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Individual Calculations January 2010 |
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| Van Voorthuijsen, Peewee Total change: -27.60 | |   |
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| 35th Guernsey International Open | Guernsey | GCI | 2009-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 2300 | 4.50 | 7 | -1.24 | 15 | -18.60 | |
|  Spanton, Timothy | | | 2009 | ENG | 1.00 | 1 | 0.15 | 15 | 2.25 | |  Bolt, Graham | | | 2054 | ENG | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Hoare, Amy | | | 1900 * | ENG | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Goater, Kevin | c | | 2168 | ENG | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Hamperl, Fred | f | | 2046 | GCI | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Williams, Peter A | | | 1961 | ENG | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Prins, Jan | | | 2069 | NED | 1.00 | 1 | 0.21 | 15 | 3.15 | | | * 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) | | | | Klasse 2A Round 2-4 - Dutch Team Competition | Various | NED | 2009-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 2300 | 1.50 | 3 | -0.60 | 15 | -9.00 | |
| | Nagtegaal, Kees | | | 2220 | NED | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Algra, Jouke | | | 2124 | NED | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Van Otten, Gerard | | | 2100 | NED | 0.50 | 1 | -0.26 | 15 | -3.90 | |
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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