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Individual Calculations July 2009 |
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| Tiron, Lucian-Ilie Total change: 23.40 | |   |
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| Grand Prix Iasi 2009 - 2nd stage | Iasi | ROU | 2009-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 1610 | 0.00 | 1 | -0.11 | 15 | -1.65 | |
|  Parlog, Stefan | | | 1960 | ROU | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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) | | | | Romanian National Youth Chess Championship - Boys U12 | Voineasa | ROU | 2009-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1860 | 1598 | 2.50 | 4 | 1.76 | 15 | 26.40 | |
|  Toma, Radu-Cristian | | | 1948 | ROU | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Gheorghiu, Calin | | | 1834 | ROU | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Tomici, Stefan | | | 1885 | ROU | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Burlacu, Valentin-Sebastian | | | 1771 | ROU | 1.00 | 1 | 0.73 | 15 | 10.95 | |
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) | | | | 4-th EUROPEAN OPEN CHESS SCHOOL TEAM CHAMPIONSHIP 12 years old | Varna | BUL | 2009-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1720 | 1598 | 1.00 | 3 | -0.09 | 15 | -1.35 | |
| | Emdin, Mark | | | 1939 | RUS | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Zaytseva, Kira | | | 1711 | BLR | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Filatov, Semen | | | 1510 | RUS | 0.50 | 1 | -0.12 | 15 | -1.80 | |
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) | | |
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