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Individual Calculations June 2015 |
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| O`donovan, Richard Total change: 22.80 | |   |
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| Leinster Chess Union Div 1 Armstrong Cup 2014-15 Round 4 | Dublin | IRL | 2014-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 2050 | 1.00 | 1 | 0.40 | 20 | 8.00 | |
|  Lane, John | | | 1974 | IRL | 1.00 | 1 | 0.40 | 20 | 8.00 | |
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 Chess Union Div 1 Armstrong Cup 2014-15 Round 5 | Dublin | IRL | 2014-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2397 | 2050 | 0.50 | 1 | 0.39 | 20 | 7.80 | |
|  Quinn, Mark | m | | 2397 | IRL | 0.50 | 1 | 0.39 | 20 | 7.80 | |
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 Chess Union Div 1 Armstrong Cup 2014-15 Round 6 | Dublin | IRL | 2015-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2144 | 2050 | 1.00 | 1 | 0.63 | 20 | 12.60 | |
| | Smith, Derek | | | 2144 | IRL | 1.00 | 1 | 0.63 | 20 | 12.60 | |
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 Chess Union Div 1 Armstrong Cup 2014-15 Round 7 | Dublin | IRL | 2015-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1884 | 2050 | 1.00 | 1 | 0.28 | 20 | 5.60 | |
| | Boyle, Bernard | | | 1884 | IRL | 1.00 | 1 | 0.28 | 20 | 5.60 | |
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 Chess Union Div 1 Armstrong Cup 2014-15 Round 8 | Dublin | IRL | 2015-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2156 | 2050 | 0.00 | 1 | -0.36 | 20 | -7.20 | |
| | Joyce, John | | | 2156 | IRL | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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 Chess Union Div 1 Armstrong Cup 2014-15 Round 9 | Dublin | IRL | 2015-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 2050 | 0.50 | 1 | 0.02 | 20 | 0.40 | |
| | Moran, Stephen | | | 2062 | IRL | 0.50 | 1 | 0.02 | 20 | 0.40 | |
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 Chess Union Div 1 Armstrong Cup 2014-15 Round 10 | Dublin | IRL | 2015-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2450 | 2050 | 0.00 | 1 | -0.08 | 20 | -1.60 | |
| | Collins, Sam E. | m | | 2450 * | IRL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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 Chess Union Div 1 Armstrong Cup 2014-15 Round 11 | Dublin | IRL | 2015-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 2050 | 0.50 | 1 | -0.14 | 20 | -2.80 | |
| | Salter, David | | | 1951 | IRL | 0.50 | 1 | -0.14 | 20 | -2.80 | |
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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