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Individual Calculations January 2018 |
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| Tahaoglu, Erson Total change: 6.80 | |   |
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| 2017-2018 Istanbul Senior Chess Championship - B | Istanbul | TUR | 2017-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1596 | 1415 | 1.00 | 5 | -0.50 | 20 | -10.00 | |
|  Sancak, Ismet | | | 1815 * | TUR | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Celik, Fadil | | | 1192 | TUR | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Yapici, Mustafa | | | 1735 | TUR | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Yilmaz, Ozel Can | | | 1508 | TUR | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Elmas, Mustafa | | | 1729 | TUR | 0.00 | 1 | -0.14 | 20 | -2.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2017-2018 Sinop Chess Championship | Sinop | TUR | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1599 | 1415 | 2.00 | 4 | 0.84 | 20 | 16.80 | |
| | Kuseyri, Mehmet Ali | | | 1815 * | TUR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Oz, Engin | | | 1345 | TUR | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Cakmak, Hayri | | | 1606 | TUR | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Tahaoglu, Erkin | | | 1628 | TUR | 0.00 | 1 | -0.23 | 20 | -4.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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