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Individual Calculations August 2021 |
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| Petkova, Irina Total change: 9.88 | |   |
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| 43rd Open, National individual cup, Tringov Memorial | Plovdiv | BUL | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1595 | 4.50 | 9 | 0.24 | 38 | 9.12 | |
|  Daskalov, Dimitar | | | 1995 * | BUL | 0.00 | 1 | -0.08 | 38 | -3.04 | |  Zangarova, Gabriela | | | 1195 * | BUL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Karaivanova, Petya | | wf | 1910 | BUL | 1.00 | 1 | 0.86 | 38 | 32.68 | | | Stoyanov, Plamen | | | 1990 | BUL | 0.00 | 1 | -0.08 | 38 | -3.04 | | | Popzafirov, Danail | | | 1832 | BUL | 0.00 | 1 | -0.20 | 38 | -7.60 | | | Lazarov, Kiril Pavlinov | | | 1277 | BUL | 0.50 | 1 | -0.37 | 38 | -14.06 | | | Krasteva, Yoana | | | 1204 | BUL | 0.50 | 1 | -0.41 | 38 | -15.58 | | | Yordanov, Mario | | | 1204 | BUL | 1.00 | 1 | 0.09 | 38 | 3.42 | | | Gochev, Gincho | | | 1891 | BUL | 0.50 | 1 | 0.35 | 38 | 13.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 Girls 14-2021 | Asenovgrad | BUL | 2021-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1443 | 1595 | 6.00 | 9 | 0.02 | 38 | 0.76 | |
| | Rasheva, Nora | | wc | 1588 | BUL | 0.00 | 1 | -0.51 | 38 | -19.38 | | | Arshinkova, Boryana | | | 1432 | BUL | 1.00 | 1 | 0.28 | 38 | 10.64 | | | Baklova, Mila | | | 1229 | BUL | 1.00 | 1 | 0.10 | 38 | 3.80 | | | Todorova, Dobrinka | | | 1473 | BUL | 1.00 | 1 | 0.33 | 38 | 12.54 | | | Stancheva, Gergana | | | 1195 * | BUL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Kostadinova, Siyana | | | 1201 | BUL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Ivanova, Dilyana | | wc | 1765 | BUL | 0.00 | 1 | -0.28 | 38 | -10.64 | | | Ilieva, Kalina | | | 1195 * | BUL | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Karaivanova, Petya | | wf | 1910 | BUL | 0.00 | 1 | -0.14 | 38 | -5.32 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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