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Individual Calculations February 2020 |
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| McDermott, Peter John Total change: -31.20 | |   |
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| National Junior Championships (Abs) 2020 | Kingston, Jamaica | JAM | 2020-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1859 | 3.00 | 7 | -1.44 | 20 | -28.80 | |
|  Thorpe, Jaleel | | | 1474 | JAM | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Christie, Joshua | f | | 2208 | JAM | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Walters, Romaine | | | 1459 * | JAM | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Walsh, Nathan | | | 1628 | JAM | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Watts, Justin | | | 1506 | JAM | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Brown, Akeem | c | | 2039 | JAM | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Lyn, Christopher | | | 1815 | JAM | 0.00 | 1 | -0.56 | 20 | -11.20 | | | * 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) | | | | IA FM John Powell Memorial Open 2020 FIDE Open Section | Kingston, Jamaica | JAM | 2020-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1759 | 1859 | 3.50 | 6 | -0.12 | 20 | -2.40 | |
| | Stephenson, John | | | 1627 | JAM | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Hibbert, Odane | | | 1459 * | JAM | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wilkinson, Ian | | | 1837 | JAM | 1.00 | 1 | 0.47 | 20 | 9.40 | | | James, Stuart | c | | 2006 | JAM | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Smith, Shreyas | f | | 2076 | JAM | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Campbell, Tevin | | | 1550 | JAM | 0.50 | 1 | -0.36 | 20 | -7.20 | | | * 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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