Timofeev Valentin
From Novosibirsk, Russia
EMA: 15020017
Common russian riichi rating (CRR)
Rating date Aug. 9, 2025 (latest changes Aug. 9, 2025).
200 place (235.86).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (74.77 * 4 * 0.14 + 1000 * 2.10 * 0.57 + 371.43 * 1.90 * 1 + 0 + 0) / (4 * 0.14 + 2.10 * 0.57 + 1.90 * 1 + 1 + 1) = 343.5380866572395
p2 = (1000 * 2.10 * 0.57 + 371.43 * 1.90 * 1 + 74.77 * 4 * 0.14) / max_coefficients = 128.18355263157895
score = 343.5380866572395 * 0.5 + 128.18355263157895 * 0.5 = 235.86081964440922
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-08-09 | 201 -> 200 | 235.86 | |
| 2025-08-04 | 204 -> 201 | 235.23 -> 235.86 | |
| 2025-08-03 | 198 -> 204 | 235.23 | |
| 2025-07-30 | 185 -> 198 | 261.50 -> 235.23 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-26 | 183 -> 185 | 261.50 | |
| 2025-07-19 | 184 -> 183 | 261.50 | |
| 2025-07-13 | 182 -> 184 | 261.50 | |
| 2025-07-12 | 182 | 260.13 -> 261.50 | |
| 2025-07-10 | 181 -> 182 | 260.13 | |
| 2025-07-03 | 192 -> 181 | 248.33 -> 260.13 |
SPB Riichi Open 2023: 29% -> 14% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 371 |
|
23/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 2 | 1000 |
|
🥇 | 1/47 | 57% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |
| 3 | 75 |
|
100/108 | 14% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 4 | 217 |
|
19/24 | 0% | 1.40 | CRR | Fire cup 2023 | Saint Petersburg | |
| 5 | 935 |
|
🥉 | 3/32 | 0% | 1.80 | CRR | Earth cup | Saint Petersburg |
| 6 | 30 |
|
66/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 7 | 105 |
|
18/20 | 0% | 2.10 | EMA | Snow Dragon Tournament | Novosibirsk | |
| 8 | 587 |
|
27/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 9 | 819 |
|
16/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 10 | 11 |
|
91/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 11 | 684 |
|
7/20 | 0% | 1.30 | CRR | Awakening of the rising sun dragon | Novosibirsk | |
| 12 | 684 |
|
7/20 | 0% | 2.10 | CRR | Guard of the tenpai | Tyumen | |
| 13 | 226 |
|
25/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules | Novosibirsk | |
| 14 | 478 |
|
13/24 | 0% | 2.20 | EMA | Siberia Cup 2017 | Novosibirsk | |
| 15 | 486 |
|
19/36 | 0% | 2.50 | RR | Quick discard 2017 | Novosibirsk | |
| 16 | 67 |
|
15/16 | 0% | 1.60 | RR | "Legendary player" riichi mahjong tournament 2016 | Tyumen | |
| 17 | 935 |
|
🥉 | 3/32 | 0% | 2.40 | RR | Siberia Cup 2016 | Novosibirsk |
| 18 | 698 |
|
14/44 | 0% | 1.90 | RR | Eighth winter tournament | Novosibirsk | |
| 19 | 429 |
|
21/36 | 0% | 1.70 | RR | Seventh winter tournament | Novosibirsk | |
| 20 | 32 |
|
31/32 | 0% | 2.00 | RR | Riichi tournament 2013 | Novosibirsk |