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Individual Calculations September 2021 |
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| Preda, Maria C. Total change: 95.60 | |   |
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| New Kingdom Chess Festival 2nd ed. - Open | Pitesti | ROU | 2021-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1299 | 1128 | 1.00 | 3 | 0.13 | 40 | 5.20 | |
|  Kocak, Halil | | | 1448 | ROU | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Serban, Stelian | | | 1237 | ROU | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Pantazi, Gabriel | | | 1211 | ROU | 1.00 | 1 | 0.61 | 40 | 24.40 | |
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) | | | | Royal League 5th ed. - 1st stage | Urziceni | ROU | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1457 | 1128 | 2.50 | 6 | 1.66 | 40 | 66.40 | |
| | Trifu, Stefan | | | 1528 * | ROU | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Done, Stefan-Daniel | | | 1528 * | ROU | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Vozneatovschi, Rudi | | | 1528 * | ROU | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Robescu, Mihail | | | 1281 | ROU | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Sandulescu, Gheorghe | | | 1528 * | ROU | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Cazan, Liviu-Dorel | | | 1349 | ROU | 0.50 | 1 | 0.28 | 40 | 11.20 | | | * 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) | | | | Chess Festival Pro Logos Galati 2021 - juniors 12 years | Galati | ROU | 2021-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1148 | 1128 | 2.50 | 4 | 0.60 | 40 | 24.00 | |
| | Datcu, Adrian-Iulian | | | 1304 | ROU | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Draganoiu, Cristiana-Maria | | | 1052 | ROU | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Ionascu, Darius Alexandru | | | 1209 | ROU | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Munteanu, Stefan P. | | | 1028 | ROU | 0.50 | 1 | -0.14 | 40 | -5.60 | |
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) | | |
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