Rubuta ci gaba don wannan sakin layi - Har ila yau, an san shi da "Sofia-Corsica Rules", an yi amfani da matakan da aka yi a cikin Bilbao Final Masters da FIDE Grand Prix 2008-2010 (wani ɓangare na gasar zakarun duniya na Chess 2012
) bai 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: