rn1q1knr/1bpp1p1p/1p2p2b/QN4p1/p1P3P1/8/PP1PPP1P/1RB1KBNR w K - 0 10
FEN state: rn1q1knr/1bpp1p1p/1p2p2b/QN4p1/p1P3P1/8/PP1PPP1P/1RB1KBNR w K - 0 10 ; Best move: a5c3
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at f8, black knight at g8 and black rook at h8. Black bishop at b7, black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at b6, black pawn at e6 and black bishop at h6. White queen at a5, white knight at b5 and black pawn at g5. Black pawn at a4, white pawn at c4 and white pawn at g4. White pawn at a2, white pawn at b2, white pawn at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 10. White to move.