Chechin Vadim
From Nizhny Novgorod, Russia
EMA: 15990283
Online rating
Rating date Nov. 3, 2026 (latest changes Oct. 31, 2026).
64 place (286.83).
how we calculated rating score
max_coefficients = (4.45 * 0.86 + 4.45 * 0.57 + 2.20 * 1) = 8.556825
p1 = (985.92 * 3.05 * 0.29 + 902.44 * 2.40 * 0.43 + 0 + 0 + 0) / (3.05 * 0.29 + 2.40 * 0.43 + 1 + 1 + 1) = 364.7716083081209
p2 = (902.44 * 2.40 * 0.43 + 985.92 * 3.05 * 0.29) / max_coefficients = 208.88472067618537
score = 364.7716083081209 * 0.5 + 208.88472067618537 * 0.5 = 286.8281644921531
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-10-31 | 64 | 279.60 -> 286.83 | |
| 2026-10-27 | 64 | 273.31 -> 279.60 | |
| 2026-10-25 | 64 | 272.40 -> 273.31 | |
| 2026-10-05 | 60 -> 64 | 305.55 -> 272.40 |
Spring online tournament 2025: 57% -> 43% |
| 2026-09-21 | 61 -> 60 | 305.55 | |
| 2026-09-18 | 59 -> 61 | 349.68 -> 305.55 |
Winter online tournament 2025: 43% -> 29% |
| 2026-08-27 | 60 -> 59 | 342.02 -> 349.68 | |
| 2026-08-05 | 57 -> 60 | 369.70 -> 342.02 |
Spring online tournament 2025: 71% -> 57% |
| 2026-07-18 | 47 -> 57 | 407.39 -> 369.70 |
Winter online tournament 2025: 57% -> 43% |
| 2026-07-05 | 48 -> 47 | 407.39 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 902 |
|
5/42 | 43% | 2.40 | ONLINE | Spring online tournament 2025 | Russia | |
| 2 | 986 |
|
🥈 | 2/72 | 29% | 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 |