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Individual Calculations September 2021 |
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| Portariuc, Gheorghe Total change: 83.82 | |   |
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| Arad Open 2021 - U 2000 | Arad | ROU | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1644 | 1368 | 5.00 | 9 | 3.29 | 33 | 108.57 | |
|  Zanfir, Iulian | | | 1745 | ROU | 0.00 | 1 | -0.09 | 33 | -2.97 | |  Bargan, Victoria | | | 1613 | MDA | 0.00 | 1 | -0.20 | 33 | -6.60 | | | Paraschiv, Vasile | | | 1259 | ROU | 1.00 | 1 | 0.35 | 33 | 11.55 | | | Cristocea, Gabriela | | | 1740 | ROU | 1.00 | 1 | 0.90 | 33 | 29.70 | | | Dumitrica, Sorin-Radu | | | 1741 | ROU | 1.00 | 1 | 0.90 | 33 | 29.70 | | | Antal, Andrei | | | 1620 | ROU | 0.00 | 1 | -0.19 | 33 | -6.27 | | | Marchidan, Costica | | | 1700 | ROU | 1.00 | 1 | 0.88 | 33 | 29.04 | | | Pitigoi, Sabina-Andreea | | | 1699 | ROU | 0.00 | 1 | -0.12 | 33 | -3.96 | | | Bulgaru, Daniel-Alexandru | | | 1682 | ROU | 1.00 | 1 | 0.86 | 33 | 28.38 | |
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) | | | | Arad Open 2021 - U 1600 | Arad | ROU | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1289 | 1367 | 2.00 | 5 | -0.94 | 33 | -31.02 | |
| | Adam, Ioan | | | 1494 | ROU | 0.00 | 1 | -0.33 | 33 | -10.89 | | | Vitelar, Bianca Andreea | | | 1039 | ROU | 1.00 | 1 | 0.13 | 33 | 4.29 | | | Tus, Oana-Camelia | | | 1119 | ROU | 1.00 | 1 | 0.19 | 33 | 6.27 | | | Miculit, Vlad-Cristian | | | 1537 | ROU | 0.00 | 1 | -0.28 | 33 | -9.24 | | | Vaduva, Ion-Valentin | | | 1254 | ROU | 0.00 | 1 | -0.65 | 33 | -21.45 | |
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) | | | | Brasov International Chess Festival - 5th ed.- B | Poiana Brasov | ROU | 2021-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1523 | 1367 | 2.50 | 7 | 0.19 | 33 | 6.27 | |
| | Anitei, Ion | | | 1756 | ROU | 0.00 | 1 | -0.09 | 33 | -2.97 | | | Miklos, Norbert | | | 1754 | ROU | 0.00 | 1 | -0.09 | 33 | -2.97 | | | Seremet, Gabriel | | | 1108 | ROU | 1.00 | 1 | 0.18 | 33 | 5.94 | | | Sandulescu, Gheorghe | | | 1625 | ROU | 1.00 | 1 | 0.82 | 33 | 27.06 | | | Lungu, Cristian | | | 1556 | ROU | 0.00 | 1 | -0.25 | 33 | -8.25 | | | Vasile, Constantin | f | | 1702 | ROU | 0.00 | 1 | -0.12 | 33 | -3.96 | | | Rosu, Alexandru | | | 1162 | FRA | 0.50 | 1 | -0.26 | 33 | -8.58 | |
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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