rnbqkb1r/ppp1pppp/1n1p4/4P3/2PP1P2/8/PP4PP/RNBQKBNR b KQkq - 0 5 ; B03 Alekhine Defense: Four Pawns Attack
rnbqkb1r/ppp1pp1p/1n1p4/4P1p1/2PP1P2/8/PP4PP/RNBQKBNR w KQkq - 0 6 ; B03 Alekhine Defense: Four Pawns Attack, Cambridge Gambit
rnbqkb1r/ppp1pp1p/1n1p2p1/4P3/2PP1P2/8/PP4PP/RNBQKBNR w KQkq - 0 6 ; B03 Alekhine Defense: Four Pawns Attack, Fianchetto Variation
r2qkb1r/ppp1p1pp/1nn1p3/2P5/3P2b1/5N2/PP4PP/RNBQKB1R b KQkq - 0 9 ; B03 Alekhine Defense: Four Pawns Attack, Ilyin-Zhenevsky Variation
rn1q1rk1/ppp1b1pp/1n2pp2/4Pb2/2PP4/2N2N2/PP2B1PP/R1BQ1RK1 w - - 0 11 ; B03 Alekhine Defense: Four Pawns Attack, Korchnoi Variation
r1bqkb1r/ppp1pppp/1nn5/4P3/2PP4/4B3/PP4PP/RN1QKBNR b KQkq - 2 7 ; B03 Alekhine Defense: Four Pawns Attack, Main Line
2kr3r/pppqbppp/1nn1p3/4Pb2/2PP4/2N1BN2/PP2B1PP/R2Q1RK1 w - - 6 12 ; B03 Alekhine Defense: Four Pawns Attack, Tartakower Variation
rn1qkb1r/ppp1pppp/1n1p4/4Pb2/2PP1P2/8/PP4PP/RNBQKBNR w KQkq - 1 6 ; B03 Alekhine Defense: Four Pawns Attack, Trifunovic Variation