Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Common russian riichi rating (CRR)

Rating date Feb. 11, 2025 (latest changes Feb. 11, 2025).

37 place (612.54).

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

p1 = (701.15 * 3.75 * 0.29 + 869.16 * 4 * 0.57 + 504.67 * 4.60 * 1 + 225.81 * 1.80 * 1 + 509.80 * 3.05 * 1 + 947.37 * 3.85 * 1 + 617.98 * 3.75 * 1 + 217.39 * 2.80 * 1 + 509.80 * 3.05 * 1) / (3.75 * 0.29 + 4 * 0.57 + 4.60 * 1 + 1.80 * 1 + 3.05 * 1 + 3.85 * 1 + 3.75 * 1 + 2.80 * 1 + 3.05 * 1) = 576.9506959579311

p2 = (947.37 * 3.85 * 1 + 504.67 * 4.60 * 1 + 617.98 * 3.75 * 1 + 869.16 * 4 * 0.57) / max_coefficients = 648.1287066246057

score = 576.9506959579311 * 0.5 + 648.1287066246057 * 0.5 = 612.5397012912683

Rating changes

Show

all results
Date Place Points Reason
2025-02-11 36 -> 37 613.78 -> 612.54

Money can not buy tenpai: 43% -> 29%
2025-02-02 32 -> 36 618.25 -> 613.78

Agari Winter Tournament 2025: 0% -> 100%
2025-01-26 30 -> 32 618.25
2025-01-07 29 -> 30 618.25
2025-01-04 28 -> 29 618.25
2025-01-03 25 -> 28 637.23 -> 618.25

SPB Riichi Open 2023: 71% -> 57%
2024-12-18 24 -> 25 637.69 -> 637.23

Meeting in the billiard room: 14% -> 0%
2024-12-11 25 -> 24 638.81 -> 637.69

Money can not buy tenpai: 57% -> 43%
2024-12-01 21 -> 25 662.55 -> 638.81

Riichi never changing: 0% -> 100%
2024-11-26 20 -> 21 662.55

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 510 2025-02-02 26/52 100% 3.05 RR Agari Winter Tournament 2025
2 217 2024-12-01 19/24 100% 2.80 CRR Riichi never changing
3 618 2024-10-13 35/90 100% 3.75 RR Moscow Riichi 2024
4 947 2024-09-01 6/96 100% 3.85 RR SPB Riichi Open 2024
5 510 2024-06-09 26/52 100% 3.05 RR Agari Summer Tournament 2024
6 226 2024-05-19 25/32 100% 1.80 CRR "Green Dragon" in the Secret Chamber
7 505 2024-05-12 54/108 100% 4.60 RR X Russian Championship
8 869 2023-09-03 15/108 57% 4.00 RR SPB Riichi Open 2023
9 701 2023-06-11 27/88 29% 3.75 RR Money can not buy tenpai
10 652 2022-12-18 9/24 0% 2.80 CRR Meeting in the billiard room
11 200 2022-11-06 61/76 0% 4.20 RR IX Russian Riichi Championship
12 937 2022-06-12 8/112 0% 4.05 RR Moscow Riichi 2022
13 701 2022-03-20 21/68 0% 3.50 RR Tenpai can't buy happiness
14 106 2021-12-19 43/48 0% 3.10 RR Agari team tournament
15 707 2021-11-28 23/76 0% 3.45 RR Saint Petersburg Open 2021
16 323 2020-01-26 22/32 0% 2.70 RR The last chance: back to 2019
17 477 2019-12-15 59/112 0% 4.05 EMA VIII Russian Riichi Championship
18 371 2019-07-21 23/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
19 254 2018-12-16 48/64 0% 3.45 EMA White Dragon Tournament