1rq3nr/2p1pkB1/nQ6/pp5p/PPP1b2b/R2P2P1/4NPR1/4KB2 b - - 1 21
FEN state: 1rq3nr/2p1pkB1/nQ6/pp5p/PPP1b2b/R2P2P1/4NPR1/4KB2 b - - 1 21 ; Best move: c7b6
The current state of the chess board is: Black rook at b8, black queen at c8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at e7, black king at f7 and white bishop at g7. Black knight at a6 and white queen at b6. Black pawn at a5, black pawn at b5 and black pawn at h5. White pawn at a4, white pawn at b4, white pawn at c4, black bishop at e4 and black bishop at h4. White rook at a3, white pawn at d3 and white pawn at g3. White knight at e2, white pawn at f2 and white rook at g2. White king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.