Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Rooy, HF (Herculaas Frederik)

Chess SA id

104040354

FIDE id

Date of birth

2004-09-10 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-02-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1273	1273.6	1079.2	1074
Raw rating	1273	1273.6	1079.2	1074
Weighted rating	1273	1273.6	1079.2	1074
Weighted performance	516.4	448.6	0	0
Floor	806	804.2	579.2	574
K-factor	36	36	40	40
Min/Max rating change allowed	149.4	149.3	197	198.4
Highest rating	1307 2019-08-01	1308.6 2019-08-01	1200 2019-12-01	1200 2024-03-01
Highest raw rating	1306 2020-02-01	1304.2 2020-02-01	1079.2 2024-03-01	1074 2024-03-01
Highest weighted rating	1306 2021-08-01	1304.2 2021-07-01	1079.2 2024-11-01	1074 2024-11-01
Highest weighted performance	1307 2019-08-01	1308.6 2019-08-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1273	1273.6	1079.2	1074
Analysis
Rating	1273	1273.6	1079.2	1074
Raw rating	1273	1273.6	1079.2	1074
Weighted rating	1273	1273.6	1079.2
Weighted performance	516.4	448.6	0
K-factor	36	36	40	40
Floor	806	804.2	579.2	574
Max/Min rating change allowed	149.4	149.3	197	198.4
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	1273	1273.6	1079.2	1074
New weighted rating	1273	1273.6	1079.2	1074
New weighted performance	509.2	441.2	0	0
Temp new rating	1273	1273.6	1079.2	1074
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1273	1273.6	1079.2	1074
New K-factor	36	36	40	40
New floor	806	804.2	579.2	574

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	5	5	0
	5	0	5
History	392	362	30

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	84	47.5	56.55	55.7	1185.1	1240.8
Standard	79	44.5	56.33	53.8	1187.5	1241.3
Rapid	5	3	60	85	1147.9	1232.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1273	1273.6	1079.2	1074
2025-09-30	1273	1273.6	1079.2	1074
2025-09-01	1273	1273.6	1079.2	1074
2025-08-01	1273	1273.6	1079.2	1074
2025-07-01	1273	1273.6	1079.2	1074
2025-06-01	1273	1273.6	1079.2	1074
2025-05-01	1273	1273.6	1079.2	1074
2025-04-01	1273	1273.6	1079.2	1074
2025-03-01	1273	1273.6	1079.2	1074
2025-02-01	1273	1273.6	1079.2	1074
2025-01-01	1273	1273.6	1079.2	1074
2024-12-01	1273	1273.6	1079.2	1074
2024-11-01	1273	1273.6	1079.2	1074
2024-10-01	1273	1273.6	1079.2	1074
2024-09-01	1273	1273.6	1079.2	1074
2024-08-01	1273	1273.6	1079.2	1074
2024-07-01	1273	1273.6	1079.2	1074
2024-09-01	1273	1273.6	1079.2	1074
2024-05-01	1273	1273.6	1079.2	1074
2024-04-01	1273	1273.6	1079.2	1074
2024-03-01	1273	1273.6	1079.2	1074
2024-02-01	1273	1273.6	1079.2	1074
2024-01-01	1273	1273.6	1079.2	1074
2023-12-01	1273	1273.6	1079.2	1074

