| Twixt World Championship: Silver (2014) |
| Othello Olympiad Championship: Gold (2013) |
| Twixt World Championship: Gold (2013) |
| Twixt World Championship: Silver (2012) |
| Othello Olympiad Championship: Silver (2012) |
| Othello - 10 x 10 World Championship (50 minutes): Silver (2003) |
| Twixt Olympiad Championship: Bronze (2003) |
| Mental Calculations World Championship: Silver (2003) |
| Othello - 10 x 10 Quickplay World Championship (25 minutes): Gold (2003) |
| Othello - 8 x 8 Blitz World Championship (5 minutes): Silver (2003) |
| Lines of Action (LOA) World Championship: Silver (2002) |
| Mental Calculations World Championship: Bronze (2002) |
| Nubble British Championship: Silver (2002) |
| Othello - 8 x 8 Blitz World Championship (5 minutes): Bronze (2002) |
