1rbq4/pp1kbp2/4pn1r/1Ppp2p1/P1PBPn2/5P1P/R1K3P1/1NQ2BNR b - - 2 20
FEN state: 1rbq4/pp1kbp2/4pn1r/1Ppp2p1/P1PBPn2/5P1P/R1K3P1/1NQ2BNR b - - 2 20 ; Best move: c5d4
The current state of the chess board is: Black rook at b8, black bishop at c8 and black queen at d8. Black pawn at a7, black pawn at b7, black king at d7, black bishop at e7 and black pawn at f7. Black pawn at e6, black knight at f6 and black rook at h6. White pawn at b5, black pawn at c5, black pawn at d5 and black pawn at g5. White pawn at a4, white pawn at c4, white bishop at d4, white pawn at e4 and black knight at f4. White pawn at f3 and white pawn at h3. White rook at a2, white king at c2 and white pawn at g2. White knight at b1, white queen 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 2. Full move number is 20. Black to move.