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Individual Calculations May 2011 |
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| Porter, Liam Total change: -6.45 | |   |
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| Armstrong Cup 2011 | Dublin | IRL | 2010-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 1983 | 2.00 | 5 | -0.65 | 15 | -9.75 | |
|  Hearns, Liam T. | | | 1952 | IRL | 0.50 | 1 | -0.04 | 15 | -0.60 | |  O`Connor, Eddie | | | 1975 | IRL | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Goggins, David | | | 1841 | IRL | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Bennett, Eric | | | 1986 | IRL | 0.50 | 1 | 0.00 | 15 | 0.00 | | | McMorrow, John | | | 2048 | IRL | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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 |
| 2101 | 1983 | 0.50 | 3 | -0.52 | 15 | -7.80 | |
| | Murray, David | | | 2039 | IRL | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Goban, Marek | | | 2126 | SVK | 0.00 | 1 | -0.31 | 15 | -4.65 | | | O`Connell, Gerard | | | 2138 | IRL | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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 |
| 2129 | 1985 | 2.00 | 4 | 0.74 | 15 | 11.10 | |
| | Fox, Anthony | | | 2098 | IRL | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Fitzsimons, David | | | 2252 | IRL | 1.00 | 1 | 0.82 | 15 | 12.30 | | | Freeman, Gordon | | | 2132 | IRL | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Zulkipli, Zaidan | | | 2035 | MAS | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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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