1rb1kbn1/p2q2p1/n7/1PpppP1r/6Pp/1P1N1B1P/P2P1P2/RNBQK2R b Q - 3 16
FEN state: 1rb1kbn1/p2q2p1/n7/1PpppP1r/6Pp/1P1N1B1P/P2P1P2/RNBQK2R b Q - 3 16 ; Best move: e5e4
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black queen at d7 and black pawn at g7. Black knight at a6. White pawn at b5, black pawn at c5, black pawn at d5, black pawn at e5, white pawn at f5 and black rook at h5. White pawn at g4 and black pawn at h4. White pawn at b3, white knight at d3, white bishop at f3 and white pawn at h3. White pawn at a2, white pawn at d2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1 and white rook at h1. White queenside is the only castle move available. Half move number is 3. Full move number is 16. Black to move.