1n4nr/3kNp2/1p6/2b3pp/rp2p3/8/PP1PPPBP/1RB1K1NR b K - 0 20
FEN state: 1n4nr/3kNp2/1p6/2b3pp/rp2p3/8/PP1PPPBP/1RB1K1NR b K - 0 20 ; Best move: g8e7
The current state of the chess board is: Black knight at b8, black knight at g8 and black rook at h8. Black king at d7, white knight at e7 and black pawn at f7. Black pawn at b6. Black bishop at c5, black pawn at g5 and black pawn at h5. Black rook at a4, black pawn at b4 and black pawn at e4. White pawn at a2, white pawn at b2, white pawn at d2, white pawn at e2, white pawn at f2, white bishop at g2 and white pawn at h2. White rook at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 20. Black to move.