
Black to play
The solution is: 31… Rxd4 32. Rxd4 Nxb2 33. Be4 a3 34. Bb1 b5 35. Rd2 Na4 36. Rc2 Bf5 37. Rc1 Bxb1 38. Rxb1 c5 39. bxc5 a2 40. Ra1 Nc3 0-1

Black to play
The solution is: 31… Rxd4 32. Rxd4 Nxb2 33. Be4 a3 34. Bb1 b5 35. Rd2 Na4 36. Rc2 Bf5 37. Rc1 Bxb1 38. Rxb1 c5 39. bxc5 a2 40. Ra1 Nc3 0-1