Author: Dann Corbit
Date: 19:14:51 09/24/01
Go up one level in this thread
On September 24, 2001 at 16:06:45, Robert Hyatt wrote: >On September 24, 2001 at 06:59:42, Uri Blass wrote: > >>On September 24, 2001 at 01:41:30, Michel Langeveld wrote: >> >>>a3 seems to be also a very good move >>> >>>====================================================================== >>>! ECM.1354 ! >>>====================================================================== >>> >>> +---+---+---+---+---+---+---+---+ >>> 8 | *R| | | *Q| | *R| *K| | >>> +---+---+---+---+---+---+---+---+ >>> 7 | *P| | | | | | *P| *P| >>> +---+---+---+---+---+---+---+---+ >>> 6 | *B| *N| | *P| | *P| | | >>> +---+---+---+---+---+---+---+---+ >>> 5 | | | *P| P | | | | | >>> +---+---+---+---+---+---+---+---+ >>> 4 | | *B| P | | N | P | | | >>> +---+---+---+---+---+---+---+---+ >>> 3 | | | | B | | R | | | >>> +---+---+---+---+---+---+---+---+ >>> 2 | P | B | Q | | | | P | P | >>> +---+---+---+---+---+---+---+---+ >>> 1 | R | | | | | | K | | >>> +---+---+---+---+---+---+---+---+ >>> a b c d e f g h >>> >>>solution 1. Ng5 >>> time surplus 0.00 time limit 20:00 (20:00) >>> nss depth time score variation (1) >>> 7 0.33 0.56 1. Ng3 Kh8 2. a3 Ba5 3. Re3 Re8 4. >>> Rxe8+ Qxe8 5. Rb1 >>> 7-> 0.71 0.56 1. Ng3 Kh8 2. a3 Ba5 3. Re3 Re8 4. >>> Rxe8+ Qxe8 5. Rb1 >>> 8 0.88 0.42 1. Ng3 Kh8 2. a3 Ba5 3. Re3 Re8 4. >>> Nf5 Rxe3 5. Nxe3 >>> 8 1.54 0.47 1. Nf2 Kh8 2. Rh3 h6 3. Rb1 Re8 4. >>> Bg6 Re7 >>> 8-> 4.18 0.47 1. Nf2 Kh8 2. Rh3 h6 3. Rb1 Re8 4. >>> Bg6 Re7 >>> 9 5.11 0.45 1. Nf2 h6 2. a3 Ba5 3. Re3 Re8 4. Re6 >>> Rb8 5. Rb1 >>> 9 9.28 0.52 1. Rh3 h6 2. a3 Ba5 3. Rb1 Rb8 4. Re3 >>> Re8 5. Qe2 >>> 9 14.25 0.54 1. Re3 Rb8 2. Ng3 Re8 3. Re6 Kf8 4. >>> Nf5 Nc8 5. Rb1 >>> 9-> 15.43 0.54 1. Re3 Rb8 2. Ng3 Re8 3. Re6 Kf8 4. >>> Nf5 Nc8 5. Rb1 >>> 10 31.38 0.48 1. Re3 Qd7 2. Ng3 Kh8 3. a3 Ba5 4. >>> Rf1 Rae8 5. Bf5 Qc7 <HT> >>> 10 46.82 ++ 