Cika wannan jumla: Har ila yau, an san shi da "Shari'ar Sofia-Corsica", an yi amfani da ma'auni na anti-draw a cikin Bilbao Final Masters da FIDE Grand Prix 2008-2010 (wani ɓangare na Dokar Sofia-Corsica).
Gasar Chess ta Duniya ta 2012) ba ta ba 'yan wasa damar bayar da zane ba. Dole ne a yi da'awar tare da, wanda wani babban mashahuri mai kwarewa ya taimaka. Wadannan zane-zane ne kawai aka yarda ta hanyar Babban Arbiter: