Тест Тестовый (Algeria)
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1.Be6+? Kxe6 2.Qf7#
1...Kc6 2.Bxc4 e4 3.Qc7#
but 1...Ke4!
1.Be2! threat
1...c3 2.Qc7 ~ 3.Qc4#
2...Ke4 /Kd4 3.Qxe5#
2...Ke6 3.Qf7#
I. 1...Kc6 2.Bxc4 e4 3.Qc7# (model mate №1)
II. 1...e4 2.Qb6 c3 3.Qd6 # (model mate №2)
2...e3 3.Bf3 #
III. 1...Ke4 2.Qc5 c3 3.Qxe5# (model mate №3)
2...Kf4/Kf5 3.Qxe5#
1...Ke6 2.Qf7#
Model mates, flight giving key.
Variations I, II and III are similar to each other.
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