Chess puzzle (Advantage)
Moves: 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bg6 5. Bxg6 hxg6 6. h3 e6 7. Nf3 Be7 8. a3
Nd7 9. Nc3 Nb6 10. Qe2 a6 11. a4 Nh6 12. a5 Nc4 13. b3 Nxa5 14. Bd2 c5 15. dxc5
Bxc5 16. Nd1 Nc6 17. c3 Nf5 18. b4 Bb6 19. b5 Na5 20. bxa6 bxa6 21. Ne3 Nxe3
22. Bxe3 Bxe3 23. Qxe3 Nc4 24. Qc5 Rc8 25. Qb4 a5 26. Qa4+ Ke7 27. Nd4 Qc7 28.
O-O Nb2 *
Position (FEN): 2r4r/2q1kpp1/4p1p1/p2pP3/Q2N4/2P4P/1n3PP1/R4RK1 w - - 6 29
White to move.
Themes:  Middlegame  
Puzzle rating: 1186
Best move: Qa3+