Zayakin Vladimir
From Perm, Russia
EMA: 15020030
Internal rating (RR)
Rating date June 15, 2025 (latest changes June 15, 2025).
196 place (78.47).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (9.35 * 4.60 * 0.86 + 238.81 * 4.10 * 1 + 0 + 0 + 0) / (4.60 * 0.86 + 4.10 * 1 + 1 + 1 + 1) = 92.00228930348304
p2 = (238.81 * 4.10 * 1 + 9.35 * 4.60 * 0.86) / max_coefficients = 64.94739385756642
score = 92.00228930348304 * 0.5 + 64.94739385756642 * 0.5 = 78.47484158052472
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-06-15 | 203 -> 196 | 25.80 -> 78.47 |
13 bloody tiles: 0% -> 100% |
| 2025-05-12 | 203 | 24.62 -> 25.80 |
X Russian Championship: 100% -> 86% |
| 2025-05-03 | 196 -> 203 | 24.62 | |
| 2025-04-27 | 195 -> 196 | 24.62 | |
| 2025-04-26 | 193 -> 195 | 24.62 | |
| 2025-04-11 | 191 -> 193 | 43.38 -> 24.62 |
Money can not buy tenpai: 29% -> 14% |
| 2025-03-02 | 188 -> 191 | 43.38 | |
| 2025-02-16 | 180 -> 188 | 43.38 | |
| 2025-02-11 | 177 -> 180 | 60.79 -> 43.38 |
Money can not buy tenpai: 43% -> 29% |
| 2025-02-02 | 171 -> 177 | 60.79 |
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 | 86% | 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 |