Author: Will Singleton
Date: 14:38:36 04/05/03
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On April 05, 2003 at 15:48:48, Jim Monaghan wrote: >Hi, > >This one is pretty difficult. The idea is to avoid the tempting 1.Rxe5 which >seemingly wins a pawn, but in reality drops the exchange for a pawn. The main >line of the combo runs 20 ply. One of the rare occasions where Lasker stumbled. >Any engines "smart enough" to avoid the trap and understand why in reasonable >time? > Amateur 2.44 can avoid the trap, although it takes 4 minutes. Most programs will eventually select a move other than Rxe5 without having to see the tactical problem. 12 60 6422 21189551 Rxe5 Ng4 Rxd5 Rxd5 fxg4 Bxc3 Rxd5 Bxa5 Rd6 Bc7 Rf6 Be5 13 4 8828 30081395 Rxe5 Ng4 Rxd5 Rxd5 fxg4 Bxc3 Rxd5 Bxa5 Rd6 Bc7 Rf6 Be5 Rb6 13 9 23905 80611518 a4 b4 Nxd5 Nxd5 b3 Bf8 Kh1 Rc5 Bxa6 Qxa6 Bxb4 Rxc2 Qxc2 Nxb4 Will
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