Grishhenko Sergei

From Korolyov, Russia

Player page

Internal rating (RR)

Rating date Jan. 29, 2026 (latest changes Jan. 26, 2026).

137 place (311.28).

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

p1 = (66.67 * 2 * 1 + 268.66 * 4.10 * 1 + 333.33 * 2.45 * 1 + 157.89 * 3.90 * 1 + 894.74 * 2.25 * 1) / (2 * 1 + 4.10 * 1 + 2.45 * 1 + 3.90 * 1 + 2.25 * 1) = 318.39727891156457

p2 = (894.74 * 2.25 * 1 + 268.66 * 4.10 * 1 + 333.33 * 2.45 * 1 + 157.89 * 3.90 * 1) / max_coefficients = 304.1545150501673

score = 318.39727891156457 * 0.5 + 304.1545150501673 * 0.5 = 311.2758969808659

Rating changes

Show

all results
Date Place Points Reason
2026-01-26 138 -> 137 311.28
2026-01-25 137 -> 138 311.28
2026-01-14 138 -> 137 311.28
2026-01-12 139 -> 138 311.28
2026-01-07 134 -> 139 311.28
2026-01-01 135 -> 134 311.28
2025-12-09 136 -> 135 311.28
2025-12-07 184 -> 136 188.36 -> 311.28

Winter Hatiko: 0% -> 100%
2025-12-04 185 -> 184 188.36
2025-11-30 186 -> 185 188.36

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 895 2025-12-07 🥉 3/20 100% 2.25 RR Winter Hatiko Korolyov
2 158 2025-11-04 49/58 100% 3.90 RR XI Russian Championship Moscow
3 333 2025-07-13 21/31 100% 2.45 RR Agari Summer Tournament 2025 Moscow
4 269 2025-06-15 50/68 100% 4.10 RR 13 bloody tiles Perm
5 67 2025-06-08 15/16 100% 2.00 RR Random not fault Moscow