Guipeng YU
From Moscow, Russia
EMA: 15990509
Common russian riichi rating (CRR)
Rating date May 22, 2026 (latest changes May 19, 2026).
193 place (290.22).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (122.81 * 3.90 * 1 + 686.27 * 2.30 * 1 + 629.63 * 2.45 * 1 + 0 + 0) / (3.90 * 1 + 2.30 * 1 + 2.45 * 1 + 1 + 1) = 338.0253521126761
p2 = (686.27 * 2.30 * 1 + 629.63 * 2.45 * 1 + 122.81 * 3.90 * 1) / max_coefficients = 242.42222222222222
score = 338.0253521126761 * 0.5 + 242.42222222222222 * 0.5 = 290.22378716744913
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-19 | 195 -> 193 | 290.22 | |
| 2026-05-17 | 264 -> 195 | 181.09 -> 290.22 |
Hatiko under the sakura: 0% -> 100% |
| 2026-05-14 | 266 -> 264 | 181.09 | |
| 2026-05-12 | 273 -> 266 | 181.09 | |
| 2026-05-11 | 272 -> 273 | 181.09 | |
| 2026-05-03 | 265 -> 272 | 180.62 -> 181.09 | |
| 2026-05-01 | 264 -> 265 | 180.62 | |
| 2026-04-29 | 265 -> 264 | 180.62 | |
| 2026-04-19 | 255 -> 265 | 180.62 | |
| 2026-04-13 | 257 -> 255 | 180.62 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 630 |
|
11/28 | 100% | 2.45 | RR | Hatiko under the sakura | Korolyov | |
| 2 | 686 |
|
17/52 | 100% | 2.30 | CRR | "Furin" club tournament: for the anniversary | Moscow | |
| 3 | 123 |
|
51/58 | 100% | 3.90 | RR | XI Russian Championship | Moscow | |
| 4 | 636 |
|
40/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |