rn3b1r/p2p1ppp/1p2pk1P/6R1/2BqPP2/PPP3P1/n7/RN2KQ1b b Q - 0 23
FEN state: rn3b1r/p2p1ppp/1p2pk1P/6R1/2BqPP2/PPP3P1/n7/RN2KQ1b b Q - 0 23 ; Best move: d4e4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at b6, black pawn at e6, black king at f6 and white pawn at h6. White rook at g5. White bishop at c4, black queen at d4, white pawn at e4 and white pawn at f4. White pawn at a3, white pawn at b3, white pawn at c3 and white pawn at g3. Black knight at a2. White rook at a1, white knight at b1, white king at e1, white queen at f1 and black bishop at h1. White queenside is the only castle move available. Half move number is 0. Full move number is 23. Black to move.