Author: Heiner Marxen
Date: 13:04:47 03/10/01
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On March 10, 2001 at 08:11:29, leonid wrote: >Hi! > >If you like to solve one light mate then you can try this: > >[D]nqNBNqn1/2QKQ3/Nq3qN1/n1rkr1n1/R1NbN1R1/1n1q1n2/8/Q2B2Q1 w - - > >Please, indicate your result. > >Thanks, >Leonid. Chest needs just 71 seconds (K7/600) and mere 16MB hash to find 8 (!) solutions in 8 moves. Here are the PVs: N4xb6+ Nxb6+ Nxb6+ Qfxb6 Qgxd4+ Qxd4 Qxd4+ Nbxd4 N8f6+ Nxf6+ Nxf6+ Qfxf6 Qexc5+ Qxc5 Qxc5# N4xf6+ Nxf6+ Nxf6+ Qbxf6 Qgxd4+ Qxd4 Qxd4+ Nfxd4 N8b6+ Nxb6+ Nxb6+ Qbxb6 Qexe5+ Qxe5 Qxe5# N8xb6+ Nxb6+ Nxb6+ Qfxb6 Qgxd4+ Qxd4 Qxd4+ Nbxd4 N8f6+ Nxf6+ Nxf6+ Qfxf6 Qexc5+ Qxc5 Qxc5# N8xf6+ Nxf6+ Nxf6+ Qbxf6 Qgxd4+ Qxd4 Qxd4+ Nfxd4 N8b6+ Nxb6+ Nxb6+ Qbxb6 Qexe5+ Qxe5 Qxe5# Nc3+ Bxc3 N4xb6+ Qbxb6 Bxb3+ Nxb3 Qgxc5+ Nxc5+ Qexc5+ Qbxc5 Nf4+ Qxf4 Qb7+ Qc6+ Qxc6# Ne3+ Bxe3 N4xf6+ Qfxf6 Bxf3+ Nxf3 Qaxe5+ Nxe5+ Qcxe5+ Qbxe5 Qh1+ Qde4 Qxe4+ Qxe4 Qxe4# Qaxd4+ Qxd4 N8xf6+ Nxf6+ Nxf6+ Qbxf6 Qxd4+ Nfxd4 N8b6+ Nxb6+ Nxb6+ Qbxb6 Qexe5+ Qxe5 Qxe5# Qgxd4+ Qxd4 N4xf6+ Nxf6+ Nxf6+ Qbxf6 Qxd4+ Nfxd4 N8b6+ Nxb6+ Nxb6+ Qbxb6 Qexe5+ Qxe5 Qxe5# Here Chest is comparatively fast, since black can attack the white king, once white does a non-checking move. Heiner
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