:00:06 3757kN >>33...Qa7! >> = (-0.22) Depth: 10/31 00:00:14 9016kN >>33...Qa7! 34.Bxf3 exf3 35.Bxe5 Rxe5 36.Ng4 Qd4 37.Nxe5 >> ³ (-0.41) Depth: 10/31 00:00:16 10211kN >>33...Qa7 34.Bxf3 exf3 35.f6 Nxg6 36.Ng4 b6 37.f7+ Kxf7 38.Qxh6 Rh8 39.Bxh8 >> = (-0.25) Depth: 11/30 00:00:25 15812kN >>33...h5! >> ³ (-0.28) Depth: 11/31 00:00:30 18946kN >>33...h5-- >> = (0.03) Depth: 12/33 00:00:42 26594kN >>33...h5-- >> = (0.03) Depth: 12/36 00:00:47 29311kN >>33...Qa7! >> = (0.00) Depth: 12/36 00:00:58 35464kN >>33...Qa7! 34.Bxe5 Rxe5 35.Qb2 Qd4 36.Qxd4 Rxd4 37.Rf1 c5 38.bxc5 Bxg2+ 39.Kxg2 >> = (-0.13) Depth: 12/36 00:01:05 39672kN >>33...Qa7 34.Bxf3 exf3 35.f6 Nxg6 36.Ng4 b6 37.Qxh6 Qf7 38.Qg5 Kf8 39.Qh6+ >> = (0.00) Depth: 13/34 00:02:05 76936kN >>33...Qc7! >> = (0.12) Depth: 13/37 00:02:38 96624kN >>33...Qc7! 34.Qb2 Kf8 35.Rf1 Rd7 36.Bxe5 Bxg2+ 37.Kxg2 Qxe5 38.Qxe5 >> = (0.09) Depth: 13/37 00:02:59 110647kN >>33...Rd6! >> = (0.06) Depth: 13/37 00:03:53 142691kN >>33...Rd6! 34.Rb1 Qd8 35.Qb2 Nxg6 36.Rf1 Nh4 37.gxh4 Qxh4+ 38.Kg1 Qg5 39.Bd4 >> = (-0.16) Depth: 13/37 00:06:06 227545kN >>33...Rd6 34.Rb1 Qd8 35.Qb2 Nxg6 36.Rf1 Nh4 37.gxh4 Qxh4+ 38.Kg1 Bxg2 39.Nxg2 >> = (-0.09) Depth: 14/37 00:10:36 407868kN >>33...Rd6 34.Bxe5 Rxe5 35.Qb2 Qd4 36.Qxd4 Rxd4 37.Rf1 c5 38.Bxf3 exf3 39.Rxf3 >> = (-0.03) Depth: 15/40 00:20:43 814175kN >>33...Rd6 34.Bxe5 Rxe5 35.Qb2 Qd4 36.Qxd4 Rxd4 37.Rf1 c5 38.Bxf3 exf3 39.Rxf3 >> = (-0.06) Depth: 16/41 00:48:40 1932887kN >>33...Rd6 34.Bxe5 Rxe5 35.Qb2 Qd4 36.Qxd4 Rxd4 37.Rf1 Kg7 38.Bxf3 exf3 39.Rxf3 >> = (0.06) Depth: 17/44 01:56:04 4658313kN >>33...Rd6 34.Bxe5 Rxe5 35.Qb2 Bxg2+ 36.Kxg2 Qxe3 37.Qxe5 Qf3+ 38.Kg1 Qe3+ 39.Kh1 >> = (0.00) Depth: 18/46 04:38:10 11254783kN >> >>(Blass, Tel-Aviv 04.05.2001) >> >>Uri > >Here is Deep Fritz's analysis after 33...Qb5 34.Qf1(I gave it only to finish >depth 15 but Deep Fritz "feels" bad and the score dropped by 0.72). > >Deeper blue could not see it because it was a root processor and only after >trading queens it could understand that it was bad. > > >New game - Deep Fritz >[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.Kxg2 