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Individual Calculations February 2020 |
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| O`shea, Colm Total change: -24.00 | |   |
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| 2019/20 4NCL Div 4 Rounds 3 - 4 | Maidenhead | ENG | 2020-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1706 | 1706 | 0.00 | 2 | -1.00 | 20 | -20.00 | |
|  Matthews, Adrian M S | | | 1815 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | |  Seymour, Paul | | | 1596 | ENG | 0.00 | 1 | -0.65 | 20 | -13.00 | |
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) | | | | Gibraltar International Chess Festival 2020 Amateurs A | Gibraltar | ENG | 2020-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1681 | 1706 | 2.50 | 5 | -0.07 | 20 | -1.40 | |
| | Maloney, Harry | | | 1328 | ENG | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Nebel, Uwe | | | 1847 | GER | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Jacob, Sydney J | | | 1816 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Guardia Bencomo, Tomas | | | 1660 | ESP | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Bussmann, John | | | 1752 | ENG | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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) | | | | Gibraltar International Chess Festival 2020 Amateurs B | Gibraltar | ENG | 2020-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1647 | 1706 | 1.00 | 2 | -0.13 | 20 | -2.60 | |
| | Hari, Charan Sai Kalluri | | | 1836 | IND | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Zhou, Jing | | | 1457 | CHN | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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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