Chechin Vadim
From Nizhny Novgorod, Russia
EMA: 15990283
Online rating
Rating date July 5, 2026 (latest changes July 5, 2026).
47 place (407.39).
how we calculated rating score
max_coefficients = (4.45 * 1 + 4.45 * 0.86 + 2.30 * 1) = 10.564095000000002
p1 = (985.92 * 3.05 * 0.57 + 902.44 * 2.40 * 0.71 + 0 + 0 + 0) / (3.05 * 0.57 + 2.40 * 0.71 + 1 + 1 + 1) = 505.69064392783747
p2 = (985.92 * 3.05 * 0.57 + 902.44 * 2.40 * 0.71) / max_coefficients = 309.09320675363097
score = 505.69064392783747 * 0.5 + 309.09320675363097 * 0.5 = 407.39192534073425
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-07-05 | 48 -> 47 | 407.39 | |
| 2026-07-04 | 47 -> 48 | 407.39 | |
| 2026-06-27 | 49 -> 47 | 398.62 -> 407.39 | |
| 2026-06-16 | 50 -> 49 | 398.62 | |
| 2026-06-05 | 45 -> 50 | 422.42 -> 398.62 |
Spring online tournament 2025: 86% -> 71% |
| 2026-05-18 | 41 -> 45 | 455.47 -> 422.42 |
Winter online tournament 2025: 71% -> 57% |
| 2026-04-05 | 40 -> 41 | 475.48 -> 455.47 |
Spring online tournament 2025: 100% -> 86% |
| 2026-03-28 | 37 -> 40 | 475.48 | |
| 2026-03-18 | 33 -> 37 | 501.90 -> 475.48 |
Winter online tournament 2025: 86% -> 71% |
| 2026-03-02 | 34 -> 33 | 501.90 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 902 |
|
5/42 | 71% | 2.40 | ONLINE | Spring online tournament 2025 | Russia | |
| 2 | 986 |
|
🥈 | 2/72 | 57% | 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 |