2r1kb1r/ppp5/2bpp3/q1n2npp/1PPPpPP1/B6P/P1Q1B2N/RN1K3R b k - 6 20
FEN state: 2r1kb1r/ppp5/2bpp3/q1n2npp/1PPPpPP1/B6P/P1Q1B2N/RN1K3R b k - 6 20 ; Best move: f5e3
The current state of the chess board is: Black rook at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7 and black pawn at c7. Black bishop at c6, black pawn at d6 and black pawn at e6. Black queen at a5, black knight at c5, black knight at f5, black pawn at g5 and black pawn at h5. White pawn at b4, white pawn at c4, white pawn at d4, black pawn at e4, white pawn at f4 and white pawn at g4. White bishop at a3 and white pawn at h3. White pawn at a2, white queen at c2, white bishop at e2 and white knight at h2. White rook at a1, white knight at b1, white king at d1 and white rook at h1. Black kingside is the only castle move available. Half move number is 6. Full move number is 20. Black to move.