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Individual Calculations June 2018 |
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| Peng, David Total change: 22.60 | |   |
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| Illinois Youth Invitational | Schamburg, Illinois | USA | 2018-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2149 | 2340 | 4.50 | 5 | 0.90 | 20 | 18.00 | |
|  Bartochowski, Nicholas | | | 2005 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Kalghatgi, Akhil | | | 2056 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Furfine, Jacob | f | | 2277 | USA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Li, Zhaozhi | m | | 2397 | USA | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Kalghatgi, Nikhil | | | 2012 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | |
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) | | | | 27th Annual Chicago Open | Wheeling, Illinois | USA | 2018-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2295 | 2340 | 4.00 | 7 | 0.23 | 20 | 4.60 | |
| | Li, Beilin | | | 1940 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Preotu, Razvan | g | | 2494 | CAN | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Gurevich, Daniel | m | | 2471 | USA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Graif, William | | | 2130 | CAN | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Schmakel, Sam | f | | 2428 | USA | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Virkud, Apurva | | wf | 2124 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Checa, Nicolas | m | | 2481 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | * 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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