Grebnev Grigorii

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Dec. 18, 2023 (latest changes Dec. 18, 2023).

85 place (342.91).

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

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 = 267.0272326246928

score = 418.7980285590386 * 0.5 + 267.0272326246928 * 0.5 = 342.91263059186565

Rating changes

Show

all results
Date Place Points Reason
2023-12-12 90 -> 85 342.91
2023-11-28 94 -> 90 342.91
2023-11-26 90 -> 94 343.86 -> 342.91
2023-11-20 93 -> 90 343.86
2023-11-06 93 343.86

Tournaments

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