Weiß am zug - mate in 3

Georg Marco vs Herbert Trenchard, Vienna, 1898

[FEN "1qk1r2r/Qp4pp/1Rp5/4Nb2/2PPp3/8/P1P2PPP/1R4K1 w - - 1 0 KQkq - 0 1"] [NAVIGATION "0"] [CUSTOM_MOVE "1"] 1.Rxc6+ Kd8 2.Qxb8+ Ke7 3.Qd6#