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Individual Calculations April 2009 |
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| Udroiu, Ion Total change: -23.50 | |   |
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| Wintry Cup | Bucuresti | ROU | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 1715 | 1.50 | 4 | 0.67 | 25 | 16.75 | |
|  Dragomir, Nicolae-Laurentiu | | | 2065 | ROU | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Raducanu, Andrei-Augustin | | | 2063 | ROU | 0.50 | 1 | 0.39 | 25 | 9.75 | |  Vlad, Oliviu-Catalin | | | 2013 | ROU | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Ciortan, Mihail | | | 1745 | ROU | 1.00 | 1 | 0.54 | 25 | 13.50 | |
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) | | | | St.Valentine's Cup | Bucuresti | ROU | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1918 | 1715 | 0.00 | 3 | -0.77 | 25 | -19.25 | |
| | Caldarar, Mihai | | | 2065 | ROU | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Vladescu, Ovidiu-Viorel | | | 1901 | ROU | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Ilie, Andrei | | | 1787 | ROU | 0.00 | 1 | -0.40 | 25 | -10.00 | |
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) | | | | "Victor Ciocaltea" Memorial Open Tournament | Bucuresti | ROU | 2009-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1791 | 1715 | 2.00 | 7 | -0.84 | 25 | -21.00 | |
| | Raducanu, Andrei-Augustin | | | 2063 | ROU | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Dan, Aurelian | | | 1895 | ROU | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Costache, Florin-Remus | | | 1480 | ROU | 1.00 | 1 | 0.21 | 25 | 5.25 | | | Pintilie, Petre | | | 1817 | ROU | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Vladescu, Ovidiu-Viorel | | | 1901 | ROU | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Paparuz, Vasile | | | 1634 | ROU | 1.00 | 1 | 0.39 | 25 | 9.75 | | | Taposu-Matei, Alexandra | | | 1748 | ROU | 0.00 | 1 | -0.45 | 25 | -11.25 | |
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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