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Individual Calculations December 2017 |
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| Welling, Gerard Total change: 3.50 | |   |
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| World Senior Championship 2017 over 50 | Acqui Terme | ITA | 2017-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2195 | 2316 | 7.50 | 11 | 0.35 | 10 | 3.50 | |
|  Astengo, Marcello | | | 1997 | ITA | 1.00 | 1 | 0.13 | 10 | 1.30 | |  Baimurzin, Aitkazy | m | | 2170 | KAZ | 0.00 | 1 | -0.70 | 10 | -7.00 | | | Mazzamuto, Nicola | | | 1934 | ITA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Van Den Bersselaar, Jeroen | | | 2189 | NED | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Verrascina, Roberto | | | 2152 | ITA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Luciani, Carlo | | | 2232 | ITA | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Biro, Sandor | m | | 2168 | ROU | 0.00 | 1 | -0.70 | 10 | -7.00 | | | Chapman, Terry P D | f | | 2196 | ENG | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Larsen, Peter | | | 2286 | DEN | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Bischoff, Klaus | g | | 2513 | GER | 0.50 | 1 | 0.25 | 10 | 2.50 | | | Mantovani, Renzo | m | | 2307 | ITA | 1.00 | 1 | 0.49 | 10 | 4.90 | |
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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