1. Ng5!! >>> 10 1:02 2.45 1. Ng5 h6 2. Ne6 Qd7 3. Nxf8 Rxf8 4. >>> a3 Ba5 5. Bh7+ Kh8 6. Bf5 >>> 10-> 1:03 2.45 1. Ng5 h6 2. Ne6 Qd7 3. Nxf8 Rxf8 4. >>> a3 Ba5 5. Bh7+ Kh8 6. Bf5 >>> 11 1:14 2.45 1. Ng5 h6 2. Ne6 Qc8 3. Nxf8 Qxf8 4. >>> a3 Ba5 5. Re3 Re8 6. Re6 >>> 11-> 1:19 2.45 1. Ng5 h6 2. Ne6 Qc8 3. Nxf8 Qxf8 4. >>> a3 Ba5 5. Re3 Re8 6. Re6 >>> 12 2:07 ++ 1. Ng5!! >>> 12 5:37 3.08 1. a3 Ba5 2. Ng5 Re8 3. Bxh7+ Kf8 4. >>> Bg6 Nxc4 5. Rh3 Qb6 6. Rh8+ Ke7 7. >>> Rxe8+ Rxe8 8. Qe4+ Ne5 9. Bxe5 dxe5 >>> 10. Bxe8 Kxe8 >>> 12-> 5:44 3.08 1. a3 Ba5 2. Ng5 Re8 3. Bxh7+ Kf8 4. >>> Bg6 Nxc4 5. Rh3 Qb6 6. Rh8+ Ke7 7. >>> Rxe8+ Rxe8 8. Qe4+ Ne5 9. Bxe5 dxe5 >>> 10. Bxe8 Kxe8 >>> 13 6:18 3.37 1. a3 Ba5 2. Ng5 Re8 3. Bxh7+ Kf8 4. >>> Bg6 Nxc4 5. Bxe8 Qxe8 6. Ne6+ Kg8 7. >>> Rg3 Kh8 8. Rxg7 Nxb2 9. Qxb2 >>> 13-> 6:56 3.37 1. a3 Ba5 2. Ng5 Re8 3. Bxh7+ Kf8 4. >>> Bg6 Nxc4 5. Bxe8 Qxe8 6. Ne6+ Kg8 7. >>> Rg3 Kh8 8. Rxg7 Nxb2 9. Qxb2 >>> 14 8:47 -- 1. a3 >>> 14 9:35 3.05 1. a3 Ba5 2. Ng5 h6 3. Bh7+ Kh8 4. >>> Rh3 Nxc4 5. Bg8 f5 6. Bf7 Qxg5 7. fxg5 >>> Rxf7 8. gxh6 Nxb2 9. hxg7+ Kg8 10. >>> Qxb2 Rxg7 >> >> >>Crafty can see a bigger score for white after 1.Ng5 at depthes 10,11 so I do not >>understand the fact that it could not find 1.Ng5 at depth 13 based on the >>analysis >> >>I also do not understand the +2.45 score at depthes 10,11 because my Crafty18.10 >>can find signidicantly bigger score at these depthes in the root position >> >>New position >>[D]r2q1rk1/p5pp/bn1p1p2/2pP2N1/1bP2P2/3B1R2/PBQ3PP/R5K1 b - - 0 1 >> >>Analysis by Crafty 18.10: >> >>1...fxg5 2.Bxh7+ >> -+ (-2.21) Depth: 1/10 00:00:00 >>1...fxg5 2.Bxh7+ Kh8 >> -+ (-2.11) Depth: 2/10 00:00:00 >>1...fxg5 2.Bxh7+ Kh8 3.a3 >> -+ (-2.08) Depth: 3/10 00:00:00 >>1...fxg5 2.a3 Ba5 3.Bxh7+ Kh8 >> -+ (-1.99) Depth: 4/11 00:00:00 >>1...fxg5 2.a3 Ba5 3.Bxh7+ Kh8 4.Qg6 Nxc4 5.Bxg7# >> -+ (-2.01) Depth: 5/19 00:00:00 >>1...fxg5 2.Bxh7+ Kh8 3.Qg6 