D43advanced

Semi-Slav Defense

A hybrid of the Slav and Queen's Gambit Declined. Black plays both ...c6 and ...e6, creating a solid but flexible setup.

35%
White wins
35%
Draw
30%
Black wins

Main Line Moves

1.d4d52.c4c63.Nf3Nf64.Nc3e65.Bg5Nbd76.e3Qa57.Nd2Bb48.Qc2O-O

Key Ideas

  • 1Combines the solidity of the Slav with QGD ideas
  • 2The light-squared bishop is temporarily restricted
  • 3Black aims for ...dxc4 followed by ...b5
  • 4Many sharp and well-analyzed variations

Variations

Meran Variation

d4d5c4c6Nf3Nf6Nc3e6e3Nbd7Bd3dxc4Bxc4b5Bd3Bb7

Black breaks with ...b5 to activate the queenside and free the bishop

Botvinnik Variation

d4d5c4c6Nf3Nf6Nc3e6Bg5dxc4e4b5e5h6Bh4g5

One of the sharpest lines in all of chess theory — deeply analyzed tactical positions

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