Tkachenko Ivan

From Sarov, Russia

EMA: 15990417

Player page

Internal rating (RR)

Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).

132 place (315.12).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55

p1 = (297.87 * 3.10 * 0.86 + 373.49 * 4.20 * 1 + 600 * 3.20 * 1 + 0 + 0) / (3.10 * 0.86 + 4.20 * 1 + 3.20 * 1 + 1 + 1) = 354.990167545685

p2 = (600 * 3.20 * 1 + 373.49 * 4.20 * 1 + 297.87 * 3.10 * 0.86) / max_coefficients = 275.2488745980707

score = 354.990167545685 * 0.5 + 275.2488745980707 * 0.5 = 315.11952107187784

Rating changes

Show

Date Place Points Reason
2020-02-01 132 315.12

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 600 2019-07-21 15/36 100% 3.20 RR Moscow Open Riichi Marathon 2019
2 373 2019-05-04 53/84 100% 4.20 EMA Haru Shanten 2019
3 298 2019-01-13 34/48 86% 3.10 RR Agari team tournament 2019