Author: Vincent Diepeveen
Date: 09:45:52 01/28/02
Go up one level in this thread
Another example of a position which in past simply was like 13 ply or more and now gets solved positional by DIEP: 2r1r3/p3bk1p/1pnqpppB/3n4/3P2Q1/PB3N2/1P3PPP/3RR1K1 w - - 0 2 Rxe6 5 00:00 0 0 5535 (469) 4 0.500 Bb3-c4 Be7-f8 Bh6xf8 Re8xf8 00:00 0 0 18796 (1043) 5 0.756 Bb3-c4 f6-f5 Nf3-g5 Kf7-g8 Qg4-e2 Nc6-a5 00:00 0 0 51946 (11682) 6 0.417 Bb3-c4 Be7-f8 Bh6xf8 Kf7xf8 Bc4-a6 Rc8-c7 ++ g4-e4 00:01 0 0 70854 (14815) 6 0.563 Qg4-e4 Nc6-d8 Bb3-a4 Re8-g8 Ba4-b5 Be7-f8 Bh6xf8 Rg8xf8 00:03 0 0 252099 (48903) 7 0.513 Qg4-e4 Be7-f8 Bh6xf8 Kf7xf8 Rd1-c1 Kf8-g8 Bb3xd 5 e6xd5 Qe4xe8 Rc8xe8 Re1xe8 Kg8-f7 ++ b3-a4 00:06 0 0 524101 (94746) 8 0.305 Qg4-e4 Be7-f8 Bh6xf8 Kf7xf8 Rd1-c1 f6-f5 Qe4-h4 Kf8-g7 ++ b3-c4 00:11 0 0 1051727 (312329) 8 0.391 Bb3-c4 Be7-f8 Bh6xf8 Re8xf8 Qg4-e4 Nc6-d8 Bc4 -b5 Kf7-g7 ++ e1-e6 00:14 0 0 1382142 (352566) 8 0.635 Re1xe6 Qd6xe6 Rd1-e1 Qe6-d6 Bh6-f4 Qd6-d8 Qg4 -e6 Kf7-g7 Bb3xd5 Nc6-a5 00:18 0 0 1843640 (396000) 9 0.635 Re1xe6 Qd6xe6 Rd1-e1 Qe6-d6 Bh6-f4 Qd6-d8 Qg4 -e6 Kf7-g7 Bb3xd5 Nc6-a5 00:24 0 0 2428281 (463679) 10 0.930 Re1xe6 Qd6xe6 Rd1-e1 Qe6-d6 Bh6-f4 Nc6-e5 Nf 3xe5 f6xe5 Bf4xe5 Qd6-d8 Qg4-f3 Be7-f6 Bb3xd5 Kf7-g7 On January 28, 2002 at 12:42:08, Vincent Diepeveen wrote: >On January 28, 2002 at 09:59:30, Uri Blass wrote: > >>On January 28, 2002 at 09:02:50, Vincent Diepeveen wrote: >> >>>On January 28, 2002 at 06:12:53, Ed Schröder wrote: >>> >>>>>Will TACTIC's eventually REFUTE! Positional play? >>>> >>>>In the end yes. >>>> >>>>It is my (new) opinion that the nature of chess is just search. >>> >>>the opposite is already clearly proven in tournament play Ed. >>> >>>Note that newer versions from most programs search less deeply >>>than older versions. This is also clear evidence. >> >>I am going to believe that new version search less deeply than older versions >>only if I see that they need more time to see tactics. > >most tactical problems posted on ccc here by now , this includes >testsets like bs2830, they get solved by positional means nowadays >more than by tactical means as was in the past. > >Good example is nolot #11: > >r1b2rk1/1p1nbppp/pq1p4/3B4/P2NP3/2N1p3/1PP3PP/R2Q1R1K w - - bm Rxf7; > >I remember a time that only diep solved this position. > >>Uri
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