r3kbr1/3b2pp/pn1p1p1B/2pPp3/1PP5/pQ3PPP/N4PB1/R2K2NR b q - 2 22
FEN state: r3kbr1/3b2pp/pn1p1p1B/2pPp3/1PP5/pQ3PPP/N4PB1/R2K2NR b q - 2 22 ; Best move: d7a4
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at g8. Black bishop at d7, black pawn at g7 and black pawn at h7. Black pawn at a6, black knight at b6, black pawn at d6, black pawn at f6 and white bishop at h6. Black pawn at c5, white pawn at d5 and black pawn at e5. White pawn at b4 and white pawn at c4. Black pawn at a3, white queen at b3, white pawn at f3, white pawn at g3 and white pawn at h3. White knight at a2, white pawn at f2 and white bishop at g2. White rook at a1, white king at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 22. Black to move.