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Individual Calculations November 2021 |
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| Chambers, Ezra Total change: 64.80 | |   |
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| Mechanics Institute Tuesday Night Marathon September-October 2021 - 1800 Plus | San Francisco, California | USA | 2021-09-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1875 | 2198 | 5.00 | 5 | 0.78 | 20 | 15.60 | |
|  Drury, Mark | | | 1798 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Weng, Nicholas | | | 1812 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Winslow, Elliott | m | | 2165 | USA | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Fong, Nathan | | | 1803 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Heidari, Ako | | | 1798 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 38th Annual Sands Regency Reno - Western States Open | Reno, Nevada | USA | 2021-10-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 2184 | 4.00 | 6 | 1.23 | 20 | 24.60 | |
| | Nathan, Nitish Sg | c | | 1784 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sorokin, Aleksey | f | | 2532 | RUS | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Tang, Zoey | | | 2057 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Sevillano, Enrico | g | | 2444 | USA | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Matviishen, Viktor | m | | 2510 | UKR | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Ballantyne, Wayne | | | 1978 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | * 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) | | | | 2021 SPICE Cup Open | Clayton, Missouri | USA | 2021-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2259 | 2184 | 4.50 | 8 | 1.23 | 20 | 24.60 | |
| | Rozman, Levy | m | | 2362 | USA | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Amburgy, Ryan | | | 2103 | USA | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Bora, Safal | m | | 2432 | USA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Proleiko, Julian | | | 2180 | USA | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Deshpande, Aaryan | | | 2097 | USA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Ostrovskiy, Aleksa | m | | 2406 | USA | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Singh, Hersh | | | 2100 | USA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Narayanan, Samrug | c | | 2395 | USA | 1.00 | 1 | 0.77 | 20 | 15.40 | |
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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