Rogozin Leonid
From Perm, Russia
EMA: 15020051
Internal rating (RR)
Rating date Jan. 26, 2025 (latest changes Jan. 26, 2025).
24 place (646.45).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (942.53 * 3.75 * 0.43 + 803.74 * 4.60 * 1 + 974.68 * 3.65 * 1 + 0 + 0) / (3.75 * 0.43 + 4.60 * 1 + 3.65 * 1 + 1 + 1) = 739.6040397225327
p2 = (803.74 * 4.60 * 1 + 974.68 * 3.65 * 1 + 942.53 * 3.75 * 0.43) / max_coefficients = 553.2914826498422
score = 739.6040397225327 * 0.5 + 553.2914826498422 * 0.5 = 646.4477611861874
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-01-26 | 23 -> 24 | 646.45 | |
| 2025-01-07 | 21 -> 23 | 646.45 | |
| 2025-01-03 | 22 -> 21 | 646.45 | |
| 2024-12-11 | 19 -> 22 | 666.75 -> 646.45 |
Money can not buy tenpai: 57% -> 43% |
| 2024-11-06 | 20 -> 19 | 666.75 | |
| 2024-11-03 | 21 -> 20 | 666.75 | |
| 2024-10-13 | 16 -> 21 | 672.81 -> 666.75 | |
| 2024-10-11 | 14 -> 16 | 693.10 -> 672.81 |
Money can not buy tenpai: 71% -> 57% |
| 2024-09-03 | 15 -> 14 | 681.92 -> 693.10 | |
| 2024-09-01 | 10 -> 15 | 697.80 -> 681.92 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 975 |
|
🥉 | 3/80 | 100% | 3.65 | RR | Riichi over Volga | Samara |
| 2 | 804 |
|
22/108 | 100% | 4.60 | RR | X Russian Championship | Perm | |
| 3 | 943 |
|
6/88 | 43% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 4 | 614 |
|
33/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 5 | 121 |
|
81/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 6 | 362 |
|
31/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 | Moscow | |
| 7 | 630 |
|
11/28 | 0% | 1.70 | RR | Natsu Shanten 2018 | Perm | |
| 8 | 957 |
|
🥈 | 2/24 | 0% | 1.40 | RR | Seven ryanmens | Kirov |
| 9 | 113 |
|
64/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 | Saint Petersburg | |
| 10 | 972 |
|
🥉 | 3/72 | 0% | 3.85 | EMA | Haru Shanten 2018 | Perm |
| 11 | 926 |
|
🥉 | 3/28 | 0% | 1.70 | RR | Fuyu Shanten | Perm |
| 12 | 579 |
|
9/20 | 0% | 2.10 | EMA | Tyumen Riichi Open 2017 | Tyumen | |
| 13 | 408 |
|
43/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten | Perm | |
| 14 | 87 |
|
22/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 | Yekaterinburg | |
| 15 | 1000 |
|
🥇 | 1/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 | Perm |