r2q1kn1/p1ppp1br/np3pQp/5P2/1PP3p1/B6P/P2PKPP1/RN3B1R w - - 0 13
FEN state: r2q1kn1/p1ppp1br/np3pQp/5P2/1PP3p1/B6P/P2PKPP1/RN3B1R w - - 0 13 ; Best move: b1c3
The current state of the chess board is: Black rook at a8, black queen at d8, black king at f8 and black knight at g8. Black pawn at a7, black pawn at c7, black pawn at d7, black pawn at e7, black bishop at g7 and black rook at h7. Black knight at a6, black pawn at b6, black pawn at f6, white queen at g6 and black pawn at h6. White pawn at f5. White pawn at b4, white pawn at c4 and black pawn at g4. White bishop at a3 and white pawn at h3. White pawn at a2, white pawn at d2, white king at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 13. White to move.