1.. d3 threatens mate on h1. 2 Qxd3 Rxd3 is winning otherwise 2. Bxd3 f3 threatens mate again. longest defense would be something like But as usual I might have missed a defense. 3. Re3 Qh1 4. Rg1 Qxg1 5. Kxg1 Rg8 6. Kf1 Rg1+
one defense I missed first time 1... d3 2. f3 dxc2 and the threat is Qh1 followed by Re2 after a kingmove, or Qxg1 and Rg8 after Rg1