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Colle System

Learn the Colle System repertoire on the board: 146 lines in 7 chapters.

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Colle System: position after 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. b3 Nc6
After 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. b3 Nc6
  1. 1. Try the free lines
  2. 2. Play them on the board
  3. 3. Unlock every line

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Train the Colle System repertoire

Try the free lines