Author: Uri Blass
Date: 16:14:57 10/28/05
Go up one level in this thread
On October 28, 2005 at 18:57:08, Uri Blass wrote: >On October 28, 2005 at 18:03:20, Drexel,Michael wrote: > >>On October 28, 2005 at 18:00:22, Drexel,Michael wrote: >> >>>"The program has become more human in a different way. It now has extensive >>>chess knowledge and a human evaluation structure, ensuring that it finds good >>>moves and interesting ideas where there are no direct tactics to guide it. You >>>will appreciate the value of this when you analyze with the program. Fritz 9 >>>thinks and plans like a human, while retaining the tactical ferocity of the >>>world’s top chess engine" www.chessbase.com >>> >>>You don´t believe this? You think that´s a load of crap? >>> >>>You are wrong, please look at the following examples and decide yourself: >>> >>>Example 1: >>> >>>[D]rnbqkb1r/ppp2ppp/3p1n2/4P3/4P3/2N5/PPP2PPP/R1BQKBNR b KQkq - 0 4 >>> >>>Analysis by Fritz 9: >>> >>>4...Sfd7 5.exd6 Lxd6 6.Sb5 Lb4+ 7.c3 Lc5 8.Lg5 f6 9.Dh5+ >>> ± (0.91) Depth: 7/21 00:00:00 53kN >>>4...Sfd7 5.Sd5 dxe5 6.Lg5 f6 7.Lh6 Sc6 8.Dh5+ g6 >>> ± (0.76) Depth: 8/27 00:00:00 255kN >>>4...Sfd7 5.exd6 Lxd6 6.Sb5 Le7 7.Lf4 Sa6 8.Dd5 Lb4+ 9.c3 Lc5 >>> ± (0.94) Depth: 9/27 00:00:00 504kN >>>4...Sfd7 5.exd6 Lxd6 6.Sb5 Lb4+ 7.c3 La5 8.Dd5 0-0 9.Lg5 >>> ± (1.07) Depth: 10/29 00:00:01 1063kN >>>4...Sfd7 5.exd6 Lxd6 6.Sb5 Sf6 7.Lg5 0-0 8.Sf3 Sc6 9.Sxd6 cxd6 10.c3 De8 11.Lxf6 >>>Dxe4+ >>> ± (1.14) Depth: 11/32 00:00:03 3319kN >>>4...Sfd7 5.exd6 Lxd6 6.Sb5 De7 7.Sxd6+ cxd6 8.Ld3 0-0 9.Se2 Sc5 10.0-0 Sxe4 >>>11.Te1 >>> ± (1.02) Depth: 12/37 00:00:10 9001kN >>>4...Sfd7 5.exd6 Lxd6 6.Le3 0-0 7.Dd2 De7 8.0-0-0 Td8 9.Lf4 Se5 10.Sd5 De8 >>> ± (1.16) Depth: 13/34 00:00:24 23816kN >>>4...Sfd7 5.exd6 Lxd6 6.Le3 0-0 7.Dd2 De7 8.0-0-0 Sc6 9.Lg5 De6 10.Sf3 Sde5 >>>11.Sd4 Dg4 >>> ± (1.08) Depth: 14/41 00:01:00 60691kN >>>4...Sfd7 5.exd6 Lxd6 6.Le3 De7 7.Dd2 Sf6 8.Ld3 0-0 9.Sf3 Sc6 >>> ± (1.13) Depth: 15/39 00:02:29 156351kN >>> >>>4...Nfd7! >>>A Master would not even think about the materialistic 4...dxe5? which is the >>>typical computer move in this position. >>>Instead true masters of the game willingly give up pawns in exchange for a >>>better position. >>>Unlike other engines Fritz 9 understands the importance of development and King >>>safety. > >Yace is an engine that understands nothing about king safety based on my >experience and I considered it before analyzing this position as the most >materialistic engine in the world. > >I am surprised to find that it also likes Nfd7 > >New game, >rnbqkb1r/ppp2ppp/3p1n2/4P3/4P3/2N5/PPP2PPP/R1BQKBNR b KQkq - 0 1 > >Analysis by Yace 0.99.87: > >1...dxe5 2.Qxd8+ Kxd8 > ² (0.28) Depth: 1 00:00:00 >1...dxe5 2.Qxd8+ Kxd8 > ² (0.28) Depth: 1 00:00:00 >1...dxe5 2.Bg5 > ² (0.36) Depth: 2 00:00:00 >1...dxe5 2.Bg5 > ² (0.36) Depth: 2 00:00:00 >1...dxe5 2.Qxd8+ Kxd8 3.Bg5 > ² (0.69) Depth: 3 