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Individual Calculations February 2017 |
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| Ludwig, John Gabriel Total change: 19.60 | |   |
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| 26th Annual North American Open | Las Vegas, Nevada | USA | 2016-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2319 | 2377 | 5.50 | 9 | 0.35 | 20 | 7.00 | |
|  Ke, Ivan | | | 2088 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Zhang, Chao | | | 2207 | USA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Wang, Michael | | | 2165 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Izoria, Zviad | g | | 2604 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Ng, Gary | | | 2249 | CAN | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Li, Ruifeng | m | | 2569 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Li, Ben | f | | 2237 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Chen, Peng | | | 2297 | CHN | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Gurevich, Daniel | m | | 2455 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | |
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) | | | | 3rd Gulf Coast New Year's Open | Fort Myers, Florida | USA | 2017-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2196 | 2377 | 3.50 | 4 | 0.63 | 20 | 12.60 | |
| | Miellier, Yan | | | 2052 | UKR | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Zapletal, Jindrich | | | 2177 | CZE | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Cooke, Eric | | | 2128 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Pozo Vera, Sandro | g | | 2428 | CUB | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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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