Computer Precision in a Historic Endgame – Karpov–Kasparov, 1984, game 9

Karpov – Kasparov 1984 match – game 9
 Black to move
In his recent book, Kasparov comments that 66… Bh1 has not found any refutation yet. It is now possible to say that there never will be any refutation because this 8 piece endgame can be completely pre-computed with FinalGen. It is a draw indeed, and Bh1 is the only move! In the game, Kasparov played Bb7 and lost…