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Individual Calculations May 2010 |
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| Griffiths, Ryan Rhys Total change: 52.20 | |   |
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| Armstrong Cup | Dublin | IRL | 2009-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2063 | 2138 | 7.50 | 9 | 2.10 | 15 | 31.50 | |
|  Schmidt, Martin | | | 2176 | IRL | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Palmer, Bernard M. | | | 1995 | IRL | 1.00 | 1 | 0.31 | 15 | 4.65 | |  Spirek, Adam | | | 2066 | CZE | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Bittner, Thomas | | | 2190 | GER | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Freeman, Gordon | | | 2103 | IRL | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Loughran, John | | | 1940 | IRL | 1.00 | 1 | 0.24 | 15 | 3.60 | | | O`Donovan, Richard | | | 2140 | IRL | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Delaney, Killian | | | 1971 | IRL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Moran, Stephen | | | 1989 | IRL | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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) | | | | XXIII Open Internacional Ciudad de San Sebastian | Donostia-San Sebastian | ESP | 2010-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2238 | 2195 | 6.00 | 9 | 1.96 | 15 | 29.40 | |
| | Orube Bona, Andoni | | | 1795 * | ESP | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Alsina Leal, Daniel | m | | 2548 | ESP | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Fernandez Zubitur, Jokin | | | 1908 | ESP | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Segovia Sanchez, Antonio | | | 1998 | ESP | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Ledger, Andrew J | m | | 2431 | ENG | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Cifuentes Parada, Roberto | g | | 2525 | ESP | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Pogorelov, Ruslan | g | | 2486 | UKR | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Recuero Guerra, David | m | | 2481 | ESP | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Sanchez Dolado, Jorge | | | 1966 | ESP | 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) | | | | Leinster Championships | Dublin | IRL | 2010-04-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2081 | 2195 | 2.00 | 4 | -0.58 | 15 | -8.70 | |
| | Murray, David B. | | | 1997 | IRL | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Dempsey, Paul | | | 2154 | IRL | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Lyons, Brendan | | | 1952 | IRL | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Fitzsimons, David | | | 2221 | 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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