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Individual Calculations May 2011 |
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| Joyce, John Total change: -6.75 | |   |
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| Armstrong Cup 2011 | Dublin | IRL | 2010-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 2221 | 6.50 | 10 | -0.32 | 15 | -4.80 | |
|  O`Donovan, Richard | | | 2132 | IRL | 1.00 | 1 | 0.38 | 15 | 5.70 | |  Osborne, Sam C. | | | 2038 | IRL | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Kalam, Abul | | | 1821 * | IRL | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Freeman, Gordon | | | 2132 | IRL | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Lane, John | | | 1966 | IRL | 0.00 | 1 | -0.81 | 15 | -12.15 | | | Bittner, Thomas | | | 2193 | GER | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Mendelson, Andrew | | | 2127 | RSA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Normoyle, Liam | | | 1871 | IRL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Jakubauskas, Zygimantas | | | 2117 | LTU | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Griffiths, Ryan-Rhys | | | 2283 | IRL | 0.00 | 1 | -0.41 | 15 | -6.15 | | | * 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) | | | | Irish National Chess Club Championship 2011 | Dublin | IRL | 2011-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2221 | 2.50 | 4 | 0.08 | 15 | 1.20 | |
| | Igaz, Peter | | | 2118 | HUN | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Morriss, Pete | | | 1967 | IRL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Dumitrache, Dragos-Nicolae | m | | 2442 | ROU | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Hayes, Peter | | | 2029 | IRL | 0.50 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | Leinster Championships 2011 | Dublin | IRL | 2011-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2221 | 3.00 | 5 | -0.21 | 15 | -3.15 | |
| | Delaney, Killian | | | 2054 | IRL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Freeman, Gordon | | | 2132 | IRL | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Zulkipli, Zaidan | | | 2035 | MAS | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Fox, Anthony | | | 2098 | IRL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Fitzsimons, David | | | 2252 | IRL | 0.00 | 1 | -0.46 | 15 | -6.90 | |
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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