1nr2k1r/p1p2p1p/7n/1qb1pPp1/3pPP1P/p7/NP1P3K/R1B2BNR w - - 1 20
FEN state: 1nr2k1r/p1p2p1p/7n/1qb1pPp1/3pPP1P/p7/NP1P3K/R1B2BNR w - - 1 20 ; Best move: f1b5
The current state of the chess board is: Black knight at b8, black rook at c8, black king at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at f7 and black pawn at h7. Black knight at h6. Black queen at b5, black bishop at c5, black pawn at e5, white pawn at f5 and black pawn at g5. Black pawn at d4, white pawn at e4, white pawn at f4 and white pawn at h4. Black pawn at a3. White knight at a2, white pawn at b2, white pawn at d2 and white king at h2. White rook at a1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. White to move.