1. Qg6 and Black resigned in light of 1... Rxd5 1... hxg6 2. Rh1# 1... h6 2. Rh1 Rxd5 3. gxh6 Nde6 4. hxg7+ Kg8 5. Rh8# 2. Rh1 Kg8 3. Rxh7 Rf7 3... Nde6 4. Reh1 and Rh8# is unstoppable. 4. Rh8+ Kxh8 5. Qxf7 and there is no way to stop Rh1# 1-0