Nimzo-Indian Defense: St. Petersburg Variation, Romanishin–Psakhis Variation

1.
1. d4
2. Nf6
2.
3. c4
4. e6
3.
5. Nc3
6. Bb4
4.
7. e3
8. b6
5.
9. Ne2
10. c5
6.
11. a3
12. Ba5

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The Nimzo-Indian Defense: St. Petersburg Variation, Romanishin–Psakhis Variation is a chess opening classified under ECO code E44 (Indian defences). It is a variation of the Nimzo-Indian Defense family. Step through the moves on the board above, then play the line yourself or review it with the built-in engine.