Queen's Gambit Declined Slav - exchange - Trifunovic variation
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Qb3 Bb4
White advances the queen's pawn to d4. Black moves the queen's pawn to d5. White pushes the c-pawn to c4.
Black plays the c-pawn to c6. White develops the knight to f3. Black develops the knight to f6.
White captures on d5 with the c-pawn. Black captures on d5 with the c-pawn. White jumps the knight to c3.
Black moves the knight to c6. White develops the dark-squared bishop to f4. Black develops the light-squared bishop to f5.
White moves the king's pawn to e3. Black plays the king's pawn to e6. White places the queen to b3.
Black deploys the dark-squared bishop to b4.