1n3k1r/1r3p1p/3pp2b/pppP2p1/1n2PPP1/P1NQ3N/1BP4P/R2K1Bq1 w - - 5 20
FEN state: 1n3k1r/1r3p1p/3pp2b/pppP2p1/1n2PPP1/P1NQ3N/1BP4P/R2K1Bq1 w - - 5 20 ; Best move: a3b4
The current state of the chess board is: Black knight at b8, black king at f8 and black rook at h8. Black rook at b7, black pawn at f7 and black pawn at h7. Black pawn at d6, black pawn at e6 and black bishop at h6. Black pawn at a5, black pawn at b5, black pawn at c5, white pawn at d5 and black pawn at g5. Black knight at b4, white pawn at e4, white pawn at f4 and white pawn at g4. White pawn at a3, white knight at c3, white queen at d3 and white knight at h3. White bishop at b2, white pawn at c2 and white pawn at h2. White rook at a1, white king at d1, white bishop at f1 and black queen at g1. Both players have exhausted their castles. Half move number is 5. Full move number is 20. White to move.