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Individual Calculations July 2015 |
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| Davidsson, Oskar Vikingur Total change: 88.40 | |   |
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| Icelandic Chess School Championship 2015 - A-section | Reykjavik | ISL | 2015-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1654 | 2.50 | 5 | 1.35 | 40 | 54.00 | |
|  Jonsson, Gauti Pall | | | 1936 | ISL | 1.00 | 1 | 0.84 | 40 | 33.60 | |  Hardarson, Jon Trausti | | | 2054 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ragnarsson, Heimir Pall | | | 1591 | ISL | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Birkisson, Bardur Orn | | | 1852 | ISL | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Ragnarsson, Dagur | f | | 2054 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | OP 7 Capo d'Orso | Porto Mannu - Palau | ITA | 2015-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1654 | 4.00 | 9 | 0.86 | 40 | 34.40 | |
| | Ponzecchi, Riccardo | | | 1464 | ITA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Crapulli, Giuseppe | | | 1869 | ITA | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Kuipers, Stefan | m | | 2054 * | NED | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Garofalo, Sergio | | | 1742 | ITA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Einarsson, Oskar Long | | | 1638 | ISL | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Blasco, Domenico | | | 1925 | ITA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Zangrando, Gianpietro | | | 1851 | ITA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Kennedy, Philip J | | | 1922 | ENG | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Fragni, Enrico | | | 1589 | ITA | 1.00 | 1 | 0.41 | 40 | 16.40 | | | * 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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