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Individual Calculations February 2020 |
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| Barry, Suzanne Total change: 86.80 | |   |
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| The Irish over 50 and over 65 Championships 2020 | Dublin | IRL | 2020-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1560 | 1288 | 3.50 | 7 | 2.17 | 40 | 86.80 | |
|  Armstrong, Fred | | | 1688 * | IRL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Scott, Shay | | | 1575 | IRL | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Dempsey, Denis | | | 1452 | IRL | 1.00 | 1 | 0.72 | 40 | 28.80 | | | O`shea, Paschal | | | 1442 | IRL | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Jackson, Peter D. | | | 1688 * | IRL | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Murray, Jim | | | 1688 * | IRL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Martin, Desmond | | | 1389 | IRL | 0.50 | 1 | 0.14 | 40 | 5.60 | | | * 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) | | |
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