[Retros] Pawn to the 8th rank mates

[Olli Heimo]

Happy New Year
I was two days without Internet and I thought that I made
seven new records. Now I see that meanwhile Mario did three
of those even better than me. And congratulations to Mario
for many other nice records. Here are my remaining four.

cxb=B:
rsbqk1sr/p1p1pp1p/1P4p1/3pB3/8/3KP3/P2PQPPP/bb3BSR
18 single moves.	13 + 16
1.Pe2-e3   Pb7-b5   2.Ke1-e2   Pb5-b4   3.Ke2-d3   Pb4-b3   
4.Qd1-e2   Pb3xc2   5.Pb2-b4   Pg7-g6   6.Pb4-b5   Bf8-g7   
7.Pb5-b6   Bg7xa1   8.Bc1-b2   Pd7-d5   9.Bb2-e5   Pc2xb1=B

fxg=B:
rsb1kbsr/ppp1pppp/8/8/6qP/3PK3/PPPBP1P1/RS1Q1Bb1
14 single moves.	13 + 16
1.Ph2-h4   Pd7-d5   2.Rh1-h3   Pd5-d4   3.Rh3-e3   Pd4xe3   
4.Pd2-d3   Pe3xf2   5.Ke1-d2   Qd8-d7   6.Kd2-e3   Qd7-g4   
7.Bc1-d2   Pf2xg1=B

b=R:
1R2kbsr/2pbpppp/3q4/pB6/8/8/PPPP1PPP/RSBQK1SR
13 single moves.	16 + 12
1.Pe2-e4   Pd7-d5   2.Pe4xd5   Sb8-c6   3.Pd5xc6   Pa7-a5   
4.Pc6xb7   Ra8-a6   5.Bf1xa6   Qd8-d6   6.Ba6-b5   Bc8-d7   
7.Pb7-b8=R 

b=Q:
Similar as previous b=R. 

Olli
 

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