1nb1k2r/rp2pn2/p5pb/2N1p2p/2P2pP1/P2P3P/1P1QKPB1/3R2NR b - - 1 21
FEN state: 1nb1k2r/rp2pn2/p5pb/2N1p2p/2P2pP1/P2P3P/1P1QKPB1/3R2NR b - - 1 21 ; Best move: f4f3
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at e7 and black knight at f7. Black pawn at a6, black pawn at g6 and black bishop at h6. White knight at c5, black pawn at e5 and black pawn at h5. White pawn at c4, black pawn at f4 and white pawn at g4. White pawn at a3, white pawn at d3 and white pawn at h3. White pawn at b2, white queen at d2, white king at e2, white pawn at f2 and white bishop at g2. White rook at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.