Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, HS (Hendrik Stefanus)

Chess SA id

172030853

FIDE id

Date of birth

1972-11-08 (Adult)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1265.8	1256.3	1343.1	1441
Raw rating	1265.8	1256.3	1343.1	1441
Weighted rating	1265.6	1256.1	1337.7	1441
Weighted performance	1001.5	981	0	0
Floor	941	941	941	941
K-factor	32	32	32	32
Min/Max rating change allowed	151	153	135.2	117.6
Highest rating	1441 2019-03-01	1441 2019-03-01	1441 2019-03-01	1441 2019-03-01
Highest raw rating	1441 2019-12-01	1441 2019-12-01	1441 2019-12-01	1441 2024-02-01
Highest weighted rating	1441 2019-03-01	1441 2019-03-01	1441 2019-03-01	1441 2019-03-01
Highest weighted performance	1301.5 2023-05-01	1299.4 2023-05-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1265.8	1256.3	1343.1	1441
Analysis
Rating	1265.8	1256.3	1343.1	1441
Raw rating	1265.8	1256.3	1343.1	1441
Weighted rating	1265.6	1256.1	1337.7
Weighted performance	1001.5	981	0
K-factor	32	32	32	32
Floor	941	941	941	941
Max/Min rating change allowed	151	153	135.2	117.6
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	1265.8	1256.3	1343.1	1441
New weighted rating	1265.7	1256.1	1338.2	1441
New weighted performance	1001.1	980.6	0	0
Temp new rating	1265.8	1256.3	1343.1	1441
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1265.8	1256.3	1343.1	1441
New K-factor	32	32	32	32
New floor	941	941	941	941

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	10	10	0
	86	75	11
	19	19	0
	0	0	0
History	119	108	11

Games since
	Main 26	Standard 15		Rapid 11		Blitz 0
Gender	Male
Age group	Adult
Region	Sedibeng (GSV)
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	115	41.5	36.09	-118.3	1373.3	1255
Standard	104	36.5	35.1	-126.7	1379.4	1252.7
Rapid	11	5	45.45	-38.6	1315.9	1277.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1265.8	1256.3	1343.1	1441
2025-09-01	1265.8	1256.3	1343.1	1441
2025-08-01	1265.8	1256.3	1343.1	1441
2025-07-01	1265.8	1256.3	1343.1	1441
2025-06-01	1265.8	1256.3	1343.1	1441
2025-05-01	1265.8	1256.3	1343.1	1441
2025-04-01	1265.8	1256.3	1343.1	1441
2025-03-01	1265.8	1256.3	1343.1	1441
2025-02-01	1265.8	1256.3	1343.1	1441
2025-01-01	1265.8	1256.3	1329	1441
2024-12-01	1265.8	1256.3	1329	1441
2024-11-01	1265.8	1256.3	1329	1441
2024-10-01	1265.8	1256.3	1329	1441
2024-09-01	1265.8	1256.3	1329	1441
2024-08-01	1265.8	1256.3	1329	1441
2024-07-01	1265.8	1256.3	1329	1441
2024-06-01	1265.8	1256.3	1329	1441
2024-08-01	1265.8	1256.3	1329	1441
2024-04-01	1265.8	1256.3	1329	1441
2024-03-01	1261.8	1252.1	1329	1441
2024-02-01	1261.8	1252.1	1329	1441
2024-01-01	1261.2	1250.5	1329	1441
2023-12-01	1261.2	1250.5	1329	1441
2023-11-01	1259.5	1250.5	1394	1441

