Ermolaeva Lada
From Kirov, Russia
Common russian riichi rating (CRR)
Rating date Dec. 29, 2024 (latest changes Dec. 29, 2024).
91 place (410.14).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (183.91 * 3.75 * 0.43 + 616.82 * 4.60 * 1 + 468.09 * 2.80 * 1 + 421.05 * 3.85 * 1 + 0) / (3.75 * 0.43 + 4.60 * 1 + 2.80 * 1 + 3.85 * 1 + 1) = 437.65249237763635
p2 = (616.82 * 4.60 * 1 + 421.05 * 3.85 * 1 + 468.09 * 2.80 * 1 + 183.91 * 3.75 * 0.43) / max_coefficients = 382.6283911671925
score = 437.65249237763635 * 0.5 + 382.6283911671925 * 0.5 = 410.1404417724144
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-12-18 | 92 -> 91 | 410.14 | |
| 2024-12-11 | 92 | 408.53 -> 410.14 |
Money can not buy tenpai: 57% -> 43% |
| 2024-11-05 | 97 -> 92 | 408.53 | |
| 2024-11-04 | 96 -> 97 | 408.53 | |
| 2024-11-03 | 98 -> 96 | 408.53 | |
| 2024-10-27 | 99 -> 98 | 408.53 | |
| 2024-10-13 | 88 -> 99 | 412.55 -> 408.53 | |
| 2024-10-11 | 91 -> 88 | 411.34 -> 412.55 |
Money can not buy tenpai: 71% -> 57% |
| 2024-09-15 | 89 -> 91 | 411.34 | |
| 2024-09-06 | 91 -> 89 | 411.34 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 421 |
|
56/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 2 | 468 |
|
26/48 | 100% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 3 | 617 |
|
42/108 | 100% | 4.60 | RR | X Russian Championship | Perm | |
| 4 | 184 |
|
72/88 | 43% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 5 | 1000 |
|
🥇 | 1/16 | 0% | 1.20 | CRR | Vyatka rooster | Kirov |