Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Common russian riichi rating (CRR)

Rating date Sept. 20, 2023 (latest changes Sept. 20, 2023).

8 place (675.56).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (706.67 * 3.45 * 0.29 + 106.38 * 3.10 * 0.29 + 701.49 * 3.50 * 0.43 + 936.94 * 4.05 * 0.71 + 200 * 4.20 * 1 + 652.17 * 2.80 * 1 + 701.15 * 3.75 * 1 + 869.16 * 4 * 1) / (3.45 * 0.29 + 3.10 * 0.29 + 3.50 * 0.43 + 4.05 * 0.71 + 4.20 * 1 + 2.80 * 1 + 3.75 * 1 + 4 * 1) = 634.1185903918037

p2 = (869.16 * 4 * 1 + 936.94 * 4.05 * 0.71 + 701.15 * 3.75 * 1 + 652.17 * 2.80 * 1) / max_coefficients = 717.010102126166

score = 634.1185903918037 * 0.5 + 717.010102126166 * 0.5 = 675.5643462589849

Rating changes

Show

all results
Date Place Points Reason
2023-09-20 8 676.35 -> 675.56

Tenpai can't buy happiness: 57% -> 43%
2023-09-06 9 -> 8 676.35
2023-09-03 12 -> 9 605.22 -> 676.35

SPB Riichi Open 2023: 0% -> 100%
2023-08-19 13 -> 12 599.35 -> 605.22

Agari team tournament: 43% -> 29%
2023-08-12 12 -> 13 611.34 -> 599.35

Moscow Riichi 2022: 86% -> 71%
2023-07-28 11 -> 12 612.96 -> 611.34

Saint Petersburg Open 2021: 43% -> 29%
2023-07-20 11 626.78 -> 612.96

Tenpai can't buy happiness: 71% -> 57%
2023-06-19 12 -> 11 621.44 -> 626.78

Agari team tournament: 57% -> 43%
2023-06-12 10 -> 12 631.81 -> 621.44

Moscow Riichi 2022: 100% -> 86%
2023-06-11 13 -> 10 591.86 -> 631.81

Money can not buy tenpai: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 869 2023-09-03 15/108 100% 4.00 RR SPB Riichi Open 2023
2 701 2023-06-11 27/88 100% 3.75 RR Money can not buy tenpai
3 652 2022-12-18 9/24 100% 2.80 CRR Meeting in the billiard room
4 200 2022-11-06 61/76 100% 4.20 RR IX Russian Riichi Championship
5 937 2022-06-12 8/112 71% 4.05 RR Moscow Riichi 2022
6 701 2022-03-20 21/68 43% 3.50 RR Tenpai can't buy happiness
7 106 2021-12-19 43/48 29% 3.10 RR Agari team tournament
8 707 2021-11-28 23/76 29% 3.45 RR Saint Petersburg Open 2021
9 323 2020-01-26 22/32 0% 2.70 RR The last chance: back to 2019
10 477 2019-12-15 59/112 0% 4.05 EMA VIII Russian Riichi Championship
11 371 2019-07-21 23/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
12 254 2018-12-16 48/64 0% 3.45 EMA White Dragon Tournament