Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 5, 2024 (latest changes Jan. 5, 2024).

83 place (342.36).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001

p1 = (354.84 * 1.80 * 1 + 282.05 * 1.80 * 0.57 + 700.93 * 4 * 1 + 0 + 0) / (1.80 * 1 + 1.80 * 0.57 + 4 * 1 + 1 + 1) = 422.78320715136846

p2 = (700.93 * 4 * 1 + 354.84 * 1.80 * 1 + 282.05 * 1.80 * 0.57) / max_coefficients = 261.936642006706

score = 422.78320715136846 * 0.5 + 261.936642006706 * 0.5 = 342.3599245790372

Rating changes

Show

all results
Date Place Points Reason
2024-01-05 84 -> 83 342.36
2024-01-03 85 -> 84 342.36
2023-12-27 85 342.91 -> 342.36

Sun tournament: 71% -> 57%
2023-12-19 86 -> 85 342.91
2023-12-12 91 -> 86 342.91
2023-11-28 96 -> 91 342.91
2023-11-26 92 -> 96 343.86 -> 342.91
2023-11-20 95 -> 92 343.86
2023-11-06 98 -> 95 338.39 -> 343.86
2023-11-05 93 -> 98 338.39

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 57% 1.80 CRR Sun tournament