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A408 plies · white to move
Colle System: Pterodactyl Variation
The Colle System: Pterodactyl Variation is a chess opening classified under ECO code A40 in the Flank Openings family, characterized by moves like 1.c4, 1.Nf3, or 1.f4, aiming to control the center indirectly. It is reached after 4 moves: 1. d4 g6 2. Nf3 Bg7 3. e3 c5 4. Bd3 Qa5+. The resulting position leaves white to move.
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Resulting Position
Moves
1. d4 g6 2. Nf3 Bg7 3. e3 c5 4. Bd3 Qa5+
Resulting Position (FEN)
rnb1k1nr/pp1pppbp/6p1/q1p5/3P4/3BPN2/PPP2PPP/RNBQK2R w KQkq - 2 51
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Resulting Position