Lavreniuk Irina

From Moscow, Russia

EMA: 15990327

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Common russian riichi rating (CRR)

Rating date Aug. 12, 2023 (latest changes Aug. 12, 2023).

65 place (372.09).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999

p1 = (253.33 * 3.45 * 0.29 + 603.60 * 4.05 * 0.71 + 426.67 * 4.20 * 1 + 0 * 2.80 * 1 + 390.80 * 3.75 * 1) / (3.45 * 0.29 + 4.05 * 0.71 + 4.20 * 1 + 2.80 * 1 + 3.75 * 1) = 359.11824661040237

p2 = (426.67 * 4.20 * 1 + 603.60 * 4.05 * 0.71 + 390.80 * 3.75 * 1 + 253.33 * 3.45 * 0.29) / max_coefficients = 385.06360260985286

score = 359.11824661040237 * 0.5 + 385.06360260985286 * 0.5 = 372.0909246101276

Rating changes

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all results
Date Place Points Reason
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%
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

Tournaments

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