Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).

97 place (338.14).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (354.84 * 1.80 * 1 + 282.05 * 1.80 * 0.86 + 700.93 * 4 * 1 + 0 + 0) / (1.80 * 1 + 1.80 * 0.86 + 4 * 1 + 1 + 1) = 415.0359957100562

p2 = (700.93 * 4 * 1 + 354.84 * 1.80 * 1 + 282.05 * 1.80 * 0.86) / max_coefficients = 261.2418113288394

score = 415.0359957100562 * 0.5 + 261.2418113288394 * 0.5 = 338.1389035194478

Rating changes

Show

all results
Date Place Points Reason
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
2023-07-28 146 -> 145 127.15
2023-07-20 147 -> 146 127.15
2023-07-06 148 -> 147 127.15
2023-07-03 149 -> 148 127.15
2023-06-12 149 125.58 -> 127.15
2023-06-11 134 -> 149 129.15 -> 125.58

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 86% 1.80 CRR Sun tournament