Chess South Africa Ratings Database

PLAYER PAGE

Personal

Duvenhage, HW (Hendrik Wian)

Chess SA id

101008455

FIDE id

Date of birth

2001-05-25 (Adult)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-02-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1332	1336.2	1257.8	1211.7
Raw rating	1332	1336.2	1257.8	1211.7
Weighted rating	1332	1336.2	1257.8	1211.7
Weighted performance	179.5	177.9	0	0
Floor	832	836.2	757.8	757.8
K-factor	36	36	36	36
Min/Max rating change allowed	137.4	136.6	152.7	163.1
Highest rating	1332.9 2019-02-01	1349.3 2019-02-01	1257.8 2019-08-01	1257.8 2018-02-01
Highest raw rating	1332 2024-03-01	1336.2 2024-03-01	1257.8 2024-03-01	1257.8 2018-02-01
Highest weighted rating	1331.7 2025-08-01	1336.2 2024-03-01	1257.8 2019-08-01	1257.8 2018-02-01
Highest weighted performance	1332.9 2019-02-01	1349.3 2019-02-01	1200 2024-03-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1332	1336.2	1257.8	1211.7
Analysis
Rating	1332	1336.2	1257.8	1211.7
Raw rating	1332	1336.2	1257.8	1211.7
Weighted rating	1332	1336.2	1257.8
Weighted performance	179.5	177.9	0
K-factor	36	36	36	36
Floor	832	836.2	757.8	757.8
Max/Min rating change allowed	137.4	136.6	152.7	163.1
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	1332	1336.2	1257.8	1211.7
New weighted rating	1332	1336.2	1257.8	1211.7
New weighted performance	171.6	170	0	0
Temp new rating	1332	1336.2	1257.8	1211.7
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1332	1336.2	1257.8	1211.7
New K-factor	36	36	36	36
New floor	832	836.2	757.8	757.8

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	526	511	15

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Mangaung (FMB)
Province	Free State (FS)
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	70	39	55.71	48.6	1212.7	1261.3
Standard	55	32.5	59.09	77.3	1208.2	1285.5
Rapid	0	0	0	0	0	0
Blitz	15	6.5	43.33	-56.7	1229.1	1172.4

Date	Main	Standard	Rapid	Blitz
2025-11-01	1332	1336.2	1257.8	1211.7
2025-09-30	1332	1336.2	1257.8	1211.7
2025-09-01	1332	1336.2	1257.8	1211.7
2025-08-01	1332	1336.2	1257.8	1211.7
2025-07-01	1332	1336.2	1257.8	1211.7
2025-06-01	1332	1336.2	1257.8	1211.7
2025-05-01	1332	1336.2	1257.8	1211.7
2025-04-01	1332	1336.2	1257.8	1211.7
2025-03-01	1332	1336.2	1257.8	1211.7
2025-02-01	1332	1336.2	1257.8	1211.7
2025-01-01	1332	1336.2	1257.8	1211.7
2024-12-01	1332	1336.2	1257.8	1211.7
2024-11-01	1332	1336.2	1257.8	1211.7
2024-10-01	1332	1336.2	1257.8	1211.7
2024-09-01	1332	1336.2	1257.8	1211.7
2024-08-01	1332	1336.2	1257.8	1211.7
2024-07-01	1332	1336.2	1257.8	1211.7
2024-09-01	1332	1336.2	1257.8	1211.7
2024-05-01	1332	1336.2	1257.8	1211.7
2024-04-01	1332	1336.2	1257.8	1211.7
2024-03-01	1332	1336.2	1257.8	1211.7
2024-02-01	1332	1336.2	1257.8	1211.7
2024-01-01	1332	1336.2	1257.8	1211.7
2023-12-01	1324.4	1336.2	1257.8	1211.7

