1rbk2nr/1p2p1b1/3pnp1p/pqp3p1/1P3P1P/P2PN3/1RPQP1PR/2B1KBN1 w - - 8 18
FEN state: 1rbk2nr/1p2p1b1/3pnp1p/pqp3p1/1P3P1P/P2PN3/1RPQP1PR/2B1KBN1 w - - 8 18 ; Best move: f4f5
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at d8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at e7 and black bishop at g7. Black pawn at d6, black knight at e6, black pawn at f6 and black pawn at h6. Black pawn at a5, black queen at b5, black pawn at c5 and black pawn at g5. White pawn at b4, white pawn at f4 and white pawn at h4. White pawn at a3, white pawn at d3 and white knight at e3. White rook at b2, white pawn at c2, white queen at d2, white pawn at e2, white pawn at g2 and white rook at h2. White bishop at c1, white king at e1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 8. Full move number is 18. White to move.