Author: Ernst Walet
Date: 10:59:18 02/28/01
Go up one level in this thread
On February 28, 2001 at 11:37:30, Enrique Irazoqui wrote: >On February 28, 2001 at 11:12:09, Sune Larsson wrote: > >> >> [D]4n3/1b3k1p/p2p2p1/3Pp3/2P3P1/6PP/2BB4/6K1 w - - 0 1 >> >> This is Hort-Ciocaltea, Budapest 1973. Only two moves are required >> to immobilize the black knight and pave the way for the victorious >> march of the white king to the deserted queenside: >> >> 1.g5! Bc8 2.g4! and black's position is ripe for resignation. >> >> Test: The above move order should be rewarded with big +scores for white. >> >> Sune > >This one took a whopping 1 second. The eval is climbing, but so is my >impatience. :) > >New position >4n3/1b3k1p/p2p2p1/3Pp3/2P3P1/6PP/2BB4/6K1 w - - 0 1 > >Analysis by DEEP FRITZ : > >1.Bxg6+-- > -+ (-2.03) Depth: 1/3 00:00:00 >1.Bxg6+-- Kxg6 > -+ (-2.81) Depth: 1/3 00:00:00 >1.c5! > -+ (-2.09) Depth: 1/3 00:00:00 >1.c5! Bxd5 > -+ (-1.75) Depth: 1/5 00:00:00 >1.Kf2! > µ (-0.75) Depth: 1/5 00:00:00 >1.Kf2! > = (-0.25) Depth: 1/5 00:00:00 >1.Kf2 Nf6 > ³ (-0.37) Depth: 2/5 00:00:00 >1.Kf2 Nf6 2.Be3 > = (-0.22) Depth: 3/6 00:00:00 >1.Kf2 Nf6 2.Be3 Ke7 > = (-0.22) Depth: 4/8 00:00:00 >1.Kf2 Bc8 2.Be3 Nf6 3.g5 > = (-0.12) Depth: 5/11 00:00:00 1kN >1.Kf2 Bc8 2.Be3 Nf6 3.g5 Nd7 > = (-0.12) Depth: 6/12 00:00:00 3kN >1.Kf2 Bc8 2.Be3 h5 3.gxh5 gxh5 4.Kg2 Nf6 > = (-0.19) Depth: 7/16 00:00:00 15kN >1.Kf2 Bc8 2.Bb4 Bd7 3.c5 dxc5 4.Bxc5 Nf6 5.Bd3 > = (-0.12) Depth: 8/17 00:00:00 35kN >1.Kf2 Ke7 2.Be3 Bc8 3.Kf3 Nf6 4.g5 Nd7 5.Ke4 > = (-0.09) Depth: 9/21 00:00:00 88kN >1.Kf2 Bc8 2.Bb4 h5 3.gxh5 gxh5 4.Kg2 Bd7 5.Bd1 Kg6 6.c5 dxc5 > = (0.00) Depth: 10/20 00:00:00 188kN >1.Kf2 Bc8 2.Bb4 h5 3.gxh5 gxh5 4.Kg2 Bd7 5.c5 dxc5 6.Bxc5 Nf6 > = (-0.12) Depth: 11/21 00:00:00 421kN >1.g5! > = (-0.09) Depth: 11/23 00:00:01 626kN >1.g5 Bc8 2.g4 Ke7 3.Kf2 Bd7 4.Be4 Ba4 5.Be3 Bb3 6.c5 dxc5 > = (0.03) Depth: 12/22 00:00:01 935kN >1.g5 Bc8 2.g4 Ke7 3.Kf2 Nc7 4.Be3 Bb7 5.h4 Bc8 6.h5 Kf7 > = (0.09) Depth: 13/24 00:00:02 1495kN >1.g5 Bc8 2.g4 Ke7 3.Kf2 Bb7 4.Be3 a5 5.Bb6 Ba6 6.Bxa5 Bxc4 > = (0.13) Depth: 14/25 00:00:04 2463kN >1.g5 Bc8 2.g4 Ke7 3.Kf2 Bb7 4.Be3 Nc7 5.h4 Bc8 6.h5 Kf7 > = (0.19) Depth: 15/29 00:00:08 4569kN >1.g5 Bc8 2.g4 Ke7 3.Kf2 Bb7 4.Be3 Ng7 5.h4 a5 6.Bb6 Ba6 > = (0.16) Depth: 16/28 00:00:12 6746kN >1.g5 Bc8 2.g4 Ke7 3.Kf2 Nc7 4.Ba5 Ne8 5.Bb6 Bb7 > ² (0.28) Depth: 17/30 00:00:39 22594kN >1.g5 Bc8 2.g4 Ke7 3.Kf2 Nc7 4.Kf3 Bb7 5.h4 Ne8 6.Be3 Kf7 > ² (0.34) Depth: 18/33 00:01:18 45587kN > >(Irazoqui, Cadaqués 28.02.2001) Interresting to see that latest Fritz6 takes a somewhat different path, making the king moves Ke7 and Kf2 between g5 an g4. Fritz6 also seems more selective, using less nodes per ply. Ernst. Analysis by Fritz 6: 1.c5-- µ (-1.12) Depth: 1/3 00:00:00 1.c5-- dxc5 -+ (-1.44) Depth: 1/3 00:00:00 1.Kf2! µ (-0.84) Depth: 1/3 00:00:00 1.Kf2! ³ (-0.34) Depth: 1/3 00:00:00 1.Kf2 Nf6 ³ (-0.37) Depth: 2/5 00:00:00 1.Kf2 Nf6 2.g5 = (-0.22) Depth: 3/5 00:00:00 1.Kf2 Ke7 2.Bg5+ Nf6 3.Ke2 = (-0.19) Depth: 4/9 00:00:00 1.Kf2 Ke7 2.g5 Nc7 3.Ke2 = (-0.12) Depth: 5/11 00:00:00 1kN 1.Kf2 h5 2.gxh5 gxh5 3.Be3 Bc8 4.h4 = (-0.12) Depth: 6/13 00:00:00 5kN 1.Kf2 h5 2.gxh5 gxh5 3.g4 hxg4 4.hxg4 Ng7 5.g5 = (-0.06) Depth: 7/13 00:00:00 14kN 1.Kf2 Ke7 2.Ke2 Ng7 3.Bg5+ Kf7 4.Be3 a5 5.g5 = (-0.03) Depth: 8/17 00:00:00 43kN 1.Kf2 Ke7 2.Ke2 Nf6 3.g5 Nh5 4.Be1 Bc8 5.h4 Bg4+ = (-0.06) Depth: 9/17 00:00:00 73kN 1.Kf2 Bc8 2.Bc3 Ke7 3.Ke2 Nf6 4.Bd2 Bb7 = (-0.06) Depth: 10/21 00:00:00 248kN 1.Bb4! = (-0.03) Depth: 10/22 00:00:01 322kN 1.Bb4! Ke7 = (0.00) Depth: 10/22 00:00:01 332kN 1.Bb4 Ke7 2.Kf2 Nf6 3.g5 Nd7 4.Ke2 Nc5 5.Ke3 Kd7 = (-0.03) Depth: 11/22 00:00:01 435kN 1.g5! = (0.00) Depth: 11/22 00:00:01 592kN 1.g5 Ke7 2.Kf2 Bc8 3.g4 Bb7 4.Ba5 Bc8 5.Ke2 Bb7 = (0.19) Depth: 12/21 00:00:02 864kN 1.g5 Ke7 2.Kf2 Bc8 3.g4 Bb7 4.Ba5 Kf7 5.h4 Bc8 = (0.13) Depth: 13/23 00:00:03 1092kN 1.g5 Ke7 2.Kf2 Bc8 3.g4 Bb7 4.Ba5 Kf7 5.h4 Bc8 = (0.13) Depth: 14/24 00:00:03 1406kN 1.g5 Ke7 2.Kf2 Bc8 3.g4 Bb7 4.Ba5 Kf7 5.h4 Bc8 = (0.13) Depth: 15/26 00:00:05 2028kN 1.g5 Ke7 2.Kf2 Bc8 3.g4 Bb7 4.Ba5 Kf7 5.h4 Ke7 = (0.13) Depth: 16/28 00:00:08 3175kN 1.g5 Ke7 2.Kf2 Bc8 3.g4 Bb7 4.Ba5 Kf7 5.h4 Ke7 = (0.13) Depth: 17/29 00:00:17 6453kN 1.g5 Ke7 2.Kf2 Bc8 3.g4 Bb7 4.Ba5 Kf7 5.h4 Ke7 = (0.19) Depth: 18/30 00:00:34 12557kN 1.g5 Ke7 2.Kf2 Bc8 3.g4 Bb7 4.Ba5 Kf7 5.Ke3 Ba8 ² (0.47) Depth: 19/34 00:02:00 44348kN 1.g5 Ke7 2.Kf2 Bc8 3.g4 Bb7 4.Ba5 Kf7 5.Ke3 Ke7 ² (0.47) Depth: 20/34 00:03:09 69961kN 1.g5 Ke7 2.Kf2 Bc8 3.g4 Bb7 4.Ba5 Kf7 5.Ke3 Ke7 ² (0.31) Depth: 21/34 00:04:47 105743kN
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