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Individual Calculations September 2021 |
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| Cavanah, Troy Total change: 3.38 | |   |
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| 11th Annual Dewain Barber National Tournament of Middle School State Champions | Cherry Hill, New Jersey | USA | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 2006 | 1.50 | 4 | -0.10 | 26 | -2.60 | |
|  Bao, Chris | | | 1606 * | USA | 1.00 | 1 | 0.08 | 26 | 2.08 | |  Chasin, Nico Werner | f | | 2300 | USA | 0.50 | 1 | 0.35 | 26 | 9.10 | | | Vidyarthi, Vyom | c | | 2225 | USA | 0.00 | 1 | -0.22 | 26 | -5.72 | | | Mahajan, Rushaan | c | | 2151 | USA | 0.00 | 1 | -0.31 | 26 | -8.06 | | | * 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) | | | | Castle FIDE - Premiere August 2021 | Bloomington, Minnesota | USA | 2021-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 2006 | 2.00 | 4 | -0.61 | 26 | -15.86 | |
| | Gupta, Aditya | | | 1999 | USA | 0.00 | 1 | -0.51 | 26 | -13.26 | | | Gahlon, Eric Danie | | | 1703 | USA | 1.00 | 1 | 0.14 | 26 | 3.64 | | | Chaudhary, Jay | | | 1905 | USA | 1.00 | 1 | 0.36 | 26 | 9.36 | | | Lee, Linden Marcus | | | 1931 | USA | 0.00 | 1 | -0.60 | 26 | -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) | | | | 2021 Minnesota Masters FIDE Invitational | Plymouth, Minnesota | USA | 2021-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 2006 | 5.00 | 9 | 1.67 | 26 | 43.42 | |
| | Titus, Andrew Lewi | | | 2143 | USA | 0.00 | 1 | -0.32 | 26 | -8.32 | | | Santarius, Erik | m | | 2367 | USA | 0.50 | 1 | 0.40 | 26 | 10.40 | | | Wiebe, Isaac | | | 1997 | CAN | 1.00 | 1 | 0.49 | 26 | 12.74 | | | Lee, Alice | | wc | 1994 | USA | 1.00 | 1 | 0.48 | 26 | 12.48 | | | Iwu, Okechukwu Ane | | | 2097 | USA | 0.00 | 1 | -0.38 | 26 | -9.88 | | | Betaneli, Alex | f | | 2187 | USA | 0.50 | 1 | 0.24 | 26 | 6.24 | | | Jin, Ashton | | | 2074 | USA | 1.00 | 1 | 0.59 | 26 | 15.34 | | | Ulrich, Susanna G | | | 1995 | USA | 1.00 | 1 | 0.48 | 26 | 12.48 | | | Ladan, Nicholas Jo | | | 2149 | USA | 0.00 | 1 | -0.31 | 26 | -8.06 | |
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 North American Youth Chess Championships - Open Under 14 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 2006 | 5.50 | 9 | -0.83 | 26 | -21.58 | |
| | He, Samuel | | | 1606 * | USA | 1.00 | 1 | 0.08 | 26 | 2.08 | | | Feng, Eric | | | 1755 | USA | 1.00 | 1 | 0.19 | 26 | 4.94 | | | Nandhakumar, Vaseegaran | | | 1786 | USA | 0.50 | 1 | -0.28 | 26 | -7.28 | | | Wen, Tommy | | | 1971 | USA | 1.00 | 1 | 0.45 | 26 | 11.70 | | | Jiang, Brandon | | | 2016 | USA | 0.50 | 1 | 0.01 | 26 | 0.26 | | | Wilson, Ronen | | | 1893 | USA | 0.50 | 1 | -0.15 | 26 | -3.90 | | | Xu, Arthur | c | | 1984 | USA | 0.50 | 1 | -0.03 | 26 | -0.78 | | | Shivakumar, Shawnak | | | 1828 | USA | 0.50 | 1 | -0.23 | 26 | -5.98 | | | He, Henry | | | 1680 | USA | 0.00 | 1 | -0.87 | 26 | -22.62 | | | * 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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