Budkovskiy Sergey
From Simferopol, Russia
EMA: 15990209
Common russian riichi rating (CRR)
Rating date Feb. 25, 2024 (latest changes Feb. 25, 2024).
115 place (237.33).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (639.64 * 4.05 * 0.29 + 580.65 * 1.80 * 0.86 + 260.87 * 1.40 * 1 + 0 + 0) / (4.05 * 0.29 + 1.80 * 0.86 + 1.40 * 1 + 1 + 1) = 328.06463749607576
p2 = (580.65 * 1.80 * 0.86 + 639.64 * 4.05 * 0.29 + 260.87 * 1.40 * 1) / max_coefficients = 146.6037511923024
score = 328.06463749607576 * 0.5 + 146.6037511923024 * 0.5 = 237.3341943441891
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-02-25 | 109 -> 115 | 247.91 -> 237.33 |
Earth cup: 100% -> 86% |
| 2024-02-12 | 101 -> 109 | 274.05 -> 247.91 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 103 -> 101 | 274.05 | |
| 2024-01-09 | 104 -> 103 | 274.05 | |
| 2024-01-06 | 105 -> 104 | 270.16 -> 274.05 | |
| 2024-01-05 | 107 -> 105 | 270.16 | |
| 2023-12-27 | 108 -> 107 | 270.16 | |
| 2023-12-19 | 109 -> 108 | 270.16 | |
| 2023-12-12 | 105 -> 109 | 293.77 -> 270.16 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 111 -> 105 | 293.77 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 261 |
|
18/24 | 100% | 1.40 | CRR | Fire cup 2023 |
| 2 | 581 |
|
14/32 | 86% | 1.80 | CRR | Earth cup |
| 3 | 640 |
|
41/112 | 29% | 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 |