Puzzle 485426: Black to win
Puzzle 485426: Black to win
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GER-ch Net Amateur Gr-A Final Playchess.com INT (10), 2020.04.18 Christof Koellner (1992) - Sven Holger Hortolani (2043)
GER-ch Net Amateur Gr-A Final Playchess.com INT (10), 2020.04.18
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Hint
Main motif of this puzzle: Opera mate
In opera mate, a rook checkmates the king. The rook is next to the king, but can't be captured, because it is protected by a bishop (or a queen on the diagonal), which also prevents the escape.
Learn more in this guide.
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