[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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