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Individual Calculations April 2023 |
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| Petriman, Ion Total change: -66.40 | |   |
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| Romania National Senior Chess Championship 2023 - Open 65 | Vaslui | ROU | 2023-03-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1859 | 1639 | 0.00 | 1 | -0.22 | 20 | -4.40 | |
|  Stancu, Ovidiu-Grigore | | | 1859 | ROU | 0.00 | 1 | -0.22 | 20 | -4.40 | |
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 Soul A - 5th ed. | Iasi | ROU | 2023-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1267 | 1639 | 0.50 | 4 | -3.10 | 20 | -62.00 | |
| | Sufaru, Mircia | | | 1239 * | ROU | 0.00 | 1 | -0.92 | 20 | -18.40 | |  Ropota, Damian-Alexandru | | | 1228 | ROU | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Caraiman, Cezar-Cristian | | | 1243 | ROU | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Manolachi, Tudor-Gabriel | | | 1359 | ROU | 0.50 | 1 | -0.34 | 20 | -6.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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