Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Dyk, SJ (Sarel Johannes)

Chess SA id

109088591

FIDE id

Date of birth

2009-08-13 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-06-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1293.7	1295.3	608.5	600
Raw rating	1293.7	1295.3	608.5	600
Weighted rating	1293.7	1295.3	608.5	600
Weighted performance	773.1	687.1	0	0
Floor	797.9	801.1	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	145.1	144.8	385.1	389.8
Highest rating	1297.9 2022-02-01	1301.1 2022-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1297.9 2022-02-01	1301.1 2022-02-01	608.5 2024-02-01	600 2024-02-01
Highest weighted rating	1297.9 2024-01-01	1301.1 2023-12-01	608.5 2024-11-01	600 2024-11-01
Highest weighted performance	1272.8 2019-05-01	1264 2019-05-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1293.7	1295.3	608.5	600
Analysis
Rating	1293.7	1295.3	608.5	600
Raw rating	1293.7	1295.3	608.5	600
Weighted rating	1293.7	1295.3	608.5
Weighted performance	773.1	687.1	0
K-factor	36	36	40	40
Floor	797.9	801.1	500	500
Max/Min rating change allowed	145.1	144.8	385.1	389.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1293.7	1295.3	608.5	600
New weighted rating	1293.7	1295.3	608.5	600
New weighted performance	772.7	686.6	0	0
Temp new rating	1293.7	1295.3	608.5	600
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1293.7	1295.3	608.5	600
New K-factor	36	36	40	40
New floor	797.9	801.1	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	17	10	7
	10	10	0
History	140	133	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	114	74.5	65.35	130.5	1067.7	1198.2
Standard	107	67.5	63.08	111.2	1059.6	1170.8
Rapid	7	7	100	425	1190.8	1615.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1293.7	1295.3	608.5	600
2025-09-01	1293.7	1295.3	608.5	600
2025-08-01	1293.7	1295.3	608.5	600
2025-07-01	1293.7	1295.3	608.5	600
2025-06-01	1293.7	1295.3	608.5	600
2025-05-01	1293.7	1295.3	608.5	600
2025-04-01	1293.7	1295.3	608.5	600
2025-03-01	1293.7	1295.3	608.5	600
2025-02-01	1293.7	1295.3	608.5	600
2025-01-01	1293.7	1295.3	608.5	600
2024-12-01	1293.7	1295.3	608.5	600
2024-11-01	1293.7	1295.3	608.5	600
2024-10-01	1293.7	1295.3	608.5	600
2024-09-01	1293.7	1295.3	608.5	600
2024-08-01	1293.7	1295.3	608.5	600
2024-07-01	1293.7	1295.3	608.5	600
2024-06-01	1293.7	1295.3	608.5	600
2024-08-01	1293.7	1295.3	608.5	600
2024-04-01	1293.7	1295.3	608.5	600
2024-03-01	1293.7	1295.3	608.5	600
2024-02-01	1293.7	1295.3	608.5	600
2024-01-01	1293.7	1295.3	608.5	600
2023-12-01	1293.7	1295.3	600	600
2023-11-01	1293.7	1295.3	600	600

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Gauteng North District Individual Chess Finals 2022 (U13 Open)	2022-06-11	2022-06-11	Rapid	Tshwane (GTP)	7	7	7	Yes	Analysis
2	2022 Gauteng Schools Individual Chess Championship (U13 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	2022 Tshwane Chess Open Registration Tournament (C1)	2022-01-29	2022-01-29	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2021 Lardies Ope (C)	2021-10-30	2021-10-30	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
5	2021 Chris Greyling Open Tournament (C)	2021-05-08	2021-05-08	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
6	2020 Constantiapark Open Chess Tournament (C)	2020-02-08	2020-02-08	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
7	2019 Gauteng Primary Schools Individual Chess Championships (U11 Boys)	2019-05-25	2019-05-25	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
8	2019 D1 School Individual Finals (U11 Boys)	2019-04-13	2019-04-13	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
9	2019 Chris Greyling (C)	2019-04-27	2019-04-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
10	2019 Capablanca Chess Festival (C)	2019-04-19	2019-04-21	Standard	Tshwane (GTP)	7	7	3.5	Yes	Analysis
11	2019 Tshwane Chess Registration Tournament (C)	2019-01-26	2019-01-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
12	2018 Tshwane Inter Region (U12B)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
13	South African Junior Team Championships 2018 (U10B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
14	2018 Lardies Ope (C)	2018-10-27	2018-10-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
15	2018 Jakaranda (H)	2018-09-22	2018-09-22	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
16	2018 Etienne Lewis Trials (U10 Boys)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	7	4.5	Yes	Analysis
17	2018 D1 Gauteng North Individual Chess Championships (U9 Boys)	2018-05-19	2018-05-19	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
18	2018 Chris Greyling Open (D)	2018-04-21	2018-04-21	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
19	2018 Capablanca Swiss (D)	2018-04-27	2018-04-27	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
20	2018 Tshwane Registration Open Chess Tournament (D)	2018-01-27	2018-01-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
21	South African Junior Team Championships 2017 (U10C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	7	Yes	Analysis

#	Games	Start				End
1	8	Tournament Gauteng North District Individual Chess Finals 2022				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-11	rnd 1	type Rapid	result 1	date 2022-06-18	rnd 1	type Standard	result 1
		Opponent Matsha, S (Surprice)				Opponent Ligthelm, H (Henko)
2	7	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-08	rnd 7	type Standard	result 1
		Opponent Van Wyk, J (Jonathan)				Opponent Muller, N (Noa)
3	6	Tournament 2018 D1 Gauteng North Individual Chess Championships				Tournament 2018 Etienne Lewis Trials
		date 2018-05-19	rnd 1	type Standard	result 1	date 2018-08-31	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, AP (Altus Philip)				Opponent Mostert, M (Mj)

