Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date April 26, 2025 (latest changes April 26, 2025).

244 place (73.95).

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

p1 = (136.84 * 3.85 * 1 + 118.64 * 3.25 * 1 + 0 + 0 + 0) / (3.85 * 1 + 3.25 * 1 + 1 + 1 + 1) = 90.33960396039605

p2 = (136.84 * 3.85 * 1 + 118.64 * 3.25 * 1) / max_coefficients = 57.56656151419559

score = 90.33960396039605 * 0.5 + 57.56656151419559 * 0.5 = 73.95308273729582

Rating changes

Show

all results
Date Place Points Reason
2025-04-22 246 -> 244 78.58 -> 73.95

Fire cup 2023: 14% -> 0%
2025-04-13 243 -> 246 78.58
2025-03-29 237 -> 243 78.58
2025-03-23 225 -> 237 78.58
2025-03-02 224 -> 225 78.58
2025-02-27 225 -> 224 78.58
2025-02-25 224 -> 225 95.57 -> 78.58

Earth cup: 14% -> 0%
2025-02-22 224 94.92 -> 95.57

Fire cup 2023: 29% -> 14%
2025-02-16 223 -> 224 74.27 -> 94.92

White Wolf Cup: 0% -> 100%
2025-02-02 217 -> 223 74.27

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 119 2025-02-16 53/60 100% 3.25 RR White Wolf Cup Saint Petersburg
2 137 2024-09-01 83/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
3 43 2023-04-22 23/24 0% 1.40 CRR Fire cup 2023 Saint Petersburg
4 548 2023-02-25 15/32 0% 1.80 CRR Earth cup Saint Petersburg
5 538 2022-08-27 19/40 0% 1.80 CRR Sun tournament Saint Petersburg
6 360 2021-11-28 49/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg