Answer keyMate in 211... Qxd2+ 2. Kf1 Qf2#Black to move21... g5+ 2. hxg5+ hxg5#Black to move31... Qxg1+ 2. Kxg1 Rxb1#Black to move41. Qxh7+ Kxh7 2. Rh4#White to move51. Rh7+ Kxh7 2. Qg7#White to move61. Qxh6+ Kg8 2. Qg6#White to moveSolve these on screen at chessboost.orgPage 2