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Individual Calculations December 2018 |
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| Ersoz, Celalettin Total change: 16.80 | |   |
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| 2018-2019 Istanbul Chess Championship - Group I | Istanbul | TUR | 2018-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1442 | 1248 | 1.50 | 5 | 0.20 | 20 | 4.00 | |
|  Yildirim, Yasin | | | 1598 | TUR | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Kabaca, Erdem | | | 1420 | TUR | 0.00 | 1 | -0.27 | 20 | -5.40 | |  Gulmez, Giray Kagan | | | 1302 | TUR | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Ozgur, Sina | | | 1499 | TUR | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Kaya, Mehmet Yigit | | | 1389 | TUR | 0.50 | 1 | 0.19 | 20 | 3.80 | |
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) | | | | 2018-2019 Silivri District Chess Tournament | Istanbul | TUR | 2018-11-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1390 | 1248 | 2.00 | 4 | 0.64 | 20 | 12.80 | |
| | Nukan, Baris Tuna | | | 1648 * | TUR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Dogan, Halit | | | 1415 | TUR | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Celik, Seyfettin Ruzgar | | | 1064 | TUR | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Taktak, Yasar Olcay | | | 1433 | TUR | 0.50 | 1 | 0.24 | 20 | 4.80 | | | * 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) | | |
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