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Individual Calculations November 2009 |
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| Orev, Petar Total change: -20.40 | |   |
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| 8th Kesarovski-Georgiev Memorial | Sunny Beach | BUL | 2009-09-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2108 | 2244 | 4.50 | 8 | -0.89 | 15 | -13.35 | |
|  Todorov, Yavor | | | 1912 | BUL | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Bochev, Krasimir | | | 2119 | BUL | 0.50 | 1 | -0.17 | 15 | -2.55 | |  Bozov, Ahmet | | | 2114 | BUL | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Georgiev, Krum | g | | 2466 | BUL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Jiruse, Josef | | | 2066 | CZE | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Baciu, Diana | | wf | 2122 | MDA | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Draganova, Petranka | | | 2021 | BUL | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Berendsen, Markus | | | 2044 | GER | 1.00 | 1 | 0.24 | 15 | 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) | | | | IVIS open championship | Sofia | BUL | 2009-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 2244 | 4.00 | 6 | -0.47 | 15 | -7.05 | |
| | Kosturski, Ivan | | | 1844 * | BUL | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Stoyanov, Ivaylo | | | 2038 | BUL | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Sirkova, Darena | | | 2038 | BUL | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Dragieva, Denitza | | | 1844 * | BUL | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Andreev, Stanislav | | | 2118 | BUL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Vlashki, Nino | | | 2288 | BUL | 1.00 | 1 | 0.56 | 15 | 8.40 | | | * 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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