Contribution To Theory
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Zaitsev is best known for his contribution to opening theory. His variation of the Ruy Lopez opening (known as the Flohr–Zaitsev Variation, being jointly named for Grandmaster Salo Flohr) follows one of the main lines of the Ruy Lopez and remains in wide use today. In the Flohr–Zaitsev Variation, Black plays 9...Bb7 after the following moves have been played: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3. The move is popular because it fianchettoes the light-squared bishop, putting pressure on White's pawn on e4.
Read more about this topic: Igor Zaitsev
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