Why so little tripling (doubling +1) ?
I've seen tripling (doubling rook, plus putting a queen on the same file) in games from Alekhine, Fischer and Karpov, and others, but it is not very common.
I've seen tripling (doubling rook, plus putting a queen on the same file) in games from Alekhine, Fischer and Karpov, and others, but it is not very common.