Chirkova Lyudmila
From Samara, Russia
Common russian riichi rating (CRR)
Rating date Oct. 9, 2026 (latest changes Oct. 8, 2026).
228 place (267.91).
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 * 0.29 + 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 * 0.29 + 3.50 * 0.57 + 4.10 * 0.71 + 2.50 * 1 + 4.71 * 1 + 3.40 * 1) = 280.2255341233989
p2 = (440.68 * 3.40 * 1 + 514.29 * 3.50 * 0.57 + 160.84 * 4.71 * 1 + 880.95 * 2.60 * 0.29) / max_coefficients = 255.59831278390655
score = 280.2255341233989 * 0.5 + 255.59831278390655 * 0.5 = 267.9119234536527
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-10-01 | 229 -> 228 | 267.91 | |
| 2026-09-26 | 215 -> 229 | 285.23 -> 267.91 |
Riichi On Ice: 43% -> 29% |
| 2026-09-13 | 214 -> 215 | 285.23 | |
| 2026-09-07 | 215 -> 214 | 285.23 | |
| 2026-09-06 | 211 -> 215 | 285.23 | |
| 2026-09-03 | 199 -> 211 | 296.80 -> 285.23 |
Riichi over The Volga 2025: 71% -> 57% |
| 2026-09-01 | 196 -> 199 | 303.58 -> 296.80 |
SPB Riichi Open 2024: 14% -> 0% |
| 2026-08-31 | 196 | 303.11 -> 303.58 | |
| 2026-08-30 | 195 -> 196 | 303.11 | |
| 2026-08-16 | 234 -> 195 | 255.10 -> 303.11 |
Ufa Championship 2026: 0% -> 100% |
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 | 29% | 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 |