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	Laerskool Midvaal Chess Open Section 2024 (A)	2024-02-10	2024-02-10	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
2	2024 Gauteng Inter-Region Chess Championship (Adult B+Fifty+Ladies)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	Ekurhuleni North Chess Club 2023 (A)	2023-12-09	2023-12-09	Rapid	Ekurhuleni (GE)	7	6	2	Yes	Analysis
4	Queens Gambit Chess Open 2023 (A)	2023-11-25	2023-11-25	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
5	Dr Pieter Hangelbroek Rapid 2023 (A)	2023-10-28	2023-10-28	Rapid	Sedibeng (GSV)	5	5	3	Yes	Analysis
6	NG Kerk Vanderbijlpark Suid Open 2023 (A)	2023-08-26	2023-08-26	Standard	Sedibeng (GSV)	5	5	0.5	Yes	Analysis
7	Overvaal Ope Jul 2023 (A)	2023-07-22	2023-07-22	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
8	Eureka Open 2023 (B)	2023-07-29	2023-07-29	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
9	JMC Trinity Little Falls 2023 (B)	2023-07-02	2023-07-02	Standard	Johannesburg Metro (GJM)	5	3	0	Yes	Analysis
10	Wynie Robbertse Open Tournament 2023 (B)	2023-06-03	2023-06-03	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
11	2023 Lubowski Open Tournament (B)	2023-06-24	2023-06-25	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
12	2023 Elize Steenkamp Open Tournament (B)	2023-06-16	2023-06-16	Standard	Tshwane (GTP)	6	6	2	Yes	Analysis
13	Valia's Chess Tournament 2023 (A)	2023-05-06	2023-05-06	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
14	JNW Open - Trinityhouse Little Falls 2023 (B)	2023-05-13	2023-05-13	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
15	2023 Milos Ristic Open Tournament (B)	2023-04-27	2023-04-27	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
16	Overvaal Open 2023 (A+B)	2023-04-15	2023-04-15	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
17	Hoerskool Drie Riviere Open 2023 (A)	2023-03-11	2023-03-11	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
18	Ekurhuleni Springs Open 4 March 2023 (A)	2023-03-04	2023-03-04	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
19	Heidelberg Open 2023 (A)	2023-02-04	2023-02-04	Standard	Sedibeng (GSV)	5	3	0	Yes	Analysis
20	Laerkool Midvaal Chess Open 2023 (A)	2023-01-28	2023-01-28	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
21	Dr Peter Hangelbroek Open 2022 (A+B)	2022-10-29	2022-10-29	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
22	Lux Deo NG Kerk Chess Open 2022 (A+B)	2022-04-09	2022-04-09	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
23	Heidelberg Open 2022 (A)	2022-02-05	2022-02-05	Standard	Sedibeng (GSV)	5	5	0.5	Yes	Analysis
24	Midvaal Ope 2022 (A)	2022-01-29	2022-01-29	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament Laerskool Midvaal Chess Open Section 2024
		date 2024-01-14	rnd 4	type Standard	result 0.5	date 2024-02-10	rnd 1	type Standard	result 1
		Opponent Modisaotsile, B (Botlhale)				Opponent Hanauer, A (Anthony)
2	3	Tournament Queens Gambit Chess Open 2023				Tournament Queens Gambit Chess Open 2023
		date 2023-11-25	rnd 2	type Standard	result 0.5	date 2023-11-25	rnd 4	type Standard	result 1
		Opponent Rantso, MP (Moiloa)				Opponent De Villiers, H (Hj)
3	2	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 3	type Rapid	result 1	date 2023-10-28	rnd 4	type Rapid	result 1
		Opponent Jonker, J (Jaen-Pierre)				Opponent Khumalo, N (Nkosinathi)

#	Games	Start				End
1	3	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament Laerskool Midvaal Chess Open Section 2024
		date 2024-01-14	rnd 4	type Standard	result 0.5	date 2024-02-10	rnd 1	type Standard	result 1
		Opponent Modisaotsile, B (Botlhale)				Opponent Hanauer, A (Anthony)
2	3	Tournament Queens Gambit Chess Open 2023				Tournament Queens Gambit Chess Open 2023
		date 2023-11-25	rnd 2	type Standard	result 0.5	date 2023-11-25	rnd 4	type Standard	result 1
		Opponent Rantso, MP (Moiloa)				Opponent De Villiers, H (Hj)
3	2	Tournament 2023 Elize Steenkamp Open Tournament				Tournament 2023 Elize Steenkamp Open Tournament
		date 2023-06-16	rnd 4	type Standard	result 1	date 2023-06-16	rnd 5	type Standard	result 1
		Opponent Khumalo, N (Nkosinathi)				Opponent Jansen Van Vuuren, L (Luan)

#	Games	Start				End
1	2	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 3	type Rapid	result 1	date 2023-10-28	rnd 4	type Rapid	result 1
		Opponent Jonker, J (Jaen-Pierre)				Opponent Khumalo, N (Nkosinathi)
2	1	Tournament Ekurhuleni North Chess Club 2023				Tournament Ekurhuleni North Chess Club 2023
		date 2023-12-09	rnd 5	type Rapid	result 1	date 2023-12-09	rnd 5	type Rapid	result 1
		Opponent Nickols, C (Corneil)				Opponent Nickols, C (Corneil)
3	1	Tournament Ekurhuleni North Chess Club 2023				Tournament Ekurhuleni North Chess Club 2023
		date 2023-12-09	rnd 2	type Rapid	result 1	date 2023-12-09	rnd 2	type Rapid	result 1
		Opponent Bothma, L (Liandri)				Opponent Bothma, L (Liandri)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament Laerskool Midvaal Chess Open Section 2024
		date 2024-01-14	rnd 5	type Standard	result 1	date 2024-02-10	rnd 1	type Standard	result 1
		Opponent Griffiths, L (Lisa)				Opponent Hanauer, A (Anthony)
2	2	Tournament Queens Gambit Chess Open 2023				Tournament Queens Gambit Chess Open 2023
		date 2023-11-25	rnd 3	type Standard	result 1	date 2023-11-25	rnd 4	type Standard	result 1
		Opponent Spamers, V (Vianey)				Opponent De Villiers, H (Hj)
3	2	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 3	type Rapid	result 1	date 2023-10-28	rnd 4	type Rapid	result 1
		Opponent Jonker, J (Jaen-Pierre)				Opponent Khumalo, N (Nkosinathi)

