rnqb2r1/pb3k1p/4p2n/2pp1p1P/2PP2pR/Np4Q1/1R2PPP1/4KBN1 b - - 1 20
FEN state: rnqb2r1/pb3k1p/4p2n/2pp1p1P/2PP2pR/Np4Q1/1R2PPP1/4KBN1 b - - 1 20 ; Best move: c8c7
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at c8, black bishop at d8 and black rook at g8. Black pawn at a7, black bishop at b7, black king at f7 and black pawn at h7. Black pawn at e6 and black knight at h6. Black pawn at c5, black pawn at d5, black pawn at f5 and white pawn at h5. White pawn at c4, white pawn at d4, black pawn at g4 and white rook at h4. White knight at a3, black pawn at b3 and white queen at g3. White rook at b2, white pawn at e2, white pawn at f2 and white pawn at g2. White king at e1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. Black to move.