r3kb1r/3np1P1/5p1n/p1pb3P/1pP4R/1P1PpP2/P2QK1B1/RN2B1N1 b kq - 2 21
FEN state: r3kb1r/3np1P1/5p1n/p1pb3P/1pP4R/1P1PpP2/P2QK1B1/RN2B1N1 b kq - 2 21 ; Best move: f8g7
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at h8. Black knight at d7, black pawn at e7 and white pawn at g7. Black pawn at f6 and black knight at h6. Black pawn at a5, black pawn at c5, black bishop at d5 and white pawn at h5. Black pawn at b4, white pawn at c4 and white rook at h4. White pawn at b3, white pawn at d3, black pawn at e3 and white pawn at f3. White pawn at a2, white queen at d2, white king at e2 and white bishop at g2. White rook at a1, white knight at b1, white bishop at e1 and white knight at g1. Black kingside and black queenside castles are available. Half move number is 2. Full move number is 21. Black to move.