Individual Calculations October 2018 |
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Nastasio, Davide Total change: -12.40 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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4th Annual American Chess Promotions Open | Chamblee, Georgia | USA | 2018-08-31 |
Rc | Ro | w | n | change | K | K*chg | Game |
1926 | 1878 | 1.00 | 3 | -0.31 | 40 | -12.40 | |
| Parker, Anthony | | | 2043 | USA | 0.00 | 1 | -0.28 | 40 | -11.20 | | Avirneni, Saithanusri | | | 1695 | USA | 0.50 | 1 | -0.24 | 40 | -9.60 | | Mbonu, David | | | 2039 | USA | 0.50 | 1 | 0.21 | 40 | 8.40 | | 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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