Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, A (Antoine)

Chess SA id

1650148045

FIDE id

Date of birth

1965-03-15 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1253.8	1225.5	1293.1	1300
Raw rating	1253.8	1225.5	1291.3	1300
Weighted rating	1253.6	1225.4	1293.1	1299.7
Weighted performance	0	0	0	0
Floor	753.9	725.5	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	153.6	159.9	145.6	143.8
Highest rating	1253.9 2024-02-01	1225.5 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1253.9 2024-02-01	1225.5 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1251.9 2025-08-01	1224.5 2025-08-01	1291.3 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.1	0	-0	0
New rating	1253.8	1225.5	1293.1	1300
Analysis
Rating	1253.8	1225.5	1293.1	1300
Raw rating	1253.8	1225.5	1291.3	1300
Weighted rating	1253.6	1225.4	1293.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	753.9	725.5	800	800
Max/Min rating change allowed	153.6	159.9	145.6	143.8
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	1253.8	1225.5	1291.3	1300
New weighted rating	1253.8	1225.5	1293.1	1300
New weighted performance	0	0	0	0
Temp new rating	1253.8	1225.5	1293.1	1300
Temp new rating +/-	0.1	0	-0	0
Final new rating +/-	0.1	0	-0	0
New rating	1253.8	1225.5	1293.1	1300
New K-factor	36	36	36	36
New floor	753.9	725.5	800	800

Item	Main	Standard	Rapid
	0	0	0
	5	0	5
	0	0	0
	0	0	0
	5	5	0
	0	0	0
History	10	5	5

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Male
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
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	5	2.5	50	0	1245.4	1245.4
Standard	0	0	0	0	0	0
Rapid	5	2.5	50	0	1245.4	1245.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	4.5	45	-42.5	1253.2	1210.8
Standard	5	2	40	-85	1261.1	1176.1
Rapid	5	2.5	50	0	1245.4	1245.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1253.8	1225.5	1291.3	1300
2025-09-30	1253.8	1225.5	1291.3	1300
2025-09-01	1253.8	1225.5	1291.3	1300
2025-08-01	1253.8	1225.5	1291.3	1300
2025-07-01	1253.8	1225.5	1290.1	1300
2025-06-01	1253.8	1225.5	1288.7	1300
2025-05-01	1253.8	1225.5	1287.1	1300
2025-04-01	1253.8	1225.5	1285.2	1300
2025-03-01	1253.8	1225.5	1282.4	1300
2025-02-01	1253.9	1225.5	1300	1300
2025-01-01	1253.9	1225.5	1300	1300
2024-12-01	1253.9	1225.5	1300	1300
2024-11-01	1253.9	1225.5	1300	1300
2024-10-01	1253.9	1225.5	1300	1300
2024-09-01	1253.9	1225.5	1300	1300
2024-08-01	1253.9	1225.5	1300	1300
2024-07-01	1253.9	1225.5	1300	1300
2024-09-01	1253.9	1225.5	1300	1300
2024-05-01	1253.9	1225.5	1300	1300
2024-04-01	1253.9	1225.5	1300	1300
2024-03-01	1253.9	1225.5	1300	1300
2024-02-01	1253.9	1225.5	1300	1300
2024-01-01	1253.9	1225.5	1300	1300
2023-12-01	1194	1194	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	Eden Rapid 2025 (A)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Rapid 2025 (A)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	5	2.5	Yes	Analysis
2	George Open 2022 (B)	2022-12-03	2022-12-03	Standard	Eden (WEG)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 2	type Rapid	result 1	date 2025-02-23	rnd 3	type Rapid	result 1
		Opponent Swartz, T (Tayrese)				Opponent Brewis, S (Steven)
2	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 5	type Rapid	result 0.5	date 2025-02-23	rnd 5	type Rapid	result 0.5
		Opponent Saaiman, L (Luwayden)				Opponent Saaiman, L (Luwayden)
3	1	Tournament George Open 2022				Tournament George Open 2022
		date 2022-12-03	rnd 5	type Standard	result 1	date 2022-12-03	rnd 5	type Standard	result 1
		Opponent Brewis, S (Steven)				Opponent Brewis, S (Steven)