Qe7 4.Qh6 Rxf4 5.Bf5+ Kg8 6.Be6+ Kf8 7.Rxf4+ gxf4 >>8.Qxf4+ >> -+ (-1.77) Depth: 6/19 00:00:00 58kN >>1...fxg5 2.Bxh7+ Kh8 3.Rh3 Rf6 4.a3 Ba5 5.Bxf6 Qxf6 >> ³ (-0.34) Depth: 7/20 00:00:01 333kN >>1...fxg5 2.Bxh7+ Kh8 3.Rh3 Bc3 4.Bf5+ Kg8 5.Be6+ Rf7 6.Bxc3 Nxc4 >> +- (4.04) Depth: 8/25 00:00:03 1181kN >>1...Re8 >> +- (3.64) Depth: 8/25 00:00:03 1498kN >>1...Re8 2.Bxh7+ Kf8 3.Ne6+ Rxe6 4.dxe6 Nxc4 5.a3 Bd2 6.Be4 >> +- (3.50) Depth: 8/25 00:00:05 2022kN >>1...h6 >> +- (3.10) Depth: 8/25 00:00:06 2711kN >>1...h6 2.Ne6 Qe7 3.Rg3 Rf7 4.Bh7+ Kh8 5.Bg6 Rff8 6.Nxf8 Rxf8 >> +- (2.83) Depth: 8/25 00:00:07 2874kN >>1...h6 2.Bh7+ Kh8 3.Bg8 f5 4.Bf7 Nxc4 5.Qxf5 Qxg5 6.fxg5 Nxb2 7.gxh6 gxh6 >> +- (4.82) Depth: 9/28 00:00:12 4993kN >>1...Re8 >> +- (4.42) Depth: 9/28 00:00:12 5398kN >>1...Re8 2.Bxh7+ Kf8 3.Ne6+ Rxe6 4.dxe6 Bxc4 5.a3 Ba5 6.Qf5 Qe7 >> +- (3.14) Depth: 9/28 00:00:17 7630kN >>1...Re8 2.Bxh7+ Kf8 3.Bg6 Nxc4 4.Bxe8 Qxe8 5.Ne6+ Kf7 6.Rg3 Qh8 7.Rxg7+ Qxg7 >>8.Nxg7 Nxb2 >> +- (3.47) Depth: 10/31 00:00:36 15816kN >>1...Re8 2.Bxh7+ Kf8 3.Qg6 Qd7 4.Bxf6 Bxc4 5.Rg3 Nxd5 6.Bxg7+ Ke7 7.Re3+ Kd8 >>8.Rxe8+ Qxe8 9.Qxd6+ Kc8 10.Ne6 >> +- (5.29) Depth: 11/31 00:01:30 39760kN >>1...g6 >> +- (4.89) Depth: 11/31 00:03:07 85503kN >>1...g6 2.Bxg6 h6 3.Ne6 Qe7 4.Bh5 Kh8 5.Qg6 Nd7 6.Nxf8 Qxf8 >> +- (4.81) Depth: 11/31 00:03:33 96980kN >> >>(Blass, Tel-aviv 24.09.2001) >> >>New position >>[D]r2q1rk1/p5pp/bn1p1p2/2pP4/1bP1NP2/3B1R2/PBQ3PP/R5K1 w - - 0 1 >> >>Analysis by Crafty 18.10: >> >>1.Re3 >> ² (0.56) Depth: 1/8 00:00:00 >>1.Re3 Re8 >> ² (0.28) Depth: 2/8 00:00:00 >>1.Ng3 h6 >> ² (0.42) Depth: 2/8 00:00:00 >>1.Ng3 h6 2.Re3 >> ² (0.70) Depth: 3/8 00:00:00 >>1.Ng3 h6 2.a3 Ba5 >> ² (0.54) Depth: 4/10 00:00:00 >>1.Ng3 h6 2.a3 Ba5 3.Re3 >> ± (0.82) Depth: 5/18 00:00:00 >>1.Ng3 Kh8 2.a3 Ba5 3.Re3 Re8 >> ² (0.59) Depth: 6/18 00:00:00 38kN >>1.Ng3 Kh8 2.a3 Ba5 3.Re3 Re8 4.Rxe8+ Qxe8 5.Rb1 >> ± (0.71) Depth: 