[Retros] Pawn to-the-3rd-rank mates
Richard Stanley
rstan at math.mit.edu
Thu Jan 4 22:36:12 EST 2007
An improvement on Pb7xa6 double checkmate (C+):
1.e2-e3 Sb8-a6 2.Bf1*a6 e7-e6 3.Ke1-e2 Qd8-f6 4.Ke2-d3 Qf6*b2
5.Kd3-c4 Qb2-a3 6.Kc4-b5 Ra8-b8 7.c2-c4 b7*a6 ##
Richard
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