[Retros] Pawn to-the-8th-rank double checkmates

[Hirokaz ONODA]

Hello,

 1.Pd2-d4 Pb7-b6  2.Pd4-d5 Fc8-b7  3.Pd5-d6 Fb7-f3
 4.Pd6xe7 Pd7-d5  5.Dd1-d3 Pd5-d4  6.Dd3-e4 Pd4-d3
 7.Fc1-g5 Pd3xc2  8.Pe7xd8=T 
and 8. Pe7xd8=D too.

 1.Pc2-c4 Pe7-e6  2.Pc4-c5 Re8-e7  3.Pc5-c6 Re7-d6
 4.Pc6xb7 Pc7-c6  5.Dd1-a4 Rd6-c7  6.Da4xa7 Cb8-a6
 7.Pb7-b8=F 
and 7. Pb7-b8=D too.

 1.Pc2-c4 Pe7-e6  2.Pc4-c5 Re8-e7  3.Pc5-c6 Re7-d6
 4.Pc6xb7 Pc7-c6  5.Dd1-a4 Rd6-c7  6.Da4xa7 Ff8-d6
 7.Pb7xa8=C 

 1.Pd2-d4 Pf7-f5  2.Pd4-d5 Cg8-f6  3.Pd5-d6 Th8-g8
 4.Pd6xc7 Pd7-d6  5.Dd1-d4 Fc8-e6  6.Dd4xa7 Re8-d7
 7.Da7xb7 Cf6-e8  8.Pc7-c8=F 

 1.Pd2-d4 Pf7-f5  2.Pd4-d5 Cg8-f6  3.Pd5-d6 Th8-g8
 4.Pd6xc7 Pd7-d6  5.Dd1-d4 Fc8-e6  6.Dd4xa7 Re8-d7
 7.Da7xb7 Cf6-e8  8.Pc7xb8=C 

 1.Pe2-e4 Pc7-c6  2.Pe4-e5 Dd8-b6  3.Pe5-e6 Re8-d8
 4.Pe6xd7 Pe7-e6  5.Pa2-a3 Ff8xa3  6.Dd1-f3 Cg8-e7
 7.Df3xa3 Ce7-g6  8.Da3-e7 Rd8-c7  9.Ta1-a6 Th8-e8
10.Pd7xe8=C

Hiro


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