Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Haan, A (Adriaan)

Chess SA id

1080144976

FIDE id

Date of birth

2008-03-03 (U18)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1342.4

Item	Main	Standard	Rapid	Blitz
Rating	1379.5	1379.6	1200	1200
Raw rating	1379.5	1379.6	1200	1200
Weighted rating	1374.7	1374.4	1200	1200
Weighted performance	1152.3	1147.6	0	0
Floor	879.5	879.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	128.4	128.4	165.8	165.8
Highest rating	1379.5 2025-03-01	1379.6 2025-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1379.5 2025-03-01	1379.6 2025-03-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1373.5 2025-08-01	1373.2 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1378.8 2023-06-01	1378.2 2023-06-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1379.5	1379.6	1200	1200
Analysis
Rating	1379.5	1379.6	1200	1200
Raw rating	1379.5	1379.6	1200	1200
Weighted rating	1374.7	1374.4	1200
Weighted performance	1152.3	1147.6	0
K-factor	36	36	36	36
Floor	879.5	879.6	700	700
Max/Min rating change allowed	128.4	128.4	165.8	165.8
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	1379.5	1379.6	1200	1200
New weighted rating	1375.2	1374.9	1200	1200
New weighted performance	1151.8	1147.1	0	0
Temp new rating	1379.5	1379.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1379.5	1379.6	1200	1200
New K-factor	36	36	36	36
New floor	879.5	879.6	700	700

Item	Main	Standard
	0	0
	5	5
	6	6
	20	20
	16	16
	0	0
History	47	47

Games since
	Main 11	Standard 11		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	5	3	60	85	1351.4	1436.4
Standard	5	3	60	85	1351.4	1436.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	47	27.5	58.51	72.3	1260.1	1332.4
Standard	47	27.5	58.51	72.3	1260.1	1332.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1379.5	1379.6	1200	1200
2025-09-01	1379.5	1379.6	1200	1200
2025-08-01	1379.5	1379.6	1200	1200
2025-07-01	1379.5	1379.6	1200	1200
2025-06-01	1379.5	1379.6	1200	1200
2025-05-01	1379.5	1379.6	1200	1200
2025-04-01	1379.5	1379.6	1200	1200
2025-03-01	1379.5	1379.6	1200	1200
2025-02-01	1368.7	1368	1200	1200
2025-01-01	1365.2	1361.6	1200	1200
2024-12-01	1365.2	1361.6	1200	1200
2024-11-01	1370	1370.2	1200	1200
2024-10-01	1370	1370.2	1200	1200
2024-09-01	1370	1370.2	1200	1200
2024-08-01	1370	1370.2	1200	1200
2024-07-01	1370	1370.2	1200	1200
2024-06-01	1370	1370.2	1200	1200
2024-08-01	1370	1370.2	1200	1200
2024-04-01	1370	1370.2	1200	1200
2024-03-01	1370	1370.2	1200	1200
2024-02-01	1370	1370.2	1200	1200
2024-01-01	1370	1370.2	1200	1200
2023-12-01	1370	1370.2	1200	1200
2023-11-01	1370	1370.2	1200	1200

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	Grey College Team Championship 2025 (B)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Grey College Team Championship 2025 (B)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
2	Paarl Boys' High Chess Festival 2024	2024-10-04	2024-10-05	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
3	2023 West Rand RHS Open (Rooks)	2023-06-10	2023-06-10	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
4	West Rand Juniors 2023 (U16)	2023-03-18	2023-03-18	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
5	WR Tournament and Coaching 2023 (Rooks)	2023-02-25	2023-02-25	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
6	2023 West Rand Open (Rooks)	2023-02-04	2023-02-04	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
7	West Rand vs Bojanala 2022 (U16B)	2022-11-05	2022-11-05	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
8	West Rand Trials 2022 (U16)	2022-09-03	2022-09-03	Standard	West Rand (GWR)	5	5	2.5	Yes	Analysis
9	D2 School League Finals 2022 (U15)	2022-08-20	2022-08-20	Standard	West Rand (GWR)	6	6	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament West Rand Juniors 2023				Tournament 2023 West Rand RHS Open
		date 2023-03-18	rnd 2	type Standard	result 1	date 2023-06-10	rnd 1	type Standard	result 1
		Opponent Muchengeti, A (Adrian)				Opponent Roos, S (Shani)
2	3	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-10-04	rnd 3	type Standard	result 1
		Opponent Burger, L (Lee)				Opponent Van Der Poel, T (Truhann)
3	3	Tournament WR Tournament and Coaching 2023				Tournament WR Tournament and Coaching 2023
		date 2023-02-25	rnd 3	type Standard	result 1	date 2023-02-25	rnd 5	type Standard	result 1
		Opponent Mngemane, L (Lumkile)				Opponent Nzapheza, A (Amogelang)

