rnb4r/p1kpn1p1/3bPp1p/1pQ1B2q/5PP1/1pN3K1/P1P1P2P/2R2BNR b - - 4 22
FEN state: rnb4r/p1kpn1p1/3bPp1p/1pQ1B2q/5PP1/1pN3K1/P1P1P2P/2R2BNR b - - 4 22 ; Best move: c7d8
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at h8. Black pawn at a7, black king at c7, black pawn at d7, black knight at e7 and black pawn at g7. Black bishop at d6, white pawn at e6, black pawn at f6 and black pawn at h6. Black pawn at b5, white queen at c5, white bishop at e5 and black queen at h5. White pawn at f4 and white pawn at g4. Black pawn at b3, white knight at c3 and white king at g3. White pawn at a2, white pawn at c2, white pawn at e2 and white pawn at h2. White rook at c1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 22. Black to move.