1nbqkbn1/3pp1r1/2pP2p1/pp4Np/1P3pPP/3P4/P2BPP1R/RN1QKB2 w Q - 2 13
FEN state: 1nbqkbn1/3pp1r1/2pP2p1/pp4Np/1P3pPP/3P4/P2BPP1R/RN1QKB2 w Q - 2 13 ; Best move: d2f4
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at d7, black pawn at e7 and black rook at g7. Black pawn at c6, white pawn at d6 and black pawn at g6. Black pawn at a5, black pawn at b5, white knight at g5 and black pawn at h5. White pawn at b4, black pawn at f4, white pawn at g4 and white pawn at h4. White pawn at d3. White pawn at a2, white bishop at d2, white pawn at e2, white pawn at f2 and white rook at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 2. Full move number is 13. White to move.