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Individual Calculations February 2023 |
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| Khachatryan, Nune Total change: -56.80 | |   |
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| 11th annual Boston Chess Congress - U2100 Section | Boston MA | USA | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1472 | 1617 | 0.00 | 1 | -0.69 | 40 | -27.60 | |
|  Pan, Zachary | | | 1472 | USA | 0.00 | 1 | -0.69 | 40 | -27.60 | |
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) | | | | 55th annual Liberty Bell Open - U2100 | Philadelphia, PA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1472 | 1617 | 2.50 | 5 | -0.95 | 40 | -38.00 | |
| | Diao, Sujia | | | 1491 | USA | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Patel, Maahir M | | | 1547 | USA | 0.00 | 1 | -0.60 | 40 | -24.00 | |  Madiraju, Rishi | | | 1394 | USA | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Cherukuri, Devesh | | | 1509 | USA | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Yang, Aimee | | | 1420 | USA | 0.50 | 1 | -0.25 | 40 | -10.00 | |
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) | | | | 60th Annual Baltimore Open - U2200 | Linthicum Heights, MD | USA | 2023-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1669 | 1617 | 1.50 | 3 | 0.22 | 40 | 8.80 | |
| | Cherukuri, Nitesh | | | 1771 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Brown, Wilbert Alexander | | | 1816 | USA | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Yang, Aimee | | | 1420 | USA | 0.50 | 1 | -0.25 | 40 | -10.00 | |
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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