rnbqk1nr/ppppp2p/7b/5pp1/1P1P1P1P/7N/P1PQP1PR/RNB1KB2 b Q - 4 7
FEN state: rnbqk1nr/ppppp2p/7b/5pp1/1P1P1P1P/7N/P1PQP1PR/RNB1KB2 b Q - 4 7 ; Best move: g5g4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7, black pawn at e7 and black pawn at h7. Black bishop at h6. Black pawn at f5 and black pawn at g5. White pawn at b4, white pawn at d4, white pawn at f4 and white pawn at h4. White knight at h3. White pawn at a2, white pawn at c2, white queen at d2, white pawn at e2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 4. Full move number is 7. Black to move.