rnb1k1nr/pp2pp1p/3p2p1/q1pP4/2P1P3/2P5/P4PPP/R1BQKBNR w KQkq - 1 7 ; A40 Pterodactyl Defense: Central, Benoni Beefeater Pterodactyl
rnb1k1nr/pp1pppbp/6p1/q1pP4/2P1P3/8/PP3PPP/RNBQKBNR w KQkq - 1 5 ; A40 Pterodactyl Defense: Central, Benoni Pterodactyl
rnb1k1nr/pp2ppbp/3p2p1/q1p5/2PPP3/2N5/PP2NPPP/R1BQKB1R w KQkq - 2 6 ; A42 Pterodactyl Defense: Central, Bogolubovia
rnb1k1nr/pp2ppbp/3p2p1/q1p5/2PPP3/2N1B3/PP3PPP/R2QKBNR w KQkq - 2 6 ; B06 Pterodactyl Defense: Central, Anhanguera
rnb1k1nr/pp2ppbp/3p2p1/q1pP4/2P1P3/2N5/PP3PPP/R1BQKBNR w KQkq - 2 6 ; B06 Pterodactyl Defense: Central, Benoni Quetzalcoatlus
rnb1k1nr/pp2ppbp/3p2p1/q1P5/2P1P3/2N5/PP3PPP/R1BQKBNR w KQkq - 1 6 ; B06 Pterodactyl Defense: Central, Quetzalcoatlus Gambit