Chirkova Lyudmila
From Samara, Russia
Internal rating (RR)
Rating date Sept. 4, 2026 (latest changes Sept. 3, 2026).
158 place (285.23).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (880.95 * 2.60 * 0.43 + 514.29 * 3.50 * 0.57 + 164.18 * 4.10 * 0.71 + 57.14 * 2.50 * 1 + 160.84 * 4.71 * 1 + 440.68 * 3.40 * 1) / (2.60 * 0.43 + 3.50 * 0.57 + 4.10 * 0.71 + 2.50 * 1 + 4.71 * 1 + 3.40 * 1) = 293.6283131636611
p2 = (440.68 * 3.40 * 1 + 514.29 * 3.50 * 0.57 + 880.95 * 2.60 * 0.43 + 160.84 * 4.71 * 1) / max_coefficients = 276.83841661258924
score = 293.6283131636611 * 0.5 + 276.83841661258924 * 0.5 = 285.23336488812515
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-03 | 151 -> 158 | 296.80 -> 285.23 |
Riichi over The Volga 2025: 71% -> 57% |
| 2026-09-01 | 155 -> 151 | 303.58 -> 296.80 |
SPB Riichi Open 2024: 14% -> 0% |
| 2026-08-31 | 155 | 303.11 -> 303.58 | |
| 2026-08-16 | 175 -> 155 | 255.10 -> 303.11 |
Ufa Championship 2026: 0% -> 100% |
| 2026-08-15 | 176 -> 175 | 255.01 -> 255.10 |
13 bloody tiles: 86% -> 71% |
| 2026-08-04 | 177 -> 176 | 258.86 -> 255.01 |
Riichi over Volga: 14% -> 0% |
| 2026-08-03 | 178 -> 177 | 258.86 | |
| 2026-07-26 | 170 -> 178 | 276.36 -> 258.86 |
Riichi On Ice: 57% -> 43% |
| 2026-07-25 | 169 -> 170 | 276.36 | |
| 2026-07-18 | 168 -> 169 | 276.36 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 441 |
|
34/60 | 100% | 3.40 | RR | Ufa Championship 2026 | Ufa | |
| 2 | 161 |
|
121/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 3 | 57 |
|
34/36 | 100% | 2.50 | RR | One tsumo until spring | Yekaterinburg | |
| 4 | 164 |
|
57/68 | 71% | 4.10 | RR | 13 bloody tiles | Perm | |
| 5 | 514 |
|
35/71 | 57% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 6 | 881 |
|
6/43 | 43% | 2.60 | RR | Riichi On Ice | Samara | |
| 7 | 737 |
|
26/96 | 0% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 8 | 506 |
|
40/80 | 0% | 3.65 | RR | Riichi over Volga | Samara | |
| 9 | 1000 |
|
🥇 | 1/48 | 0% | 2.80 | RR | Guardian of the Winds | Yekaterinburg |
| 10 | 373 |
|
33/52 | 0% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 11 | 439 |
|
61/108 | 0% | 4.60 | RR | X Russian Championship | Perm | |
| 12 | 458 |
|
59/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 13 | 713 |
|
26/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 14 | 267 |
|
56/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |