Datkov Sergey

From Yekaterinburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 5, 2025 (latest changes Jan. 5, 2025).

149 place (249.73).

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

p1 = (578.95 * 2.10 * 0.57 + 296.30 * 2.30 * 0.71 + 555.56 * 2.30 * 1 + 0 + 0) / (2.10 * 0.57 + 2.30 * 0.71 + 2.30 * 1 + 1 + 1) = 344.2977083312917

p2 = (555.56 * 2.30 * 1 + 578.95 * 2.10 * 0.57 + 296.30 * 2.30 * 0.71) / max_coefficients = 155.15835962145113

score = 344.2977083312917 * 0.5 + 155.15835962145113 * 0.5 = 249.72803397637142

Rating changes

Show

all results
Date Place Points Reason
2025-01-05 149 251.74 -> 249.73

Finding Dora: 86% -> 71%
2025-01-04 146 -> 149 251.74
2025-01-03 145 -> 146 251.74
2024-12-29 144 -> 145 251.74
2024-12-27 142 -> 144 261.80 -> 251.74

13 tiles until tempai: 71% -> 57%
2024-12-18 143 -> 142 261.80
2024-12-11 144 -> 143 261.80
2024-12-01 143 -> 144 261.80
2024-11-05 146 -> 143 263.75 -> 261.80

Finding Dora: 100% -> 86%
2024-10-27 144 -> 146 273.33 -> 263.75

13 tiles until tempai: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 556 2024-02-25 13/28 100% 2.30 CRR Chasing Kan
2 296 2023-11-05 20/28 71% 2.30 CRR Finding Dora
3 579 2023-08-27 9/20 57% 2.10 CRR 13 tiles until tempai
4 737 2019-03-17 6/20 0% 2.10 RR Spring hope
5 852 2017-06-11 5/28 0% 2.10 RR Tyumen Mahjong Tournament (TMT) 2017
6 581 2017-04-16 14/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017
7 783 2017-01-29 6/24 0% 2.20 RR The first tournament of 2017
8 957 2015-12-05 2/24 0% 1.80 RR 4 riichi mahjong tournament 2015
9 158 2015-09-27 17/20 0% 1.70 RR Plitochka
10 400 2015-08-29 10/16 0% 1.60 RR 3 riichi mahjong tournament 2015
11 1000 2015-02-22 1/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
12 526 2014-10-25 10/20 0% 1.30 RR Autumn riichi mahjong tournament 2014
13 842 2014-06-08 4/20 0% 1.30 RR Chelyabinsk riichi mahjong championship 2017