Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 22, 2024 (latest changes Oct. 22, 2024).

202 place (98.36).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (548.39 * 1.80 * 0.43 + 43.48 * 1.40 * 0.43 + 136.84 * 3.85 * 1 + 0 + 0) / (1.80 * 0.43 + 1.40 * 0.43 + 3.85 * 1 + 1 + 1) = 135.15160243272885

p2 = (136.84 * 3.85 * 1 + 548.39 * 1.80 * 0.43 + 43.48 * 1.40 * 0.43) / max_coefficients = 61.577287066246065

score = 135.15160243272885 * 0.5 + 61.577287066246065 * 0.5 = 98.36444474948746

Rating changes

Show

Date Place Points Reason
2024-10-22 202 97.40 -> 98.36

Fire cup 2023: 57% -> 43%

2024-10-13 188 -> 202 98.05 -> 97.40
2024-09-15 184 -> 188 98.05
2024-09-03 186 -> 184 96.92 -> 98.05
2024-09-01 187 -> 186 65.04 -> 96.92

SPB Riichi Open 2024: 0% -> 100%

2024-08-26 182 -> 187 97.37 -> 65.04
2024-08-25 176 -> 182 114.33 -> 97.37

Earth cup: 57% -> 43%

2024-08-22 180 -> 176 111.41 -> 114.33

Fire cup 2023: 71% -> 57%

2024-08-11 180 111.15 -> 111.41
2024-08-04 177 -> 180 112.13 -> 111.15

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 137 2024-09-01 83/96 100% 3.85 RR SPB Riichi Open 2024
2 43 2023-04-22 23/24 43% 1.40 CRR Fire cup 2023
3 548 2023-02-25 15/32 43% 1.80 CRR Earth cup
4 538 2022-08-27 19/40 0% 1.80 CRR Sun tournament
5 360 2021-11-28 49/76 0% 3.45 RR Saint Petersburg Open 2021