Keller, Jean February 2023 FIDE Individual Chess Calculations

Individual Calculations February 2023

Keller, Jean Total change: -2.40

Team 2023 - IDF Janvier			FRANCE		FRA	2023-01-01
Rc	Ro			w	n	change	K	*Kchg**	Game
1416	1511			2.00	2	0.76	20	15.20

Xavier, Ronald		1324	FRA	1.00	1	0.26	20	5.20
Mazaud, Emmanuel		1508	FRA	1.00	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)

Team 2023 - Nationale 4 r4			FRANCE		FRA	2023-01-14
Rc	Ro			w	n	change	K	*Kchg**	Game
1233	1511			0.50	1	-0.33	20	-6.60

Maria Paul, Racheal		1233	FRA	0.50	1	-0.33	20	-6.60
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)

Tournoi des quatre samedis du Perreux-sur-Marne 2022-23 (-1800) r3-4			LE PERREUX SUR MARNE		FRA	2023-01-22
Rc	Ro			w	n	change	K	*Kchg**	Game
1485	1511			0.50	2	-0.55	20	-11.00

Aubin, Alex		1736	FRA	0.00	1	-0.22	20	-4.40
Tercieux, Maxence		1233	FRA	0.50	1	-0.33	20	-6.60
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)

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