Guipeng YU

From Moscow, Russia

EMA: 15990509

Player page

Internal rating (RR)

Rating date Sept. 2, 2026 (latest changes Sept. 2, 2026).

215 place (173.70).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (122.81 * 3.90 * 1 + 629.63 * 2.45 * 1 + 0 + 0 + 0) / (3.90 * 1 + 2.45 * 1 + 1 + 1 + 1) = 216.20748663101605

p2 = (629.63 * 2.45 * 1 + 122.81 * 3.90 * 1) / max_coefficients = 131.1836469824789

score = 216.20748663101605 * 0.5 + 131.1836469824789 * 0.5 = 173.69556680674748

Rating changes

Show

all results
Date Place Points Reason
2026-09-01 217 -> 215 173.70
2026-08-31 217 173.48 -> 173.70
2026-08-27 218 -> 217 173.48
2026-08-26 220 -> 218 173.48
2026-08-16 217 -> 220 173.48
2026-08-15 217 173.00 -> 173.48
2026-08-04 223 -> 217 173.00
2026-08-02 222 -> 223 173.00
2026-07-26 223 -> 222 173.00
2026-07-25 219 -> 223 173.00

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 630 2026-05-17 11/28 100% 2.45 RR Hatiko under the sakura Korolyov
2 123 2025-11-04 51/58 100% 3.90 RR XI Russian Championship Moscow
3 636 2023-09-03 40/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg