Author: Gerd Isenberg
Date: 08:47:07 03/06/04
Go up one level in this thread
On March 06, 2004 at 06:59:46, Harald Lüßen wrote: >On March 05, 2004 at 13:52:13, Gerd Isenberg wrote: > >>May be a interesting position for static eval. >> >>Topics: Closed pawn center and Kingsafety, pawn storm, good and bad bishops, >>mobility and may be a trapped queen on g6 later on. Attacking Trajectories? >> >>Anyway, search should find h4 fast, but correct implemented knowledge helps to >>become even faster. But h4 may be wrongly considered positionally weak due the >>demaged potential pawn shields on both wings and may therefore penalize the >>centered king, able to castle two ways. >> >>[D]rn2r1k1/pb1n1ppp/1p1p1q2/2pPpN2/2P1P3/P1PBBP2/6PP/R2QK2R w KQ - ; bm h4 > >My slow Elephant dreamt over night and he likes Qd2 very much. > >(dist, score, sec/100, #nodes, pv) > 0 38 0 9 O-O > 1 38 0 62 O-O > 2 30 0 162 O-O Nb8-c6 d5xc6 Bb7xc6 > 3 30 1 358 O-O Nb8-c6 d5xc6 Bb7xc6 > 4 25 4 3753 O-O Nb8-a6 Ra1-b1 Na6-c7 > 5 39 6 10570 O-O Nb8-a6 Ra1-a2 Na6-c7 Ra2-f2 > 6 33 14 28641 O-O Nb8-a6 Qd1-a4 Ra8-d8 Ra1-e1 Bb7-c8 > 6 37 25 63342 Qd1-d2 h7-h6 O-O Nb8-a6 f3-f4 Na6-c7 f4xe5 >Qf6xe5 > 7 40 37 101699 Qd1-d2 h7-h6 O-O Nb8-a6 Rf1-f2 Na6-c7 Ra1-f1 >Bb7xd5 c4xd5 > 8 39 162 417218 Qd1-d2 h7-h6 Qd2-f2 Qf6-g6 O-O Nb8-a6 Qf2-g3 >Qg6xg3 Nf5xg3 >B 9 49 250 704181 Qd1-d2 h7-h6 O-O Qf6-g6 > 9 54 325 920920 Qd1-d2 h7-h6 O-O Nb8-a6 f3-f4 Qf6-g6 f4xe5 >Nd7xe5 Ra1-c1 > 10 46 514 1514083 Qd1-d2 h7-h6 O-O Nb8-a6 f3-f4 Qf6-g6 Rf1-f2 >Ra8-b8 Ra1-f1 Na6-c7 f4xe5 Nd7xe5 >B 11 56 904 2684312 Qd1-d2 h7-h6 O-O Nb8-a6 f3-f4 Qf6-g6 Rf1-f3 >Na6-c7 Rf3-g3 Kg8-f8 > 11 57 1340 3887964 Qd1-d2 h7-h6 O-O Bb7-c8 Ra1-e1 Nd7-f8 f3-f4 >Bc8-a6 Rf1-f3 Ba6-c8 Rf3-f1 Bc8-a6 Rf1-f3 Ba6-c8 Rf3-f1 Bc8-a6 Rf1-f3 Ba6-c8 > 12 56 2450 7267121 Qd1-d2 h7-h6 O-O Bb7-c8 f3-f4 Qf6-g6 Rf1-f3 >e5xf4 Rf3xf4 Nd7-e5 Ra1-f1 Nb8-d7 > 13 63 8409 24628898 Qd1-d2 h7-h6 O-O Bb7-c8 f3-f4 e5xf4 Be3xf4 >Nd7-e5 Bf4xh6 Bc8xf5 Bh6-g5 Ne5xc4 Bd3xc4 > 14 64 17734 50039779 Qd1-d2 h7-h6 O-O Bb7-c8 f3-f4 Kg8-h8 Ra1-e1 >e5xf4 Be3xf4 Nd7-e5 Bf4xe5 Re8xe5 Nf5-d4 Qf6-g6 >B 14 73 100490 264030366 h2-h4 h7-h6 g2-g4 Bb7-c8 g4-g5 Qf6-g6 g5xh6 >g7xh6 Nf5xh6 Kg8-f8 Rh1-g1 Bc8-a6 > 14 82 109131 283580345 h2-h4 h7-h6 g2-g4 Qf6-g6 h4-h5 Qg6-f6 g4-g5 >h6xg5 Qd1-d2 g7-g6 Be3xg5 > 15 81 124487 325102497 h2-h4 h7-h6 g2-g4 Bb7-c8 Qd1-d2 Nd7-f8 g4-g5 >Qf6-d8 g5xh6 Bc8xf5 e4xf5 g7-g6 O-O-O > 15 102 260250 641952126 Qd1-d2 h7-h6 g2-g4 a7-a5 h2-h4 Nb8-a6 g4-g5 >h6xg5 h4-h5 g7-g6 Be3xg5 Qf6-h8 Nf5xd6 Re8-b8 h5-h6 > 16 109 360679 893747369 Qd1-d2 h7-h6 g2-g4 Nb8-a6 g4-g5 h6xg5 Be3xg5 >Qf6-g6 Bg5-e3 Qg6-f6 Rh1-g1 Kg8-h8 Be3-g5 Qf6-g6 Qd2-e3 Re8-g8 Nf5-e7 Qg6-h5 >B 17 119 851265 2110321244 Qd1-d2 h7-h6 g2-g4 Nb8-a6 g4-g5 h6xg5 Be3xg5 >Qf6-g6 Bg5-e3 Qg6-f6 Rh1-g1 Kg8-h8 Rg1xg7 Re8-g8 Be3-g5 > 17 131 1061023 Qd1-d2 h7-h6 g2-g4 Qf6-g6 h2-h4 Bb7-c8 h4-h5 >Qg6-h7 Nf5xd6 Re8-d8 O-O-O a7-a5 > 18 137 1966498 Qd1-d2 h7-h6 g2-g4 Qf6-g6 h2-h4 Bb7-a6 h4-h5 >Qg6-h7 Nf5xd6 Re8-d8 Qd2-h2 Ba6-c8 > 19 137 5180871 Qd1-d2 h7-h6 g2-g4 Qf6-g6 Nf5-h4 Qg6-h7 Nh4-f5 >Qh7-g6 Nf5-h4 Qg6-h7 Nh4-f5 Qh7-g6 Nf5-h4 Qg6-h7 Nh4-f5 Qh7-g6 Nf5-h4 Qg6-h7 >Nh4-f5 Qh7-g6 Nf5-h4 Qg6-h7 Nh4-f5 Qh7-g6 Nf5-h4 Qg6-h7 > >The last line may be a bug in the search or just in picking the >principal variation from the hash table. > >Still a long way to go. > >Harald Yes, bm h4 is questionable and probably wrong. IsiChess finds Qd2 too after 50min +1.9. Anyway, the motive is similar, forcing Bg5 and pawn storm with king in center. Gerd
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