r1br4/p1ppk2p/1p5n/1Pb1ppp1/3n2R1/P1P1PB1N/1B4Q1/RN2K3 b Q - 1 22
FEN state: r1br4/p1ppk2p/1p5n/1Pb1ppp1/3n2R1/P1P1PB1N/1B4Q1/RN2K3 b Q - 1 22 ; Best move: d4f3
The current state of the chess board is: Black rook at a8, black bishop at c8 and black rook at d8. Black pawn at a7, black pawn at c7, black pawn at d7, black king at e7 and black pawn at h7. Black pawn at b6 and black knight at h6. White pawn at b5, black bishop at c5, black pawn at e5, black pawn at f5 and black pawn at g5. Black knight at d4 and white rook at g4. White pawn at a3, white pawn at c3, white pawn at e3, white bishop at f3 and white knight at h3. White bishop at b2 and white queen at g2. White rook at a1, white knight at b1 and white king at e1. White queenside is the only castle move available. Half move number is 1. Full move number is 22. Black to move.