Ryazanov Aleksandr

From Samara, Russia

EMA: 15990057

Player page

Internal rating (RR)

Rating date June 26, 2026 (latest changes June 26, 2026).

203 place (210.18).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (569.62 * 3.65 * 0.14 + 719.10 * 3.75 * 0.29 + 23.81 * 2.60 * 0.57 + 314.29 * 3.50 * 0.86 + 0) / (3.65 * 0.14 + 3.75 * 0.29 + 2.60 * 0.57 + 3.50 * 0.86 + 1) = 289.0067740818964

p2 = (314.29 * 3.50 * 0.86 + 719.10 * 3.75 * 0.29 + 569.62 * 3.65 * 0.14 + 23.81 * 2.60 * 0.57) / max_coefficients = 131.35389437983937

score = 289.0067740818964 * 0.5 + 131.35389437983937 * 0.5 = 210.1803342308679

Rating changes

Show

all results
Date Place Points Reason
2026-06-15 203 207.80 -> 210.18
2026-06-14 181 -> 203 213.38 -> 207.80
2026-06-13 168 -> 181 241.49 -> 213.38

Moscow Riichi 2024: 43% -> 29%
2026-06-09 170 -> 168 241.49
2026-06-04 162 -> 170 259.51 -> 241.49

Riichi over Volga: 29% -> 14%
2026-05-26 168 -> 162 253.00 -> 259.51

Riichi On Ice: 71% -> 57%
2026-05-17 166 -> 168 253.00
2026-05-12 174 -> 166 253.00
2026-05-03 165 -> 174 257.44 -> 253.00

Riichi over The Volga 2025: 100% -> 86%
2026-05-01 169 -> 165 257.44

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 314 2025-05-03 49/71 86% 3.50 RR Riichi over The Volga 2025 Samara
2 24 2025-01-26 42/43 57% 2.60 RR Riichi On Ice Samara
3 719 2024-10-13 26/90 29% 3.75 RR Moscow Riichi 2024 Moscow
4 570 2024-08-04 35/80 14% 3.65 RR Riichi over Volga Samara
5 486 2011-04-23 19/36 0% 0.90 EMA Moscow Riichi 2011 Moscow