Chechin Vadim
From Nizhny Novgorod, Russia
EMA: 15990283
Online rating
Rating date Oct. 31, 2025 (latest changes Oct. 28, 2025).
17 place (567.35).
how we calculated rating score
max_coefficients = (4.45 * 1 + 3.05 * 1 + 2.40 * 1) = 9.9
p1 = (985.92 * 3.05 * 1 + 902.44 * 2.40 * 1 + 0 + 0 + 0) / (3.05 * 1 + 2.40 * 1 + 1 + 1 + 1) = 612.1763313609467
p2 = (985.92 * 3.05 * 1 + 902.44 * 2.40 * 1) / max_coefficients = 522.5141414141414
score = 612.1763313609467 * 0.5 + 522.5141414141414 * 0.5 = 567.345236387544
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-10-25 | 14 -> 17 | 567.35 | |
| 2025-10-16 | 13 -> 14 | 561.09 -> 567.35 | |
| 2025-09-02 | 15 -> 13 | 561.09 | |
| 2025-08-16 | 13 -> 15 | 548.46 -> 561.09 | |
| 2025-07-05 | 11 -> 13 | 548.46 | |
| 2025-07-02 | 13 -> 11 | 548.46 | |
| 2025-06-28 | 14 -> 13 | 548.46 | |
| 2025-06-27 | 7 -> 14 | 606.10 -> 548.46 | |
| 2025-06-22 | 8 -> 7 | 606.10 | |
| 2025-06-16 | 8 | 588.76 -> 606.10 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 902 |
|
5/42 | 100% | 2.40 | ONLINE | Spring online tournament 2025 | Russia | |
| 2 | 986 |
|
🥈 | 2/72 | 100% | 3.05 | ONLINE | Winter online tournament 2025 | Russia |
| 3 | 1000 |
|
🥇 | 1/56 | 0% | 2.80 | ONLINE | Summer Online Tournament | Russia |
| 4 | 398 |
|
51/84 | 0% | 3.20 | ONLINE | Riichi Online Open Team Cup | Russia | |
| 5 | 435 |
|
14/24 | 0% | 2.00 | ONLINE | IORMC Qualifiers 2018 | Russia | |
| 6 | 889 |
|
4/28 | 0% | 1.70 | ONLINE | IORMC Qualifiers 2017 | Russia | |
| 7 | 837 |
|
8/44 | 0% | 1.90 | ONLINE | Summer riichi-blitz 2017 | Russia | |
| 8 | 373 |
|
43/68 | 0% | 2.40 | ONLINE | Autumn riichi-blitz 2016 | Russia |