Mezue ahịrịokwu na-esonụ: Na British Four Nations Chess League (4NCL), ọ gbara na 2005/06 egwuregwu abụọ maka ndị otu Oxford. Tsai anọghị n'ọrụ kemgbe 2005/06 ruo mgbe ọ gbaara ndị otu mba ụmụnwaanyị Amerịka bọọlụ na
2008 World Mind Sports Games na Beijing, China.