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Individual Calculations November 2009 |
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| Costachi, Mihnea Total change: -1.05 | |   |
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| Alba County Championship 2009 | Alba Iulia | ROU | 2009-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1791 | 0.50 | 3 | -0.63 | 15 | -9.45 | |
|  Miron, Ionel | | | 2062 | ROU | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Pop, Ioan | | | 1774 | ROU | 0.50 | 1 | -0.02 | 15 | -0.30 | |  Cepoiu, Mircea | | | 1836 | ROU | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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) | | | | Tiszavirag Open | Szeged | HUN | 2009-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 1791 | 3.00 | 6 | 0.56 | 15 | 8.40 | |
| | Hegyesi, Zoltan | | | 2085 | HUN | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Balint, Daniel | | | 1767 | HUN | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Tornyai, Jeno | | | 1974 | HUN | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Berecz, Arpad | | | 2085 | HUN | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Sipos, Kalman | | | 1820 | HUN | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Valyi, Blanka Borbala | | | 1446 | HUN | 1.00 | 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) | | |
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