Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Internal rating (RR)

Rating date June 17, 2026 (latest changes June 16, 2026).

151 place (309.43).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (947.37 * 3.85 * 0.29 + 617.98 * 3.75 * 0.29 + 509.80 * 3.05 * 0.57 + 220 * 3.10 * 1 + 0) / (3.85 * 0.29 + 3.75 * 0.29 + 3.05 * 0.57 + 3.10 * 1 + 1) = 408.6065916404732

p2 = (947.37 * 3.85 * 0.29 + 509.80 * 3.05 * 0.57 + 220 * 3.10 * 1 + 617.98 * 3.75 * 0.29) / max_coefficients = 210.25984791426288

score = 408.6065916404732 * 0.5 + 210.25984791426288 * 0.5 = 309.43321977736804

Rating changes

Show

all results
Date Place Points Reason
2026-06-15 151 305.62 -> 309.43
2026-06-14 129 -> 151 314.56 -> 305.62
2026-06-13 124 -> 129 332.27 -> 314.56

Moscow Riichi 2024: 43% -> 29%
2026-06-09 106 -> 124 361.08 -> 332.27

Agari Summer Tournament 2024: 14% -> 0%
2026-06-04 109 -> 106 361.08
2026-06-02 108 -> 109 369.35 -> 361.08

Agari Winter Tournament 2025: 71% -> 57%
2026-05-17 107 -> 108 369.35
2026-05-14 108 -> 107 369.35
2026-05-12 112 -> 108 370.21 -> 369.35

X Russian Championship: 14% -> 0%
2026-05-03 110 -> 112 369.35 -> 370.21

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 220 2026-04-05 40/51 100% 3.10 RR Moscow Riichi 2026 Moscow
2 510 2025-02-02 26/52 57% 3.05 RR Agari Winter Tournament 2025 Moscow
3 618 2024-10-13 35/90 29% 3.75 RR Moscow Riichi 2024 Moscow
4 947 2024-09-01 6/96 29% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
5 510 2024-06-09 26/52 0% 3.05 RR Agari Summer Tournament 2024 Moscow
6 505 2024-05-12 54/108 0% 4.60 RR X Russian Championship Perm
7 869 2023-09-03 15/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
8 701 2023-06-11 27/88 0% 3.75 RR Money can not buy tenpai Perm
9 200 2022-11-06 61/76 0% 4.20 RR IX Russian Riichi Championship Perm
10 937 2022-06-12 8/112 0% 4.05 RR Moscow Riichi 2022 Moscow
11 697 2022-03-20 21/67 0% 3.45 RR Tenpai can't buy happiness Perm
12 106 2021-12-19 43/48 0% 3.10 RR Agari team tournament Moscow
13 707 2021-11-28 23/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
14 323 2020-01-26 22/32 0% 2.70 RR The last chance: back to 2019 Moscow
15 477 2019-12-15 59/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
16 371 2019-07-21 23/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
17 254 2018-12-16 48/64 0% 3.45 EMA White Dragon Tournament Moscow