De Boel, Joren February 2023 FIDE Individual Chess Calculations

Individual Calculations February 2023

De Boel, Joren Total change: -6.00

Zilveren Toren 2023 Reeks 1 Ronde 1			Various places		BEL	2023-01-14
Rc	Ro			w	n	change	K	*Kchg**	Game
1818	1664			0.50	1	0.21	40	8.40

Busschots, Johan		1818	BEL	0.50	1	0.21	40	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)

Zilveren Toren 2023 Reeks 2 Ronde 2			Various places		BEL	2023-01-21
Rc	Ro			w	n	change	K	*Kchg**	Game
1873	1664			0.00	1	-0.23	40	-9.20

Van Den Bossche, Gunter		1873	BEL	0.00	1	-0.23	40	-9.20
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)

NOTE: K factor changed
Zilveren Toren 2023 Reeks 2 Ronde 3			Various places		BEL	2023-01-28
Rc	Ro			w	n	change	K	*Kchg**	Game
1851	1664			0.00	1	-0.26	20	-5.20

Verduyckt, Johan		1851	BEL	0.00	1	-0.26	20	-5.20
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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