r2k1b1r/pp1bpp1p/3p3q/2pnn3/3P2PP/6P1/PPP1PN2/R1BQK1R1 w Q - 1 15
FEN state: r2k1b1r/pp1bpp1p/3p3q/2pnn3/3P2PP/6P1/PPP1PN2/R1BQK1R1 w Q - 1 15 ; Best move: c1h6
The current state of the chess board is: Black rook at a8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black bishop at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at d6 and black queen at h6. Black pawn at c5, black knight at d5 and black knight at e5. White pawn at d4, white pawn at g4 and white pawn at h4. White pawn at g3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at e2 and white knight at f2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 15. White to move.