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Individual Calculations February 2020 |
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| Davies, Cledwyn Total change: -12.60 | |   |
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| Gibraltar International Chess Festival 2020 Amateurs A | Gibraltar | ENG | 2020-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1574 | 1507 | 1.00 | 4 | -0.63 | 20 | -12.60 | |
|  Bussmann, John | | | 1752 | ENG | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Guardia Bencomo, Tomas | | | 1660 | ESP | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Salas Calvo, Alberto | | | 1645 | ESP | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Reyes, Craig | | | 1240 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | |
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) | | | | Gibraltar International Chess Festival 2020 Amateurs B | Gibraltar | ENG | 2020-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1791 | 1507 | 0.50 | 3 | 0.00 | 20 | 0.00 | |
| | Marani, Luca | | | 1796 | ITA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Murray, J Stephen | | | 1731 | SCO | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Cooper, Malcolm H | | | 1847 | ENG | 0.00 | 1 | -0.12 | 20 | -2.40 | |
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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