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	Morris Club Challenge 2019	2019-02-16	2019-02-16	Standard	Mangaung (FMB)	5	4	3	Yes	Analysis
2	Mangaung Metro Chess 1-2 February 2019 (A)	2019-02-01	2019-02-02	Standard	Mangaung (FMB)	5	3	1.5	Yes	Analysis
3	South African Junior Team Championships 2018 (U18B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
4	Mangaung Metro Chess12 & 13 October 2018 (A)	2018-10-12	2018-10-13	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
5	South African Open 2018 (Blitz)	2018-07-11	2018-07-11	Blitz	Mangaung (FMB)	9	9	4	Yes	Analysis
6	Mangaung Metro Chess 1-2 June 2018 (B)	2018-06-01	2018-06-02	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
7	Inter Regional 2018 (U18 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	1.5	Yes	Analysis
8	Mangaung Metro Chess 20-21 April 2018 (B)	2018-04-20	2018-04-21	Standard	Mangaung (FMB)	5	4	3.5	Yes	Analysis
9	Smart Chess Blitz 2018 (U18)	2018-03-03	2018-03-03	Blitz	Mangaung (FMB)	7	6	2.5	Yes	Analysis
10	Mangaung Metro Chess 9 - 10 March 2018 (B)	2018-03-09	2018-03-10	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
11	Mangaung Metro Chess 2 & 3 February 2018 (B)	2018-02-02	2018-02-03	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
12	Mangaung Metro Chess 19 & 20 January 2018 (B)	2018-01-19	2018-01-20	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
13	South African Junior Team Championships 2017 (U18A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	1.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Mangaung Metro Chess 9 - 10 March 2018				Tournament Inter Regional 2018
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-05-04	rnd 2	type Standard	result 0.5
		Opponent Shaba, R (Reneuwe)				Opponent Van Der Walt, AB (Bernize)
2	7	Tournament Mangaung Metro Chess 19 & 20 January 2018				Tournament Mangaung Metro Chess 2 & 3 February 2018
		date 2018-01-20	rnd 4	type Standard	result 0.5	date 2018-02-03	rnd 5	type Standard	result 0.5
		Opponent Van Der Walt, MC (Marelize)				Opponent Van Der Walt, MC (Marelize)
3	5	Tournament Mangaung Metro Chess 1-2 June 2018				Tournament Mangaung Metro Chess 1-2 June 2018
		date 2018-06-01	rnd 1	type Standard	result 1	date 2018-06-02	rnd 5	type Standard	result 0.5
		Opponent Memani, A (Ayabulela)				Opponent Mantje, K (Katleho)

#	Games	Start				End
1	9	Tournament Mangaung Metro Chess 19 & 20 January 2018				Tournament Mangaung Metro Chess 9 - 10 March 2018
		date 2018-01-20	rnd 4	type Standard	result 0.5	date 2018-03-09	rnd 2	type Standard	result 1
		Opponent Van Der Walt, MC (Marelize)				Opponent Chuang, YT (Yun-Ting)
2	7	Tournament Mangaung Metro Chess 9 - 10 March 2018				Tournament Inter Regional 2018
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-05-04	rnd 2	type Standard	result 0.5
		Opponent Shaba, R (Reneuwe)				Opponent Van Der Walt, AB (Bernize)
3	6	Tournament Mangaung Metro Chess 1-2 June 2018				Tournament Mangaung Metro Chess12 & 13 October 2018
		date 2018-06-01	rnd 1	type Standard	result 1	date 2018-10-12	rnd 1	type Standard	result 1
		Opponent Memani, A (Ayabulela)				Opponent Mashibini, J (Jabulile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 5	type Blitz	result 1	date 2018-03-03	rnd 7	type Blitz	result 1
		Opponent Mokhethi, S (Sipho)				Opponent Donachie, S (Serena)
2	1	Tournament South African Open 2018				Tournament South African Open 2018
		date 2018-07-11	rnd 8	type Blitz	result 1	date 2018-07-11	rnd 8	type Blitz	result 1
		Opponent Joubert, D (Divan)				Opponent Joubert, D (Divan)
3	1	Tournament South African Open 2018				Tournament South African Open 2018
		date 2018-07-11	rnd 6	type Blitz	result 1	date 2018-07-11	rnd 6	type Blitz	result 1
		Opponent Senosky, J (Jonathan)				Opponent Senosky, J (Jonathan)

#	Games	Start				End
1	4	Tournament Mangaung Metro Chess 9 - 10 March 2018				Tournament Mangaung Metro Chess 20-21 April 2018
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Shaba, R (Reneuwe)				Opponent Buchner, E (Eduard)
2	3	Tournament Mangaung Metro Chess 1-2 February 2019				Tournament Morris Club Challenge 2019
		date 2019-02-02	rnd 3	type Standard	result 1	date 2019-02-16	rnd 2	type Standard	result 1
		Opponent Bosch, A (Altus)				Opponent Goosen, P (Pierre)
3	3	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 1	type Standard	result 1	date 2018-12-17	rnd 3	type Standard	result 1
		Opponent Vermaak, JS (Jacobus)				Opponent Roux, D (Duval)

#	Games	Start				End
1	4	Tournament Mangaung Metro Chess 9 - 10 March 2018				Tournament Mangaung Metro Chess 20-21 April 2018
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Shaba, R (Reneuwe)				Opponent Buchner, E (Eduard)
2	3	Tournament Mangaung Metro Chess 1-2 February 2019				Tournament Morris Club Challenge 2019
		date 2019-02-02	rnd 3	type Standard	result 1	date 2019-02-16	rnd 2	type Standard	result 1
		Opponent Bosch, A (Altus)				Opponent Goosen, P (Pierre)
3	3	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 1	type Standard	result 1	date 2018-12-17	rnd 3	type Standard	result 1
		Opponent Vermaak, JS (Jacobus)				Opponent Roux, D (Duval)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament South African Open 2018				Tournament South African Open 2018
		date 2018-07-11	rnd 8	type Blitz	result 1	date 2018-07-11	rnd 8	type Blitz	result 1
		Opponent Joubert, D (Divan)				Opponent Joubert, D (Divan)
2	1	Tournament South African Open 2018				Tournament South African Open 2018
		date 2018-07-11	rnd 6	type Blitz	result 1	date 2018-07-11	rnd 6	type Blitz	result 1
		Opponent Senosky, J (Jonathan)				Opponent Senosky, J (Jonathan)
3	1	Tournament South African Open 2018				Tournament South African Open 2018
		date 2018-07-11	rnd 4	type Blitz	result 1	date 2018-07-11	rnd 4	type Blitz	result 1
		Opponent Buchner, E (Eduard)				Opponent Buchner, E (Eduard)

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 Der Walt ,MC (Marelize)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Van Der Walt ,MC (Marelize)	3	1369.7	1228	3	1368.3	1228	0	0	0	0	0	0
2	Shaba ,K (Keneuwe)	2	2	425	2	2	425	0	0	0	0	0	0
2	Shaba ,K (Keneuwe)	2	853.2	1278.2	2	850.6	1278.2	0	0	0	0	0	0
3	Mashibini ,J (Jabulile)	2	2	425	2	2	425	0	0	0	0	0	0
3	Mashibini ,J (Jabulile)	2	1053.2	1478.2	2	1055.2	1478.2	0	0	0	0	0	0
4	Mantje ,K (Katleho)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
4	Mantje ,K (Katleho)	2	1262.8	1475.2	2	1260.9	1475.2	0	0	0	0	0	0
5	Van Der Walt ,AB (Bernize)	2	1	0	2	1	0	0	0	0	0	0	0
5	Van Der Walt ,AB (Bernize)	2	1408.1	1408.1	2	1410.7	1408.1	0	0	0	0	0	0
6	Zeeman ,JA (Johanna Adriana)	2	1.5	212.5	1	1	425	0	0	0	1	0.5	0
6	Zeeman ,JA (Johanna Adriana)	2	1062	1274.5	1	1051	1487	0	0	0	1	1051	1062
7	Buchner ,E (Eduard)	2	2	425	1	1	425	0	0	0	1	1	425
7	Buchner ,E (Eduard)	2	1083.8	1508.8	1	1057.8	1508.8	0	0	0	1	912.6	1508.8
8	Motaung ,L (Lehlohonolo)	2	0	-425	0	0	0	0	0	0	2	0	-425
8	Motaung ,L (Lehlohonolo)	2	1397.2	972.2	0	0	0	0	0	0	2	1432.3	972.2
9	Kleinhans ,F (Fanie)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Kleinhans ,F (Fanie)	1	1261.7	836.7	1	1263.2	836.7	0	0	0	0	0	0
10	Vermaak ,JS (Jacobus Stephanus)	1	1	425	1	1	425	0	0	0	0	0	0
10	Vermaak ,JS (Jacobus Stephanus)	1	1336	1761	1	1342.6	1761	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Duvenhage, HW (Hendrik Wian)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms