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Answer keyBack-rank mates11. Ne7+ Kh8 2. Rxf8#White to move21. Rxg8+ Kxg8 2. Qc8+ Qd8 3. Qxd8#White to move31. Rc8+ Rf8 2. Qd5+ Kh8 3. Rxf8#White to move41. Nc7+ Kb8 2. Ne8+ Ka8 3. Qd8#White to move51... Qf4+ 2. Kb1 Rf1+ 3. Rxf1 Qxf1#Black to move61... Qc2 2. Rxc2 Rd1+ 3. Rc1 Rxc1#Black to moveSolve these on screen at chessboost.orgPage 2