| Mental Calculations World Championship: Silver (2017) |
| Mental Calculations Olympiad Blitz Championship: Silver (2016) |
| Mental Calculations World Championship: Silver (2016) |
| Mental Calculations World Championship: Gold (2015) |
| Mental Calculations Olympiad Blitz Championship: Gold (2015) |
| Mental Calculations Olympiad Blitz: Gold (2014) |
| Mental Calculations World Championship: Gold (2014) |
| Mental Calculations World Championship: Silver (2013) |
| Mental Calculations World Championship: Gold (2012) |
| Mental Calculations World Championship: Gold (2011) |
| Mental Calculations World Championship: Gold (2010) |
| Mental Calculations World Championship: Gold (2009) |
| Nubble Olympiad Championship: Bronze (2009) |
| Mental Calculations World Championship: Gold (2008) |
| Mental Calculations World Championship: Gold (2007) |
| Mental Calculations World Championship: Gold (2006) |
| Mental Calculations World Championship: Gold (2005) |
| Poker - Seven Card Stud Pot-Limit Championship: Silver (2005) |
| Mental Calculations World Championship: Gold (2004) |
