b1rqkb1r/p1pppp2/1p3P2/1B4p1/2n1PP1p/PQP5/RP1PN1KP/1NB4R b k - 10 19
FEN state: b1rqkb1r/p1pppp2/1p3P2/1B4p1/2n1PP1p/PQP5/RP1PN1KP/1NB4R b k - 10 19 ; Best move: a8e4
The current state of the chess board is: Black bishop at a8, black rook at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, black pawn at e7 and black pawn at f7. Black pawn at b6 and white pawn at f6. White bishop at b5 and black pawn at g5. Black knight at c4, white pawn at e4, white pawn at f4 and black pawn at h4. White pawn at a3, white queen at b3 and white pawn at c3. White rook at a2, white pawn at b2, white pawn at d2, white knight at e2, white king at g2 and white pawn at h2. White knight at b1, white bishop at c1 and white rook at h1. Black kingside is the only castle move available. Half move number is 10. Full move number is 19. Black to move.