[Event "Hamburg, 1910"] [White "Frederick Yates"] [Black "Aron Nimzowitsch"] [FEN "8/k2r4/p7/2b1Bp2/P3p3/qp4R1/4QP2/1K6 b - - 0 1"] %Hidden=1 1... Rd1+ 2. Qxd1 Qa2+ 3. Kc1 Ba3+ 4. Bb2 Qxb2#