Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Common russian riichi rating (CRR)

Rating date Oct. 11, 2024 (latest changes Oct. 11, 2024).

21 place (660.19).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (652.17 * 2.80 * 0.29 + 200 * 4.20 * 0.14 + 701.15 * 3.75 * 0.57 + 869.16 * 4 * 0.86 + 504.67 * 4.60 * 1 + 225.81 * 1.80 * 1 + 509.80 * 3.05 * 1 + 947.37 * 3.85 * 1) / (2.80 * 0.29 + 4.20 * 0.14 + 3.75 * 0.57 + 4 * 0.86 + 4.60 * 1 + 1.80 * 1 + 3.05 * 1 + 3.85 * 1) = 643.9738171571715

p2 = (947.37 * 3.85 * 1 + 869.16 * 4 * 0.86 + 504.67 * 4.60 * 1 + 509.80 * 3.05 * 1) / max_coefficients = 676.4116071198579

score = 643.9738171571715 * 0.5 + 676.4116071198579 * 0.5 = 660.1927121385147

Rating changes

Show

all results
Date Place Points Reason
2024-10-11 20 -> 21 671.34 -> 660.19

Money can not buy tenpai: 71% -> 57%
2024-09-06 21 -> 20 665.10 -> 671.34

IX Russian Riichi Championship: 29% -> 14%
2024-09-03 20 -> 21 671.22 -> 665.10

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 34 -> 20 588.49 -> 671.22

SPB Riichi Open 2024: 0% -> 100%
2024-08-26 35 -> 34 588.49
2024-08-18 35 589.34 -> 588.49

Meeting in the billiard room: 43% -> 29%
2024-08-11 35 600.05 -> 589.34

Money can not buy tenpai: 86% -> 71%
2024-08-04 27 -> 35 612.58 -> 600.05
2024-07-14 26 -> 27 612.58
2024-07-06 29 -> 26 606.80 -> 612.58

IX Russian Riichi Championship: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 947 2024-09-01 6/96 100% 3.85 RR SPB Riichi Open 2024
2 510 2024-06-09 26/52 100% 3.05 RR Agari Summer Tournament 2024
3 226 2024-05-19 25/32 100% 1.80 CRR "Green Dragon" in the Secret Chamber
4 505 2024-05-12 54/108 100% 4.60 RR X Russian Championship
5 869 2023-09-03 15/108 86% 4.00 RR SPB Riichi Open 2023
6 701 2023-06-11 27/88 57% 3.75 RR Money can not buy tenpai
7 652 2022-12-18 9/24 29% 2.80 CRR Meeting in the billiard room
8 200 2022-11-06 61/76 14% 4.20 RR IX Russian Riichi Championship
9 937 2022-06-12 8/112 0% 4.05 RR Moscow Riichi 2022
10 701 2022-03-20 21/68 0% 3.50 RR Tenpai can't buy happiness
11 106 2021-12-19 43/48 0% 3.10 RR Agari team tournament
12 707 2021-11-28 23/76 0% 3.45 RR Saint Petersburg Open 2021
13 323 2020-01-26 22/32 0% 2.70 RR The last chance: back to 2019
14 477 2019-12-15 59/112 0% 4.05 EMA VIII Russian Riichi Championship
15 371 2019-07-21 23/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
16 254 2018-12-16 48/64 0% 3.45 EMA White Dragon Tournament