Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, Z (Zayden)

Chess SA id

1140161275

FIDE id

Date of birth

2014-08-11 (U12)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1250.5	1260.6	1200	1200
Raw rating	1250.5	1260.6	1200	1200
Weighted rating	1205.2	1206	1200	1200
Weighted performance	0	0	0	0
Floor	750.5	760.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	154.3	152.1	165.8	165.8
Highest rating	1250.5 2025-09-01	1260.6 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1250.5 2025-09-01	1260.6 2025-09-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1219.8 2018-10-01	1224 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1250.5	1260.6	1200	1200
Analysis
Rating	1250.5	1260.6	1200	1200
Raw rating	1250.5	1260.6	1200	1200
Weighted rating	1205.2	1206	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	750.5	760.6	700	700
Max/Min rating change allowed	154.3	152.1	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	1250.5	1260.6	1200	1200
New weighted rating	1209.4	1211.1	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1250.5	1260.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1250.5	1260.6	1200	1200
New K-factor	36	36	36	36
New floor	750.5	760.6	700	700

Item	Main	Standard
	0	0
	9	9
	0	0
	5	5
	0	0
	0	0
History	14	14

Games since
	Main 9	Standard 9		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	9	6.5	72.22	188.9	1203.1	1392
Standard	9	6.5	72.22	188.9	1203.1	1392
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	8.5	60.71	91.1	1207.6	1298.7
Standard	14	8.5	60.71	91.1	1207.6	1298.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1250.5	1260.6	1200	1200
2025-09-01	1250.5	1260.6	1200	1200
2025-08-01	1219.8	1224	1200	1200
2025-07-01	1219.8	1224	1200	1200
2025-06-01	1219.8	1224	1200	1200
2025-05-01	1189.5	1187	1200	1200
2025-04-01	1189.5	1187	1200	1200
2025-03-01	1189.5	1187	1200	1200
2025-02-01	1189.5	1187	1200	1200
2025-01-01	1188.9	1186.3	1200	1200
2024-12-01	1188.9	1186.3	1200	1200
2024-11-01	1188.9	1186.3	1200	1200
2024-10-01	1188.9	1186.3	1200	1200
2024-09-01	1188.9	1186.3	1200	1200
2024-08-01	1188.9	1186.3	1200	1200
2024-07-01	1188.9	1186.3	1200	1200
2024-06-01	1188.9	1186.3	1200	1200
2024-08-01	1188.9	1186.3	1200	1200
2024-04-01	1188.9	1186.3	1200	1200
2024-03-01	1188.9	1186.3	1200	1200
2024-02-01	1188.9	1186.3	1200	1200
2024-01-01	1188.9	1186.3	1200	1200
2023-12-01	1188.9	1186.3	1200	1200
2023-11-01	1188.9	1186.3	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	D5 Teams 2025 (U11)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
2	D5 Anker 2025 (U11 Boys)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	D5 Teams 2025 (U11)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
2	D5 Anker 2025 (U11 Boys)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
3	2023 Gauteng Top Schools (U9 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Schutte, W (Wian)				Opponent Botes, L (Luan)
2	3	Tournament D5 Teams 2025				Tournament D5 Teams 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Steenkamp, N (Nadia)				Opponent Snyman, Z (Zane)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 2	type Standard	result 1	date 2023-08-18	rnd 3	type Standard	result 1
		Opponent Harrison, T (Tairon Lee)				Opponent De Jager, C (Christo)

#	Games	Start				End
1	4	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Schutte, W (Wian)				Opponent Botes, L (Luan)
2	3	Tournament D5 Teams 2025				Tournament D5 Teams 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Steenkamp, N (Nadia)				Opponent Snyman, Z (Zane)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 2	type Standard	result 1	date 2023-08-18	rnd 3	type Standard	result 1
		Opponent Harrison, T (Tairon Lee)				Opponent De Jager, C (Christo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament D5 Teams 2025				Tournament D5 Teams 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Steenkamp, N (Nadia)				Opponent Snyman, Z (Zane)
2	2	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Snyman, Z (Zane)				Opponent Botes, L (Luan)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 2	type Standard	result 1	date 2023-08-18	rnd 3	type Standard	result 1
		Opponent Harrison, T (Tairon Lee)				Opponent De Jager, C (Christo)

#	Games	Start				End
1	3	Tournament D5 Teams 2025				Tournament D5 Teams 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Steenkamp, N (Nadia)				Opponent Snyman, Z (Zane)
2	2	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Snyman, Z (Zane)				Opponent Botes, L (Luan)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 2	type Standard	result 1	date 2023-08-18	rnd 3	type Standard	result 1
		Opponent Harrison, T (Tairon Lee)				Opponent De Jager, C (Christo)

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	Snyman ,Z (Zane)	2	2	425	2	2	425	0	0	0	0	0	0
1	Snyman ,Z (Zane)	2	1200.5	1625.5	2	1200.6	1625.5	0	0	0	0	0	0
2	Steenkamp ,N (Nadia)	1	1	425	1	1	425	0	0	0	0	0	0
2	Steenkamp ,N (Nadia)	1	1216.4	1641.4	1	1219.4	1641.4	0	0	0	0	0	0
3	Hex ,N (Nathan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Hex ,N (Nathan)	1	1252.7	827.7	1	1234.5	827.7	0	0	0	0	0	0
4	de Nazare ,G (Giovanni)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	de Nazare ,G (Giovanni)	1	1215.2	790.2	1	1218.3	790.2	0	0	0	0	0	0
5	Fritz ,T (Tayron)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Fritz ,T (Tayron)	1	1225.1	800.1	1	1233.1	800.1	0	0	0	0	0	0
6	De Jager ,C (Christo)	1	1	425	1	1	425	0	0	0	0	0	0
6	De Jager ,C (Christo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Harrison ,T (Tairon Lee)	1	1	425	1	1	425	0	0	0	0	0	0
7	Harrison ,T (Tairon Lee)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Esterhuizen ,R (Ruben)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Esterhuizen ,R (Ruben)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Botes ,L (Luan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Botes ,L (Luan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Schutte ,W (Wian)	1	1	425	1	1	425	0	0	0	0	0	0
10	Schutte ,W (Wian)	1	1195.4	1620.4	1	1194.4	1620.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Du Preez, Z (Zayden)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms