Chechin Vadim
From Nizhny Novgorod, Russia
EMA: 15990283
Online rating
Rating date March 25, 2026 (latest changes March 21, 2026).
37 place (475.48).
how we calculated rating score
max_coefficients = (4.45 * 1 + 4.45 * 1 + 2.40 * 1) = 11.3
p1 = (985.92 * 3.05 * 0.71 + 902.44 * 2.40 * 1 + 0 + 0 + 0) / (3.05 * 0.71 + 2.40 * 1 + 1 + 1 + 1) = 569.2042675343713
p2 = (902.44 * 2.40 * 1 + 985.92 * 3.05 * 0.71) / max_coefficients = 381.75044247787605
score = 569.2042675343713 * 0.5 + 381.75044247787605 * 0.5 = 475.4773550061237
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-03-18 | 33 -> 37 | 501.90 -> 475.48 |
Winter online tournament 2025: 86% -> 71% |
| 2026-03-02 | 34 -> 33 | 501.90 | |
| 2026-01-18 | 29 -> 34 | 522.53 -> 501.90 |
Winter online tournament 2025: 100% -> 86% |
| 2026-01-10 | 27 -> 29 | 522.53 | |
| 2025-12-28 | 28 -> 27 | 522.53 | |
| 2025-12-16 | 30 -> 28 | 522.53 | |
| 2025-10-31 | 17 -> 30 | 567.35 -> 522.53 | |
| 2025-10-25 | 14 -> 17 | 567.35 | |
| 2025-10-16 | 13 -> 14 | 561.09 -> 567.35 | |
| 2025-09-02 | 15 -> 13 | 561.09 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 902 |
|
5/42 | 100% | 2.40 | ONLINE | Spring online tournament 2025 | Russia | |
| 2 | 986 |
|
🥈 | 2/72 | 71% | 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 |