r5nr/pbpp2k1/3b3p/4ppp1/1np1PPR1/P2P2PN/3BB3/RN1QK3 b Q - 3 15
FEN state: r5nr/pbpp2k1/3b3p/4ppp1/1np1PPR1/P2P2PN/3BB3/RN1QK3 b Q - 3 15 ; Best move: f5g4
The current state of the chess board is: Black rook at a8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at c7, black pawn at d7 and black king at g7. Black bishop at d6 and black pawn at h6. Black pawn at e5, black pawn at f5 and black pawn at g5. Black knight at b4, black pawn at c4, white pawn at e4, white pawn at f4 and white rook at g4. White pawn at a3, white pawn at d3, white pawn at g3 and white knight at h3. White bishop at d2 and white bishop at e2. White rook at a1, white knight at b1, white queen at d1 and white king at e1. White queenside is the only castle move available. Half move number is 3. Full move number is 15. Black to move.