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Individual Calculations May 2018 |
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| Coldrick, Art Total change: -30.40 | |   |
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| Heidenfeld Trophy 2017-18 Rounds 9-10 | Various | IRL | 2018-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1744 | 1798 | 0.50 | 1 | -0.08 | 20 | -1.60 | |
|  Goss, Alex | | | 1744 | IRL | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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) | | | | Irish over 40s Championships 2018 Over 1600 Nat | Dublin | IRL | 2018-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1665 | 1798 | 2.50 | 6 | -1.44 | 20 | -28.80 | |
| | Dempsey, Denis | | | 1548 | IRL | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Reynolds, Pat | | | 1918 | IRL | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Fitzpatrick, Tom | | | 1667 | IRL | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Lynch, Peter | | | 1726 | IRL | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Fitzpatrick, Kevin | | | 1398 * | IRL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Paronyan, Vahe | | | 1730 | IRL | 0.00 | 1 | -0.59 | 20 | -11.80 | | | * 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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