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Individual Calculations December 2023 |
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| Ortolani, Paolo Total change: -18.80 | |   |
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| Central London Chess Congress at Imperial College November 2023 - U2000 | London | ENG | 2023-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 1511 | 1.50 | 2 | 0.86 | 20 | 17.20 | |
|  Prince, Alan R | | | 1669 | ENG | 1.00 | 1 | 0.71 | 20 | 14.20 | |  Levy, Christopher A | | | 1621 | ENG | 0.50 | 1 | 0.15 | 20 | 3.00 | |
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) | | | | Muswell Hill FIDE Standard 14 November | London | ENG | 2023-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1556 | 1511 | 0.00 | 2 | -0.89 | 20 | -17.80 | |
| | Han, Qixiang | | | 1719 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Haddock, Paul | | | 1393 | ENG | 0.00 | 1 | -0.66 | 20 | -13.20 | |
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) | | | | WE 10 Vijgev aan Zee at Bovisio EcoLife - Girone 8 | Bovisio Masciago | ITA | 2023-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1525 | 1511 | 1.50 | 5 | -0.91 | 20 | -18.20 | |
| | Fiorito, Ivan | | | 1507 | ITA | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Delle Fave, Fabio | | | 1546 | ITA | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Giganti, Marco | | | 1527 | ITA | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Tonutti, Marco | | | 1548 | ITA | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Mazzucchelli, Elio Teodoro | | | 1495 | ITA | 0.00 | 1 | -0.52 | 20 | -10.40 | |
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) | | |
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