Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Common russian riichi rating (CRR)

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

69 place (340.58).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 2.80 * 1 + 3.50 * 0.71) = 13.55005

p1 = (0 * 2.80 * 1 + 253.33 * 3.45 * 0.43 + 426.67 * 4.20 * 1 + 603.60 * 4.05 * 1 + 0) / (2.80 * 1 + 3.45 * 0.43 + 4.20 * 1 + 4.05 * 1 + 1) = 340.8457741965766

p2 = (603.60 * 4.05 * 1 + 426.67 * 4.20 * 1 + 253.33 * 3.45 * 0.43 + 0 * 2.80 * 1) / max_coefficients = 340.3079693432866

score = 340.8457741965766 * 0.5 + 340.3079693432866 * 0.5 = 340.5768717699316

Rating changes

Show

all results
Date Place Points Reason
2023-05-28 70 -> 69 343.64 -> 340.58

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 71 -> 70 337.43 -> 343.64
2023-05-06 73 -> 71 337.43
2023-05-01 72 -> 73 337.43
2023-04-22 70 -> 72 337.43
2023-04-19 71 -> 70 337.43
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%

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 43% 3.45 RR Saint Petersburg Open 2021