Мат в 4 хода
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1.Qe2-f3 ! threat:
2.Qf3-c6 zugzwang.
2...Ka8-a7
3.Qc6-a6 #
2...Rb8-h8
3.Qc6*b7 #
2...Rb8-g8
3.Qc6*b7 #
2...Rb8-f8
3.Qc6*b7 #
2...Rb8-e8
3.Qc6*b7 #
2...Rb8-d8
3.Qc6*b7 #
2...Rb8-c8
3.Qc6*b7 #
1...Ka8-a7
2.Qf3-f6 threat:
3.Qf6-a6 #
2...Ka7-a8
3.Qf6-c6 zugzwang.
3...Ka8-a7
4.Qc6-a6 #
3...Rb8-h8
4.Qc6*b7 #
3...Rb8-g8
4.Qc6*b7 #
3...Rb8-f8
4.Qc6*b7 #
3...Rb8-e8
4.Qc6*b7 #
3...Rb8-d8
4.Qc6*b7 #
3...Rb8-c8
4.Qc6*b7 #
2...Rb7-b6
3.Qf6-a1 +
3...Rb6-a6
4.Qa1*a6 #
2...Rb8-a8
3.Qf6-a6 +
3...Ka7-b8
4.Qa6*b7 #
2...Rb8-h8
3.Qf6-a6 +
3...Ka7-b8
4.Qa6*b7 #
2...Rb8-g8
3.Qf6-a6 +
3...Ka7-b8
4.Qa6*b7 #
2...Rb8-f8
3.Qf6-a6 +
3...Ka7-b8
4.Qa6*b7 #
2...Rb8-e8
3.Qf6-a6 +
3...Ka7-b8
4.Qa6*b7 #
2...Rb8-d8
3.Qf6-a6 +
3...Ka7-b8
4.Qa6*b7 #
2...Rb8-c8
3.Qf6-a6 +
3...Ka7-b8
4.Qa6*b7 #
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