r2k4/p1p1nppr/b4N1p/1p2p1q1/P5P1/2PPP2P/2PKBP2/R1B4R b - - 2 21
FEN state: r2k4/p1p1nppr/b4N1p/1p2p1q1/P5P1/2PPP2P/2PKBP2/R1B4R b - - 2 21 ; Best move: g5f6
The current state of the chess board is: Black rook at a8 and black king at d8. Black pawn at a7, black pawn at c7, black knight at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black bishop at a6, white knight at f6 and black pawn at h6. Black pawn at b5, black pawn at e5 and black queen at g5. White pawn at a4 and white pawn at g4. White pawn at c3, white pawn at d3, white pawn at e3 and white pawn at h3. White pawn at c2, white king at d2, white bishop at e2 and white pawn at f2. White rook at a1, white bishop at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 21. Black to move.