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Individual Calculations February 2018 |
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| Li, Ruifeng Total change: 8.90 | |   |
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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 |
| 2388 | 2569 | 7.00 | 9 | 0.53 | 10 | 5.30 | |
|  Ghatti, Sanjay | f | | 2212 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | |  Wu, Rochelle | | wc | 2169 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Coleman, Teddy | m | | 2386 | USA | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Kavutskiy, Konstantin | m | | 2369 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Li, Zhaozhi | m | | 2412 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Lee, Michael | m | | 2406 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Arun Prasad, S. | g | | 2490 | IND | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Bryant, John Daniel | m | | 2437 | USA | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Sevian, Samuel | g | | 2614 | USA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | * 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) | | | | 9th Annual Golden State Open | Concord, California | USA | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2434 | 2576 | 3.00 | 4 | 0.36 | 10 | 3.60 | |
| | Aigner, Michael | | | 2176 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Wheeler, Cameron | m | | 2392 | USA | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Holt, Conrad | g | | 2578 | USA | 1.00 | 1 | 0.50 | 10 | 5.00 | | | Stukopin, Andrey | g | | 2590 | RUS | 0.50 | 1 | 0.02 | 10 | 0.20 | | | * 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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