1r1qkb1r/1b1p3p/ppp2pp1/1PP1p1NQ/8/8/P1NPPP1P/R2K1B1R b k - 2 20
FEN state: 1r1qkb1r/1b1p3p/ppp2pp1/1PP1p1NQ/8/8/P1NPPP1P/R2K1B1R b k - 2 20 ; Best move: g6h5
The current state of the chess board is: Black rook at b8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black bishop at b7, black pawn at d7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at c6, black pawn at f6 and black pawn at g6. White pawn at b5, white pawn at c5, black pawn at e5, white knight at g5 and white queen at h5. White pawn at a2, white knight at c2, white pawn at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white king at d1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 2. Full move number is 20. Black to move.