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Problem 67064

 

Куббель, Карл Артур Леонид Иванович

Шахматы в СССР 1939
2nd Prize
#7  
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Solution: 1.Rg2-g1 ! threat: 2.Qh1-g2 # 1...Rf3-f2 2.Bc5*f2 threat: 3.Qh1-g2 # 2...Be6-d5 3.Qh1*d5 threat: 4.Qd5-g2 # 1...Rf3-g3 2.h2*g3 + 2...Kh3-g4 3.g3*h4 + 3...Kg4-f4 4.Bc5-d6 + 4...Kf4-e3 5.Rg1-g3 + 5...Ke3-e2 6.Qh1-h2 + 6...Ke2-e1 7.Rg3-g1 # 6...Ke2-f1 7.Rg3-g1 # 6...Ke2-d1 7.Rg3-g1 # 5...Ke3-d4 6.Qh1-d1 + 6...Kd4-e4 7.Qd1-d3 # 6...Kd4-c4 7.Qd1-d3 # 5...Ke3-f2 6.Qh1-h2 + 6...Kf2-f1 7.Rg3-g1 # 6...Kf2-e1 7.Rg3-g1 # 5...Ke3-d2 6.Qh1-h2 + 6...Kd2-d1 7.Rg3-g1 # 6...Kd2-e1 7.Rg3-g1 # 6...Kd2-c1 7.Rg3-g1 # 3...Kg4-h5 4.h4*g5 + 4...Kh5-g6 5.g5*h6 + 5...Kg6-f7 6.Qh1-h5 + 6...Kf7-g8 7.h6-h7 # 6...Qg7-g6 7.Qh5*g6 # 5...Kg6-h7 6.h6*g7 + 6...Kh7-g8 7.g7*h8=S #

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Yet another chess problem database + wiki