r1b1kb1r/pp2q3/3p1n2/2N1pPpp/5nQ1/1P1P1P1P/2PBPKBR/R5N1 b - - 2 21
FEN state: r1b1kb1r/pp2q3/3p1n2/2N1pPpp/5nQ1/1P1P1P1P/2PBPKBR/R5N1 b - - 2 21 ; Best move: h5g4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7 and black queen at e7. Black pawn at d6 and black knight at f6. White knight at c5, black pawn at e5, white pawn at f5, black pawn at g5 and black pawn at h5. Black knight at f4 and white queen at g4. White pawn at b3, white pawn at d3, white pawn at f3 and white pawn at h3. White pawn at c2, white bishop at d2, white pawn at e2, white king at f2, white bishop at g2 and white rook at h2. White rook at a1 and white knight at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 21. Black to move.