X91: King's Pawn Game: Garry Chess System
Named Variations:
Parent: King's Pawn Game
Move Order: 1. e4 e5 2. d3 Bc5 3. c3
Main Line: 3. c3 d5 4. Nf3 Nf6 5. Nxe5 dxe4 6. d4 Bd6
Possible Continuations:
Move Order: 1. e4 e5 2. d3 Bc5 3. c3
Main Line: 3. c3 d5 4. Nf3 Nf6 5. Nxe5 dxe4 6. d4 Bd6

- 7. Nc4 O-O 8. Nxd6 cxd6: X91.0: Russian Variation
- 7. Nd2 e3 8. fxe3: X91.1: Bulgarian Variation
- 7. Be2: X91.2: Danish Variation