Qxf1+ 36.Rxf1 b5 37.g4 > = (-0.19) Depth: 4/14 00:00:00 4kN >34...Bxg2+ 35.Kxg2 Qxf1+ 36.Rxf1 b5 37.g4 > = (-0.19) Depth: 4/14 00:00:00 4kN >34...Bxg2+ 35.Kxg2 Qxf1+ 36.Rxf1 b5 37.g4 > = (-0.19) Depth: 4/14 00:00:00 4kN >34...Bxg2+ 35.Kxg2 Qxf1+ 36.Rxf1 b5 37.g4 > = (-0.19) Depth: 4/14 00:00:00 4kN >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 00:01:08 46235kN >34...Qe2-- > ± (0.72) Depth: 13/35 00:01:11 48416kN >34...h5! > ² (0.69) Depth: 13/35 00:01:16 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 00:03:21 136372kN >34...Qe2! > ± (0.72) Depth: 14/37 00:04:21 176450kN >34...Kf8! > ² (0.69) Depth: 14/37 00:05:51 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 00:09:23 375585kN > >(Blass, Tel-Aviv 04.05.2001) It seems that I stopped the analysis of deep Fritz too early Here is some analysis after 34...Qxf1+ 35.Rxf1 New game - Deep Fritz 3rr1k1/1p6/2p3Pp/4nP2/pP2p3/P1B1NbP1/2P3B1/5R1K b - - 0 1 Analysis by Deep Fritz: 35...Bxg2+-- ³ (-0.28) Depth: 1/3 00:00:00 35...Bxg2+-- ³ (-0.28) Depth: 1/3 00:00:00 35...b6! ³ (-0.34) Depth: 1/7 00:00:00 35...b6! 36.Bxe5 ³ (-0.38) Depth: 1/7 00:00:00 35...b6 36.Bxe5 Bxg2+ 37.Kxg2 ³ (-0.38) Depth: 2/7 00:00:00 35...Ng4! ³ (-0.41) Depth: 2/9 00:00:00 35...Ng4! 36.Re1 Nxe3 ³ (-0.53) Depth: 2/9 00:00:00 35...Ng4-- ² (0.28) Depth: 3/10 00:00:00 35...Ng4-- ² (0.28) Depth: 3/12 00:00:00 1kN 35...b6! = (0.22) Depth: 3/12 00:00:00 1kN 35...b6! 36.Bxf3 = (-0.13) Depth: 3/12 00:00:00 1kN 35...Bxg2+! = (-0.22) Depth: 3/12 00:00:00 1kN 35...Bxg2+! 36.Kxg2 ³ (-0.28) Depth: 3/12 00:00:00 1kN 35...Bxg2+ 36.Kxg2 Rd7 37.g4 b6 = (-0.13) Depth: 4/10 00:00:00 3kN 35...Be2! = (-0.16) Depth: 4/14 00:00:00 4kN 35...Be2! 36.Rf2 Bf3 37.Bxe5 Bxg2+ 38.Kxg2 = (-0.22) Depth: 4/14 00:00:00 4kN 35...Be2-- = (0.09) Depth: 5/12 00:00:00 8kN 35...Be2-- 36.Rf2 Bh5 = (0.12) Depth: 5/14 00:00:00 12kN 35...Bxg2+! = (0.09) Depth: 5/14 00:00:00 12kN 35...Bxg2+ 36.Kxg2 b6 37.f6 Kf8 38.Bxe5 Rd2+ 39.Kh3 Rxe5 ² (0.31) Depth: 6/16 00:00:00 30kN 35...Rd6! ² (0.28) Depth: 6/17 00:00:00 54kN 35...Kf8! = (0.25) Depth: 6/20 00:00:00 61kN 35...Kf8! 