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	Grey College Team Championship 2022 (A)	2022-02-18	2022-02-19	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
2	2021 Affies Interhuis	2021-10-28	2021-10-28	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
3	Grey College Team Championship 2020 (A)	2020-01-31	2020-02-01	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
4	2019 South African Junior Team Championships (U16B)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
5	2019 Etienne Lewis Trials (U16 Boys)	2019-08-30	2019-09-01	Standard	Tshwane (GTP)	7	5	1.5	Yes	Analysis
6	2019 Mid-Gauteng Open (C)	2019-08-17	2019-08-17	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
7	2019 D4 Tshwane South Schools League Team Finals (U15)	2019-07-27	2019-07-27	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
8	2019 Capablanca Chess Festival (C)	2019-04-19	2019-04-21	Standard	Tshwane (GTP)	7	5	3	Yes	Analysis
9	Grey College Team Championship 2019 (A)	2019-02-22	2019-02-23	Standard	Mangaung (FMB)	5	5	2.5	Yes	Analysis
10	2018 Tshwane Inter Region (U18B)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	6	4	2.5	Yes	Analysis
11	South African Junior Team Championships 2018 (U16B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
12	2018 Etienne Lewis Trials (U16 Boys)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	6	3	Yes	Analysis
13	2018 D4 Tshwane South Schools League Finals (U15)	2018-08-04	2018-08-04	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
14	2018 Lubowski Open (C)	2018-05-12	2018-05-12	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
15	2018 Blou Bul Open (C)	2018-02-17	2018-02-17	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
16	South African Junior Team Championships 2017 (U14C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	6	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2019 D4 Tshwane South Schools League Team Finals				Tournament 2019 Mid-Gauteng Open
		date 2019-07-27	rnd 4	type Standard	result 1	date 2019-08-17	rnd 3	type Standard	result 1
		Opponent Oosthuizen, JR (John)				Opponent Bunganga, L (Lenge)
2	5	Tournament Grey College Team Championship 2019				Tournament 2019 Capablanca Chess Festival
		date 2019-02-23	rnd 4	type Standard	result 1	date 2019-04-20	rnd 3	type Standard	result 0.5
		Opponent Griffiths, D (Daniel)				Opponent Nel, JM (James)
3	5	Tournament South African Junior Team Championships 2017				Tournament 2018 Blou Bul Open
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-02-17	rnd 2	type Standard	result 1
		Opponent Freeman, V (Vianco)				Opponent Booysen, T (Tineke)

#	Games	Start				End
1	5	Tournament 2019 D4 Tshwane South Schools League Team Finals				Tournament 2019 Mid-Gauteng Open
		date 2019-07-27	rnd 4	type Standard	result 1	date 2019-08-17	rnd 3	type Standard	result 1
		Opponent Oosthuizen, JR (John)				Opponent Bunganga, L (Lenge)
2	5	Tournament Grey College Team Championship 2019				Tournament 2019 Capablanca Chess Festival
		date 2019-02-23	rnd 4	type Standard	result 1	date 2019-04-20	rnd 3	type Standard	result 0.5
		Opponent Griffiths, D (Daniel)				Opponent Nel, JM (James)
3	5	Tournament South African Junior Team Championships 2017				Tournament 2018 Blou Bul Open
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-02-17	rnd 2	type Standard	result 1
		Opponent Freeman, V (Vianco)				Opponent Booysen, T (Tineke)

#	Games	Start				End
1	1	Tournament 2021 Affies Interhuis				Tournament 2021 Affies Interhuis
		date 2021-10-28	rnd 5	type Rapid	result 1	date 2021-10-28	rnd 5	type Rapid	result 1
		Opponent Diedericks, M (Mathiam)				Opponent Diedericks, M (Mathiam)
2	1	Tournament 2021 Affies Interhuis				Tournament 2021 Affies Interhuis
		date 2021-10-28	rnd 3	type Rapid	result 1	date 2021-10-28	rnd 3	type Rapid	result 1
		Opponent Visage, S (Sebastiaan)				Opponent Visage, S (Sebastiaan)
3	1	Tournament 2021 Affies Interhuis				Tournament 2021 Affies Interhuis
		date 2021-10-28	rnd 1	type Rapid	result 1	date 2021-10-28	rnd 1	type Rapid	result 1
		Opponent Kunz, D (Dirk)				Opponent Kunz, D (Dirk)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2019 D4 Tshwane South Schools League Team Finals				Tournament 2019 Mid-Gauteng Open
		date 2019-07-27	rnd 4	type Standard	result 1	date 2019-08-17	rnd 3	type Standard	result 1
		Opponent Oosthuizen, JR (John)				Opponent Bunganga, L (Lenge)
2	5	Tournament South African Junior Team Championships 2017				Tournament 2018 Blou Bul Open
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-02-17	rnd 2	type Standard	result 1
		Opponent Freeman, V (Vianco)				Opponent Booysen, T (Tineke)
3	4	Tournament 2018 Blou Bul Open				Tournament 2018 Lubowski Open
		date 2018-02-17	rnd 4	type Standard	result 1	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Jacobs, CN (Calvin Nicholas)				Opponent Bent, C (Cierra)

