Ivshin Sergei

From Kirov, Russia

EMA: 15990412

Player page

EMA

Rating date May 29, 2020 (latest changes May 27, 2020).

304 place (426.52).

p1 = (711 * 4 * 0.50 + 667 * 2 * 1 + 0 + 0 + 0) / (4 * 0.50 + 2 * 1 + 1 + 1 + 1) = 393.7142857142857

p2 = (711 * 4 * 0.50 + 667 * 2 * 1 + 0 + 0) / (4 * 0.50 + 2 * 1 + 1 + 1) = 459.3333333333333

score = 393.7142857142857 * 0.5 + 459.3333333333333 * 0.5 = 426.5238095238095

Chart scale: normalized original

Rating changes

Show

Date Place Points Reason
2020-05-27 305 -> 304 426.52
2020-05-13 307 -> 305 426.52
2020-05-05 264 -> 307 493.24 -> 426.52

Haru Shanten 2019: 100% -> 50%

2020-05-02 270 -> 264 493.24
2020-04-22 271 -> 270 493.24
2020-04-07 273 -> 271 493.24
2020-04-01 274 -> 273 493.24
2020-03-25 279 -> 274 493.24
2020-03-18 285 -> 279 493.24
2020-03-11 287 -> 285 493.24

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 667 2020-03-08 14/40 100% 2.00 EMA Big open chiitoitsu in a small tenpai
2 711 2019-05-04 25/84 50% 4.00 EMA Haru Shanten 2019