[Retros] 10.cxd8=R, If 10.cxd8=Q, then single dual

[Olli Heimo]

Hello,
I have not followed all messages during the week but I think
that the following is new:
rQ1Qk1s1/p3pp2/3p4/6p1/8/3P3b/P1PP1PPP/RSB1KBSR
19 single moves.	16 + 9
Solution 1 
1.Pb2-b4   Ph7-h5   2.Pb4-b5   Rh8-h6   3.Pb5-b6   Rh6-d6   
4.Pb6xc7   Rd6-d3   5.Pe2xd3   Pg7-g5   6.Qd1xh5   Bf8-h6   
7.Qh5xh6   Pb7-b6   8.Qh6xb6   Pd7-d6   9.Qb6xb8   Bc8-h3   
10.Pc7xd8=Q 
Solution 2 
1.Pb2-b4   Ph7-h5   2.Pb4-b5   Rh8-h6   3.Pb5-b6   Rh6-d6   
4.Pb6xc7   Rd6-d3   5.Pe2xd3   Pg7-g5   6.Qd1xh5   Bf8-h6   
7.Qh5xh6   Pb7-b6   8.Qh6xb6   Pd7-d6   9.Pc7xb8=Q Bc8-h3   
10.Qb6xd8 
Replace  wQd8 by rook then only one solution.
Very likely someone finds a shorter version. Olli


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