Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sadie, JJH (Johan Jacobus Hendrik)

Chess SA id

198032943

FIDE id

Date of birth

1998-11-09 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1650.4	1623.8	1600.4	1664.1
Raw rating	1650.4	1623.8	1600.4	1664.1
Weighted rating	1617.7	1598.3	1600.3	1655.4
Weighted performance	1244.9	0	0	0
Floor	1150.4	1123.8	1110.8	1164.1
K-factor	28	28	28	28
Min/Max rating change allowed	87.3	90.7	93.7	85.6
Highest rating	1673.9 2018-03-01	1674.6 2018-03-01	1610.8 2018-09-01	1675.1 2018-08-01
Highest raw rating	1650.4 2025-08-01	1623.8 2025-08-01	1610.8 2019-12-01	1664.1 2025-08-01
Highest weighted rating	1614.7 2018-07-01	1615.6 2018-07-01	1610.8 2018-09-01	1652.7 2025-08-01
Highest weighted performance	1673.9 2018-03-01	1674.6 2018-03-01	1546.4 2023-09-01	1675.1 2018-08-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1650.4	1623.8	1600.4	1664.1
Analysis
Rating	1650.4	1623.8	1600.4	1664.1
Raw rating	1650.4	1623.8	1600.4	1664.1
Weighted rating	1617.7	1598.3	1600.3
Weighted performance	1244.9	0	0
K-factor	28	28	28	28
Floor	1150.4	1123.8	1110.8	1164.1
Max/Min rating change allowed	87.3	90.7	93.7	85.6
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	1650.4	1623.8	1600.4	1664.1
New weighted rating	1620.8	1600.8	1600.3	1656.3
New weighted performance	1235.4	0	0	0
Temp new rating	1650.4	1623.8	1600.4	1664.1
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1650.4	1623.8	1600.4	1664.1
New K-factor	28	28	28	28
New floor	1150.4	1123.8	1110.8	1164.1

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	20	11	0	9
	0	0	0	0
	7	0	7	0
	0	0	0	0
	0	0	0	0
History	800	694	43	63

Games since
	Main 20	Standard 11		Rapid 0		Blitz 9
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
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	20	12.5	62.5	106.2	1711.4	1817.7
Standard	11	6.5	59.09	77.3	1617.1	1694.4
Rapid	0	0	0	0	0	0
Blitz	9	6	66.67	141.7	1826.7	1968.4
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	60	38.5	64.17	120.4	1568.2	1688.6
Standard	25	15	60	85	1513.9	1598.9
Rapid	7	4.5	64.29	121.4	1489.4	1610.8
Blitz	28	19	67.86	151.8	1636.5	1788.3

Date	Main	Standard	Rapid	Blitz
2025-11-01	1650.4	1623.8	1600.4	1664.1
2025-09-30	1650.4	1623.8	1600.4	1664.1
2025-09-01	1650.4	1623.8	1600.4	1664.1
2025-08-01	1650.4	1623.8	1600.4	1664.1
2025-07-01	1603.7	1587.5	1600.4	1651.7
2025-06-01	1603.7	1587.5	1600.4	1651.7
2025-05-01	1603.7	1587.5	1600.4	1651.7
2025-04-01	1603.7	1587.5	1600.4	1651.7
2025-03-01	1603.7	1587.5	1600.4	1651.7
2025-02-01	1603.7	1587.5	1600.4	1651.7
2025-01-01	1603.7	1587.5	1600.1	1651.7
2024-12-01	1603.7	1587.5	1600.1	1651.7
2024-11-01	1603.7	1587.5	1600.1	1651.7
2024-10-01	1603.7	1587.5	1600.1	1651.7
2024-09-01	1603.7	1587.5	1600.1	1651.7
2024-08-01	1603.7	1587.5	1600.1	1651.7
2024-07-01	1603.7	1587.5	1600.1	1651.7
2024-09-01	1603.7	1587.5	1600.1	1651.7
2024-05-01	1603.7	1587.5	1600.1	1651.7
2024-04-01	1603.7	1587.5	1600.1	1651.7
2024-03-01	1603.7	1587.5	1600.1	1651.7
2024-02-01	1603.7	1587.5	1600.1	1651.7
2024-01-01	1603.7	1587.5	1600.1	1651.7
2023-12-01	1586.2	1571.6	1595.7	1651.7

