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Individual Calculations May 2019 |
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| Taddia, Davide Total change: -46.40 | |   |
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| 2019 European Amateur Chess Championships open U1700 | Rhodes | GRE | 2019-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1499 | 1519 | 1.50 | 5 | -1.06 | 20 | -21.20 | |
|  Kanev, Evgeny | | | 1629 | RUS | 0.50 | 1 | 0.15 | 20 | 3.00 | |  Stathatos, Alexandros | | | 1185 | GRE | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Grishina, Zhanna | | | 1482 | RUS | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Meremyanina, Kseniya | | | 1577 | RUS | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Buzescu, Vladimir | | | 1620 | ROU | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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) | | | | CR Emilia-Romagna 2019 | Bentivoglio | ITA | 2019-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1487 | 1519 | 1.50 | 5 | -1.26 | 20 | -25.20 | |
| | Di Girolamo, Nicolo | | | 1874 | ITA | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Cartegni, Aldo Jose | | | 1413 | ITA | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Bianco, Paolo | | | 1519 | ITA | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Busi, Piero | | | 1237 | ITA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Frusteri, Andrea | | | 1394 | ITA | 0.50 | 1 | -0.17 | 20 | -3.40 | |
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) | | |
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