Author: Dann Corbit
Date: 14:36:45 12/11/01
Go up one level in this thread
On December 11, 2001 at 10:59:55, Will Singleton wrote: >[D]4k2r/1nrqbppp/p3b3/1pppP1NQ/8/1NP1B2P/PP3PP1/R4RK1 w k - 0 1 > >Most programs don't immediately see that Nxh7 puts the knight in a bad spot. >Can this problem be addressed by root analysis? > >(Beowulf might be doing something like that, since it never considers Nxh7.) Pepito says: Pepito> setboard 4k2r/1nrqbppp/p3b3/1pppP1NQ/8/1NP1B2P/PP3PP1/R4RK1 w k - Pepito> go 5 116 24 6856 Ng5xh7 g6 Qh5-h6 d4 Ra1-d1 5 116 25 9749 Ng5xh7 g6 Qh5-h6 d4 Ra1-d1 6 91 27 14604 Ng5xh7 g6 Qh5-h6 d4 c3xd4 Be6xb3 a2xb3 c5xd4 6 91 30 23964 Ng5xh7 g6 Qh5-h6 d4 c3xd4 Be6xb3 a2xb3 c5xd4 7 91 34 38647 Ng5xh7 g6 Qh5-h6 d4 c3xd4 Be6xb3 a2xb3 c5xd4 7 91 41 64569 Ng5xh7 g6 Qh5-h6 d4 c3xd4 Be6xb3 a2xb3 c5xd4 8 102 84 224255 Ng5xh7 Ke8-d8 Be3-g5 Qd7-c6 Bg5xe7 Rc7xe7 Ra1-d1 g6 Qh5 -h6 f6 8 102 93 252038 Ng5xh7 Ke8-d8 Be3-g5 Qd7-c6 Bg5xe7 Rc7xe7 Ra1-d1 g6 Qh5 -h6 f6 9 101 163 512172 Ng5xh7 Ke8-d8 Be3-g5 Qd7-e8 Bg5-f4 a5 Ra1-d1 a4 Nb3-d2 9 101 190 607913 Ng5xh7 Ke8-d8 Be3-g5 Qd7-e8 Bg5-f4 a5 Ra1-d1 a4 Nb3-d2 10 93 388 1411173 Ng5xh7 Ke8-d8 Ra1-d1 Kd8-c8 Be3-f4 a5 Nb3-d2 Kc8-b8 Nd2 -f3 Be6-f5 10 93 523 1932433 Ng5xh7 Ke8-d8 Ra1-d1 Kd8-c8 Be3-f4 a5 Nb3-d2 Kc8-b8 Nd2 -f3 Be6-f5 11 60 1936 7227127 Ng5xh7 ?? Ke8-d8 Ra1-d1 Kd8-c8 Be3-f4 a5 Nb3-d2 Kc8-b8 Nd2-f3 Be6-f5 11 61 2059 7602711 Ng5xh7 !! 11 16 2459 9204249 Ng5xh7 Ke8-d8 Ra1-d1 Kd8-c8 f3 Be6-f5 11 35 3505 13052014 f4 g6 Qh5-h6 Be7-f8 Qh6-h4 Bf8-e7 Ra1-d1 Be6-f5 Qh4-h6 Be7-f8 Qh6-h4 11 35 3559 13285563 f4 g6 Qh5-h6 Be7-f8 Qh6-h4 Bf8-e7 Ra1-d1 Be6-f5 Qh4-h6 Be7-f8 Qh6-h4 12 18 4051 15086210 f4 g6 Qh5-h6 Be7-f8 Qh6-h4 Bf8-e7 Ra1-d1 Be6-f5 Kg1-h2 a5 Qh4-h6 a4 12 18 4989 18708094 f4 g6 Qh5-h6 Be7-f8 Qh6-h4 Bf8-e7 Ra1-d1 Be6-f5 Kg1-h2 a5 Qh4-h6 a4 13 16 6215 23155300 f4 g6 Qh5-h6 Be7-f8 Qh6-h4 Bf8-e7 Ra1-d1 a5 Kg1-h2 a4 N b3-d2 d4 Nd2-e4 13 18 8470 31811468 Ng5xe6 Qd7xe6 f4 Rc7-d7 Ra1-e1 O-O f5 Qe6xe5 Be3xc5 Qe5 -c7 Bc5xe7 Rd7xe7 f6 Qc7-b6 Nb3-d4 Re7xe1 Rf1xe1 Qb6xf6 Qh5xd5 13 18 11003 41289319 Ng5xe6 Qd7xe6 f4 Rc7-d7 Ra1-e1 O-O f5 Qe6xe5 Be3xc5 Qe5 -c7 Bc5xe7 Rd7xe7 f6 Qc7-b6 Nb3-d4 Re7xe1 Rf1xe1 Qb6xf6 Qh5xd5 14 39 13517 50863652 Ng5xe6 Qd7xe6 f4 Rc7-d7 Ra1-e1 O-O f5 Qe6xe5 Be3xc5 Qe5 -c7 Bc5xe7 Rd7xe7 Re1xe7 Qc7xe7 f6 Qe7-e3 Kg1-h2 g5 14 39 18974 70824305 Ng5xe6 Qd7xe6 f4 Rc7-d7 Ra1-e1 O-O f5 Qe6xe5 Be3xc5 Qe5 -c7 Bc5xe7 Rd7xe7 Re1xe7 Qc7xe7 f6 Qe7-e3 Kg1-h2 g5 15 42 26347 97699840 Ng5xe6 Qd7xe6 f4 g6 Qh5-f3 a5 Ra1-d1 a4 Nb3-c1 Rc7-d7 f 5 Qe6xe5 f5xg6 f7xg6 Nc1-d3 Qe5-e4 15 42 37586 139819943 Ng5xe6 Qd7xe6 f4 g6 Qh5-f3 a5 Ra1-d1 a4 Nb3-c1 Rc7-d7 f5 Qe6xe5 f5xg6 f7xg6 Nc1-d3 Qe5-e4
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