Colle System: Siroccopteryx Variation

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Moves

1.2.3.4.5.

openings.main_line

1. d2d4 g7g6 2. g1f3 f8g7 3. e2e3 c7c5 4. f1d3 c5d4 5. f3d4 d8a5

A40Colle System: Siroccopteryx Variation

system

Plays as Black

10 openings.moves

openings.source: lichess