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Individual Calculations May 2023 |
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| Croasdale, Mark Total change: 0.00 | |   |
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| London Chess League Weekend Congress (31 March) - U1800 | London W6 | ENG | 2023-03-31 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1500 | 0 | 2.50 | 4 | 0.00 | 1520 | | 0.00 | |
|  Prince, Alan R | | | 1635 | ENG | 0.00 | 1 | 0.00 | | 0.00 | | | Pride, Stephen C | | | 1545 | ENG | 1.00 | 1 | 0.00 | | 0.00 | |  Obiols, Biel | | | 1457 | ENG | 0.50 | 1 | 0.00 | | 0.00 | | | Nilim, Armaan | | | 1364 | ENG | 1.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Central London Chess Congress April 2023 - Major Under 2000 | London | ENG | 2023-04-21 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1409 | 0 | 2.00 | 4 | 0.00 | 1409 | | 0.00 | |
| | Boozorginia, Zoya | | | 1311 | ENG | 1.00 | 1 | 0.00 | | 0.00 | | | Gonzales, Ceferino | | | 1537 | PHI | 0.00 | 1 | 0.00 | | 0.00 | | | Siddhartha, Shankar Srivastava | | | 1270 | IND | 0.50 | 1 | 0.00 | | 0.00 | | | Ward-Riggs, Samuel | | | 1516 | ENG | 0.50 | 1 | 0.00 | | 0.00 | |
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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