Budkovskiy Sergey
From Simferopol, Russia
EMA: 15990209
Common russian riichi rating (CRR)
Rating date Jan. 7, 2025 (latest changes Jan. 5, 2025).
218 place (42.69).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (580.65 * 1.80 * 0.14 + 260.87 * 1.40 * 0.29 + 0 + 0 + 0) / (1.80 * 0.14 + 1.40 * 0.29 + 1 + 1 + 1) = 69.36727551132013
p2 = (580.65 * 1.80 * 0.14 + 260.87 * 1.40 * 0.29) / max_coefficients = 16.005678233438488
score = 69.36727551132013 * 0.5 + 16.005678233438488 * 0.5 = 42.68647687237931
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-01-04 | 217 -> 218 | 42.69 | |
| 2025-01-01 | 218 -> 217 | 42.69 | |
| 2024-12-29 | 217 -> 218 | 42.69 | |
| 2024-12-25 | 213 -> 217 | 64.18 -> 42.69 |
Earth cup: 29% -> 14% |
| 2024-12-22 | 212 -> 213 | 69.67 -> 64.18 |
Fire cup 2023: 43% -> 29% |
| 2024-12-11 | 213 -> 212 | 69.67 | |
| 2024-11-14 | 214 -> 213 | 69.67 | |
| 2024-11-05 | 217 -> 214 | 69.67 | |
| 2024-11-04 | 212 -> 217 | 69.67 | |
| 2024-10-27 | 211 -> 212 | 69.67 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 261 |
|
18/24 | 29% | 1.40 | CRR | Fire cup 2023 |
| 2 | 581 |
|
14/32 | 14% | 1.80 | CRR | Earth cup |
| 3 | 640 |
|
41/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 4 | 450 |
|
62/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 5 | 158 |
|
17/20 | 0% | 2.10 | RR | Nizhny Novgorod riichi mahjong tournament |
| 6 | 435 |
|
14/24 | 0% | 1.40 | EMA | Crimean Riichi Open 2015 |
| 7 | 79 |
|
59/64 | 0% | 3.15 | EMA | Russian Open Riichi Championship 2014 |
| 8 | 413 |
|
38/64 | 0% | 3.15 | RR | "Japanese House" riichi mahjong cup 2014 |
| 9 | 444 |
|
16/28 | 0% | 1.50 | EMA | Crimean Riichi Open 2013 |