#	Games	Start				End
1	5	Tournament 2019 D4 Tshwane South Schools League Team Finals				Tournament 2019 Mid-Gauteng Open
		date 2019-07-27	rnd 4	type Standard	result 1	date 2019-08-17	rnd 3	type Standard	result 1
		Opponent Oosthuizen, JR (John)				Opponent Bunganga, L (Lenge)
2	5	Tournament South African Junior Team Championships 2017				Tournament 2018 Blou Bul Open
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-02-17	rnd 2	type Standard	result 1
		Opponent Freeman, V (Vianco)				Opponent Booysen, T (Tineke)
3	4	Tournament 2018 Blou Bul Open				Tournament 2018 Lubowski Open
		date 2018-02-17	rnd 4	type Standard	result 1	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Jacobs, CN (Calvin Nicholas)				Opponent Bent, C (Cierra)

#	Games	Start				End
1	1	Tournament 2021 Affies Interhuis				Tournament 2021 Affies Interhuis
		date 2021-10-28	rnd 5	type Rapid	result 1	date 2021-10-28	rnd 5	type Rapid	result 1
		Opponent Diedericks, M (Mathiam)				Opponent Diedericks, M (Mathiam)
2	1	Tournament 2021 Affies Interhuis				Tournament 2021 Affies Interhuis
		date 2021-10-28	rnd 3	type Rapid	result 1	date 2021-10-28	rnd 3	type Rapid	result 1
		Opponent Visage, S (Sebastiaan)				Opponent Visage, S (Sebastiaan)
3	1	Tournament 2021 Affies Interhuis				Tournament 2021 Affies Interhuis
		date 2021-10-28	rnd 1	type Rapid	result 1	date 2021-10-28	rnd 1	type Rapid	result 1
		Opponent Kunz, D (Dirk)				Opponent Kunz, D (Dirk)

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	Nayagar ,V (Veshaan)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Nayagar ,V (Veshaan)	2	1274.1	849.1	2	1274.1	849.1	0	0	0	0	0	0
2	Nel ,JM (James Muller)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
2	Nel ,JM (James Muller)	2	1279.7	1492.2	2	1274.9	1492.2	0	0	0	0	0	0
3	Oosthuizen ,JR (John Robert)	2	2	425	2	2	425	0	0	0	0	0	0
3	Oosthuizen ,JR (John Robert)	2	1043.9	1468.9	2	1047.4	1468.9	0	0	0	0	0	0
4	Malan ,HB (Hendrik Benjamin)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
4	Malan ,HB (Hendrik Benjamin)	2	1141.7	1354.2	2	1143.4	1354.2	0	0	0	0	0	0
5	Chitanganya ,P (Prince)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Chitanganya ,P (Prince)	1	1165.4	740.4	1	1157.6	740.4	0	0	0	0	0	0
6	Bent ,C (Cierra)	1	1	425	1	1	425	0	0	0	0	0	0
6	Bent ,C (Cierra)	1	988.5	1413.5	1	991.8	1413.5	0	0	0	0	0	0
7	Du Plooy ,K (Konrad)	1	1	425	1	1	425	0	0	0	0	0	0
7	Du Plooy ,K (Konrad)	1	999.5	1424.5	1	997.1	1424.5	0	0	0	0	0	0
8	Pule ,L (Lesedi)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Pule ,L (Lesedi)	1	1278.2	853.2	1	1276	853.2	0	0	0	0	0	0
9	Kotze ,CJ (Christiaan Jacob)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Kotze ,CJ (Christiaan Jacob)	1	1537.5	1112.5	1	1556.7	1112.5	0	0	0	0	0	0
10	Xongwana ,S (Sahlulelo Ashere)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Xongwana ,S (Sahlulelo Ashere)	1	1485.8	1060.8	1	1483.7	1060.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Van Rooy, HF (Herculaas Frederik)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms