Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Common russian riichi rating (CRR)

Rating date June 11, 2023 (latest changes June 11, 2023).

96 place (299.74).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.75 * 1 + 2.80 * 1) = 14.8

p1 = (733.33 * 3.45 * 0.43 + 189.19 * 4.05 * 1 + 493.33 * 4.20 * 1 + 0 + 0) / (3.45 * 0.43 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 334.44371782989884

p2 = (493.33 * 4.20 * 1 + 733.33 * 3.45 * 0.43 + 189.19 * 4.05 * 1) / max_coefficients = 265.0391891891892

score = 334.44371782989884 * 0.5 + 265.0391891891892 * 0.5 = 299.74145350954404

Rating changes

Show

all results
Date Place Points Reason
2023-06-11 79 -> 96 311.97 -> 299.74
2023-05-28 74 -> 79 333.34 -> 311.97

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 75 -> 74 327.71 -> 333.34
2023-05-01 74 -> 75 327.71
2023-04-19 75 -> 74 327.71
2023-03-28 70 -> 75 348.00 -> 327.71

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 70 342.32 -> 348.00
2023-03-06 71 -> 70 342.32
2023-02-25 69 -> 71 342.32
2023-01-28 66 -> 69 359.76 -> 342.32

Saint Petersburg Open 2021: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 493 2022-11-06 39/76 100% 4.20 RR IX Russian Riichi Championship
2 189 2022-06-12 91/112 100% 4.05 RR Moscow Riichi 2022
3 733 2021-11-28 21/76 43% 3.45 RR Saint Petersburg Open 2021