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Individual Calculations January 2009 |
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| Costachi, Mihnea Total change: -18.00 | |   |
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| Transylvanian Chess Autumn | Geoagiu Bai | ROU | 2008-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1823 | 1.00 | 5 | -0.91 | 25 | -22.75 | |
|  Bogdea, Daniel | | | 2089 | ROU | 0.00 | 1 | -0.18 | 25 | -4.50 | |  Serdean, Pavel Dorin | f | | 2169 | ROU | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Sandru, Nicolae | | | 1844 | ROU | 0.00 | 1 | -0.47 | 25 | -11.75 | | | Secheres, Alexandru | | | 1799 | ROU | 0.50 | 1 | -0.03 | 25 | -0.75 | | | Secheres, Adrian-Simion | | | 1732 | ROU | 0.50 | 1 | -0.12 | 25 | -3.00 | |
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) | | | | Potaissa Cup | Cluj-Napoca | ROU | 2008-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1823 | 1.50 | 3 | 0.19 | 25 | 4.75 | |
| | Secheres, Adrian-Simion | | | 1719 | ROU | 0.50 | 1 | -0.14 | 25 | -3.50 | | | Toma, Alin | f | | 2173 | ROU | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Pavelescu, Dumitru-Stefan | | | 1780 | ROU | 1.00 | 1 | 0.44 | 25 | 11.00 | |
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) | | |
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