#	Games	Start				End
1	7	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-08	rnd 7	type Standard	result 1
		Opponent Van Wyk, J (Jonathan)				Opponent Muller, N (Noa)
2	6	Tournament 2018 D1 Gauteng North Individual Chess Championships				Tournament 2018 Etienne Lewis Trials
		date 2018-05-19	rnd 1	type Standard	result 1	date 2018-08-31	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, AP (Altus Philip)				Opponent Mostert, M (Mj)
3	6	Tournament 2018 Chris Greyling Open				Tournament 2018 Capablanca Swiss
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-04-27	rnd 4	type Standard	result 1
		Opponent Makwetu, B (Bonga)				Opponent Swanepoel, D (Darius)

#	Games	Start				End
1	7	Tournament Gauteng North District Individual Chess Finals 2022				Tournament Gauteng North District Individual Chess Finals 2022
		date 2022-06-11	rnd 1	type Rapid	result 1	date 2022-06-11	rnd 7	type Rapid	result 1
		Opponent Matsha, S (Surprice)				Opponent Van Rooyen, M (Marcel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Gauteng North District Individual Chess Finals 2022				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-11	rnd 1	type Rapid	result 1	date 2022-06-18	rnd 1	type Standard	result 1
		Opponent Matsha, S (Surprice)				Opponent Ligthelm, H (Henko)
2	7	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-08	rnd 7	type Standard	result 1
		Opponent Van Wyk, J (Jonathan)				Opponent Muller, N (Noa)
3	6	Tournament 2018 Chris Greyling Open				Tournament 2018 Capablanca Swiss
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-04-27	rnd 4	type Standard	result 1
		Opponent Makwetu, B (Bonga)				Opponent Swanepoel, D (Darius)

#	Games	Start				End
1	7	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-08	rnd 7	type Standard	result 1
		Opponent Van Wyk, J (Jonathan)				Opponent Muller, N (Noa)
2	6	Tournament 2018 Chris Greyling Open				Tournament 2018 Capablanca Swiss
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-04-27	rnd 4	type Standard	result 1
		Opponent Makwetu, B (Bonga)				Opponent Swanepoel, D (Darius)
3	5	Tournament 2019 D1 School Individual Finals				Tournament 2019 D1 School Individual Finals
		date 2019-04-13	rnd 1	type Standard	result 1	date 2019-04-13	rnd 5	type Standard	result 1
		Opponent Masina, S (Sihle)				Opponent Bavuma, S (Saneliso)

#	Games	Start				End
1	7	Tournament Gauteng North District Individual Chess Finals 2022				Tournament Gauteng North District Individual Chess Finals 2022
		date 2022-06-11	rnd 1	type Rapid	result 1	date 2022-06-11	rnd 7	type Rapid	result 1
		Opponent Matsha, S (Surprice)				Opponent Van Rooyen, M (Marcel)

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Van Rooyen ,M (Marcel)	3	2.5	283.3	2	1.5	212.5	1	1	425	0	0	0
1	Van Rooyen ,M (Marcel)	3	1044.8	1328.2	2	968.1	1257.3	1	719	1469.8	0	0	0
2	Lourens ,J (Jurgen)	2	2	425	2	2	425	0	0	0	0	0	0
2	Lourens ,J (Jurgen)	2	1177.4	1602.4	2	1150.4	1602.4	0	0	0	0	0	0
3	Liang ,YX (Yi-Xuan (Bowie))	2	1	0	2	1	0	0	0	0	0	0	0
3	Liang ,YX (Yi-Xuan (Bowie))	2	1111	1111	2	1111.2	1111	0	0	0	0	0	0
4	Nel ,A (Armand)	2	1	0	2	1	0	0	0	0	0	0	0
4	Nel ,A (Armand)	2	836.3	836.3	2	821.5	836.3	0	0	0	0	0	0
5	Anderson ,AP (Aidan Pierre)	2	1	0	2	1	0	0	0	0	0	0	0
5	Anderson ,AP (Aidan Pierre)	2	1040.8	1040.8	2	1038.2	1040.8	0	0	0	0	0	0
6	Malan ,HB (Hendrik Benjamin)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Malan ,HB (Hendrik Benjamin)	2	1283.9	858.9	2	1282.8	858.9	0	0	0	0	0	0
7	Venter ,Z (Zanri)	2	2	425	2	2	425	0	0	0	0	0	0
7	Venter ,Z (Zanri)	2	1126.7	1551.7	2	1110.9	1551.7	0	0	0	0	0	0
8	Van Nieuwenhuizen ,BF (Bernard Francois)	2	1	0	2	1	0	0	0	0	0	0	0
8	Van Nieuwenhuizen ,BF (Bernard Francois)	2	824.5	824.5	2	831.2	824.5	0	0	0	0	0	0
9	Timmerman ,ME (Mischke Enya)	2	1	0	2	1	0	0	0	0	0	0	0
9	Timmerman ,ME (Mischke Enya)	2	925.3	925.3	2	919.7	925.3	0	0	0	0	0	0
10	Venter ,D (Dian)	2	2	425	1	1	425	1	1	425	0	0	0
10	Venter ,D (Dian)	2	1059.2	1484.2	1	951.6	1484.2	1	1200	1484.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Dyk, SJ (Sarel Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms