Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line
Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line is a chess opening with the ECO code D31, part of the Semi-Slav Defense family. It goes 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. Bg5 f6. White opens with 1. d4 (the queen's pawn) and Black answers 1... d5. After 10 moves it is White to move. After the last move Black is a pawn ahead in material. The lesson on the board explains every move of the line and lets you play it yourself; it is free.
The moves
1. d4 – White plays the pawn to d4
1... d5 – Black plays the pawn to d5
2. c4 – White plays the pawn to c4
2... e6 – Black plays the pawn to e6
3. Nc3 – White plays the knight to c3
3... c6 – Black plays the pawn to c6
4. Nf3 – White plays the knight to f3
4... dxc4 – Black captures on c4 with the d-pawn
5. Bg5 – White plays the bishop to g5
5... f6 – Black plays the pawn to f6
About the Semi-Slav Defense
Black combines ...c6 and ...e6 against the Queen's Gambit, making a solid triangle around d5. Some lines, like the Meran and Botvinnik, are very sharp.
Black can take on c4 with ...dxc4 and hold the pawn with ...b5.
The freeing breaks are ...c5 and ...e5.
The c8 bishop often goes to b7 after ...b5 or ...b6.
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