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Individual Calculations May 2021 |
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| David, Alexandru Total change: 23.40 | |   |
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| Spring Cup 2021 | Poiana Tapului | ROU | 2021-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1595 | 1503 | 4.00 | 6 | 1.67 | 20 | 33.40 | |
|  Tufeanu, Rares-Andrei | | | 1103 * | ROU | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Matasaru, Stephanie | | | 1873 | ROU | 1.00 | 1 | 0.90 | 20 | 18.00 | | | Velcherean, Vasile-Adrian | | | 1903 * | ROU | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Visoescu, Alexandru-Bogdan | | | 1812 | ROU | 1.00 | 1 | 0.86 | 20 | 17.20 | | | Raduica, Remus | | | 1773 | ROU | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Necula, Vlad-Eduard | | | 1103 * | ROU | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | Satori Art Slobozia Cup 10th ed. - Elo 1800 | Amara | ROU | 2021-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1639 | 1503 | 1.50 | 6 | -0.50 | 20 | -10.00 | |
| | Racovita, Gheorghe | | | 1780 | ROU | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Cazan, Mircea-Andrei | | | 1667 | ROU | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Deresoiu, David-Leonard | | | 1438 | ROU | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Stancu-Filipescu, David | | | 1760 | ROU | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Bratu, Gheorghe | | | 1724 | ROU | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Popa, Nicolae | | | 1463 | ROU | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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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