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Individual Calculations May 2011 |
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| Mendelson, Andrew Total change: 16.75 | |   |
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| Armstrong Cup 2011 | Dublin | IRL | 2010-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2144 | 2127 | 3.00 | 5 | 0.63 | 25 | 15.75 | |
|  Jakubauskas, Zygimantas | | | 2117 | LTU | 1.00 | 1 | 0.49 | 25 | 12.25 | | | Griffiths, Ryan-Rhys | | | 2283 | IRL | 0.00 | 1 | -0.29 | 25 | -7.25 | | | O`Donovan, Richard | | | 2132 | IRL | 1.00 | 1 | 0.51 | 25 | 12.75 | | | Joyce, John | | | 2221 | IRL | 0.00 | 1 | -0.37 | 25 | -9.25 | |  Lane, John | | | 1966 | IRL | 1.00 | 1 | 0.29 | 25 | 7.25 | |
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) | | | | Irish National Chess Club Championship 2011 | Dublin | IRL | 2011-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2155 | 2127 | 2.00 | 4 | 0.04 | 25 | 1.00 | |
| | Janusaitis, Mindaugas | | | 1936 | LTU | 0.50 | 1 | -0.25 | 25 | -6.25 | | | Heinrich, Jan | | | 2133 | SVK | 0.50 | 1 | 0.01 | 25 | 0.25 | | | Duffy, Seamus | | | 2022 | IRL | 1.00 | 1 | 0.36 | 25 | 9.00 | | | Jianu, Vlad-Cristian | g | | 2527 * | ROU | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * 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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