1nb2kr1/1B2p1b1/r4pPp/p2pn3/Pq5P/B1PNP1P1/3P1K2/RN1Q1R2 b - - 4 21
FEN state: 1nb2kr1/1B2p1b1/r4pPp/p2pn3/Pq5P/B1PNP1P1/3P1K2/RN1Q1R2 b - - 4 21 ; Best move: e5d3
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at f8 and black rook at g8. White bishop at b7, black pawn at e7 and black bishop at g7. Black rook at a6, black pawn at f6, white pawn at g6 and black pawn at h6. Black pawn at a5, black pawn at d5 and black knight at e5. White pawn at a4, black queen at b4 and white pawn at h4. White bishop at a3, white pawn at c3, white knight at d3, white pawn at e3 and white pawn at g3. White pawn at d2 and white king at f2. White rook at a1, white knight at b1, white queen at d1 and white rook at f1. Both players have exhausted their castles. Half move number is 4. Full move number is 21. Black to move.