Chess puzzle (Advantage)
Opening: Kings_Indian_Defense, Kings_Indian_Defense_Normal_Variation
Moves: 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. h3 d5 6. cxd5 Nxd5 7. e4 Nxc3 8.
bxc3 c5 9. Be3 Qa5 10. Qd2 Nc6 11. Rd1 Be6 12. Be2 Bxa2 *
Position (FEN): r4rk1/pp2ppbp/2n3p1/q1p5/3PP3/2P1BN1P/b2QBPP1/3RK2R w K - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1285
Best move: Ra1