Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 20, 2023 (latest changes Nov. 20, 2023).

91 place (343.86).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002

p1 = (282.05 * 1.80 * 0.71 + 354.84 * 1.80 * 1 + 700.93 * 4 * 1 + 0 + 0) / (1.80 * 0.71 + 1.80 * 1 + 4 * 1 + 1 + 1) = 418.7980285590386

p2 = (700.93 * 4 * 1 + 354.84 * 1.80 * 1 + 282.05 * 1.80 * 0.71) / max_coefficients = 268.9143748825073

score = 418.7980285590386 * 0.5 + 268.9143748825073 * 0.5 = 343.8562017207729

Rating changes

Show

all results
Date Place Points Reason
2023-11-20 94 -> 91 343.86
2023-11-06 97 -> 94 338.39 -> 343.86
2023-11-05 92 -> 97 338.39
2023-11-03 93 -> 92 338.39
2023-10-27 95 -> 93 338.96 -> 338.39

Sun tournament: 86% -> 71%
2023-10-22 92 -> 95 338.96
2023-10-19 94 -> 92 338.96
2023-10-12 95 -> 94 338.14 -> 338.96
2023-09-28 96 -> 95 338.14
2023-09-05 97 -> 96 338.14

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 701 2023-09-03 33/108 100% 4.00 RR SPB Riichi Open 2023
2 355 2023-02-25 21/32 100% 1.80 CRR Earth cup
3 282 2022-08-27 29/40 71% 1.80 CRR Sun tournament