2bq1b1r/rp1kn3/R2p1pp1/1Pp4P/4p2P/3P3R/1PPBPP2/1N1QKBN1 w - - 0 18
FEN state: 2bq1b1r/rp1kn3/R2p1pp1/1Pp4P/4p2P/3P3R/1PPBPP2/1N1QKBN1 w - - 0 18 ; Best move: a6a7
The current state of the chess board is: Black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black rook at a7, black pawn at b7, black king at d7 and black knight at e7. White rook at a6, black pawn at d6, black pawn at f6 and black pawn at g6. White pawn at b5, black pawn at c5 and white pawn at h5. Black pawn at e4 and white pawn at h4. White pawn at d3 and white rook at h3. White pawn at b2, white pawn at c2, white bishop at d2, white pawn at e2 and white pawn at f2. White knight at b1, white queen at d1, white king at e1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. White to move.