#	Games	Start				End
1	2	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament Laerskool Midvaal Chess Open Section 2024
		date 2024-01-14	rnd 5	type Standard	result 1	date 2024-02-10	rnd 1	type Standard	result 1
		Opponent Griffiths, L (Lisa)				Opponent Hanauer, A (Anthony)
2	2	Tournament Queens Gambit Chess Open 2023				Tournament Queens Gambit Chess Open 2023
		date 2023-11-25	rnd 3	type Standard	result 1	date 2023-11-25	rnd 4	type Standard	result 1
		Opponent Spamers, V (Vianey)				Opponent De Villiers, H (Hj)
3	2	Tournament 2023 Elize Steenkamp Open Tournament				Tournament 2023 Elize Steenkamp Open Tournament
		date 2023-06-16	rnd 4	type Standard	result 1	date 2023-06-16	rnd 5	type Standard	result 1
		Opponent Khumalo, N (Nkosinathi)				Opponent Jansen Van Vuuren, L (Luan)

#	Games	Start				End
1	2	Tournament Dr Pieter Hangelbroek Rapid 2023				Tournament Dr Pieter Hangelbroek Rapid 2023
		date 2023-10-28	rnd 3	type Rapid	result 1	date 2023-10-28	rnd 4	type Rapid	result 1
		Opponent Jonker, J (Jaen-Pierre)				Opponent Khumalo, N (Nkosinathi)
2	1	Tournament Ekurhuleni North Chess Club 2023				Tournament Ekurhuleni North Chess Club 2023
		date 2023-12-09	rnd 5	type Rapid	result 1	date 2023-12-09	rnd 5	type Rapid	result 1
		Opponent Nickols, C (Corneil)				Opponent Nickols, C (Corneil)
3	1	Tournament Ekurhuleni North Chess Club 2023				Tournament Ekurhuleni North Chess Club 2023
		date 2023-12-09	rnd 2	type Rapid	result 1	date 2023-12-09	rnd 2	type Rapid	result 1
		Opponent Bothma, L (Liandri)				Opponent Bothma, L (Liandri)

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	Khumalo ,N (Nkosinathi)	4	3	212.5	2	2	425	2	1	0	0	0	0
1	Khumalo ,N (Nkosinathi)	4	1207.1	1419.6	2	1204.9	1632.1	2	546.8	1207.1	0	0	0
2	Theron ,A (Andre)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Theron ,A (Andre)	3	1536.4	1111.4	3	1527.3	1111.4	0	0	0	0	0	0
3	Chibase ,N (Nkosana)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Chibase ,N (Nkosana)	3	1614	1189	3	1620.6	1189	0	0	0	0	0	0
4	De Villiers ,OA (Ockert Almaro)	3	0	-425	3	0	-425	0	0	0	0	0	0
4	De Villiers ,OA (Ockert Almaro)	3	1639.4	1214.4	3	1636.9	1214.4	0	0	0	0	0	0
5	Rantso ,MP (Moiloa Petrus)	3	0.5	-283.3	2	0.5	-212.5	1	0	-425	0	0	0
5	Rantso ,MP (Moiloa Petrus)	3	1308.3	1025	2	1291.8	1095.8	1	1271	883.3	0	0	0
6	Mungal ,Z (Zoey)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
6	Mungal ,Z (Zoey)	2	1418.2	1205.7	2	1417.7	1205.7	0	0	0	0	0	0
7	Mittermaier ,G (Gunther)	2	1	0	2	1	0	0	0	0	0	0	0
7	Mittermaier ,G (Gunther)	2	1350.6	1350.6	2	1344.1	1350.6	0	0	0	0	0	0
8	Sidumo ,A (Anga)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Sidumo ,A (Anga)	2	1477.4	1052.4	2	1482.1	1052.4	0	0	0	0	0	0
9	Baloyi ,B (Boikanyo)	2	1	0	2	1	0	0	0	0	0	0	0
9	Baloyi ,B (Boikanyo)	2	1193.1	1193.1	2	1183.9	1193.1	0	0	0	0	0	0
10	Bartman ,T (Themba)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Bartman ,T (Themba)	2	916.5	1128.9	2	924.4	1128.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Pretorius, HS (Hendrik Stefanus)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms