Chessmate

Colle-Zukertort System · Black

Classical c5, Support Nf5 with g6 (D05)

White replies…

White replies… d4

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Colle-Zukertort System · WhiteDifficulty 2/3

White repertoire · ECO A46–D05

Sample line with full explanations: Classical c5, Central Exchange.

All lines in this course

ECO A46–D05

Every one of these lines is explained move by move in the app — with recall practice and spaced review.

Train this course
  1. Classical c5, Support Nf5 with g6Sample

    1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. b3 cxd4 6. exd4 Bd6 7. Bb2 O-O 8. O-O b6 9. Qe2 Nc6 10. a3 Bb7 11. Nbd2 Ne7 12. Ne5 g6

  2. b6 and c5, c-File Counterplay

    1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. b3 c5 6. Bb2 Nc6 7. O-O d5 8. Nbd2 Bd6 9. a3 cxd4 10. exd4 O-O 11. Re1 Ne7 12. Ne5 Rc8

  3. Bd6 Setup, Timed Central Exchange

    1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 Bd6 5. b3 O-O 6. O-O b6 7. Bb2 Bb7 8. Nbd2 Nbd7 9. Ne5 c5 10. f4 Rc8 11. Qf3 Rc7 12. Qh3 cxd4

  4. Bg4 Pin, Ba3 Counterplay

    1. Nf3 Nf6 2. d4 d5 3. e3 c6 4. Bd3 Bg4 5. Nbd2 Nbd7 6. h3 Bh5 7. Be2 e6 8. b3 Bd6 9. Bb2 O-O 10. O-O Qe7 11. Ne5 Bxe2 12. Qxe2 Ba3

  5. Immediate c5, Exchange the e5 Knight

    1. d4 d5 2. Nf3 c5 3. e3 e6 4. b3 Nf6 5. Bb2 Nbd7 6. Nbd2 b6 7. Bd3 Bb7 8. O-O Be7 9. Ne5 Nxe5 10. dxe5 Ne4 11. Nxe4 dxe4 12. Bb5+ Kf8

  6. Ne5 and f4, Strike with f5

    1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 b6 5. Nbd2 Bb7 6. b3 c5 7. Bb2 Nc6 8. O-O Be7 9. Ne5 O-O 10. a3 Nxe5 11. dxe5 Nd7 12. f4 f5