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Individual Calculations May 2011 |
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| Zulkipli, Zaidan Total change: 33.90 | |   |
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| Armstrong Cup 2011 | Dublin | IRL | 2010-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2070 | 2053 | 4.50 | 7 | 1.17 | 15 | 17.55 | |
|  Byrne, Ray | | | 2054 | IRL | 1.00 | 1 | 0.50 | 15 | 7.50 | |  Dennehy, Tony | | | 2131 | IRL | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Bittner, Thomas | | | 2193 | GER | 0.00 | 1 | -0.31 | 15 | -4.65 | | | O`Connor, Eddie | | | 1975 | IRL | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Quinn, Ciaran | | | 2130 | IRL | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Salter, David | | | 1896 | IRL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Reynolds, Pat | | | 2111 | IRL | 1.00 | 1 | 0.58 | 15 | 8.70 | |
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 |
| 2138 | 2044 | 0.50 | 2 | -0.30 | 15 | -4.50 | |
| | Polimac, Darko | | | 1928 | IRL | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Sodoma, Jan | | | 2348 | CZE | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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 |
| 2109 | 2035 | 3.00 | 4 | 1.39 | 15 | 20.85 | |
| | Fox, Anthony | | | 2098 | IRL | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Joyce, John | | | 2221 | IRL | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Porter, Liam | | | 1985 | IRL | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Freeman, Gordon | | | 2132 | IRL | 0.50 | 1 | 0.13 | 15 | 1.95 | |
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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