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Individual Calculations February 2018 |
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| Perez, Robert Total change: -1.20 | |   |
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| 27th Annual North American Open | Las Vegas, Nevada | USA | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2287 | 2397 | 5.50 | 9 | -0.06 | 20 | -1.20 | |
|  Sandager, Stephen | | | 2083 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Shen, Shiyan | | | 2019 | CHN | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Ghaem Maghami, Ehsan | g | | 2549 | IRI | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Arun Prasad, S. | g | | 2490 | IND | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Zhang, Xiaopeng | | | 2265 | CHN | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Ravuri, Vinesh | | | 2003 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Daggupati, Balaji | f | | 2270 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Kaliksteyn, Alexander | m | | 2425 | USA | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Patel, Advait | m | | 2478 | 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) | | |
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