r1b1kbn1/pp1qpp2/3p2pr/3p3p/1n6/2PP1BP1/PP2PP1P/R1BQ1KNR w q - 0 10
FEN state: r1b1kbn1/pp1qpp2/3p2pr/3p3p/1n6/2PP1BP1/PP2PP1P/R1BQ1KNR w q - 0 10 ; Best move: c1h6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at b7, black queen at d7, black pawn at e7 and black pawn at f7. Black pawn at d6, black pawn at g6 and black rook at h6. Black pawn at d5 and black pawn at h5. Black knight at b4. White pawn at c3, white pawn at d3, white bishop at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 10. White to move.