rn2kb1r/1p6/2pp1ppn/4p3/pP3Pbp/2P3P1/P2PN2P/R1BQKB1R w Kkq - 0 18
FEN state: rn2kb1r/1p6/2pp1ppn/4p3/pP3Pbp/2P3P1/P2PN2P/R1BQKB1R w Kkq - 0 18 ; Best move: f4e5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7. Black pawn at c6, black pawn at d6, black pawn at f6, black pawn at g6 and black knight at h6. Black pawn at e5. Black pawn at a4, white pawn at b4, white pawn at f4, black bishop at g4 and black pawn at h4. White pawn at c3 and white pawn at g3. White pawn at a2, white pawn at d2, white knight at e2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 18. White to move.