Author: Amir Ban
Date: 03:02:25 01/02/00
Go up one level in this thread
On January 02, 2000 at 04:55:12, David Blackman wrote: >Does anyone know where to find a copy of the WAC suite with correct answers, as >far as anyone knows? I think there might be some equally good moves to some of >the listed ones in the copy i've got. Failing that would anyone like to take a >quick look at these ones and comment? Thanks. > >8/p3k1p1/4r3/2ppNpp1/PP1P4/2P3KP/5P2/8 b - bm Rxe5; id "WAC087" >Desperado likes cxb4; cxb4 Rxe5 . I think this just transposes and should be >equally good? > The critical variation is Rxe5 dxe5 d4 so there's no transposition. cxb4 blows it. >1br2rk1/1pqb1ppp/p3pn2/8/1P6/P1N1PN1P/1B3PP1/1QRR2K1 w - bm Ne4; id "WAC152" >Desperado agrees at 7 ply but prefers Nd5 at other depths. Both of these score >around +2 pawns. Does Ne4 have some additional tactics that don't work for Nd5? >(I must put check extensions back in sometime :-) > Nd5 lets black off relatively lightly with Nxd5 Rxc7 Bxc7. >8/1p6/p5R1/k7/Prpp4/K7/1NP5/8 w - bm Rb6; id "WAC274" >Desperado prefers Rg5+ (except at 9 ply). It looks to me like either move wins, >and i can't see any reason why one is better than the other in practical terms. >Rb6 is a bit flashier maybe, but once you see through the first 3 or 4 moves of >tactics doesn't it leave you with a slightly harder endgame than Rg5+ ? >(Although still quite easy to win.) Rg5+ probably wins (b5 axb5 axb5 Rg8 c3 Nd3) because black can't get at the c2 pawn, but it needs many moves to demonstrate. Winning with Rb6 is easy. Amir
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