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Individual Calculations August 2017 |
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| Ivanov, Svetlen Total change: 12.40 | |   |
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| 188th MGU open | Sofia | BUL | 2017-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1661 | 1626 | 3.50 | 6 | 0.77 | 40 | 30.80 | |
|  Punchev, Ivan | | | 1684 | BUL | 0.50 | 1 | 0.08 | 40 | 3.20 | |  Angelov, Georgi | | | 1584 | BUL | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Mladenov, Andrey | | | 1566 | BUL | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Simov, Zahari | | | 1499 | BUL | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Ruschukov, Boyan | | | 1825 | BUL | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Ignatov, Bojidar | | | 1806 | BUL | 0.50 | 1 | 0.24 | 40 | 9.60 | |
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) | | | | National team championship for boys to 12 years old 2017 | Borovets | BUL | 2017-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1546 | 1626 | 2.50 | 5 | -0.46 | 40 | -18.40 | |
| | Petkov, Momchil | c | | 1945 | BUL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Kostadinov, Stilyan | | | 1393 | BUL | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Ardenski, Dimitar | | | 1226 * | BUL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Kulev, Atanas | | | 1594 | BUL | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Georgiev, Kristian | | | 1572 | BUL | 0.00 | 1 | -0.58 | 40 | -23.20 | | | * 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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