Ivshin Sergei

From Kirov, Russia

EMA: 15990412

Player page

Internal rating (RR)

Rating date May 29, 2020 (latest changes May 28, 2020).

70 place (475.82).

max_coefficients = (4.05 * 1 + 3.85 * 1 + 4.20 * 0.86 + 3.45 * 1) = 14.949819999999999

p1 = (1000 * 1.40 * 0.14 + 434.78 * 2.50 * 0.71 + 710.84 * 4.20 * 0.86 + 259.26 * 2.60 * 1 + 666.67 * 2.90 * 1) / (1.40 * 0.14 + 2.50 * 0.71 + 4.20 * 0.86 + 2.60 * 1 + 2.90 * 1) = 554.1209656104344

p2 = (710.84 * 4.20 * 0.86 + 666.67 * 2.90 * 1 + 434.78 * 2.50 * 0.71 + 259.26 * 2.60 * 1) / max_coefficients = 397.51114060236176

score = 554.1209656104344 * 0.5 + 397.51114060236176 * 0.5 = 475.81605310639804

Chart scale: normalized original

Rating changes

Show

Date Place Points Reason
2020-05-28 70 479.77 -> 475.82

Seven ryanmens: 29% -> 14%

2020-05-09 70 483.01 -> 479.77

Toi-Toi-man Tournament: 86% -> 71%

2020-05-04 67 -> 70 492.60 -> 483.01

Haru Shanten 2019: 100% -> 86%

2020-04-23 68 -> 67 492.60
2020-04-16 69 -> 68 492.60
2020-04-12 70 -> 69 492.60
2020-03-28 70 496.09 -> 492.60

Seven ryanmens: 43% -> 29%

2020-03-23 69 -> 70 496.09
2020-03-18 68 -> 69 496.09
2020-03-09 68 499.16 -> 496.09

Toi-Toi-man Tournament: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 667 2020-03-08 14/40 100% 2.90 EMA Big open chiitoitsu in a small tenpai
2 259 2019-09-08 21/28 100% 2.60 RR And yet the sinner collects tanyao
3 711 2019-05-04 25/84 86% 4.20 EMA Haru Shanten 2019
4 435 2019-03-09 14/24 71% 2.50 RR Toi-Toi-man Tournament
5 1000 2018-07-28 1/24 14% 1.40 RR Seven ryanmens