Queen's Gambit Declined semi-Slav - Chigorin defence
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 Bd6
White plays the queen's pawn to d4. Black advances the queen's pawn to d5. White plays the c-pawn to c4.
Black plays the king's pawn to e6. White develops the knight to c3. Black develops the knight to f6.
White transfers the knight to f3. Black plays the c-pawn to c6. White advances the king's pawn to e3.
Black jumps the knight to d7. White develops the light-squared bishop to d3. Black develops the dark-squared bishop to d6.