r1bqkb1r/pppp1ppp/2n2n2/1B2p3/4P3/2N2N2/PPPP1PPP/R1BQK2R b KQkq - 5 4 ; C48 Four Knights Game: Spanish Variation
r1bq1rk1/pppp1ppp/2n2n2/1B2P3/1b1P1P2/2N5/PPP3PP/R1BQ1RK1 w - - 1 10 ; C48 Four Knights Game: Spanish Variation, Bardeleben Variation
r1bqk2r/pppp1ppp/2n2n2/1Bb1p3/4P3/2N2N2/PPPP1PPP/R1BQK2R w KQkq - 6 5 ; C48 Four Knights Game: Spanish Variation, Classical Variation
r1bqkb1r/1ppp1ppp/p1B2n2/4p3/4P3/2N2N2/PPPP1PPP/R1BQK2R b KQkq - 0 5 ; C48 Four Knights Game: Spanish Variation, Ranken Variation
r1bqkb1r/pppp1ppp/5n2/1B2p3/3nP3/2N2N2/PPPP1PPP/R1BQK2R w KQkq - 6 5 ; C48 Four Knights Game: Spanish Variation, Rubinstein Variation
r1bqkb1r/pppp1ppp/5n2/4p3/3nP3/2N2N2/PPPPBPPP/R1BQK2R b KQkq - 7 5 ; C48 Four Knights Game: Spanish Variation, Rubinstein Variation
r1b1kb1r/ppppqppp/5n2/1B2N3/3nPP2/2N5/PPPP2PP/R1BQK2R b KQkq - 0 6 ; C48 Four Knights Game: Spanish Variation, Rubinstein Variation
r1bqkb1r/pppp1ppp/5n2/1B2p3/3NP3/2N5/PPPP1PPP/R1BQK2R b KQkq - 0 5 ; C48 Four Knights Game: Spanish Variation, Rubinstein Variation Accepted
r1bqkb1r/pppp1ppp/5n2/1B2p3/3nP3/2N2N2/PPPP1PPP/R1BQ1RK1 b kq - 7 5 ; C48 Four Knights Game: Spanish Variation, Rubinstein Variation, Henneberger Variation
r1bq1rk1/pppp1ppp/5n2/2b1N3/B2nP3/2N5/PPPP1PPP/R1BQK2R w KQ - 1 7 ; C48 Four Knights Game: Spanish Variation, Rubinstein Variation, Marshall Gambit
r1bq1rk1/pppp1ppp/5n2/1Bb1N3/3nP3/2N5/PPPP1PPP/R1BQ1RK1 w - - 3 7 ; C48 Four Knights Game: Spanish Variation, Rubinstein Variation, Marshall Variation
r1bq1rk1/ppp2ppp/1b1p1n2/4p3/N3P3/3P1B2/PPP2PPP/R1BQ1RK1 w - - 2 10 ; C48 Four Knights Game: Spanish Variation, Rubinstein Variation, Maróczy Variation
r3kb1r/1pp2ppp/p1p1b3/3q4/3PN3/8/PPP2PPP/R1BQR1K1 w kq - 1 11 ; C48 Four Knights Game: Spanish Variation, Spielmann Variation
r1bq1rk1/pppp1ppp/2n2n2/1B2p3/4P3/2bP1N2/PPP2PPP/R1BQ1RK1 w - - 0 7 ; C49 Four Knights Game: Spanish Variation
r1b2rk1/ppp1qppp/2n2n2/1B1pp3/1b2P3/3P1N2/PPP1NPPP/R1BQ1RK1 w - - 0 8 ; C49 Four Knights Game: Spanish Variation, Alatortsev Variation
r1bqk2r/pppp1ppp/2n2n2/1B2p3/1b2P3/2N2N2/PPPP1PPP/R1BQK2R w KQkq - 6 5 ; C49 Four Knights Game: Spanish Variation, Double Spanish
r1bq1rk1/pppp1ppp/2n2n2/1B2p3/1b2P3/2NP1N2/PPP2PPP/R1BQ1RK1 b - - 0 6 ; C49 Four Knights Game: Spanish Variation, Double Spanish
r1bq1rk1/pppp1ppp/2n5/1B1P4/1b2p3/5N2/PPPP1PPP/R1BQ1RK1 w - - 0 8 ; C49 Four Knights Game: Spanish Variation, Gunsberg Counterattack
r1bq1rk1/ppp2ppp/2np1n2/1B2p3/4P3/2PP1N2/P1P2PPP/R1BQR1K1 b - - 1 8 ; C49 Four Knights Game: Spanish Variation, Janowski Variation
r1bq1rk1/pppp1ppp/2B2n2/4p3/1b2P3/2N2N2/PPPP1PPP/R1BQ1RK1 b - - 0 6 ; C49 Four Knights Game: Spanish Variation, Nimzowitsch Variation
r1bq1rk1/ppp2ppp/2n2n2/1B1pp3/4P3/2PP1N2/P1P2PPP/R1BQ1RK1 w - - 0 8 ; C49 Four Knights Game: Spanish Variation, Svenonius Variation
r1bq1rk1/ppp2ppp/2np1n2/1B2p3/1b2P3/2NP1N2/PPP2PPP/R1BQ1RK1 w - - 0 7 ; C49 Four Knights Game: Spanish Variation, Symmetrical Variation
r2n1rk1/ppp1qppp/3p1n2/1B2p1B1/3PP1b1/2P2N2/P1P2PPP/R2QR1K1 w - - 1 11 ; C49 Four Knights Game: Spanish Variation, Symmetrical Variation
r1bq1rk1/ppp1nppp/3p1n2/1B2p1B1/1b2P3/2NP1N2/PPP2PPP/R2Q1RK1 w - - 2 8 ; C49 Four Knights Game: Spanish Variation, Symmetrical Variation
r1bq1rk1/ppp2ppp/2np1n2/1B2p3/1b2P3/3P1N2/PPP1NPPP/R1BQ1RK1 b - - 1 7 ; C49 Four Knights Game: Spanish Variation, Symmetrical Variation
r1b2rk1/pp2nppp/2pq1n2/3pp1B1/1b2P2N/1BNP4/PPP2PPP/R2Q1RK1 w - - 2 11 ; C49 Four Knights Game: Spanish Variation, Symmetrical Variation, Blake Variation
r1b2rk1/ppp1qppp/2np1n2/1B2p1B1/4P3/2PP1N2/P1P2PPP/R2Q1RK1 w - - 1 9 ; C49 Four Knights Game: Spanish Variation, Symmetrical Variation, Metger Unpin
r2q1rk1/ppp2ppp/2npbn2/1B2p1B1/1b2P3/2NP1N2/PPP2PPP/R2Q1RK1 w - - 2 8 ; C49 Four Knights Game: Spanish Variation, Symmetrical Variation, Tarrasch Variation