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	11	6.5	Yes	Analysis
2	South African Open 2025 (Blitz)	2025-07-02	2025-07-02	Blitz	Johannesburg Metro (GJM)	9	9	6	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	11	6.5	Yes	Analysis
2	South African Open 2025 (Blitz)	2025-07-02	2025-07-02	Blitz	Johannesburg Metro (GJM)	9	9	6	Yes	Analysis
3	Mzansi Spring Rapid 2023	2023-09-02	2023-09-02	Rapid	Johannesburg Metro (GJM)	7	7	4.5	Yes	Analysis
4	Waterkloof Open Fide Blitz 2018	2018-08-02	2018-08-02	Blitz	Tshwane (GTP)	10	10	7	Yes	Analysis
5	2018 USSA Championship (Open)	2018-07-02	2018-07-06	Standard	Gert Sibande (MGS)	9	9	6	Yes	Analysis
6	2018 USSA Championship (Blitz)	2018-07-04	2018-07-04	Blitz	Gert Sibande (MGS)	9	9	6	Yes	Analysis
7	2018 Waterkloof Open (A)	2018-03-03	2018-03-04	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-06-29	rnd 4	type Standard	result 1	date 2025-07-02	rnd 2	type Blitz	result 1
		Opponent Ranoto, T (Tumelo)				Opponent Opperman, N (Naude)
2	5	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 3	type Blitz	result 1	date 2018-08-02	rnd 7	type Blitz	result 1
		Opponent Oberholzer, M (Marni)				Opponent Louw, GN (Gideon)
3	5	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-04	rnd 1	type Blitz	result 1	date 2018-07-04	rnd 5	type Blitz	result 1
		Opponent Mqobongo, N (Nkululeko)				Opponent Babuseng, BM (Benjamin)

#	Games	Start				End
1	4	Tournament 2018 USSA Championship				Tournament South African Open 2025
		date 2018-07-06	rnd 8	type Standard	result 1	date 2025-06-28	rnd 2	type Standard	result 1
		Opponent Kara, N (Nabeel)				Opponent Gemmell, Z (Zac)
2	3	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-03	rnd 8	type Standard	result 0.5	date 2025-07-04	rnd 10	type Standard	result 0.5
		Opponent Hamalala, R (Ronald)				Opponent Khumalo, M (Moletelo)
3	3	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-06-29	rnd 4	type Standard	result 1	date 2025-07-01	rnd 6	type Standard	result 1
		Opponent Ranoto, T (Tumelo)				Opponent Laureles, R (Raymundo)

#	Games	Start				End
1	2	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 6	type Rapid	result 0.5	date 2023-09-02	rnd 7	type Rapid	result 1
		Opponent Mthombeni, S (Sanele)				Opponent Adamson, LJ (Luke)
2	2	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 3	type Rapid	result 1	date 2023-09-02	rnd 4	type Rapid	result 1
		Opponent Madonsela, P (Philani)				Opponent Manaka, L (Lethabo)
3	1	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 1	type Rapid	result 1	date 2023-09-02	rnd 1	type Rapid	result 1
		Opponent Niemann, C (Clara)				Opponent Niemann, C (Clara)

#	Games	Start				End
1	5	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 3	type Blitz	result 1	date 2018-08-02	rnd 7	type Blitz	result 1
		Opponent Oberholzer, M (Marni)				Opponent Louw, GN (Gideon)
2	5	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-04	rnd 1	type Blitz	result 1	date 2018-07-04	rnd 5	type Blitz	result 1
		Opponent Mqobongo, N (Nkululeko)				Opponent Babuseng, BM (Benjamin)
3	4	Tournament Waterkloof Open Fide Blitz 2018				Tournament South African Open 2025
		date 2018-08-02	rnd 9	type Blitz	result 1	date 2025-07-02	rnd 2	type Blitz	result 1
		Opponent Masiya, MA (Mfundo)				Opponent Opperman, N (Naude)

#	Games	Start				End
1	5	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 3	type Blitz	result 1	date 2018-08-02	rnd 7	type Blitz	result 1
		Opponent Oberholzer, M (Marni)				Opponent Louw, GN (Gideon)
2	5	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-04	rnd 1	type Blitz	result 1	date 2018-07-04	rnd 5	type Blitz	result 1
		Opponent Mqobongo, N (Nkululeko)				Opponent Babuseng, BM (Benjamin)
3	3	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-01	rnd 6	type Standard	result 1	date 2025-07-02	rnd 2	type Blitz	result 1
		Opponent Laureles, R (Raymundo)				Opponent Opperman, N (Naude)

#	Games	Start				End
1	4	Tournament 2018 USSA Championship				Tournament South African Open 2025
		date 2018-07-06	rnd 8	type Standard	result 1	date 2025-06-28	rnd 2	type Standard	result 1
		Opponent Kara, N (Nabeel)				Opponent Gemmell, Z (Zac)
2	2	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-04	rnd 5	type Standard	result 1	date 2018-07-05	rnd 6	type Standard	result 1
		Opponent Hendriks, S (Simphiwe)				Opponent Mogotsi, T (Thapelo Daniel)
3	2	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-02	rnd 1	type Standard	result 1	date 2018-07-02	rnd 2	type Standard	result 1
		Opponent Chipumuro, L (Leeroy)				Opponent Barnard, B (Brendon)

#	Games	Start				End
1	2	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 3	type Rapid	result 1	date 2023-09-02	rnd 4	type Rapid	result 1
		Opponent Madonsela, P (Philani)				Opponent Manaka, L (Lethabo)
2	1	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 7	type Rapid	result 1	date 2023-09-02	rnd 7	type Rapid	result 1
		Opponent Adamson, LJ (Luke)				Opponent Adamson, LJ (Luke)
3	1	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 1	type Rapid	result 1	date 2023-09-02	rnd 1	type Rapid	result 1
		Opponent Niemann, C (Clara)				Opponent Niemann, C (Clara)

#	Games	Start				End
1	5	Tournament Waterkloof Open Fide Blitz 2018				Tournament Waterkloof Open Fide Blitz 2018
		date 2018-08-02	rnd 3	type Blitz	result 1	date 2018-08-02	rnd 7	type Blitz	result 1
		Opponent Oberholzer, M (Marni)				Opponent Louw, GN (Gideon)
2	5	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-04	rnd 1	type Blitz	result 1	date 2018-07-04	rnd 5	type Blitz	result 1
		Opponent Mqobongo, N (Nkululeko)				Opponent Babuseng, BM (Benjamin)
3	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 6	type Blitz	result 1	date 2025-07-02	rnd 7	type Blitz	result 1
		Opponent Chikwava, R (Ronald)				Opponent Hamalala, R (Ronald)

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	Nxumalo ,B (Banele)	2	1	0	1	0	-425	0	0	0	1	1	425
1	Nxumalo ,B (Banele)	2	1282.9	1282.9	1	1200	857.9	0	0	0	1	1261.6	1707.9
2	Babuseng ,BM (Benjamin Moitse)	2	2	425	1	1	425	0	0	0	1	1	425
2	Babuseng ,BM (Benjamin Moitse)	2	1576.9	2001.9	1	1570	2001.9	0	0	0	1	1570	2001.9
3	Hamalala ,R (Ronald)	2	1.5	212.5	1	0.5	0	0	0	0	1	1	425
3	Hamalala ,R (Ronald)	2	1706.6	1919.1	1	1711.5	1706.6	0	0	0	1	1217.6	2131.6
4	Masiya ,MA (Mfundo)	2	1	0	0	0	0	0	0	0	2	1	0
4	Masiya ,MA (Mfundo)	2	1970.3	1970.3	0	0	0	0	0	0	2	1863.1	1970.3
5	Mogotsi ,T (Thapelo Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mogotsi ,T (Thapelo Daniel)	1	950.7	1375.7	1	964	1375.7	0	0	0	0	0	0
6	Gemmell ,Z (Zac)	1	1	425	1	1	425	0	0	0	0	0	0
6	Gemmell ,Z (Zac)	1	1592.9	2017.9	1	1589	2017.9	0	0	0	0	0	0
7	Silekwa ,SS (Semmy)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Silekwa ,SS (Semmy)	1	1709	1284	1	1709	1284	0	0	0	0	0	0
8	Palmer ,J (Jesse)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Palmer ,J (Jesse)	1	1722	1297	1	1719.5	1297	0	0	0	0	0	0
9	Murapa ,B (Batsirai)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Murapa ,B (Batsirai)	1	1230.9	805.9	1	1237.2	805.9	0	0	0	0	0	0
10	Kara ,N (Nabeel)	1	1	425	1	1	425	0	0	0	0	0	0
10	Kara ,N (Nabeel)	1	1324.8	1749.8	1	1324.8	1749.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Sadie, JJH (Johan Jacobus Hendrik)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms