Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Common russian riichi rating (CRR)

Rating date March 28, 2023 (latest changes March 28, 2023).

71 place (337.43).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985

p1 = (0 * 2.80 * 1 + 253.33 * 3.45 * 0.57 + 426.67 * 4.20 * 1 + 603.60 * 4.05 * 1 + 0) / (2.80 * 1 + 3.45 * 0.57 + 4.20 * 1 + 4.05 * 1 + 1) = 337.7703826955075

p2 = (603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 253.33 * 3.45 * 0.57 + 0 * 2.80 * 1) / max_coefficients = 337.08473755947574

score = 337.7703826955075 * 0.5 + 337.08473755947574 * 0.5 = 337.42756012749163

Rating changes

Show

all results
Date Place Points Reason
2023-03-28 72 -> 71 340.44 -> 337.43

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 72 334.49 -> 340.44
2023-02-25 70 -> 72 334.49
2023-01-28 71 -> 70 335.61 -> 334.49

Saint Petersburg Open 2021: 86% -> 71%
2023-01-14 69 -> 71 335.61
2023-01-06 70 -> 69 335.61
2023-01-03 72 -> 70 335.61
2022-12-19 72 333.98 -> 335.61
2022-12-18 64 -> 72 356.62 -> 333.98

Meeting in the billiard room: 0% -> 100%
2022-11-28 65 -> 64 354.63 -> 356.62

Saint Petersburg Open 2021: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 0 2022-12-18 24/24 100% 2.80 CRR Meeting in the billiard room
2 427 2022-11-06 44/76 100% 4.20 RR IX Russian Riichi Championship
3 604 2022-06-12 45/112 100% 4.05 RR Moscow Riichi 2022
4 253 2021-11-28 57/76 57% 3.45 RR Saint Petersburg Open 2021