1r1k1b1r/pp2pp1p/P7/2pp2pn/1Bq1bP2/2PP3N/PR1QP1PP/5BKR w - - 2 18
FEN state: 1r1k1b1r/pp2pp1p/P7/2pp2pn/1Bq1bP2/2PP3N/PR1QP1PP/5BKR w - - 2 18 ; Best move: b4a5
The current state of the chess board is: Black rook at b8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at e7, black pawn at f7 and black pawn at h7. White pawn at a6. Black pawn at c5, black pawn at d5, black pawn at g5 and black knight at h5. White bishop at b4, black queen at c4, black bishop at e4 and white pawn at f4. White pawn at c3, white pawn at d3 and white knight at h3. White pawn at a2, white rook at b2, white queen at d2, white pawn at e2, white pawn at g2 and white pawn at h2. White bishop at f1, white king at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 18. White to move.