r1kq1bn1/p1p1p3/b3P1p1/1p6/PPPB1p1r/N4N1p/4PPPP/R3KB1R w K - 1 18
FEN state: r1kq1bn1/p1p1p3/b3P1p1/1p6/PPPB1p1r/N4N1p/4PPPP/R3KB1R w K - 1 18 ; Best move: d4c3
The current state of the chess board is: Black rook at a8, black king at c8, black queen at d8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at c7 and black pawn at e7. Black bishop at a6, white pawn at e6 and black pawn at g6. Black pawn at b5. White pawn at a4, white pawn at b4, white pawn at c4, white bishop at d4, black pawn at f4 and black rook at h4. White knight at a3, white knight at f3 and black pawn at h3. White pawn at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 18. White to move.