00:00:00 >1...dxe5 2.Qxd8+ Kxd8 3.Bg5 > ² (0.69) Depth: 3 00:00:00 >1...dxe5 2.Qxd8+ Kxd8 3.Rb1 > ² (0.29) Depth: 4 00:00:00 >1...dxe5 2.Qxd8+ Kxd8 3.Bg5 Bb4 > ² (0.28) Depth: 4 00:00:00 >1...dxe5 2.Qxd8+ Kxd8 3.Bg5 Bb4 > ² (0.28) Depth: 4 00:00:00 >1...dxe5 2.Qxd8+ Kxd8 3.Bg5 Bg4 4.f3 > ² (0.68) Depth: 5 00:00:00 >1...dxe5 2.Qxd8+ Kxd8 3.Bg5 Bg4 4.Bb5 > ² (0.69) Depth: 5 00:00:00 >1...dxe5 2.Qxd8+ Kxd8 3.Bg5 Bg4 4.Bb5 > ² (0.69) Depth: 5 00:00:00 >1...dxe5 2.Qxd8+ Kxd8 3.Bg5 Bg4 4.Be2 Be6 > ² (0.68) Depth: 6/17 00:00:00 39kN >1...dxe5 2.Qxd8+ Kxd8 3.Bg5 Bg4 4.Be2 Be6 > ² (0.68) Depth: 6/19 00:00:00 65kN >1...dxe5 2.Qxd8+ Kxd8 3.Bg5 Ke8 4.Bxf6 gxf6 5.Nd5 Bd6 > ± (0.88) Depth: 7/19 00:00:00 146kN >1...dxe5 2.Qxd8+ Kxd8 3.Bg5 Ke8 4.Bxf6 gxf6 5.Nd5 Bd6 > ± (0.88) Depth: 7/22 00:00:01 359kN >1...dxe5 2.Qxd8+ Kxd8 3.Nf3 Nc6 4.Bg5 Ke8 5.Nb5 Bb4+ 6.Bd2 Bxd2+ 7.Nxd2 > ± (0.93) Depth: 8/25 00:00:01 881kN >1...Nfd7 2.exd6 Bxd6 3.Nb5 Qe7 4.Nxd6+ cxd6 5.Qxd6 Qxd6 6.Bd2 > ± (0.92) Depth: 8/26 00:00:02 1871kN >1...Nfd7 2.exd6 Bxd6 3.Nb5 Bc5 4.Bg5 f6 5.Bf4 Na6 > ± (0.80) Depth: 8/26 00:00:02 2035kN >1...Nfd7 2.exd6 Bxd6 3.Nb5 Bc5 4.Bg5 f6 5.Bf4 Na6 > ± (0.80) Depth: 8/26 00:00:02 2038kN >1...Nfd7 2.exd6 Bxd6 3.Nb5 Qe7 4.Nxd6+ cxd6 5.f3 0-0 6.Bf4 Ne5 7.Qd5 > ± (0.91) Depth: 9/26 00:00:03 3054kN >1...Nfd7 2.exd6 Bxd6 3.Nb5 Qe7 4.Nxd6+ cxd6 5.f3 0-0 6.Bf4 Ne5 7.Qd5 > ± (0.91) Depth: 9/29 00:00:05 4568kN >1...Nfd7 2.exd6 Bxd6 3.Nb5 Qe7 4.Ne2 Nc5 5.Nxd6+ cxd6 6.f3 0-0 7.Bf4 Rd8 > ± (0.81) Depth: 10/30 00:00:09 8598kN >1...Nfd7 2.exd6 Bxd6 3.Nb5 Qe7 4.Ne2 Nc5 5.Nxd6+ cxd6 6.f3 0-0 7.Bf4 Rd8 > ± (0.81) Depth: 10/30 00:00:12 11846kN >1...Nfd7 2.exd6 Bxd6 3.Nb5 Qe7 4.Nxd6+ cxd6 5.Bd3 0-0 6.Nf3 Nc5 7.Bg5 Nxd3+ >8.Qxd3 Qe6 > ± (0.89) Depth: 11/35 00:00:23 22959kN >1...Nfd7 2.exd6 Bxd6 3.Nb5 Qe7 4.Nxd6+ cxd6 5.Bd3 0-0 6.Nf3 Nc5 7.Bg5 Nxd3+ >8.Qxd3 Qe6 > ± (0.89) Depth: 11/35 00:00:45 41058kN >1...Nfd7 2.exd6 Bxd6 3.Nf3 0-0 4.Bc4 Nb6 5.Be2 Nc6 6.0-0 > ± (0.83) Depth: 12/39 00:01:42 99102kN > >(, 29.10.2005) > >Uri It seems that I did not give yace enough time. Yace can find dxe5 after more time. Maybe you should also give Fritz9 more time so it may find dxe5. New game, rnbqkb1r/ppp2ppp/3p1n2/4P3/4P3/2N5/PPP2PPP/R1BQKBNR b KQkq - 0 1 1...Nfd7 2.exd6 Bxd6 3.Nf3 0-0 4.Bc4 Nb6 5.Be2 Nc6 6.0-0 ± (0.83) Depth: 12/39 00:03:03 162567kN 1...Nfd7 2.exd6 Bxd6 3.Be3 0-0 4.Qd2 Nc6 5.0-0-0 Nf6 6.Bd3 Be6 7.Kb1 Ng4 8.Bf4 ± (0.92) Depth: 13/43 00:05:55 322838kN 1...dxe5 2.Qxd8+ Kxd8 3.Bg5 c6 4.0-0-0+ Kc7 5.Bc4 Bb4 6.Nge2 Ng4 7.Bh4 Bc5 8.f3 Ne3 9.Bg3 ± (0.91) Depth: 13/43 00:08:10 415746kN 1...dxe5 2.Qxd8+ Kxd8 3.Bg5 c6 4.Nf3 Kc7 5.Nxe5 Nbd7 6.Nxd7 Bxd7 7.0-0-0 Bb4 8.f3 Rhd8 ± (0.91) Depth: 13/43 00:08:34 430717kN 1...dxe5 2.Qxd8+ Kxd8 3.Bg5 c6 4.Nf3 Kc7 5.Nxe5 Nbd7 6.Nxd7 Bxd7 7.0-0-0 Bb4 8.f3 Rhd8 ± (0.91) Depth: 13/43 00:10:31 521601kN (, 29.10.2005)
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