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Individual Calculations August 2023 |
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| Crompton, Robert Total change: 27.00 | |   |
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| PRAGUE INTERNATIONAL CHESS FESTIVAL 2023 - FIDE open | Prague | CZE | 2023-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1932 | 1498 | 3.00 | 8 | 2.38 | 20 | 47.60 | |
|  Pyrig, Roman | | | 2112 | UKR | 0.00 | 1 | -0.02 | 20 | -0.40 | |  Holliman, Bob | | | 1905 | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Muzik, Roman | | | 1792 | CZE | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Blumel, Otto | | | 1899 | CZE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Barabas, Ales | | | 1824 | CZE | 1.00 | 1 | 0.87 | 20 | 17.40 | | | Szeko, Ludovit | | | 1944 | SVK | 1.00 | 1 | 0.94 | 20 | 18.80 | | | Malczyk, Radoslaw | | | 2054 | POL | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Kania, Markus | | | 1926 | GER | 0.00 | 1 | -0.07 | 20 | -1.40 | |
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) | | | | Coulsdon Chess Daytime Chess Club Summer Term 2023 July | Coulsdon | ENG | 2023-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1098 | 1498 | 1.00 | 1 | 0.08 | 20 | 1.60 | |
| | Shoulders, Andrew M | | | 1098 * | ENG | 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) | | | | Amsterdam Science Park Chess Tournament 2023 - Group C | Amsterdam | NED | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1444 | 1536 | 3.00 | 5 | -0.05 | 20 | -1.00 | |
| | De Wit, Albert | | | 1200 | NED | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Melchers, Bert-Jan | | | 1388 | NED | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Lee, Jungmin | | | 1422 | NED | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Hagen, Tejo | | | 1618 | NED | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Alberti, Milo | | | 1593 | SUI | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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) | | | | 2023 British Championship: AM Under 1900 | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1693 | 1536 | 1.50 | 4 | 0.33 | 20 | 6.60 | |
| | Dean, Robert A | | | 1734 | ENG | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Livesey, R Nigel | | | 1700 | ENG | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Betts, Richard | | | 1738 | ENG | 0.00 | 1 | -0.24 | 20 | -4.80 | | | McKenna, Joshua | | | 1600 | WLS | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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) | | | | 2023 British Championship: PM Under 1750 | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1401 | 1536 | 2.00 | 5 | -1.39 | 20 | -27.80 | |
| | Cuthbert, Larissa | | | 1393 | ENG | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Jestico, John V | | | 1327 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Tomy, Jake | | | 1365 | ENG | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Morris, Nigel W | | | 1386 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Pride, Stephen C | | | 1536 | ENG | 0.00 | 1 | -0.50 | 20 | -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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