1n2kbr1/1bq1pp1p/2P2np1/rp1p1P2/1PPQ3P/p3PN2/P5P1/RNB1KBR1 w Q - 1 13
FEN state: 1n2kbr1/1bq1pp1p/2P2np1/rp1p1P2/1PPQ3P/p3PN2/P5P1/RNB1KBR1 w Q - 1 13 ; Best move: c6b7
The current state of the chess board is: Black knight at b8, black king at e8, black bishop at f8 and black rook at g8. Black bishop at b7, black queen at c7, black pawn at e7, black pawn at f7 and black pawn at h7. White pawn at c6, black knight at f6 and black pawn at g6. Black rook at a5, black pawn at b5, black pawn at d5 and white pawn at f5. White pawn at b4, white pawn at c4, white queen at d4 and white pawn at h4. Black pawn at a3, white pawn at e3 and white knight at f3. White pawn at a2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 13. White to move.