r1b3n1/ppp1k2r/B2ppp1b/6pp/1qP5/1PRQ1P1P/1B2N1P1/1N2K2R b K - 9 21
FEN state: r1b3n1/ppp1k2r/B2ppp1b/6pp/1qP5/1PRQ1P1P/1B2N1P1/1N2K2R b K - 9 21 ; Best move: f6f5
The current state of the chess board is: Black rook at a8, black bishop at c8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at c7, black king at e7 and black rook at h7. White bishop at a6, black pawn at d6, black pawn at e6, black pawn at f6 and black bishop at h6. Black pawn at g5 and black pawn at h5. Black queen at b4 and white pawn at c4. White pawn at b3, white rook at c3, white queen at d3, white pawn at f3 and white pawn at h3. White bishop at b2, white knight at e2 and white pawn at g2. White knight at b1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 9. Full move number is 21. Black to move.