Tournaments - 2010
Notes
- Tournaments over one year old have 66% the weight.
- Tournaments over two years old have 33% the weight.
- When a tournament is over three years old, it will no longer contribute to the MERS.
Certified Tournaments (MCR)
| Id | Date | Place | Tournament | Weight | Players | Represented countries | Contribute to the Ranking |
| 60 | 17 Jan. 2010 |  Mestre |
MCR Italian Tournament 2010 | 1 | 52 | 4 | 100% |
| 61 | 23 Jan. 2010 |  Aarhus |
MCR Aarhus Open 2010 | 1 | 16 | 2 | 100% |
| 62 | 30 Jan. 2010 |  Dortmund |
Dortmund Mahjong Open 2010 | 1 | 44 | 4 | 100% |
| 63 | 13 Feb. 2010 |  Heemstede |
Valentine Tournament | 1 | 68 | 3 | 100% |
| 64 | 20-21 March 2010 |  Weiz |
Austrian Bamboo Tournament 2010 | 1 | 28 | 4 | 100% |
| 65 | 17-18 April 2010 |  Murcia |
MCR Spanish Open 2010 | 2 | 36 | 4 | 100% |
| 66 | 24-25 April 2010 |  Paris |
Paris Open 2010 - French Championship | 2 | 108 | 10 | 100% |
| 67 | 8-9 May 2010 |  Temse |
MCR Belgian Open 2010 | 2 | 48 | 6 | 100% |
| 68 | 15-16 May 2010 | Copenhagen |
MCR Open Danish Championship 2010 | 2 | 48 | 6 | 100% |
| 69 | 5-6 June 2010 | Utrecht |
Tile Hog 2010 - Dutch Open | 2 | 64 | 6 | 100% |
| 70 | 12 June 2010 | Westerstede |
Rhododendron Mahjong Open 2010 | 1 | 40 | 3 | 100% |
| 71 | 26 June 2010 | Villejuif |
CUP - MCR Villejuif Open | 1 | 52 | 2 | 100% |
| 72 | 24-25 July 2010 |  Dunaújváros |
5th Hungarian Open / Sisi Cup 2010 vol. I | 2 | 52 | 7 | 100% |
| 73 | 31 July - 1st Aug. 2010 | Gurk |
5th Austrian Open / Sisi cup 2010 vol. II | 2 | 44 | 6 | 100% |
| 74 | 27-29 Aug. 2010 | Utrecht |
World Mahjong Championship 2010 | 5 | 208 | 17 | 100% |
Certified Tournaments (RCR)
| Id | Date | Place | Tournament | Weight | Players | Represented countries | Contribute to the Ranking |
| 13 | 27 Feb. 2010 | Nijmegen |
Cherry Blossom Tournament 2010 | 1 | 60 | 8 | 100% |
| 14 | 20 June 2010 | Aarhus |
Riichi Danish Open Championship 2010 | 2 | 16 | 1 | 100% |
| 15 | 26 June 2010 |  Guildford |
Riichi UK Open 2010 | 1 | 48 | 5 | 100% |
| 16 | 10 July 2010 | Hannover |
European Riichi Mahjong Championship 2010 | 5 | 80 | 15 | 100% |
Update : 31/08/2010
