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Individual Calculations February 2018 |
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| ++morriss ++, Pete Total change: 2.00 | |   |
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| The Irish over 50, over 65 Championships 2018 | Dublin | IRL | 2018-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1812 | 1979 | 3.50 | 5 | 0.10 | 20 | 2.00 | |
|  Baczkowski, Stefan | | | 1579 * | IRL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | O`connor, Jonathan | | | 2222 | IRL | 0.00 | 1 | -0.20 | 20 | -4.00 | |  ++donohoe ++, Eugene | | | 1579 * | IRL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | ++lynch ++, Peter | | | 1733 | IRL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Crichton, Martin | | | 1946 | IRL | 1.00 | 1 | 0.45 | 20 | 9.00 | | | * 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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