7/20 00:00:00 132kN >>1.Ng3 Kh8 2.a3 Ba5 3.Re3 Re8 4.Nf5 Rxe3 5.Nxe3 >> ² (0.59) Depth: 8/26 00:00:01 410kN >>1.Rg3 Rb8 2.Nxf6+ Rxf6 3.Bxh7+ Kf8 4.Rxg7 Kxg7 5.Qg6+ Kf8 6.Bxf6 >> ² (0.63) Depth: 8/26 00:00:04 1642kN >>1.Rg3 Rb8 2.Nf2 Kh8 3.Rh3 h6 4.a3 Ba5 5.Rb1 >> ² (0.66) Depth: 9/29 00:00:07 2664kN >>1.Rb1 Rb8 2.Ng3 Kh8 3.a3 Ba5 4.Re3 Re8 5.Re6 >> ² (0.69) Depth: 9/29 00:00:11 3872kN >>1.Nf2 Kh8 2.a3 Ba5 3.Rh3 h6 4.Re3 Re8 5.Rxe8+ Qxe8 6.Rb1 >> ² (0.70) Depth: 9/29 00:00:15 5766kN >>1.Ng5 >> ± (1.10) Depth: 9/29 00:00:19 7082kN >>1.Ng5 h5 2.Ne6 Qe7 3.Nxf8 Rxf8 4.Rh3 g6 5.Rb1 >> +- (2.52) Depth: 9/29 00:00:26 10409kN >>1.Ng5 h5 2.Ne6 Qe7 3.Nxf8 Rxf8 4.Rh3 g6 5.Rb1 >> +- (2.92) Depth: 10/31 00:00:39 15608kN >>1.Ng5 Re8 2.Ne6 Qe7 3.Rg3 Kh8 4.Rxg7 Qxg7 5.Nxg7 Kxg7 6.Rb1 >> +- (3.21) Depth: 11/34 00:01:28 36849kN >>1.Ng5 Re8 2.Ne6 Qe7 3.Rg3 Kh8 4.Rxg7 Qxg7 5.Nxg7 Kxg7 6.Rb1 >> +- (3.61) Depth: 12/34 00:03:15 80555kN >> >>(Blass, Tel-aviv 24.09.2001) >> >>Uri > > >I agree. Something is wrong as I can't reproduce that score in any form >here. I get Ng5 in 11 seconds on a quad 500 machine. And it sticks with it: > > 9 4.04 0.66 1. Rg3 Rb8 2. Nf2 Kh8 3. Rh3 h6 4. > a3 Ba5 5. Rb1 > 9 5.84 0.69 1. Ng3 Kh8 2. a3 Ba5 3. Re3 Re8 4. > Re6 Rb8 5. Rb1 > 9 11.02 0.73 1. Ng5 fxg5 2. Bxh7+ Kh8 3. Rh3 Rf6 > 4. Bf5+ Kg8 5. Be6+ Rf7 6. Qh7+ Kf8 > 7. Bxg7+ Rxg7 8. Qh8+ Rg8 9. Qxg8+ > (4) 9-> 11.69 0.73 1. Ng5 fxg5 2. Bxh7+ Kh8 3. Rh3 Rf6 > 4. Bf5+ Kg8 5. Be6+ Rf7 6. Qh7+ Kf8 > 7. Bxg7+ Rxg7 8. Qh8+ Rg8 9. Qxg8+ > 10 14.21 ++ 1. Ng5!! > (3) 10 40.09 2.95 1. Ng5 Re8 2. Ne6 Qc8 3. Bxh7+ Kh8 > 4. Nxg7 Re7 5. Bf5 Qg8 6. Ne6 > 10-> 41.10 2.95 1. Ng5 Re8 2. Ne6 Qc8 3. Bxh7+ Kh8 > 4. Nxg7 Re7 5. Bf5 Qg8 6. Ne6 > 11 48.85 ++ 1. Ng5!! > 11-> 1:19 3.34 1. Ng5 Re8 2. Ne6 Qc8 3. Bxh7+ Kh8 > 4. Nxg7 Re7 5. Bf5 Qg8 6. Ne6 It does not switch until ply 12 up above.
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