Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

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

204 place (87.14).

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

p1 = (548.39 * 1.80 * 0.29 + 43.48 * 1.40 * 0.29 + 136.84 * 3.85 * 1 + 0 + 0) / (1.80 * 0.29 + 1.40 * 0.29 + 3.85 * 1 + 1 + 1) = 122.14823838302603

p2 = (136.84 * 3.85 * 1 + 548.39 * 1.80 * 0.29 + 43.48 * 1.40 * 0.29) / max_coefficients = 52.12870662460568

score = 122.14823838302603 * 0.5 + 52.12870662460568 * 0.5 = 87.13847250381585

Rating changes

Show

Date Place Points Reason
2024-12-22 204 86.28 -> 87.14

Fire cup 2023: 43% -> 29%

2024-11-05 209 -> 204 86.28
2024-11-04 204 -> 209 86.28
2024-11-03 205 -> 204 86.28
2024-11-01 207 -> 205 86.28
2024-10-27 206 -> 207 86.28
2024-10-25 202 -> 206 98.36 -> 86.28

Earth cup: 43% -> 29%

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

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 29% 1.40 CRR Fire cup 2023
3 548 2023-02-25 15/32 29% 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