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Individual Calculations July 2009 |
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| Marinescu, Stefan Total change: -33.90 | |   |
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| Grand Prix Iasi 2009 - 2nd stage | Iasi | ROU | 2009-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 1871 | 0.00 | 3 | -1.04 | 15 | -15.60 | |
|  Padurariu, Ioana-Smaranda | | wm | 2199 | ROU | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Paval, George | | | 2058 | ROU | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Calmatuianu, Virgiliu | | | 1763 | ROU | 0.00 | 1 | -0.65 | 15 | -9.75 | |
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 U14 | Voineasa | ROU | 2009-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1724 | 1906 | 6.00 | 9 | -0.59 | 15 | -8.85 | |
|  Balacianu, Alexandru-George | | | 1635 | ROU | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Delgado, Vlaic Adrian | | | 1771 | ROU | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Frusescu, Dorian-Corneliu | | | 1679 | ROU | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Bogdan, Horia-Daniel | | | 1783 | ROU | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Barascu, Alexandru-Florin | | | 1747 | ROU | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Catana, Remus-Raul | | | 1690 | ROU | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Lupascu, Matei-Alexandru | | | 1613 | ROU | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Cordea, David | | | 1873 | ROU | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Pepene, Ionut | | | 1729 | ROU | 1.00 | 1 | 0.27 | 15 | 4.05 | |
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 14 years old | Varna | BUL | 2009-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 1906 | 0.00 | 3 | -0.63 | 15 | -9.45 | |
| | Vasilov, Artur | | | 2093 | RUS | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Fedoseev, Vladimir | f | | 2256 | RUS | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Ziaziulkina, Nastassia | | | 2087 | BLR | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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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