r1b4r/pn2k1p1/1p2Nn1p/P4p2/2PPPP2/2R5/RP3bP1/2BK1BNq b - - 0 20
FEN state: r1b4r/pn2k1p1/1p2Nn1p/P4p2/2PPPP2/2R5/RP3bP1/2BK1BNq b - - 0 20 ; Best move: c8e6
The current state of the chess board is: Black rook at a8, black bishop at c8 and black rook at h8. Black pawn at a7, black knight at b7, black king at e7 and black pawn at g7. Black pawn at b6, white knight at e6, black knight at f6 and black pawn at h6. White pawn at a5 and black pawn at f5. White pawn at c4, white pawn at d4, white pawn at e4 and white pawn at f4. White rook at c3. White rook at a2, white pawn at b2, black bishop at f2 and white pawn at g2. White bishop at c1, white king at d1, white bishop at f1, white knight at g1 and black queen at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.