rnbkB1r1/1q2p2n/8/1p1pbQ1p/1P2N3/2pPP1PN/P4P1P/R1B1K2R b Q - 0 20
FEN state: rnbkB1r1/1q2p2n/8/1p1pbQ1p/1P2N3/2pPP1PN/P4P1P/R1B1K2R b Q - 0 20 ; Best move: c8f5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8, white bishop at e8 and black rook at g8. Black queen at b7, black pawn at e7 and black knight at h7. Black pawn at b5, black pawn at d5, black bishop at e5, white queen at f5 and black pawn at h5. White pawn at b4 and white knight at e4. Black pawn at c3, white pawn at d3, white pawn at e3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, 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.