Perez Bolanos, David March 2023 FIDE Individual Chess Calculations

Individual Calculations March 2023

Perez Bolanos, David Total change: -45.20

Belgian Interclubs 2022-2023 Ronde 6			Various Places		BEL	2023-01-29
Rc	Ro			w	n	change	K	*Kchg**	Game
2269	2140			0.50	1	0.17	40	6.80

Hommerson, Paul		2269	NED	0.50	1	0.17	40	6.80
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)

Open Brussels Winter 2023 Round 4			Brussels		BEL	2023-01-30
Rc	Ro			w	n	change	K	*Kchg**	Game
1844	2140			0.50	1	-0.35	40	-14.00

Onrubia-Aviles, Carlos		1844	BEL	0.50	1	-0.35	40	-14.00
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)

Belgian Interclubs 2022-2023 Ronde 7			Various Places		BEL	2023-02-12
Rc	Ro			w	n	change	K	*Kchg**	Game
2047	2140			0.00	1	-0.63	40	-25.20

Van Laeken, Rudy		2047	BEL	0.00	1	-0.63	40	-25.20
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)

Open Brussels Winter 2023 Round 7			Brussels		BEL	2023-02-27
Rc	Ro			w	n	change	K	*Kchg**	Game
1880	2140			0.50	1	-0.32	40	-12.80

Yoro, Samuel		1880	BEL	0.50	1	-0.32	40	-12.80
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)

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