rn5r/p3p1kp/q2p1p2/1p1b4/1PN2bP1/B1P3P1/PQ1P4/RN2K2R b Q - 0 20
FEN state: rn5r/p3p1kp/q2p1p2/1p1b4/1PN2bP1/B1P3P1/PQ1P4/RN2K2R b Q - 0 20 ; Best move: f4g3
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at h8. Black pawn at a7, black pawn at e7, black king at g7 and black pawn at h7. Black queen at a6, black pawn at d6 and black pawn at f6. Black pawn at b5 and black bishop at d5. White pawn at b4, white knight at c4, black bishop at f4 and white pawn at g4. White bishop at a3, white pawn at c3 and white pawn at g3. White pawn at a2, white queen at b2 and white pawn at d2. White rook at a1, white knight at b1, white king at e1 and white rook at h1. White queenside is the only castle move available. Half move number is 0. Full move number is 20. Black to move.