Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 27, 2023 (latest changes Oct. 27, 2023).

93 place (338.39).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75

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 = 257.9722033898305

score = 418.7980285590386 * 0.5 + 257.9722033898305 * 0.5 = 338.38511597443454

Rating changes

Show

Date Place Points Reason
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
2023-09-03 154 -> 97 124.01 -> 338.14

SPB Riichi Open 2023: 0% -> 100%

2023-08-27 146 -> 154 128.86 -> 124.01

Sun tournament: 100% -> 86%

2023-08-26 144 -> 146 128.86
2023-08-12 145 -> 144 127.15 -> 128.86

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