2b4r/rp1kn1bp/p2p2p1/4ppP1/1p2PP1R/B2P4/P1P2Q2/RN2K1N1 w Q - 0 16
FEN state: 2b4r/rp1kn1bp/p2p2p1/4ppP1/1p2PP1R/B2P4/P1P2Q2/RN2K1N1 w Q - 0 16 ; Best move: a3b4
The current state of the chess board is: Black bishop at c8 and black rook at h8. Black rook at a7, black pawn at b7, black king at d7, black knight at e7, black bishop at g7 and black pawn at h7. Black pawn at a6, black pawn at d6 and black pawn at g6. Black pawn at e5, black pawn at f5 and white pawn at g5. Black pawn at b4, white pawn at e4, white pawn at f4 and white rook at h4. White bishop at a3 and white pawn at d3. White pawn at a2, white pawn at c2 and white queen at f2. White rook at a1, white knight at b1, white king at e1 and white knight at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 16. White to move.