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Individual Calculations April 2009 |
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| Costachi, Mihnea Total change: 22.50 | |   |
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| Mircea Radulescu Memorial | Cluj-Napoca | ROU | 2009-02-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2122 | 1805 | 2.00 | 5 | 1.32 | 25 | 33.00 | |
|  Varlan, Hervig-Ioan | | | 2155 | ROU | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Teodorescu, Razvan | | | 2151 | ROU | 1.00 | 1 | 0.89 | 25 | 22.25 | | | Zubac, Marius | | | 2155 | CAN | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Bardi, Tiberiu | | | 2093 | ROU | 1.00 | 1 | 0.84 | 25 | 21.00 | | | Paval, George | | | 2058 | ROU | 0.00 | 1 | -0.19 | 25 | -4.75 | |
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) | | | | Open Geoagiu Bai - 4th edition | Geoagiu Bai | ROU | 2009-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 1805 | 1.00 | 4 | -0.42 | 25 | -10.50 | |
| | Cordea, David | | | 1880 | ROU | 0.00 | 1 | -0.40 | 25 | -10.00 | | | Sandru, Nicolae | | | 1875 | ROU | 0.50 | 1 | 0.10 | 25 | 2.50 | | | Miron, Ionel | | | 2032 | ROU | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Visanescu, Daria-Ioana | | wf | 1870 | ROU | 0.50 | 1 | 0.09 | 25 | 2.25 | |
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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