Therefore we should concentrate our efforts on the calcu lation of th is pawn ending. Similarly the white king controls g6 and h6, preventing him from escaping down the board and boxing him into the top right corner. And you will note that many of the variations examined above lend added credence to our earlier suggestion obvious though it may be that inserting the moves Kf3 Rxe5 It is clear that here we beg in to have mutual zugzwang positions.
nest...