r1b2rk1/pppp1p1p/2n1p2n/b4p2/PP3P1P/B7/2qPP1PR/RN1QKB2 w Q - 0 13
FEN state: r1b2rk1/pppp1p1p/2n1p2n/b4p2/PP3P1P/B7/2qPP1PR/RN1QKB2 w Q - 0 13 ; Best move: d1c2
The current state of the chess board is: Black rook at a8, black bishop at c8, black rook at f8 and black king at g8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at h7. Black knight at c6, black pawn at e6 and black knight at h6. Black bishop at a5 and black pawn at f5. White pawn at a4, white pawn at b4, white pawn at f4 and white pawn at h4. White bishop at a3. Black queen at c2, white pawn at d2, white pawn at e2, white pawn at g2 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 0. Full move number is 13. White to move.