Chess puzzle (Advantage)
Opening: Polish_Opening, Polish_Opening_Other_variations
Moves: 1. b4 e5 2. c4 Bxb4 3. Qb3 Be7 4. Nf3 d6 5. e4 Nf6 6. Nc3 Bd7 7. Bd3 Nc6 8. O-O
Be6 9. Qxb7 Bd7 10. Qa6 *
Position (FEN): r2qk2r/p1pbbppp/Q1np1n2/4p3/2P1P3/2NB1N2/P2P1PPP/R1B2RK1 b kq - 2 10
Black to move.
Themes:  Opening  
Puzzle rating: 1178
Best move: Nb4