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Problem 50012

 

Богданов, Євгеній Михайлович

Mat-64, 2001 (205)
#3  
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Solution: 1.Qh1-h4 ! zugzwang. 1...d7-d5 2.Qh4-f2 + 2...Kd4-e5 3.Qf2-f6 # 2...Kd4-d3 3.Qf2-d2 # 1...Kd4-d5 2.Qh4-f6 threat: 3.Qf6-d6 # 1...Kd4-d3 2.Qh4-f2 threat: 3.Qf2-d2 # 1...Kd4-e5 2.Qh4-f6 + 2...Ke5-d5 3.Qf6-d6 # 1...Kd4-e3 2.Qh4-f2 + 2...Ke3-d3 3.Qf2-d2 # 1...d7-d6 2.Qh4-g3 zugzwang. 2...Kd4-d5 3.Qg3*d6 # 2...d6-d5 3.Qg3-c3 #

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Yet another chess problem database + wiki