36.Bxe5 Bxg2+ 37.Kxg2 = (0.22) Depth: 6/20 00:00:00 64kN 35...Kf8 36.Bxe5 Bxg2+ 37.Kxg2 Rxe5 38.Nc4 = (0.00) Depth: 7/20 00:00:00 87kN 35...Kf8-- ² (0.47) Depth: 8/21 00:00:00 155kN 35...Kf8-- 36.Bxf3 exf3 37.Bxe5 Rxe5 38.Rxf3 Rde8 39.Nc4 Re2 40.Nd6 ² (0.59) Depth: 8/23 00:00:00 200kN 35...Bxg2+! ² (0.56) Depth: 8/23 00:00:00 213kN 35...h5! ² (0.53) Depth: 8/24 00:00:00 369kN 35...h5! 36.Bxf3 Nxf3 37.f6 ² (0.37) Depth: 8/24 00:00:00 389kN 35...h5 36.Bxf3 Nxf3 37.f6 Re6 38.Nf5 Kf8 39.Ng7 Red6 40.Nxh5 ² (0.50) Depth: 9/23 00:00:00 489kN 35...h5 36.Bxf3 exf3 37.Bxe5 Rxe5 38.Rxf3 Rde8 39.Ng2 Kg7 40.c4 Kf6 41.Nh4 ² (0.69) Depth: 10/23 00:00:01 938kN 35...h5 36.Bxf3 exf3 37.Bxe5 Rxe5 38.Rxf3 Kg7 39.Kg2 Kf6 40.Kf1 Rde8 41.Kf2 ± (0.75) Depth: 11/26 00:00:03 2219kN 35...Kf8! ± (0.72) Depth: 11/28 00:00:04 2901kN 35...Kf8! 36.Bxf3 exf3 37.Bxe5 Rxe5 38.Rxf3 c5 39.b5 Rde8 40.Nc4 Re1+ 41.Kg2 ² (0.62) Depth: 11/28 00:00:04 3175kN 35...Kf8 36.Bxf3 exf3 37.Bxe5 Rxe5 38.Rxf3 c5 39.b5 Rde8 40.Nc4 Re1+ 41.Kg2 ² (0.69) Depth: 12/28 00:00:07 5121kN 35...Kf8 36.Bxf3 exf3 37.Bxe5 Rxe5 38.Rxf3 c5 39.b5 Rde8 40.Nc4 Rd5 41.Rf2 ± (0.72) Depth: 13/29 00:00:15 10527kN 35...Kf8 36.Bxf3 exf3 37.Bxe5 Rxe5 38.Rxf3 Rd2 39.Kg1 Re2 40.Ng4 Re1+ 41.Kg2 ² (0.59) Depth: 14/33 00:00:35 23437kN 35...h5! ² (0.56) Depth: 14/33 00:00:49 31307kN 35...h5! 36.Bxf3 exf3 37.Bxe5 Rxe5 38.Rxf3 Rde8 39.Ng2 Kg7 40.Nh4 Kf6 41.Rd3 ² (0.41) Depth: 14/33 00:01:06 42389kN 35...h5 36.Bxf3 exf3 37.Bxe5 Rxe5 38.Rxf3 Rde8 39.Ng2 Kg7 40.Nh4 Kf6 41.c4 ² (0.28) Depth: 15/37 00:01:54 72894kN 35...h5 36.Bxf3 exf3 37.Bxe5 Rxe5 38.Rxf3 Rde8 39.Nc4 Re1+ 40.Kg2 R8e2+ 41.Rf2 = (0.25) Depth: 16/38 00:03:47 145630kN (Blass, Tel-Aviv 04.05.2001) Deep Fritz is not a root processor in the relevant position and you can see the same +0.72 at depth 13 here but the score at higher depthes is not so good for white so I guess that the score could get better for black with more time but still it understands that trading queens is slightly better for white and black had 33...Rd6 that is probably enough for a draw. Uri
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