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Individual Calculations December 2015 |
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| Cummings, David H. Total change: 0.60 | |   |
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| World Senior Championship 2015 - over 50 | Acqui Terme | ITA | 2015-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2235 | 2307 | 6.50 | 11 | 0.06 | 10 | 0.60 | |
|  Phillips, Owen S | | | 1941 | ENG | 1.00 | 1 | 0.10 | 10 | 1.00 | |  Vepkhvishvili, Varlam | f | | 2106 | GEO | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Bellia, Fabrizio | m | | 2452 | ITA | 0.00 | 1 | -0.31 | 10 | -3.10 | | | Pogosian, Vladimir | | | 2143 | ARM | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Arkell, Keith C | g | | 2499 | ENG | 0.00 | 1 | -0.25 | 10 | -2.50 | | | Neizvestnykh, Vitalij | | | 2075 | RUS | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Furman, Boris | f | | 2218 | RUS | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Frick, Christoph | | | 2241 | GER | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Gueci, Riccardo | | | 2120 | ITA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Efimov, Igor | g | | 2408 | MNC | 0.50 | 1 | 0.14 | 10 | 1.40 | | | Soylu, Suat | m | | 2377 | TUR | 0.00 | 1 | -0.40 | 10 | -4.00 | |
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) | | |
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