Kosolapov Nikita

From Kirov, Russia

EMA: 15990426

Player page

Internal rating (RR)

Rating date Oct. 19, 2026 (latest changes Oct. 16, 2026).

205 place (183.83).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (641.79 * 4.10 * 0.57 + 162.79 * 3 * 0.71 + 0 + 0 + 0) / (4.10 * 0.57 + 3 * 0.71 + 1 + 1 + 1) = 247.45913509065355

p2 = (641.79 * 4.10 * 0.57 + 162.79 * 3 * 0.71) / max_coefficients = 120.20700843608046

score = 247.45913509065355 * 0.5 + 120.20700843608046 * 0.5 = 183.833071763367

Rating changes

Show

all results
Date Place Points Reason
2026-10-15 195 -> 205 210.35 -> 183.83

13 bloody tiles: 71% -> 57%
2026-10-13 200 -> 195 210.35
2026-10-03 201 -> 200 209.75 -> 210.35

Two roosters and Chuckles: 86% -> 71%
2026-10-02 202 -> 201 209.75
2026-09-06 197 -> 202 209.75
2026-09-02 198 -> 197 209.75
2026-09-01 200 -> 198 209.75
2026-08-31 200 209.51 -> 209.75
2026-08-15 184 -> 200 233.00 -> 209.51

13 bloody tiles: 86% -> 71%
2026-08-13 185 -> 184 233.00

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 163 2025-08-03 37/44 71% 3.00 RR Two roosters and Chuckles Kirov
2 642 2025-06-15 25/68 57% 4.10 RR 13 bloody tiles Perm
3 38 2024-08-04 77/80 0% 3.65 RR Riichi over Volga Samara
4 607 2024-05-12 43/108 0% 4.60 RR X Russian Championship Perm
5 483 2023-06-11 46/88 0% 3.75 RR Money can not buy tenpai Perm
6 836 2021-11-06 10/56 0% 3.30 RR Kirov Tournament Kirov
7 821 2020-03-08 8/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai Kirov
8 153 2019-12-15 95/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
9 825 2019-11-04 12/64 0% 3.85 EMA Aki Shanten 2019 Perm
10 148 2019-09-08 24/28 0% 2.60 RR And yet the sinner collects tanyao Kirov
11 200 2019-07-21 29/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
12 410 2019-05-04 50/84 0% 4.20 EMA Haru Shanten 2019 Perm
13 783 2019-03-09 6/24 0% 2.50 RR Toi-Toi-man Tournament Kirov
14 737 2019-02-10 6/20 0% 2.10 RR Fuyu Shanten 2019 Perm