r1b1kbn1/1pp3r1/pPn1p3/2qPB1p1/2P2Pp1/N6B/P2P2KP/R5NR b - - 2 20
FEN state: r1b1kbn1/1pp3r1/pPn1p3/2qPB1p1/2P2Pp1/N6B/P2P2KP/R5NR b - - 2 20 ; Best move: c6e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at b7, black pawn at c7 and black rook at g7. Black pawn at a6, white pawn at b6, black knight at c6 and black pawn at e6. Black queen at c5, white pawn at d5, white bishop at e5 and black pawn at g5. White pawn at c4, white pawn at f4 and black pawn at g4. White knight at a3 and white bishop at h3. White pawn at a2, white pawn at d2, white king at g2 and white pawn at h2. White rook at a1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. Black to move.