#	Games	Start				End
1	5	Tournament West Rand Juniors 2023				Tournament 2023 West Rand RHS Open
		date 2023-03-18	rnd 2	type Standard	result 1	date 2023-06-10	rnd 1	type Standard	result 1
		Opponent Muchengeti, A (Adrian)				Opponent Roos, S (Shani)
2	3	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-10-04	rnd 3	type Standard	result 1
		Opponent Burger, L (Lee)				Opponent Van Der Poel, T (Truhann)
3	3	Tournament WR Tournament and Coaching 2023				Tournament WR Tournament and Coaching 2023
		date 2023-02-25	rnd 3	type Standard	result 1	date 2023-02-25	rnd 5	type Standard	result 1
		Opponent Mngemane, L (Lumkile)				Opponent Nzapheza, A (Amogelang)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament West Rand Juniors 2023				Tournament 2023 West Rand RHS Open
		date 2023-03-18	rnd 2	type Standard	result 1	date 2023-06-10	rnd 1	type Standard	result 1
		Opponent Muchengeti, A (Adrian)				Opponent Roos, S (Shani)
2	3	Tournament WR Tournament and Coaching 2023				Tournament WR Tournament and Coaching 2023
		date 2023-02-25	rnd 3	type Standard	result 1	date 2023-02-25	rnd 5	type Standard	result 1
		Opponent Mngemane, L (Lumkile)				Opponent Nzapheza, A (Amogelang)
3	3	Tournament 2023 West Rand Open				Tournament 2023 West Rand Open
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-04	rnd 5	type Standard	result 1
		Opponent Montsho, T (Tumisang)				Opponent Nkieane, S (Sbusiso Brian)

#	Games	Start				End
1	5	Tournament West Rand Juniors 2023				Tournament 2023 West Rand RHS Open
		date 2023-03-18	rnd 2	type Standard	result 1	date 2023-06-10	rnd 1	type Standard	result 1
		Opponent Muchengeti, A (Adrian)				Opponent Roos, S (Shani)
2	3	Tournament WR Tournament and Coaching 2023				Tournament WR Tournament and Coaching 2023
		date 2023-02-25	rnd 3	type Standard	result 1	date 2023-02-25	rnd 5	type Standard	result 1
		Opponent Mngemane, L (Lumkile)				Opponent Nzapheza, A (Amogelang)
3	3	Tournament 2023 West Rand Open				Tournament 2023 West Rand Open
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-04	rnd 5	type Standard	result 1
		Opponent Montsho, T (Tumisang)				Opponent Nkieane, S (Sbusiso Brian)

No games found.

#	Games	Start				End

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	Ngakane ,T (Tuelo)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Ngakane ,T (Tuelo)	2	1389.3	964.3	2	1385.9	964.3	0	0	0	0	0	0
2	Maseko ,U (Unathi)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Maseko ,U (Unathi)	2	1365.2	940.2	2	1365.2	940.2	0	0	0	0	0	0
3	Mnguni ,A (Atlegang)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Mnguni ,A (Atlegang)	2	1154.5	729.5	2	1160.4	729.5	0	0	0	0	0	0
4	Wesinyane ,T (Tshireletso)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
4	Wesinyane ,T (Tshireletso)	2	1196.5	984	2	1189.4	984	0	0	0	0	0	0
5	Bartman ,J (Jadey)	2	1	0	2	1	0	0	0	0	0	0	0
5	Bartman ,J (Jadey)	2	1247.2	1247.2	2	1241.9	1247.2	0	0	0	0	0	0
6	Magagula ,N (Nkosingiphile)	1	1	425	1	1	425	0	0	0	0	0	0
6	Magagula ,N (Nkosingiphile)	1	1435.7	1860.7	1	1432.6	1860.7	0	0	0	0	0	0
7	Black ,W (Waldo)	1	1	425	1	1	425	0	0	0	0	0	0
7	Black ,W (Waldo)	1	1225.6	1650.6	1	1231.2	1650.6	0	0	0	0	0	0
8	Burger ,L (Lee)	1	1	425	1	1	425	0	0	0	0	0	0
8	Burger ,L (Lee)	1	1171.5	1596.5	1	1200	1596.5	0	0	0	0	0	0
9	Abrahams ,Q (Qasim)	1	1	425	1	1	425	0	0	0	0	0	0
9	Abrahams ,Q (Qasim)	1	1233.9	1658.9	1	1186.2	1658.9	0	0	0	0	0	0
10	Radebe ,K (Khotso)	1	1	425	1	1	425	0	0	0	0	0	0
10	Radebe ,K (Khotso)	1	1324.3	1749.3	1	1323.4	1749.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

De Haan, A (Adriaan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms