r1b1kb1r/pp1n1ppp/2p1pn2/q2p2B1/2PP4/2N1PN2/PP3PPP/R2QKB1R w KQkq - 1 7 ; D52 Queen's Gambit Declined: Cambridge Springs Defense
r1b1kb1r/pp1n1ppp/2p1pn2/q2P2B1/3P4/2N1PN2/PP3PPP/R2QKB1R b KQkq - 0 7 ; D52 Queen's Gambit Declined: Cambridge Springs Defense
r1b2rk1/pp1n1ppp/2p1pn2/q2p4/1bPP3B/2N1P3/PPQN1PPP/R3KB1R b KQ - 7 9 ; D52 Queen's Gambit Declined: Cambridge Springs Defense, Argentine Variation
r1b1k2r/pp1n1ppp/2p1pn2/q2p2B1/1bPP4/2N1P3/PPQN1PPP/R3KB1R b KQkq - 4 8 ; D52 Queen's Gambit Declined: Cambridge Springs Defense, Bogoljubow Variation
r1b1kb1r/pp1n1ppp/2p1pB2/q2p4/2PP4/2N1PN2/PP3PPP/R2QKB1R b KQkq - 0 7 ; D52 Queen's Gambit Declined: Cambridge Springs Defense, Capablanca Variation
r1b1kb1r/pp1n1ppp/2p1pn2/q5B1/2pP4/2N1P3/PP1N1PPP/R2QKB1R w KQkq - 0 8 ; D52 Queen's Gambit Declined: Cambridge Springs Defense, Rubinstein Variation
r1b1kb1r/pp1n1ppp/2p1p3/q2n2B1/3P4/2N1PN2/PP3PPP/R2QKB1R w KQkq - 0 8 ; D52 Queen's Gambit Declined: Cambridge Springs Defense, Yugoslav Variation