#	Games	Start				End
1	1	Tournament George Open 2022				Tournament George Open 2022
		date 2022-12-03	rnd 5	type Standard	result 1	date 2022-12-03	rnd 5	type Standard	result 1
		Opponent Brewis, S (Steven)				Opponent Brewis, S (Steven)
2	1	Tournament George Open 2022				Tournament George Open 2022
		date 2022-12-03	rnd 1	type Standard	result 1	date 2022-12-03	rnd 1	type Standard	result 1
		Opponent Lewis, M (Mark)				Opponent Lewis, M (Mark)

#	Games	Start				End
1	2	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 2	type Rapid	result 1	date 2025-02-23	rnd 3	type Rapid	result 1
		Opponent Swartz, T (Tayrese)				Opponent Brewis, S (Steven)
2	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 5	type Rapid	result 0.5	date 2025-02-23	rnd 5	type Rapid	result 0.5
		Opponent Saaiman, L (Luwayden)				Opponent Saaiman, L (Luwayden)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 2	type Rapid	result 1	date 2025-02-23	rnd 3	type Rapid	result 1
		Opponent Swartz, T (Tayrese)				Opponent Brewis, S (Steven)
2	1	Tournament George Open 2022				Tournament George Open 2022
		date 2022-12-03	rnd 5	type Standard	result 1	date 2022-12-03	rnd 5	type Standard	result 1
		Opponent Brewis, S (Steven)				Opponent Brewis, S (Steven)
3	1	Tournament George Open 2022				Tournament George Open 2022
		date 2022-12-03	rnd 1	type Standard	result 1	date 2022-12-03	rnd 1	type Standard	result 1
		Opponent Lewis, M (Mark)				Opponent Lewis, M (Mark)

#	Games	Start				End
1	1	Tournament George Open 2022				Tournament George Open 2022
		date 2022-12-03	rnd 5	type Standard	result 1	date 2022-12-03	rnd 5	type Standard	result 1
		Opponent Brewis, S (Steven)				Opponent Brewis, S (Steven)
2	1	Tournament George Open 2022				Tournament George Open 2022
		date 2022-12-03	rnd 1	type Standard	result 1	date 2022-12-03	rnd 1	type Standard	result 1
		Opponent Lewis, M (Mark)				Opponent Lewis, M (Mark)

#	Games	Start				End
1	2	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 2	type Rapid	result 1	date 2025-02-23	rnd 3	type Rapid	result 1
		Opponent Swartz, T (Tayrese)				Opponent Brewis, S (Steven)

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	Brewis ,S (Steven)	2	2	425	1	1	425	1	1	425	0	0	0
1	Brewis ,S (Steven)	2	1176.2	1601.2	1	1200	1601.2	1	1149.1	1601.2	0	0	0
2	Lewis ,M (Mark)	1	1	425	1	1	425	0	0	0	0	0	0
2	Lewis ,M (Mark)	1	1263	1688	1	1294.2	1688	0	0	0	0	0	0
3	Windvogel ,D (Damian)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Windvogel ,D (Damian)	1	1139	714	1	1150	714	0	0	0	0	0	0
4	Baadjies ,L (Lando)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Baadjies ,L (Lando)	1	1275.4	850.4	1	1277.3	850.4	0	0	0	0	0	0
5	Manho ,L (Leancon)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Manho ,L (Leancon)	1	1428.1	1003.1	1	1414.3	1003.1	0	0	0	0	0	0
6	Kammies ,E (Elmo)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Kammies ,E (Elmo)	1	1129.9	704.9	0	0	0	1	1048	704.9	0	0	0
7	Mano ,L (Leacon)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Mano ,L (Leacon)	1	1350.3	925.3	0	0	0	1	1154.4	925.3	0	0	0
8	Saaiman ,L (Luwayden)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
8	Saaiman ,L (Luwayden)	1	1331.3	1331.3	0	0	0	1	1128	1331.3	0	0	0
9	Swartz ,T (Tayrese)	1	1	425	0	0	0	1	1	425	0	0	0
9	Swartz ,T (Tayrese)	1	1262.9	1687.9	0	0	0	1	1200	1687.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Du Preez, A (Antoine)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms