1rb1kb2/1ppp2pr/1Nn5/p3ppPp/5PnP/P1P4N/1B1PP3/R2QKBR1 w Q - 0 16
FEN state: 1rb1kb2/1ppp2pr/1Nn5/p3ppPp/5PnP/P1P4N/1B1PP3/R2QKBR1 w Q - 0 16 ; Best move: b6c8
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8 and black bishop at f8. Black pawn at b7, black pawn at c7, black pawn at d7, black pawn at g7 and black rook at h7. White knight at b6 and black knight at c6. Black pawn at a5, black pawn at e5, black pawn at f5, white pawn at g5 and black pawn at h5. White pawn at f4, black knight at g4 and white pawn at h4. White pawn at a3, white pawn at c3 and white knight at h3. White bishop at b2, white pawn at d2 and white pawn at e2. White rook at a1, white queen at d1, 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 0. Full move number is 16. White to move.