De Borggraef, Leon April 2023 FIDE Individual Chess Calculations

Individual Calculations April 2023

De Borggraef, Leon Total change: -3.20

Zilveren Toren 2023 Reeks 1 Ronde 7			Various places		BEL	2023-03-11
Rc	Ro			w	n	change	K	*Kchg**	Game
1923	1547			0.00	1	-0.09	20	-1.80

Peleman, Tony		1923	BEL	0.00	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)

Persoonlijke Ligakampioenschappen Antwerpen 2022-2023 Open Ronde 8			Mechelen		BEL	2023-03-12
Rc	Ro			w	n	change	K	*Kchg**	Game
1471	1547			1.00	1	0.40	20	8.00

Vancoppenolle, Ghislain		1471	BEL	1.00	1	0.40	20	8.00
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)

Zilveren Toren 2023 Reeks 1 Ronde 8			Various places		BEL	2023-03-18
Rc	Ro			w	n	change	K	*Kchg**	Game
1568	1547			0.00	1	-0.47	20	-9.40

Tegenbosch, Dirk		1568	BEL	0.00	1	-0.47	20	-9.40
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)

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