Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Internal rating (RR)

Rating date Jan. 6, 2023 (latest changes Jan. 6, 2023).

60 place (358.25).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995

p1 = (253.33 * 3.45 * 0.86 + 603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 0 + 0) / (3.45 * 0.86 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 377.5044966701359

p2 = (603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 253.33 * 3.45 * 0.86) / max_coefficients = 339.00195111237883

score = 377.5044966701359 * 0.5 + 339.00195111237883 * 0.5 = 358.25322389125733

Rating changes

Show

Date Place Points Reason
2022-12-19 60 356.62 -> 358.25
2022-11-28 61 -> 60 354.63 -> 356.62

Saint Petersburg Open 2021: 100% -> 86%

2022-11-06 60 -> 61 274.06 -> 354.63

IX Russian Riichi Championship: 0% -> 100%

2022-10-14 60 274.06

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 427 2022-11-06 44/76 100% 4.20 RR IX Russian Riichi Championship
2 604 2022-06-12 45/112 100% 4.05 RR Moscow Riichi 2022
3 253 2021-11-28 57/76 86% 3.45 RR Saint Petersburg Open 2021