topic filtering ... and suddenly they noticed a sudden raise in quality in the forum. Anyway, the same effect could be obtained by writing a "captcha" that sim

topic filtering ... and suddenly they noticed a sudden raise in quality in the forum. Anyway, the same effect could be obtained by writing a "captcha" that simply asks: "Click on the queen", a fixed chess board picture. They are assuming no one targets them, so it's not so important how hard it is. (until someone targets them)