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Individual Calculations February 2020 |
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| Brewer, Callum Total change: 3.20 | |   |
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| Hastings Weekend Open 2020 | Hastings | ENG | 2020-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2125 | 2134 | 3.00 | 5 | 0.52 | 20 | 10.40 | |
|  Clancy, Martin J | | | 1788 | ENG | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Chandler, Cliff R | | | 2281 | ENG | 1.00 | 1 | 0.70 | 20 | 14.00 | |  Tanmay, Chopra | | | 2186 | IND | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Zapolskis, Antanas | m | | 2258 | LTU | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Wilson, Jaimie | | | 2112 | ENG | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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) | | | | 2019/20 4NCL Div 2 Rounds 3 - 4 | Daventry | ENG | 2020-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2176 | 2134 | 1.00 | 2 | 0.12 | 20 | 2.40 | |
| | Shephard, Chris C W | | | 2199 | ENG | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Oswald, Graeme E | | | 2152 | ENG | 1.00 | 1 | 0.53 | 20 | 10.60 | |
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) | | | | Gonzaga Classic Masters 2019 | Dublin | IRL | 2020-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 2134 | 2.50 | 5 | -0.48 | 20 | -9.60 | |
| | Meier, Georg | g | | 2534 * | GER | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Peoples, Jonathon | | | 1909 | IRL | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Gupta, Utkarsh | | | 1853 | IRL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Murray, David | | | 2140 | IRL | 0.00 | 1 | -0.49 | 20 | -9.80 | | | O`gorman, Alice | | | 1906 | IRL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | * 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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