Author: Robert Hyatt
Date: 07:01:31 09/25/01
Go up one level in this thread
On September 24, 2001 at 22:14:51, Dann Corbit wrote: >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. There is more wrong that that. He didn't find it until depth 10. IE something seems to be slightly broken somewhere to change the scores that drastically...
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