Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Other_variations
Moves: 1. c4 d6 2. g3 e5 3. Nc3 Nd7 4. Bg2 Rb8 5. d3 b6 6. a3 Ngf6 7. e3 Nc5 8. Qc2
Bd7 9. Nge2 Ba4 *
Position (FEN): 1r1qkb1r/p1p2ppp/1p1p1n2/2n1p3/b1P5/P1NPP1P1/1PQ1NPBP/R1B1K2R w KQk - 5 10
White to move.
Themes:  Opening  
Puzzle rating: 1035
Best move: Nxa4