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Individual Calculations March 2023 |
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| Naughton, James Total change: -17.80 | |   |
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| Gonzaga Classic Masters 2023 | Dublin | IRL | 2023-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1947 | 2027 | 2.00 | 5 | -1.04 | 20 | -20.80 | |
|  Ivanov, Andrey A. | | | 1814 | IRL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Turner, Matthew | g | | 2451 | SCO | 0.00 | 1 | -0.07 | 20 | -1.40 | |  Renji, Rafael Ninan | | | 1626 | IRL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Brozynski, Patryk | | | 1937 | IRL | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Nolan, Conor | | | 1907 | IRL | 0.50 | 1 | -0.16 | 20 | -3.20 | |
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) | | | | The Sligo Spring Tournament 2023 Master | Enniscrone | IRL | 2023-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2168 | 2035 | 2.00 | 4 | 0.65 | 20 | 13.00 | |
| | Nikula, Mikko | | | 1811 | FIN | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Rakhmangulov, Andrei | m | | 2293 | UKR | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Pein, Jonathan | c | | 2255 | ENG | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Doluhanova, Evgeniya | | wg | 2312 | UKR | 0.00 | 1 | -0.17 | 20 | -3.40 | |
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) | | | | The John Bolger Cup 2023 | Dublin | IRL | 2023-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2012 | 2035 | 1.50 | 5 | -1.17 | 20 | -23.40 | |
| | Dumansky, Yaroslav | f | | 2326 | UKR | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Gora, Antonina | | | 1898 | IRL | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Medrano, Mario | | | 1995 | BOL | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Putar, Lara | | | 1794 | IRL | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Schoonackers, Jeroen | | | 2046 | NED | 0.00 | 1 | -0.48 | 20 | -9.60 | |
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) | | | | Ennis Congress 2023 Open | Ennis | IRL | 2023-02-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 2035 | 3.00 | 4 | 0.67 | 20 | 13.40 | |
| | Dunne, John P. | | | 1635 * | IRL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | O`connell, Denis | | | 1722 | IRL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Daly, Colm | f | | 2235 | IRL | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Wallace, Paul A. | | | 2174 | IRL | 0.50 | 1 | 0.19 | 20 | 3.80 | | | * 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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