<prompt> Kaeser akakwanisa kupinda mumakwikwi evarume emamita mazana maviri ekubhururuka pachipfuva pamitambo yeOlympic yegore ra2012 muLondon, nekutyora rekodhi reSwitzerland rekodhi refu uye kufukidza FINA B-cut ye12: 09 kubva kuEuropean Championships  <response>: muDebrecen, Hungary. Akadenha vamwe vanoshambira vanomwe pakupisa kwechina, kusanganisira vaida menduru yepamusoro Clark Burckle weUnited States naRyo Tateishi weJapan. Kaeser akapedzisa munda kunzvimbo yekupedzisira neanopfuura wechipiri kumashure kweHungary Ákos Molnár muna 2:13.49. Kaeser akakundikana kuenda kumasemifinal, sezvo akaisa makumi maviri nemana pakupedzisira mukutanga kwekutanga. 