White to play and win (hard)
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1.Nxb7‼ Rxb7 2.Qxb7 Qxb7 ( 2...Rxc3 3.Qxe7 Rxc1+ 4.Kg2 ) 3.Rxc8 Kf8 4.Rb8! Qxb8 ( 4...Qa7 5.Rxe8+ Kxe8 6.Rc8+ Ke7 7.Nc6+ Kd7 8.Nxa7 ) 5.Nd7+ Ke7 6.Nxb8 1-0