rnbq1kn1/1pp1p2r/p1P5/3p1pNp/3b1pP1/3P1P2/PP1NP2P/R1B1KBR1 w Q - 1 13
FEN state: rnbq1kn1/1pp1p2r/p1P5/3p1pNp/3b1pP1/3P1P2/PP1NP2P/R1B1KBR1 w Q - 1 13 ; Best move: c6b7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at f8 and black knight at g8. Black pawn at b7, black pawn at c7, black pawn at e7 and black rook at h7. Black pawn at a6 and white pawn at c6. Black pawn at d5, black pawn at f5, white knight at g5 and black pawn at h5. Black bishop at d4, black pawn at f4 and white pawn at g4. White pawn at d3 and white pawn at f3. White pawn at a2, white pawn at b2, white knight at d2, white pawn at e2 and white pawn at h2. White rook at a1, 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.