rn2q2r/4n1b1/bpp2k2/P2ppBpp/5P1P/B2P2P1/P1PQP3/R3KNNR w KQ - 1 18
FEN state: rn2q2r/4n1b1/bpp2k2/P2ppBpp/5P1P/B2P2P1/P1PQP3/R3KNNR w KQ - 1 18 ; Best move: f4e5
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at e8 and black rook at h8. Black knight at e7 and black bishop at g7. Black bishop at a6, black pawn at b6, black pawn at c6 and black king at f6. White pawn at a5, black pawn at d5, black pawn at e5, white bishop at f5, black pawn at g5 and black pawn at h5. White pawn at f4 and white pawn at h4. White bishop at a3, white pawn at d3 and white pawn at g3. White pawn at a2, white pawn at c2, white queen at d2 and white pawn at e2. White rook at a1, white king at e1, white knight at f1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 1. Full move number is 18. White to move.