Luke McShane

Collapsing barricades

issue 31 October 2020

Geometry shmometry. The pirouette of a knight may be pleasing to the eye, but sometimes what I really crave is a demolition. I don’t mean a smash-and-grab king hunt. I want to see a crumbling edifice, a colossal concrete barrier wilting beneath a torrent of water, as in The Dam Busters. On the chessboard, diagonal chains of pawns are our barriers: daunting, manmade and ostensibly impermeable.

Aron Nimzowitsch theorised in My System that pawn chains should be attacked at their base. Sound strategy, but when the base lies beyond reach, a more drastic bombardment can be called for, such as that which occurred in a recent game between two computers.

Leela Chess Zero has been hunkering down since the opening, and Stockfish has lain siege.
We join the game at move 150(!) – see left of diagram.

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