rnq2bnr/2p1p3/p1k2pp1/1p3b1p/P1pPPP2/1P5N/N1P1KQPP/R1B4R w - - 6 18
FEN state: rnq2bnr/2p1p3/p1k2pp1/1p3b1p/P1pPPP2/1P5N/N1P1KQPP/R1B4R w - - 6 18 ; Best move: e4f5
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7 and black pawn at e7. Black pawn at a6, black king at c6, black pawn at f6 and black pawn at g6. Black pawn at b5, black bishop at f5 and black pawn at h5. White pawn at a4, black pawn at c4, white pawn at d4, white pawn at e4 and white pawn at f4. White pawn at b3 and white knight at h3. White knight at a2, white pawn at c2, white king at e2, white queen at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 6. Full move number is 18. White to move.