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Rapid:
Individual Calculations December 2023 |
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| Tahmankar, Mandar Total change: 11.80 | |   |
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| Belfast City Royal Ave Rapid Championship 2023 | Belfast | IRL | 2023-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1654 | 2025 | 5.00 | 5 | 0.49 | 20 | 9.80 | |
|  Grey, Tom | | | 1601 | IRL | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Barbals, Gatis | | | 1680 | IRL | 1.00 | 1 | 0.11 | 20 | 2.20 | |  McIlroy, Gerard | | | 1683 | IRL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Lavery, Robert | | | 1680 | IRL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | McClean, Caleb | | | 1625 * | IRL | 1.00 | 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) | | | | Greenisland FC Chess Halloween Rapid | Carrickfergus | IRL | 2023-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1658 | 2025 | 1.00 | 1 | 0.10 | 20 | 2.00 | |
| | McIlroy, Ben | | | 1658 | IRL | 1.00 | 1 | 0.10 | 20 | 2.00 | |
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) | | |
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