1n1k2nr/r1p3bp/1p2bq2/pPPppQp1/3P1pP1/N4B1P/PB2PP1R/R4KN1 w - - 0 20
FEN state: 1n1k2nr/r1p3bp/1p2bq2/pPPppQp1/3P1pP1/N4B1P/PB2PP1R/R4KN1 w - - 0 20 ; Best move: f5f6
The current state of the chess board is: Black knight at b8, black king at d8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at c7, black bishop at g7 and black pawn at h7. Black pawn at b6, black bishop at e6 and black queen at f6. Black pawn at a5, white pawn at b5, white pawn at c5, black pawn at d5, black pawn at e5, white queen at f5 and black pawn at g5. White pawn at d4, black pawn at f4 and white pawn at g4. White knight at a3, white bishop at f3 and white pawn at h3. White pawn at a2, white bishop at b2, white pawn at e2, white pawn at f2 and white rook at h2. White rook at a1, white king at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.