Zayakin Vladimir
From Perm, Russia
EMA: 15020030
Common russian riichi rating (CRR)
Rating date Nov. 21, 2025 (latest changes Nov. 19, 2025).
268 place (88.34).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (9.35 * 4.60 * 0.43 + 238.81 * 4.10 * 1 + 0 + 0 + 0) / (4.60 * 0.43 + 4.10 * 1 + 1 + 1 + 1) = 109.96234385265599
p2 = (238.81 * 4.10 * 1 + 9.35 * 4.60 * 0.43) / max_coefficients = 66.72441471571906
score = 109.96234385265599 * 0.5 + 66.72441471571906 * 0.5 = 88.34337928418753
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-19 | 269 -> 268 | 88.34 | |
| 2025-11-12 | 270 -> 269 | 85.15 -> 88.34 |
X Russian Championship: 57% -> 43% |
| 2025-11-04 | 264 -> 270 | 86.68 -> 85.15 | |
| 2025-11-01 | 264 | 86.55 -> 86.68 | |
| 2025-10-27 | 265 -> 264 | 86.55 | |
| 2025-10-25 | 266 -> 265 | 86.55 | |
| 2025-10-22 | 267 -> 266 | 86.55 | |
| 2025-10-13 | 267 | 85.49 -> 86.55 | |
| 2025-09-12 | 267 | 82.73 -> 85.49 |
X Russian Championship: 71% -> 57% |
| 2025-09-10 | 268 -> 267 | 82.73 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 239 |
|
52/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 2 | 9 |
|
107/108 | 43% | 4.60 | RR | X Russian Championship | Perm | |
| 3 | 414 |
|
52/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 4 | 707 |
|
23/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 5 | 159 |
|
54/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 6 | 277 |
|
61/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 7 | 462 |
|
50/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 8 | 1000 |
|
🥇 | 1/28 | 0% | 1.70 | RR | Natsu Shanten 2018 | Perm |
| 9 | 1000 |
|
🥇 | 1/72 | 0% | 3.85 | EMA | Haru Shanten 2018 | Perm |
| 10 | 444 |
|
16/28 | 0% | 1.70 | RR | Fuyu Shanten | Perm | |
| 11 | 239 |
|
55/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten | Perm | |
| 12 | 0 |
|
32/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 | Perm | |
| 13 | 963 |
|
🥈 | 2/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 | Perm |
| 14 | 775 |
|
17/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 | Saint Petersburg | |
| 15 | 184 |
|
72/88 | 0% | 3.45 | EMA | V Russian Riichi Championship 2016 | Moscow |