Nimzo-Indian Defense: St. Petersburg Variation
Coups: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6
└── E43 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5 - Nimzo-Indian Defense: St. Petersburg Variation (2)
Nimzo-Indian Defense: St. Petersburg Variation
Coups: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6
└── E43 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5 - Nimzo-Indian Defense: St. Petersburg Variation (2)
