2b1kb1r/pr2p3/nP3npp/1N1p1P1P/2BP4/P7/3N1RP1/R1BQ2K1 b k - 0 19
FEN state: 2b1kb1r/pr2p3/nP3npp/1N1p1P1P/2BP4/P7/3N1RP1/R1BQ2K1 b k - 0 19 ; Best move: b7b6
The current state of the chess board is: Black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black rook at b7 and black pawn at e7. Black knight at a6, white pawn at b6, black knight at f6, black pawn at g6 and black pawn at h6. White knight at b5, black pawn at d5, white pawn at f5 and white pawn at h5. White bishop at c4 and white pawn at d4. White pawn at a3. White knight at d2, white rook at f2 and white pawn at g2. White rook at a1, white bishop at c1, white queen at d1 and white king at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 19. Black to move.