Perez, David March 2023 FIDE Individual Chess Calculations

Individual Calculations March 2023

Perez, David Total change: 25.60

Open Brussels Winter 2023 Round 4			Brussels		BEL	2023-01-30
Rc	Ro			w	n	change	K	*Kchg**	Game
1561	1423			0.00	1	-0.31	40	-12.40

De Harlez, Guillaume		1561	BEL	0.00	1	-0.31	40	-12.40
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)

Open Brussels Winter 2023 Rounds 5-6			Brussels		BEL	2023-02-06
Rc	Ro			w	n	change	K	*Kchg**	Game
1479	1423			2.00	2	1.15	40	46.00

Joenck, Christopher		1428	BEL	1.00	1	0.51	40	20.40
Van De Craen, Piet		1529	BEL	1.00	1	0.64	40	25.60
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)

Open Brussels Winter 2023 Round 7			Brussels		BEL	2023-02-27
Rc	Ro			w	n	change	K	*Kchg**	Game
1661	1423			0.00	1	-0.20	40	-8.00

De Saedeleer, Sam		1661	BEL	0.00	1	-0.20	40	-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)

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