Khan Dmitrii
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Aug. 5, 2025 (latest changes Aug. 4, 2025).
138 place (353.49).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (570.09 * 4 * 0.14 + 333.33 * 3.05 * 0.86 + 848.10 * 3.65 * 0.86 + 305.26 * 3.85 * 1 + 56.18 * 3.75 * 1) / (4 * 0.14 + 3.05 * 0.86 + 3.65 * 0.86 + 3.85 * 1 + 3.75 * 1) = 376.33577856242954
p2 = (848.10 * 3.65 * 0.86 + 305.26 * 3.85 * 1 + 333.33 * 3.05 * 0.86 + 570.09 * 4 * 0.14) / max_coefficients = 330.64013157894743
score = 376.33577856242954 * 0.5 + 330.64013157894743 * 0.5 = 353.4879550706885
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-08-04 | 129 -> 138 | 374.80 -> 353.49 |
Riichi over Volga: 100% -> 86% |
| 2025-08-03 | 127 -> 129 | 374.80 | |
| 2025-07-30 | 128 -> 127 | 374.80 | |
| 2025-07-26 | 127 -> 128 | 374.80 | |
| 2025-07-19 | 128 -> 127 | 374.80 | |
| 2025-07-14 | 129 -> 128 | 374.80 | |
| 2025-07-13 | 126 -> 129 | 374.80 | |
| 2025-07-12 | 128 -> 126 | 371.47 -> 374.80 | |
| 2025-07-05 | 127 -> 128 | 371.47 | |
| 2025-07-03 | 119 -> 127 | 385.24 -> 371.47 |
SPB Riichi Open 2023: 29% -> 14% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 56 |
|
85/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow |
| 2 | 305 |
|
67/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |
| 3 | 848 |
|
13/80 | 86% | 3.65 | RR | Riichi over Volga | Samara |
| 4 | 333 |
|
35/52 | 86% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow |
| 5 | 570 |
|
47/108 | 14% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |
| 6 | 69 |
|
82/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm |
| 7 | 505 |
|
56/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow |