rnbqkbnr/pp1ppppp/8/2p5/2P5/8/PP1PPPPP/RNBQKBNR w KQkq - 0 2 ; A30 English Opening: Symmetrical Variation
rnbqkbnr/pp1ppppp/8/2p5/2P5/5N2/PP1PPPPP/RNBQKB1R b KQkq - 1 2 ; A30 English Opening: Symmetrical Variation
rn1qk2r/pb1pbppp/1p2pn2/2p5/2P5/2N2NP1/PP1PPPBP/R1BQ1RK1 w kq - 4 7 ; A30 English Opening: Symmetrical Variation, Hedgehog Defense
rnbqkb1r/pp1ppppp/5n2/2p5/1PP5/5N2/P2PPPPP/RNBQKB1R b KQkq - 0 3 ; A30 English Opening: Symmetrical Variation, Napolitano Gambit
rnbqkb1r/pp1ppppp/5n2/2p5/2PP4/5N2/PP2PPPP/RNBQKB1R b KQkq - 1 3 ; A31 English Opening: Symmetrical Variation, Anti-Benoni Variation
rnbqkb1r/pp1p1ppp/4pn2/8/2PN4/8/PP2PPPP/RNBQKB1R w KQkq - 1 5 ; A32 English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense
r1b1kb1r/pp1p1ppp/1qn1pn2/8/2PN4/2N3P1/PP2PP1P/R1BQKB1R w KQkq - 1 7 ; A33 English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation
r1bqkb1r/pp1p1ppp/2n1pn2/8/2PN4/2N5/PP2PPPP/R1BQKB1R w KQkq - 1 6 ; A33 English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense
r1bqkb1r/pp2pppp/2n2n2/3p4/2Pp4/2N2NP1/PP2PP1P/R1BQKB1R w KQkq - 0 6 ; A34 English Opening: Symmetrical Variation
rnbqkb1r/pp1ppppp/5n2/2p5/2P5/2N3P1/PP1PPP1P/R1BQKBNR b KQkq - 0 3 ; A34 English Opening: Symmetrical Variation, Fianchetto Variation
rnbqkbnr/pp1ppppp/8/2p5/2P5/2N5/PP1PPPPP/R1BQKBNR b KQkq - 1 2 ; A34 English Opening: Symmetrical Variation, Normal Variation
rnbqkb1r/ppn1pppp/8/2p5/8/2N3P1/PP1PPPBP/R1BQK1NR w KQkq - 2 6 ; A34 English Opening: Symmetrical Variation, Rubinstein Variation
r1bqkb1r/ppn1pppp/2n5/2p5/8/2N2NP1/PP1PPPBP/R1BQK2R w KQkq - 3 7 ; A34 English Opening: Symmetrical Variation, Rubinstein Variation
rnbqkb1r/pp1ppppp/5n2/2p5/2P5/2N2N2/PP1PPPPP/R1BQKB1R b KQkq - 3 3 ; A34 English Opening: Symmetrical Variation, Three Knights Variation
rnbqkb1r/pp1p1ppp/5n2/2p1p3/2P5/2N2N2/PP1PPPPP/R1BQKB1R w KQkq - 0 4 ; A35 English Opening: Symmetrical Variation
r1bqkb1r/pp1ppppp/2n2n2/2p5/2P5/2N2N2/PP1PPPPP/R1BQKB1R w KQkq - 4 4 ; A35 English Opening: Symmetrical Variation, Four Knights Variation
r1bqkb1r/pp1p1ppp/2n1pn2/2p5/2P5/2N2NP1/PP1PPP1P/R1BQKB1R w KQkq - 0 5 ; A35 English Opening: Symmetrical Variation, Four Knights Variation, Keres-Parma System
r1bqkbnr/pp1ppppp/2n5/2p5/2P5/2N5/PP1PPPPP/R1BQKBNR w KQkq - 2 3 ; A35 English Opening: Symmetrical Variation, Two Knights Variation
r1bqk1nr/pp1pppbp/2n3p1/2p5/2P1P3/2N3P1/PP1P1PBP/R1BQK1NR b KQkq - 2 5 ; A36 English Opening: Symmetrical Variation, Botvinnik System
r1bqk1nr/pp1p1pbp/2n3p1/2p1p3/2P5/2N1P1P1/PP1P1PBP/R1BQK1NR w KQkq - 0 6 ; A36 English Opening: Symmetrical Variation, Botvinnik System Reversed, with e3
r1bqkbnr/pp1ppppp/2n5/2p5/2P5/2N3P1/PP1PPP1P/R1BQKBNR b KQkq - 0 3 ; A36 English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation
r1bqk1nr/pp1pppbp/2n3p1/2p5/2P5/2N3P1/PP1PPPBP/R1BQK1NR w KQkq - 4 5 ; A36 English Opening: Symmetrical Variation, Ultra-Symmetrical Variation
r1bqk1nr/pp1p1pbp/2n3p1/2p1p3/2P5/2N2NP1/PP1PPPBP/R1BQK2R w KQkq - 0 6 ; A37 English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3
r1bqk1nr/pp3pbp/2np2p1/2p1p3/2P5/2N2NP1/PP1PPPBP/R1BQ1RK1 w kq - 0 7 ; A37 English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3
r1bqk2r/pp1pnpbp/2n3p1/2p1p3/2P5/2N2NP1/PP1PPPBP/R1BQ1RK1 w kq - 2 7 ; A37 English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3
r1bqk2r/pp1pnpbp/2n3p1/2p1p3/2P5/P1N2NP1/1P1PPPBP/R1BQ1RK1 b kq - 0 7 ; A37 English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3
r1bqk2r/pp1pnpbp/2n3p1/2p1p3/2P5/2NP1NP1/PP2PPBP/R1BQ1RK1 b kq - 0 7 ; A37 English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3
r1bqk2r/pp2npbp/2np2p1/2p1p3/2P5/2NP1NP1/PP2PPBP/R1BQ1RK1 w kq - 0 8 ; A37 English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3
r1bqk1nr/pp1pppbp/2n3p1/2p5/2P5/2N2NP1/PP1PPPBP/R1BQK2R b KQkq - 3 5 ; A37 English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation
r1bqk1nr/pp2ppbp/2np2p1/2p5/2P5/2N2NP1/PP1PPPBP/R1BQ1RK1 b kq - 1 6 ; A37 English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation
r1bqk1nr/pp1p1pbp/2n1p1p1/2p5/2P5/2N2NP1/PP1PPPBP/R1BQ1RK1 b kq - 1 6 ; A37 English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation
r1bq1rk1/pp1pppbp/2n2np1/2p5/2P5/1PN2NP1/P2PPPBP/R1BQ1RK1 b - - 0 7 ; A38 English Opening: Symmetrical Variation, Double Fianchetto
r1bq1rk1/pp1pppbp/2n2np1/2p5/2P5/2NP1NP1/PP2PPBP/R1BQ1RK1 b - - 0 7 ; A38 English Opening: Symmetrical Variation, Duchamp Variation
r1bqk2r/pp1pppbp/2n2np1/2p5/2P5/2N2NP1/PP1PPPBP/R1BQK2R w KQkq - 2 6 ; A38 English Opening: Symmetrical Variation, Full Symmetry Line
r1bq1rk1/pp1pppbp/2n2np1/2p5/2PP4/2N2NP1/PP2PPBP/R1BQ1RK1 b - - 0 7 ; A39 English Opening: Symmetrical Variation, Mecking Variation