Chirkova Lyudmila
From Samara, Russia
Common russian riichi rating (CRR)
Rating date July 21, 2026 (latest changes July 18, 2026).
218 place (276.36).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (506.33 * 3.65 * 0.14 + 736.84 * 3.85 * 0.14 + 880.95 * 2.60 * 0.57 + 514.29 * 3.50 * 0.71 + 164.18 * 4.10 * 0.86 + 57.14 * 2.50 * 1 + 160.84 * 4.71 * 1) / (3.65 * 0.14 + 3.85 * 0.14 + 2.60 * 0.57 + 3.50 * 0.71 + 4.10 * 0.86 + 2.50 * 1 + 4.71 * 1) = 300.43563528297284
p2 = (880.95 * 2.60 * 0.57 + 514.29 * 3.50 * 0.71 + 160.84 * 4.71 * 1 + 164.18 * 4.10 * 0.86) / max_coefficients = 252.27830033305275
score = 300.43563528297284 * 0.5 + 252.27830033305275 * 0.5 = 276.35696780801277
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-07-18 | 217 -> 218 | 276.36 | |
| 2026-07-15 | 218 -> 217 | 276.36 | |
| 2026-07-14 | 210 -> 218 | 285.01 -> 276.36 |
Guardian of the Winds: 14% -> 0% |
| 2026-07-12 | 207 -> 210 | 285.01 | |
| 2026-07-11 | 206 -> 207 | 285.01 | |
| 2026-07-03 | 194 -> 206 | 296.20 -> 285.01 |
Riichi over The Volga 2025: 86% -> 71% |
| 2026-07-01 | 189 -> 194 | 310.29 -> 296.20 |
SPB Riichi Open 2024: 29% -> 14% |
| 2026-06-15 | 190 -> 189 | 302.31 -> 310.29 |
13 bloody tiles: 100% -> 86% |
| 2026-06-14 | 151 -> 190 | 342.13 -> 302.31 |
XII Russian Championship: 0% -> 100% |
| 2026-06-13 | 155 -> 151 | 342.13 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 161 |
|
121/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 2 | 57 |
|
34/36 | 100% | 2.50 | RR | One tsumo until spring | Yekaterinburg | |
| 3 | 164 |
|
57/68 | 86% | 4.10 | RR | 13 bloody tiles | Perm | |
| 4 | 514 |
|
35/71 | 71% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 5 | 881 |
|
6/43 | 57% | 2.60 | RR | Riichi On Ice | Samara | |
| 6 | 737 |
|
26/96 | 14% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 7 | 506 |
|
40/80 | 14% | 3.65 | RR | Riichi over Volga | Samara | |
| 8 | 1000 |
|
🥇 | 1/48 | 0% | 2.80 | RR | Guardian of the Winds | Yekaterinburg |
| 9 | 373 |
|
33/52 | 0% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 10 | 439 |
|
61/108 | 0% | 4.60 | RR | X Russian Championship | Perm | |
| 11 | 458 |
|
59/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 12 | 713 |
|
26/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 13 | 267 |
|
56/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |