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Individual Calculations September 2009 |
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| Ivekovic, Bozidar Total change: 79.95 | |   |
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| 18th Croatian Championship - Boys U13 | Novi Vinodolski | CRO | 2009-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1763 | 1953 | 4.50 | 6 | 0.07 | 15 | 1.05 | |
|  Krsnik Cohar, Ivan Vihor | | | 1688 | CRO | 0.50 | 1 | -0.32 | 15 | -4.80 | |  Mravic, Filip | | | 1813 | CRO | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Camber, Ivan | | | 1921 | CRO | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Samardzic, Nikola | | | 1680 | CRO | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Vrankovic, Ivan | | | 1760 | CRO | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Dujic, Marko | | | 1715 | CRO | 1.00 | 1 | 0.20 | 15 | 3.00 | |
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) | | | | Nachod Niki Open 2009 | Nachod | CZE | 2009-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2184 | 1954 | 5.00 | 9 | 2.90 | 15 | 43.50 | |
| | Jirka, Jiri | m | | 2354 * | CZE | 1.00 | 1 | 0.92 | 15 | 13.80 | | | Petr, Martin | m | | 2354 * | CZE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Vanek, Ladislav | | | 2187 | CZE | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Jedlicka, Ales | f | | 2270 | CZE | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Hosticka, Frantisek | | | 2185 | CZE | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Soural, Jan | | | 2207 | CZE | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Duch, Robert | | | 1857 | CZE | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Matyska, Jiri | | | 2089 | CZE | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Srejber, Michal | | | 2149 | CZE | 0.50 | 1 | 0.25 | 15 | 3.75 | | | * 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) | | | | 18th CRO Championship - Boys U17 | Bjelolasica | CRO | 2009-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2016 | 1954 | 5.00 | 8 | 1.67 | 15 | 25.05 | |
| | Ivekovic, Zvonimir | | | 2308 | CRO | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Dujic, Marko | | | 1719 | CRO | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Dujic, Davor | | | 1572 | CRO | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Greb, Nikola | | | 2053 | CRO | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Baturina, Andrija | | | 2096 | CRO | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Bjelicic, Jan | | | 2058 | CRO | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Srbis, Jurica | | | 2250 | CRO | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Blazeka, Matej | | | 2072 | CRO | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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) | | | | 16th Styrian Youth Champ. | Mureck | AUT | 2009-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1954 | 3.50 | 4 | 0.69 | 15 | 10.35 | |
| | Thomas, James | | | 1868 | WLS | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Tausanov, Mihail | | | 1914 | MKD | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Mravic, Filip | | | 1800 | CRO | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Vasileva, Aleksandra Valerieva | | | 1554 * | BUL | 1.00 | 1 | 0.08 | 15 | 1.20 | | | * 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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