4k1nr/1b1pnp1p/rp3b1q/1P2p3/1P2P2p/5B2/1P1PKPP1/R1B3NR b k - 0 19
FEN state: 4k1nr/1b1pnp1p/rp3b1q/1P2p3/1P2P2p/5B2/1P1PKPP1/R1B3NR b k - 0 19 ; Best move: a6a1
The current state of the chess board is: Black king at e8, black knight at g8 and black rook at h8. Black bishop at b7, black pawn at d7, black knight at e7, black pawn at f7 and black pawn at h7. Black rook at a6, black pawn at b6, black bishop at f6 and black queen at h6. White pawn at b5 and black pawn at e5. White pawn at b4, white pawn at e4 and black pawn at h4. White bishop at f3. White pawn at b2, white pawn at d2, white king at e2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at c1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 19. Black to move.