 Competition terms specifically ruled out any revivalist styles.The Vesnins filed their draft, codenamed "Antenna", in February 1923 along with 46 other entrants.The rationalist arm of modernist architects led by Nikolai Ladovsky boycotted the competition, confident that the old-school commission led by Igor Grabar, Alexey Shchusev and Ivan Zholtovsky was biased against modernist art.