Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

Player page

Common russian riichi rating (CRR)

Rating date Sept. 20, 2023 (latest changes Sept. 20, 2023).

61 place (411.38).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (0 * 2.80 * 1 + 253.33 * 3.45 * 0.29 + 603.60 * 4.05 * 0.71 + 426.67 * 4.20 * 1 + 390.80 * 3.75 * 1 + 420.56 * 4 * 1) / (2.80 * 1 + 3.45 * 0.29 + 4.05 * 0.71 + 4.20 * 1 + 3.75 * 1 + 4 * 1) = 372.31125507150836

p2 = (426.67 * 4.20 * 1 + 603.60 * 4.05 * 0.71 + 420.56 * 4 * 1 + 390.80 * 3.75 * 1) / max_coefficients = 450.4458861349001

score = 372.31125507150836 * 0.5 + 450.4458861349001 * 0.5 = 411.37857060320425

Rating changes

Show

all results
Date Place Points Reason
2023-09-20 63 -> 61 411.38
2023-09-06 65 -> 63 411.38
2023-09-03 64 -> 65 372.09 -> 411.38

SPB Riichi Open 2023: 0% -> 100%
2023-08-19 65 -> 64 372.09
2023-08-12 61 -> 65 381.18 -> 372.09

Moscow Riichi 2022: 86% -> 71%
2023-07-28 63 -> 61 383.77 -> 381.18

Saint Petersburg Open 2021: 43% -> 29%
2023-07-03 64 -> 63 383.77
2023-06-19 67 -> 64 383.77
2023-06-12 65 -> 67 391.94 -> 383.77

Moscow Riichi 2022: 100% -> 86%
2023-06-11 69 -> 65 340.58 -> 391.94

Money can not buy tenpai: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 421 2023-09-03 63/108 100% 4.00 RR SPB Riichi Open 2023
2 391 2023-06-11 54/88 100% 3.75 RR Money can not buy tenpai
3 0 2022-12-18 24/24 100% 2.80 CRR Meeting in the billiard room
4 427 2022-11-06 44/76 100% 4.20 RR IX Russian Riichi Championship
5 604 2022-06-12 45/112 71% 4.05 RR Moscow Riichi 2022
6 253 2021-11-28 57/76 29% 3.45 RR Saint Petersburg Open 2021