All ECO Codes
\
B29
Sicilian Defence
Nimzovich-Rubinstein Variation
1.e4 c5 2.Nf3 Nf6
B29
Sicilian Defence
Nimzovich-Rubinstein Variation, Rubinstein Counter-Gambit
1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.Nc3 e6 5.Nxd5 exd5 6.d4 Nc6