1rq2bn1/1b2k3/p1n2ppr/1pNp3p/1P4P1/2P1P2P/P1NP1PB1/R1BQK1R1 w Q - 0 16
FEN state: 1rq2bn1/1b2k3/p1n2ppr/1pNp3p/1P4P1/2P1P2P/P1NP1PB1/R1BQK1R1 w Q - 0 16 ; Best move: g2d5
The current state of the chess board is: Black rook at b8, black queen at c8, black bishop at f8 and black knight at g8. Black bishop at b7 and black king at e7. Black pawn at a6, black knight at c6, black pawn at f6, black pawn at g6 and black rook at h6. Black pawn at b5, white knight at c5, black pawn at d5 and black pawn at h5. White pawn at b4 and white pawn at g4. White pawn at c3, white pawn at e3 and white pawn at h3. White pawn at a2, white knight at c2, white pawn at d2, white pawn at f2 and white bishop at g2. 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 0. Full move number is 16. White to move.