Semi-Slav Defense · D45

Stoltz Variation, after 2. Nf3, through 8. Bb2

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Bb2

White's queenside bishop takes the long diagonal. ...e6 plus ...c6 holds d5 twice and threatens to take on c4 and keep it with ...b5 - solid structure with real sharpness underneath.

The first 4 moves, explained

• 1. d4 Stakes a claim in the centre, controlling e5, and frees the bishop and queen.
• 1... d5 Stakes a claim in the centre, controlling e4, and frees the bishop and queen.
• 2. Nf3 Develops the knight to f3, eyeing d4 and e5. It also props up the d4 pawn. Theory calls this the Zukertort Variation.
• 2... Nf6 Develops the knight to f6, eyeing d5 and e4. It also props up the d5 pawn. Theory calls this the Symmetrical Variation.

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