Oselkov Dmitriy
From Ivanovo, Russia
EMA: 15990455
Internal rating (RR)
Rating date Oct. 12, 2023 (latest changes Oct. 12, 2023).
137 place (65.77).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.57) = 14.26417
p1 = (207.21 * 4.05 * 0.57 + 65.42 * 4 * 1 + 0 + 0 + 0) / (4.05 * 0.57 + 4 * 1 + 1 + 1 + 1) = 79.57660210195863
p2 = (207.21 * 4.05 * 0.57 + 65.42 * 4 * 1) / max_coefficients = 51.96166338455024
score = 79.57660210195863 * 0.5 + 51.96166338455024 * 0.5 = 65.76913274325443
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-10-12 | 136 -> 137 | 72.53 -> 65.77 |
Moscow Riichi 2022: 71% -> 57% |
| 2023-09-28 | 137 -> 136 | 72.53 | |
| 2023-09-03 | 128 -> 137 | 119.14 -> 72.53 |
SPB Riichi Open 2023: 0% -> 100% |
| 2021-02-01 | 209 -> 128 | 145.41 -> 119.14 | |
| 2020-02-01 | 209 | 145.41 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 65 |
|
101/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 207 |
|
89/112 | 57% | 4.05 | RR | Moscow Riichi 2022 |
| 3 | 63 |
|
105/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 4 | 1000 |
|
1/16 | 0% | 1.40 | RR | Ivanovo open riichi tournament 2019 |
| 5 | 57 |
|
34/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |