rnb1kb1r/3pnp2/1p3q1p/p2Pp1p1/2p2P2/N1N2KP1/PPP1P2P/1RBQ1B1R w kq - 0 13
FEN state: rnb1kb1r/3pnp2/1p3q1p/p2Pp1p1/2p2P2/N1N2KP1/PPP1P2P/1RBQ1B1R w kq - 0 13 ; Best move: a3c4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at d7, black knight at e7 and black pawn at f7. Black pawn at b6, black queen at f6 and black pawn at h6. Black pawn at a5, white pawn at d5, black pawn at e5 and black pawn at g5. Black pawn at c4 and white pawn at f4. White knight at a3, white knight at c3, white king at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at e2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. White to move.