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Individual Calculations July 2023 |
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| De Santis, Alessio Total change: 66.20 | |   |
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| European Senior Chess Championship 2023 over 50 - Open | Acqui Terme | ITA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2275 | 2117 | 6.00 | 9 | 3.31 | 20 | 66.20 | |
|  Ronzano, Luca | | | 1745 | ITA | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Atalik, Suat | g | | 2441 | SRB | 1.00 | 1 | 0.87 | 20 | 17.40 | | | Lacasa Diaz, Jose Antonio | m | | 2359 | ESP | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Sigfusson, Sigurdur | f | | 2279 | ISL | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Bellia, Fabrizio | m | | 2393 | ITA | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Prie, Eric | g | | 2352 | FRA | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Arkell, Keith C | g | | 2390 | ENG | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Wacker, Peter | f | | 2265 | GER | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Dieu, Bruno | f | | 2251 | FRA | 1.00 | 1 | 0.68 | 20 | 13.60 | |
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) | | |
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