rnbq1rk1/pppp1ppp/4pn2/8/1bPP4/2N1P3/PP3PPP/R1BQKBNR w KQ - 1 5 ; E46 Nimzo-Indian Defense: Normal Variation
rnbq1rk1/pppp1ppp/4pn2/8/1bPP4/2NBP3/PP3PPP/R1BQK1NR b KQ - 2 5 ; E47 Nimzo-Indian Defense: Normal Variation
rnbq1rk1/ppp2ppp/4pn2/3p4/1bPP4/2NBP3/PP3PPP/R1BQK1NR w KQ - 0 6 ; E48 Nimzo-Indian Defense: Normal Variation, Classical Defense
rnbq1rk1/ppp2ppp/4pn2/3p4/2PP4/P1PBP3/5PPP/R1BQK1NR b KQ - 0 7 ; E49 Nimzo-Indian Defense: Normal Variation, Botvinnik System
rnbq1rk1/ppp2ppp/4pn2/3p4/1bPP4/2N1PN2/PP3PPP/R1BQKB1R w KQ - 0 6 ; E51 Nimzo-Indian Defense: Normal Variation, Ragozin Variation
rnbq1rk1/ppp2ppp/4pn2/3p4/1bPP4/P1N1PN2/1P3PPP/R1BQKB1R b KQ - 0 6 ; E51 Nimzo-Indian Defense: Normal Variation, Sämisch Deferred
rnbq1rk1/p1p2ppp/1p2pn2/3p4/1bPP4/2NBPN2/PP3PPP/R1BQK2R w KQ - 0 7 ; E52 Nimzo-Indian Defense: Normal Variation, Schlechter Defense
rn1q1rk1/pbp2ppp/1p2pn2/3p4/1bPP4/2NBPN2/PP3PPP/R1BQ1RK1 w - - 0 8 ; E52 Nimzo-Indian Defense: Normal Variation, Schlechter Defense
rnbq1rk1/pp3ppp/4pn2/2pp4/1bPP4/2NBPN2/PP3PPP/R1BQK2R w KQ - 0 7 ; E53 Nimzo-Indian Defense: Normal Variation, Gligoric System
r1bq1rk1/pp1n1ppp/4pn2/2pp4/1bPP4/2NBPN2/PP3PPP/R1BQ1RK1 w - - 2 8 ; E53 Nimzo-Indian Defense: Normal Variation, Gligoric System
rnbq1rk1/p4ppp/1p2pn2/2pp4/1bPP4/2NBPN2/PP3PPP/R1BQ1RK1 w - - 0 8 ; E53 Nimzo-Indian Defense: Normal Variation, Gligoric System, Keres Variation
rnbq1rk1/pp3ppp/4pn2/2p5/1bBP4/2N1PN2/PP3PPP/R1BQ1RK1 b - - 0 8 ; E54 Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation
rnbq1rk1/pp3ppp/4pn2/8/1bBP4/2N2N2/PP3PPP/R1BQ1RK1 b - - 0 9 ; E54 Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation
rnb2rk1/pp2qppp/4pn2/2p5/1bBP4/2N1PN2/PP3PPP/R1BQ1RK1 w - - 1 9 ; E54 Nimzo-Indian Defense: Normal Variation, Gligoric System, Smyslov Variation
r1bq1rk1/pp1n1ppp/4pn2/2p5/1bBP4/2N1PN2/PP3PPP/R1BQ1RK1 w - - 1 9 ; E55 Nimzo-Indian Defense: Normal Variation, Gligoric System, Bronstein Variation
r1bq1rk1/pp3ppp/2n1pn2/2pp4/1bPP4/2NBPN2/PP3PPP/R1BQ1RK1 w - - 2 8 ; E56 Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense
r1bq1rk1/pp3ppp/2n1pn2/8/1bBp4/P1N1PN2/1P3PPP/R1BQ1RK1 w - - 0 10 ; E57 Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense
r1bq1rk1/pp3ppp/2n1pn2/2pp4/2PP4/P1PBPN2/5PPP/R1BQ1RK1 b - - 0 9 ; E58 Nimzo-Indian Defense: Normal Variation, Bernstein Defense, Exchange Line
r1bq1rk1/pp3ppp/2n1pn2/2p5/2BP4/P1P1PN2/5PPP/R1BQ1RK1 b - - 0 10 ; E59 Nimzo-Indian Defense: Normal Variation, Bernstein Defense
r1b2rk1/ppq2ppp/2n1pn2/2p5/2BP4/P1P1PN2/2Q2PPP/R1B2RK1 b - - 5 11 ; E59 Nimzo-Indian Defense: Normal Variation, Bernstein Defense