Chess puzzle (Advantage)
Opening: Pirc_Defense, Pirc_Defense_Other_variations
Moves: 1. e4 d6 2. d4 c6 3. Nc3 Qc7 4. Nf3 e5 5. d5 Bg4 6. h3 Bh5 7. Be2 Nd7 8. Be3
Ngf6 9. Qd3 a5 10. Nd2 Bg6 11. Qc4 Rc8 12. Bd3 Be7 13. O-O O-O 14. a4 Rfe8 15.
Ne2 h6 16. c3 Bf8 17. b4 axb4 18. cxb4 Qb8 19. a5 *
Position (FEN): 1qr1rbk1/1p1n1pp1/2pp1nbp/P2Pp3/1PQ1P3/3BB2P/3NNPP1/R4RK1 b - - 0 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1742
Best move: cxd5