Chess South Africa Ratings Database

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Personal

Nelson, WJH (William Jacobus Hattingh)

Chess SA id

178027309

FIDE id

Date of birth

1978-02-03 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

CPA,FI

Chess SA registered

Last active game

2025-05-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1999.7	2023.5	1918.8	1949
Raw rating	1999.7	2023.5	1918.8	1949
Weighted rating	1979.5	2001.1	1918.8	1948.6
Weighted performance	1850.7	1859.4	0	0
Floor	1499.7	1523.5	1418.8	1449
K-factor	40	20	24	24
Min/Max rating change allowed	53.1	51.3	59.5	57
Highest rating	2066.8 2018-01-01	2066.8 2018-01-01	1918.8 2019-02-01	1949 2024-02-01
Highest raw rating	1999.7 2025-06-01	2023.5 2025-06-01	1918.8 2024-02-01	1949 2024-02-01
Highest weighted rating	1973 2025-08-01	1993.8 2025-08-01	1918.8 2019-02-01	1947.6 2025-08-01
Highest weighted performance	2066.8 2018-01-01	2066.8 2018-01-01	1200 2024-02-01	1887.2 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1999.7	2023.5	1918.8	1949
Analysis
Rating	1999.7	2023.5	1918.8	1949
Raw rating	1999.7	2023.5	1918.8	1949
Weighted rating	1979.5	2001.1	1918.8
Weighted performance	1850.7	1859.4	0
K-factor	40	20	24	24
Floor	1499.7	1523.5	1418.8	1449
Max/Min rating change allowed	53.1	51.3	59.5	57
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	1999.7	2023.5	1918.8	1949
New weighted rating	1982.2	2004	1918.8	1948.9
New weighted performance	1850	1858.7	0	0
Temp new rating	1999.7	2023.5	1918.8	1949
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1999.7	2023.5	1918.8	1949
New K-factor	40	20	24	24
New floor	1499.7	1523.5	1418.8	1449

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	10	10	0	0
	10	10	0	0
	22	22	0	0
	18	11	0	7
	25	25	0	0
History	805	749	27	29

Games since
	Main 30	Standard 30		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	46		21		8
Male	45		20		8
Adult	32		15		7
Adult Male	32		15		7
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	10	9.5	95	382.5	1733.9	2116.4
Standard	10	9.5	95	382.5	1733.9	2116.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	196	121.5	61.99	101.9	1765.9	1867.8
Standard	182	113.5	62.36	105.1	1748.6	1853.7
Rapid	0	0	0	0	0	0
Blitz	14	8	57.14	60.7	1990.8	2051.6

Date	Main	Standard	Rapid	Blitz
2025-09-30	1999.7	2023.5	1918.8	1949
2025-09-01	1999.7	2023.5	1918.8	1949
2025-08-01	1999.7	2023.5	1918.8	1949
2025-07-01	1999.7	2023.5	1918.8	1949
2025-06-01	1999.7	2023.5	1918.8	1949
2025-05-01	1976	1996	1918.8	1949
2025-04-01	1976	1996	1918.8	1949
2025-03-01	1976	1996	1918.8	1949
2025-02-01	1966.8	1987	1918.8	1949
2025-01-01	1966.8	1987	1918.8	1949
2024-12-01	1966.8	1987	1918.8	1949
2024-11-01	1966.8	1987	1918.8	1949
2024-10-01	1966.8	1987	1918.8	1949
2024-09-01	1966.8	1987	1918.8	1949
2024-08-01	1966.8	1987	1918.8	1949
2024-07-01	1969.6	1992	1918.8	1949
2024-06-01	1969.6	1992	1918.8	1949
2024-08-01	1969.6	1992	1918.8	1949
2024-04-01	1969.6	1992	1918.8	1949
2024-03-01	1969.6	1992	1918.8	1949
2024-02-01	1945.7	1964.4	1918.8	1949
2024-01-01	1945.7	1964.4	1918.8	1949
2023-12-01	1882.6	1889	1918.8	1907.3
2023-11-01	1882.6	1889	1918.8	1907.3

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	2025 Silver Lakes Chess Club Open Chess Tournament (A)	2025-05-03	2025-05-03	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
2	Constantiapark Open 2025 (A)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Silver Lakes Chess Club Open Chess Tournament (A)	2025-05-03	2025-05-03	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
2	Constantiapark Open 2025 (A)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
3	Menlopark Open Chess Tournament 2024 (A)	2024-07-13	2024-07-13	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
4	2024 Tshwane Chess AHS Open Chess Tournament (Prestige)	2024-02-24	2024-02-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	Lardies Open Tournament 2023 (Prestige)	2023-10-08	2023-10-08	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	2023 Tuks Open Chess Tournament (A)	2023-10-07	2023-10-07	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
7	2023 Menlo Open Tournament (A)	2023-07-22	2023-07-22	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
8	Wynie Robbertse Open Tournament 2023 (A)	2023-06-03	2023-06-03	Standard	Tshwane (GTP)	5	3	2.5	Yes	Analysis
9	2023 Lubowski Open Tournament (A)	2023-06-24	2023-06-25	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
10	South African Open 2022 (Championship)	2022-07-09	2022-07-17	Standard	Cape Town (WCT)	11	11	7	Yes	Analysis
11	Chessheroes Choo Choo Challenge 2022	2022-01-08	2022-01-08	Blitz	Tshwane (GTP)	7	7	4	Yes	Analysis
12	2021 Milos Ristic Open (A)	2021-10-09	2021-10-09	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
13	2021 Lardies Ope (A+B)	2021-10-29	2021-10-29	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
14	2021 Chris Greyling Open Tournament (A)	2021-05-08	2021-05-08	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
15	2021 Blou Bul Tournament (A)	2021-04-10	2021-04-10	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
16	Ekurhuleni Chess Chessa Open 2021 (Elite)	2021-03-27	2021-03-28	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
17	2020 Boardwalk Pearson Open Chess Festival (Prestige)	2020-03-13	2020-03-15	Standard	Nelson Mandela Bay (ENM)	7	7	4	Yes	Analysis
18	2020 Waterkloof Open (A)	2020-02-29	2020-03-01	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
19	2020 Piet Robbertse (A)	2020-01-31	2020-02-02	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
20	2019 South African Juior Blitz Championship (A)	2020-01-05	2020-01-05	Blitz	4 Knights (4K)	7	7	4	Yes	Analysis
21	2019 Lardies Open (A)	2019-10-26	2019-10-26	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
22	2019 Alekhine Open (A)	2019-08-09	2019-08-10	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
23	2019 Chris Greyling (A)	2019-04-27	2019-04-27	Standard	Tshwane (GTP)	5	2	0	Yes	Analysis
24	2019 Waterkloof Open (A)	2019-03-02	2019-03-03	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
25	2019 Boardwalk Pearson Open (Open)	2019-03-28	2019-03-31	Standard	Nelson Mandela Bay (ENM)	9	9	6	Yes	Analysis
26	2019 TuksChess Open (A)	2019-02-23	2019-02-23	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
27	2019 Piet Robbertse (A)	2019-02-01	2019-02-03	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
28	2019 Constantia Park Open (A)	2019-02-09	2019-02-09	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
29	2019 Tshwane Chess Registration Tournament (A)	2019-01-26	2019-01-26	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
30	2018 Lardies Ope (A)	2018-10-27	2018-10-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
31	2018 Sedibeng Summer Open (A)	2018-10-20	2018-10-20	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
32	2018 Alekhine Open (A)	2018-08-09	2018-08-11	Standard	Tshwane (GTP)	6	6	3.5	Yes	Analysis
33	2018 Menlo Open Chess Tournament (A)	2018-07-21	2018-07-21	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
34	2018 Capablanca RR (A)	2018-04-26	2018-05-01	Standard	Tshwane (GTP)	9	9	4.5	Yes	Analysis
35	2018 Boardwalk Pearson Open (A)	2018-03-16	2018-03-18	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
36	2018 Tshwane Registration Open Chess Tournament (A)	2018-01-27	2018-01-27	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	13	Tournament South African Open 2022				Tournament 2023 Menlo Open Tournament
		date 2022-07-16	rnd 9	type Standard	result 0.5	date 2023-07-22	rnd 2	type Standard	result 1
		Opponent Bouah, D (Denise)				Opponent Jacobs, CL (Cavan)
2	12	Tournament Menlopark Open Chess Tournament 2024				Tournament 2025 Silver Lakes Chess Club Open Chess Tournament
		date 2024-07-13	rnd 4	type Standard	result 1	date 2025-05-03	rnd 5	type Standard	result 1
		Opponent Takaindisa, A (Abel)				Opponent Dinham, J (James)
3	7	Tournament 2019 South African Juior Blitz Championship				Tournament 2020 Waterkloof Open
		date 2020-01-05	rnd 7	type Blitz	result 0.5	date 2020-02-29	rnd 1	type Standard	result 1
		Opponent Zwakala, N (Ntando)				Opponent Badenhorst, C (Chloe)

#	Games	Start				End
1	13	Tournament South African Open 2022				Tournament 2023 Menlo Open Tournament
		date 2022-07-16	rnd 9	type Standard	result 0.5	date 2023-07-22	rnd 2	type Standard	result 1
		Opponent Bouah, D (Denise)				Opponent Jacobs, CL (Cavan)
2	12	Tournament Menlopark Open Chess Tournament 2024				Tournament 2025 Silver Lakes Chess Club Open Chess Tournament
		date 2024-07-13	rnd 4	type Standard	result 1	date 2025-05-03	rnd 5	type Standard	result 1
		Opponent Takaindisa, A (Abel)				Opponent Dinham, J (James)
3	7	Tournament 2019 Lardies Open				Tournament 2020 Waterkloof Open
		date 2019-10-26	rnd 5	type Standard	result 1	date 2020-02-29	rnd 1	type Standard	result 1
		Opponent Smit, YH (Yoshua)				Opponent Badenhorst, C (Chloe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Chessheroes Choo Choo Challenge 2022				Tournament Chessheroes Choo Choo Challenge 2022
		date 2022-01-08	rnd 4	type Blitz	result 0.5	date 2022-01-08	rnd 6	type Blitz	result 1
		Opponent Wilken, JB (Justin)				Opponent Potgieter, E (Edward)
2	3	Tournament 2019 South African Juior Blitz Championship				Tournament Chessheroes Choo Choo Challenge 2022
		date 2020-01-05	rnd 7	type Blitz	result 0.5	date 2022-01-08	rnd 2	type Blitz	result 0.5
		Opponent Zwakala, N (Ntando)				Opponent Makoto, R (Rodwell)
3	2	Tournament 2019 South African Juior Blitz Championship				Tournament 2019 South African Juior Blitz Championship
		date 2020-01-05	rnd 4	type Blitz	result 1	date 2020-01-05	rnd 5	type Blitz	result 0.5
		Opponent Swart, G (George)				Opponent Mthunzi, B (Brighton)

#	Games	Start				End
1	8	Tournament Constantiapark Open 2025				Tournament 2025 Silver Lakes Chess Club Open Chess Tournament
		date 2025-02-15	rnd 3	type Standard	result 1	date 2025-05-03	rnd 5	type Standard	result 1
		Opponent Coetsee, D (Dewald)				Opponent Dinham, J (James)
2	5	Tournament 2020 Boardwalk Pearson Open Chess Festival				Tournament Ekurhuleni Chess Chessa Open 2021
		date 2020-03-14	rnd 5	type Standard	result 1	date 2021-03-27	rnd 2	type Standard	result 1
		Opponent Felix, R (Raphael)				Opponent Weisz, B (Benjamin)
3	4	Tournament 2023 Lubowski Open Tournament				Tournament 2023 Menlo Open Tournament
		date 2023-06-25	rnd 4	type Standard	result 1	date 2023-07-22	rnd 2	type Standard	result 1
		Opponent Jacobs, CN (Calvin Nicholas)				Opponent Jacobs, CL (Cavan)

#	Games	Start				End
1	8	Tournament Constantiapark Open 2025				Tournament 2025 Silver Lakes Chess Club Open Chess Tournament
		date 2025-02-15	rnd 3	type Standard	result 1	date 2025-05-03	rnd 5	type Standard	result 1
		Opponent Coetsee, D (Dewald)				Opponent Dinham, J (James)
2	5	Tournament 2020 Boardwalk Pearson Open Chess Festival				Tournament Ekurhuleni Chess Chessa Open 2021
		date 2020-03-14	rnd 5	type Standard	result 1	date 2021-03-27	rnd 2	type Standard	result 1
		Opponent Felix, R (Raphael)				Opponent Weisz, B (Benjamin)
3	4	Tournament 2023 Lubowski Open Tournament				Tournament 2023 Menlo Open Tournament
		date 2023-06-25	rnd 4	type Standard	result 1	date 2023-07-22	rnd 2	type Standard	result 1
		Opponent Jacobs, CN (Calvin Nicholas)				Opponent Jacobs, CL (Cavan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chessheroes Choo Choo Challenge 2022				Tournament Chessheroes Choo Choo Challenge 2022
		date 2022-01-08	rnd 5	type Blitz	result 1	date 2022-01-08	rnd 6	type Blitz	result 1
		Opponent Mathivha, PA (Phathutshedzo)				Opponent Potgieter, E (Edward)
2	2	Tournament 2019 South African Juior Blitz Championship				Tournament 2019 South African Juior Blitz Championship
		date 2020-01-05	rnd 1	type Blitz	result 1	date 2020-01-05	rnd 2	type Blitz	result 1
		Opponent Smit, YH (Yoshua)				Opponent Masiya, MA (Mfundo)
3	1	Tournament Chessheroes Choo Choo Challenge 2022				Tournament Chessheroes Choo Choo Challenge 2022
		date 2022-01-08	rnd 1	type Blitz	result 1	date 2022-01-08	rnd 1	type Blitz	result 1
		Opponent De Montbron, M (Maxime)				Opponent De Montbron, M (Maxime)

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	Rogge ,CG (Conrad Gustav)	4	4	425	4	4	425	0	0	0	0	0	0
1	Rogge ,CG (Conrad Gustav)	4	1616.2	2041.2	4	1619.8	2041.2	0	0	0	0	0	0
2	Mwale ,J (Joseph)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
2	Mwale ,J (Joseph)	4	2156.2	1943.7	4	2154	1943.7	0	0	0	0	0	0
3	Dinham ,J (James)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
3	Dinham ,J (James)	4	1799.2	1905.5	4	1797.6	1905.5	0	0	0	0	0	0
4	Nene ,TH (Themba Hope)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
4	Nene ,TH (Themba Hope)	4	1861.8	1968.1	4	1884.7	1968.1	0	0	0	0	0	0
5	Govender ,Y (Yaduvir)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
5	Govender ,Y (Yaduvir)	4	1649.3	1861.8	4	1666.2	1861.8	0	0	0	0	0	0
6	Smit ,YH (Yoshua Hendrik)	4	3	212.5	3	2	141.7	0	0	0	1	1	425
6	Smit ,YH (Yoshua Hendrik)	4	1649.7	1862.2	3	1656.8	1791.4	0	0	0	1	1279.9	2074.7
7	Wilken ,JB (Justin Barend)	4	1.5	-106.2	3	1	-141.7	0	0	0	1	0.5	0
7	Wilken ,JB (Justin Barend)	4	1837.8	1731.6	3	1846	1696.2	0	0	0	1	1965.8	1837.8
8	Masiya ,MA (Mfundo)	4	2	0	3	1	-141.7	0	0	0	1	1	425
8	Masiya ,MA (Mfundo)	4	1960.2	1960.2	3	1963.1	1818.6	0	0	0	1	1919.6	2385.2
9	Naidoo ,T (Tashil)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
9	Naidoo ,T (Tashil)	3	1543.6	1827	3	1544.3	1827	0	0	0	0	0	0
10	Richter ,J-M (Jan-Michael)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
10	Richter ,J-M (Jan-Michael)	3	1667.3	1950.7	3	1666.4	1950.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Nelson, WJH (William Jacobus Hattingh)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms