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Individual Calculations January 2020 |
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| Liang, Jason Total change: 56.60 | |   |
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| 50th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2294 | 2261 | 4.50 | 6 | 1.72 | 20 | 34.40 | |
|  Ramanathan, Suraj | | | 2003 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Thomforde-Toates, Noah Henry | | | 2094 | USA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Fishbein, Mitch | | | 2151 | USA | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Stripunsky, Alexander | g | | 2500 | USA | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Moradiabadi, Elshan | g | | 2552 | USA | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Brodsky, David | m | | 2466 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | |
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) | | | | 2019 RA December Open | Ottawa | CAN | 2019-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 2296 | 3.00 | 4 | 0.47 | 20 | 9.40 | |
| | Donev, Danail | | | 1896 * | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dukic, Zachary | | | 2189 | CAN | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Sambuev, Bator | g | | 2507 | CAN | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Gordon, David | c | | 2118 | CAN | 0.50 | 1 | -0.23 | 20 | -4.60 | | | * 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) | | | | 2019 Hart House Holidays Open Crown | Toronto | CAN | 2019-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2223 | 2296 | 4.00 | 4 | 1.69 | 20 | 33.80 | |
| | Zhao, Jeffrey R. | | | 1901 | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Puri, Vinny | f | | 2233 | CAN | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Nicholas, Vettese | f | | 2237 | CAN | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Noritsyn, Nikolay | m | | 2521 | CAN | 1.00 | 1 | 0.78 | 20 | 15.60 | |
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) | | | | IM Donaldson Championship 2019 | San Francisco, California | USA | 2019-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2066 | 2296 | 2.00 | 4 | -1.05 | 20 | -21.00 | |
| | Canessa, John Luca | | | 1962 | USA | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Wu, Rochelle | | wm | 2136 | USA | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Sivakumar, Shaaket | | | 1896 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kaufman, Ray | m | | 2269 | CAN | 1.00 | 1 | 0.46 | 20 | 9.20 | | | * 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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