Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date April 20, 2026 (latest changes April 19, 2026).

186 place (216.49).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (136.84 * 3.85 * 0.43 + 118.64 * 3.25 * 0.71 + 828.57 * 1.90 * 1 + 166.67 * 1.70 * 1 + 0) / (3.85 * 0.43 + 3.25 * 0.71 + 1.90 * 1 + 1.70 * 1 + 1) = 275.19414437353186

p2 = (828.57 * 1.90 * 1 + 166.67 * 1.70 * 1 + 118.64 * 3.25 * 0.71 + 136.84 * 3.85 * 0.43) / max_coefficients = 157.7826086956522

score = 275.19414437353186 * 0.5 + 157.7826086956522 * 0.5 = 216.48837653459202

Rating changes

Show

all results
Date Place Points Reason
2026-04-19 182 -> 186 216.49
2026-04-16 186 -> 182 214.31 -> 216.49

White Wolf Cup: 86% -> 71%
2026-04-13 188 -> 186 214.31
2026-04-11 188 199.06 -> 214.31

Seihoku spring tournament 2026: 0% -> 100%
2026-04-05 182 -> 188 199.06
2026-04-04 184 -> 182 199.06
2026-03-30 185 -> 184 199.06
2026-03-10 187 -> 185 199.06
2026-03-02 188 -> 187 199.06
2026-03-01 189 -> 188 197.90 -> 199.06

SPB Riichi Open 2024: 57% -> 43%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 167 2026-04-11 26/31 100% 1.70 RR Seihoku spring tournament 2026 Saint Petersburg
2 829 2025-04-26 7/36 100% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
3 119 2025-02-16 53/60 71% 3.25 RR White Wolf Cup Saint Petersburg
4 137 2024-09-01 83/96 43% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
5 360 2021-11-28 49/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg