Chirkova Lyudmila
From Samara, Russia
Common russian riichi rating (CRR)
Rating date Dec. 19, 2023 (latest changes Dec. 19, 2023).
69 place (396.38).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001
p1 = (266.67 * 4.20 * 0.86 + 457.94 * 4 * 1 + 712.64 * 3.75 * 1 + 0 + 0) / (4.20 * 0.86 + 4 * 1 + 3.75 * 1 + 1 + 1) = 409.30439511543966
p2 = (712.64 * 3.75 * 1 + 457.94 * 4 * 1 + 266.67 * 4.20 * 0.86) / max_coefficients = 383.45326467281683
score = 409.30439511543966 * 0.5 + 383.45326467281683 * 0.5 = 396.3788298941282
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-12-19 | 71 -> 69 | 396.38 | |
2023-12-12 | 72 -> 71 | 396.38 | |
2023-11-28 | 73 -> 72 | 396.38 | |
2023-11-26 | 66 -> 73 | 397.73 -> 396.38 | |
2023-11-20 | 65 -> 66 | 397.73 | |
2023-11-06 | 69 -> 65 | 392.23 -> 397.73 |
IX Russian Riichi Championship: 100% -> 86% |
2023-11-05 | 64 -> 69 | 392.23 | |
2023-10-22 | 63 -> 64 | 392.23 | |
2023-10-19 | 64 -> 63 | 392.23 | |
2023-10-12 | 65 -> 64 | 391.04 -> 392.23 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 458 |
|
59/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 713 |
|
26/88 | 100% | 3.75 | RR | Money can not buy tenpai |
3 | 267 |
|
56/76 | 86% | 4.20 | RR | IX Russian Riichi Championship |