rnqk2r1/pb1Nnpb1/2Q5/1p4p1/1P3p1P/P3P3/2PP2B1/RN2KR2 b Q - 2 20
FEN state: rnqk2r1/pb1Nnpb1/2Q5/1p4p1/1P3p1P/P3P3/2PP2B1/RN2KR2 b Q - 2 20 ; Best move: b7c6
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at c8, black king at d8 and black rook at g8. Black pawn at a7, black bishop at b7, white knight at d7, black knight at e7, black pawn at f7 and black bishop at g7. White queen at c6. Black pawn at b5 and black pawn at g5. White pawn at b4, black pawn at f4 and white pawn at h4. White pawn at a3 and white pawn at e3. White pawn at c2, white pawn at d2 and white bishop at g2. White rook at a1, white knight at b1, white king at e1 and white rook at f1. White queenside is the only castle move available. Half move number is 2. Full move number is 20. Black to move.