Bogatov Aleksei

From Samara, Russia

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Internal rating (RR)

Rating date Feb. 9, 2026 (latest changes Feb. 8, 2026).

196 place (155.94).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (556.96 * 3.65 * 0.43 + 238.10 * 2.60 * 0.86 + 157.14 * 3.50 * 1 + 18.18 * 3 * 1 + 0) / (3.65 * 0.43 + 2.60 * 0.86 + 3.50 * 1 + 3 * 1 + 1) = 177.67436918049918

p2 = (556.96 * 3.65 * 0.43 + 157.14 * 3.50 * 1 + 238.10 * 2.60 * 0.86 + 18.18 * 3 * 1) / max_coefficients = 134.21070234113714

score = 177.67436918049918 * 0.5 + 134.21070234113714 * 0.5 = 155.94253576081815

Rating changes

Show

all results
Date Place Points Reason
2026-02-04 191 -> 196 174.02 -> 155.94

Riichi over Volga: 57% -> 43%
2026-01-26 191 177.64 -> 174.02

Riichi On Ice: 100% -> 86%
2026-01-25 183 -> 191 192.36 -> 177.64

Riichi On Ice 2026: 0% -> 100%
2026-01-12 185 -> 183 192.36
2026-01-10 186 -> 185 192.36
2026-01-07 185 -> 186 192.36
2026-01-01 186 -> 185 192.36
2025-12-09 187 -> 186 192.36
2025-12-07 183 -> 187 192.36
2025-12-04 170 -> 183 210.07 -> 192.36

Riichi over Volga: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 18 2026-01-25 55/56 100% 3.00 RR Riichi On Ice 2026 Samara
2 157 2025-05-03 60/71 100% 3.50 RR Riichi over The Volga 2025 Samara
3 238 2025-01-26 33/43 86% 2.60 RR Riichi On Ice Samara
4 557 2024-08-04 36/80 43% 3.65 RR Riichi over Volga Samara