rnbq2nr/3k1ppp/pp6/2p1P3/8/N1P1P2N/P4PPP/1RB1KB1R w K - 0 12
FEN state: rnbq2nr/3k1ppp/pp6/2p1P3/8/N1P1P2N/P4PPP/1RB1KB1R w K - 0 12 ; Best move: a3c4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black knight at g8 and black rook at h8. Black king at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a6 and black pawn at b6. Black pawn at c5 and white pawn at e5. White knight at a3, white pawn at c3, white pawn at e3 and white knight at h3. White pawn at a2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 12. White to move.