r1bqk1nr/pppn1ppp/3p4/2b1p3/4PP2/2N2N2/PPPP2PP/R1BQKB1R w KQkq - 2 5 ; C30 King's Gambit Declined: Classical, Hanham Variation
rnbqk1nr/ppp3pp/8/2b2p2/2BpP3/2P2N2/PP4PP/RNBQK2R b KQkq - 1 7 ; C30 King's Gambit Declined: Classical, Réti Variation
rnbqk1nr/ppp2ppp/3p4/2b1P3/4P3/5N2/PPPP2PP/RNBQKB1R b KQkq - 0 4 ; C30 King's Gambit Declined: Classical, Soldatenkov Variation
r2qk2r/ppp2ppp/2np1n2/2b5/2B1Pp2/2NP1Q1P/PPP3P1/R1B1K2R w KQkq - 0 9 ; C30 King's Gambit Declined: Classical, Svenonius Variation