rnbqkb1r/ppp2ppp/4pn2/3p4/2PP1B2/2N5/PP2PPPP/R2QKBNR b KQkq - 3 4 ; D35 Queen's Gambit Declined: Harrwitz Attack
rnbqk2r/ppp1bppp/4pn2/3p4/2PP1B2/2N2N2/PP2PPPP/R2QKB1R b KQkq - 3 5 ; D37 Queen's Gambit Declined: Harrwitz Attack
r1b2rk1/pp3ppp/2n1pn2/q1bp4/2P2B2/P1N1PN2/1PQ2PPP/3RKB1R b K - 0 10 ; D37 Queen's Gambit Declined: Harrwitz Attack
r1b2rk1/pp3ppp/2n1pn2/q1bp4/2P2B2/P1N1PN2/1PQ2PPP/2KR1B1R b - - 2 10 ; D37 Queen's Gambit Declined: Harrwitz Attack
rnbq1rk1/p1p1bppp/1p2pn2/3p4/2PP1B2/2N1PN2/PP3PPP/R2QKB1R w KQ - 0 7 ; D37 Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense
rnbq1rk1/pp3ppp/4pn2/2bp4/2P2B2/2N1PN2/PP3PPP/R2QKB1R w KQ - 0 8 ; D37 Queen's Gambit Declined: Harrwitz Attack, Main Line
rnbq1rk1/pp2bppp/2p1pn2/3p4/2PP1B2/2N1PN2/PP3PPP/R2QKB1R w KQ - 0 7 ; D37 Queen's Gambit Declined: Harrwitz Attack, Orthodox Defense
r1bq1rk1/pppnbppp/4pn2/3p4/2PP1B2/2N1PN2/PP3PPP/R2QKB1R w KQ - 1 7 ; D37 Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense
r1bq1rk1/pppnbppp/4pn2/2Pp4/3P1B2/2N1PN2/PP3PPP/R2QKB1R b KQ - 0 7 ; D37 Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense, Blockade Line