Gruenfeld Defense Russian Variations Chessmas Day 10 3'' diameter base

3'' diameter base

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not requiring much memorisation

in addition to various engines

Players started to sacrifice material for long term compensation/initiative trying to pose as many practical problems as possible so that it becomes difficult for opponents to solve all the problems over-the-board in the given time control

Gruenfeld Defense Russian Variations Chessmas Day 10 3'' diameter baseBook Description The Gruenfeld Defense is one of the most reliable chess defenses for Black these days, and the evaluation of the Exchange Variation (4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3) keeps changing all the time. There is another system for white, however, which has maintained its vitality over many years. This is the Russian System, which involves placement of the white queen at b3, where it puts pressure on the light squares. The move Qdl b3 can be