Kosolapov Nikita

From Kirov, Russia

EMA: 15990426

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Common russian riichi rating (CRR)

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

123 place (318.23).

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

p1 = (482.76 * 3.75 * 0.43 + 607.48 * 4.60 * 1 + 37.97 * 3.65 * 1 + 473.68 * 1.50 * 1 + 0) / (3.75 * 0.43 + 4.60 * 1 + 3.65 * 1 + 1.50 * 1 + 1) = 357.6394424325801

p2 = (607.48 * 4.60 * 1 + 482.76 * 3.75 * 0.43 + 473.68 * 1.50 * 1 + 37.97 * 3.65 * 1) / max_coefficients = 278.8290220820189

score = 357.6394424325801 * 0.5 + 278.8290220820189 * 0.5 = 318.2342322572995

Rating changes

Show

all results
Date Place Points Reason
2025-01-04 138 -> 123 273.40 -> 318.23

Dirty Riichi: 0% -> 100%
2024-12-29 137 -> 138 273.40
2024-12-26 138 -> 137 273.40
2024-12-11 137 -> 138 285.23 -> 273.40

Money can not buy tenpai: 57% -> 43%
2024-11-05 140 -> 137 285.23
2024-10-13 132 -> 140 287.82 -> 285.23
2024-10-11 131 -> 132 299.52 -> 287.82

Money can not buy tenpai: 71% -> 57%
2024-09-15 129 -> 131 299.52
2024-09-03 129 294.69 -> 299.52
2024-09-01 120 -> 129 301.55 -> 294.69

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 474 2025-01-04 11/20 100% 1.50 CRR Dirty Riichi
2 38 2024-08-04 77/80 100% 3.65 RR Riichi over Volga
3 607 2024-05-12 43/108 100% 4.60 RR X Russian Championship
4 483 2023-06-11 46/88 43% 3.75 RR Money can not buy tenpai
5 467 2022-08-20 9/16 0% 1.20 CRR I still can declare riichi
6 836 2021-11-06 10/56 0% 3.30 RR Kirov Tournament
7 821 2020-03-08 8/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai
8 153 2019-12-15 95/112 0% 4.05 EMA VIII Russian Riichi Championship
9 825 2019-11-04 12/64 0% 3.85 EMA Aki Shanten 2019
10 148 2019-09-08 24/28 0% 2.60 RR And yet the sinner collects tanyao
11 200 2019-07-21 29/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
12 410 2019-05-04 50/84 0% 4.20 EMA Haru Shanten 2019
13 783 2019-03-09 6/24 0% 2.50 RR Toi-Toi-man Tournament
14 737 2019-02-10 6/20 0% 2.10 RR Fuyu Shanten 2019