Chavgun Vladimir

From Saint Petersburg, Russia

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Common russian riichi rating (CRR)

Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).

168 place (137.23).

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

p1 = (213.33 * 3.45 * 0.29 + 32.26 * 1.80 * 1 + 615.38 * 1.80 * 0.86 + 0 + 0) / (3.45 * 0.29 + 1.80 * 1 + 1.80 * 0.86 + 1 + 1) = 192.42325721405496

p2 = (615.38 * 1.80 * 0.86 + 213.33 * 3.45 * 0.29 + 32.26 * 1.80 * 1) / max_coefficients = 82.041836121813

score = 192.42325721405496 * 0.5 + 82.041836121813 * 0.5 = 137.23254666793397

Rating changes

Show

all results
Date Place Points Reason
2023-09-03 149 -> 168 140.84 -> 137.23
2023-08-27 140 -> 149 154.90 -> 140.84

Sun tournament: 100% -> 86%
2023-08-26 138 -> 140 154.90
2023-08-20 139 -> 138 154.90
2023-08-12 140 -> 139 152.85 -> 154.90
2023-07-28 140 156.70 -> 152.85

Saint Petersburg Open 2021: 43% -> 29%
2023-07-20 141 -> 140 156.70
2023-06-12 141 154.66 -> 156.70
2023-06-11 126 -> 141 159.28 -> 154.66
2023-05-28 127 -> 126 163.29 -> 159.28

Saint Petersburg Open 2021: 57% -> 43%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 32 2023-02-25 31/32 100% 1.80 CRR Earth cup
2 615 2022-08-27 16/40 86% 1.80 CRR Sun tournament
3 213 2021-11-28 60/76 29% 3.45 RR Saint Petersburg Open 2021