2r2bnr/p3qpp1/1p1p1k2/1p2p2p/P3P2P/1bP2PP1/2nPQ3/R1BKNB1R b - - 4 21
FEN state: 2r2bnr/p3qpp1/1p1p1k2/1p2p2p/P3P2P/1bP2PP1/2nPQ3/R1BKNB1R b - - 4 21 ; Best move: c2e3
The current state of the chess board is: Black rook at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black queen at e7, black pawn at f7 and black pawn at g7. Black pawn at b6, black pawn at d6 and black king at f6. Black pawn at b5, black pawn at e5 and black pawn at h5. White pawn at a4, white pawn at e4 and white pawn at h4. Black bishop at b3, white pawn at c3, white pawn at f3 and white pawn at g3. Black knight at c2, white pawn at d2 and white queen at e2. White rook at a1, white bishop at c1, white king at d1, white knight at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 21. Black to move.