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Rapid:
Individual Calculations August 2021 |
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| Valchev, Martin V Total change: 37.20 | |   |
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| Memorial Haralmpi Vanev 2021 Rapid | Plovdiv | BUL | 2021-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1466 | 1182 | 3.00 | 7 | 1.36 | 20 | 27.20 | |
|  Dragiev, Drago | | | 1855 | BUL | 0.00 | 1 | -0.01 | 20 | -0.20 | |  Zhelev, Nikolay | | | 1545 | BUL | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Merdzhanov, Vladko | | | 1615 | BUL | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Karov, Aleksandar | | | 1100 | BUL | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Chilikova, Eli | | | 1446 | BUL | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Petrova, Maria | | | 1599 | BUL | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Borisov, Boris | | | 1102 | BUL | 1.00 | 1 | 0.39 | 20 | 7.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Bulgarian Individual Chess Championship Boys 12-2021 Rapid | Asenovgrad | BUL | 2021-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1271 | 1182 | 2.50 | 5 | 0.50 | 20 | 10.00 | |
| | Dimitrov, Martin | | | 1492 | BUL | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Radev, Slavi | | | 1124 | BUL | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Kanev, Kristiyan | | | 1163 | BUL | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Kolev, Nikola T | | | 1132 | BUL | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Popzafirov, Danail | | | 1446 | BUL | 0.00 | 1 | -0.18 | 20 | -3.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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