D57
Queen's Gambit Declined: Lasker Defense, Bernstein Variation
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 h6 6. Bh4 O-O 7. Nf3 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 Qd6
The Queen's Gambit Declined: Lasker Defense, Bernstein Variation is a chess opening classified under ECO code D57. It is reached after the moves 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 h6 6. Bh4 O-O 7. Nf3 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 Qd6.
It belongs to the Queen's Gambit Declined family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.
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