Chess South Africa Ratings Database

PLAYER PAGE

Personal

van der Berg, Z (Zane)

Chess SA id

1120321229

FIDE id

Date of birth

2012-07-04 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-31

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1199.7	1199.7	1204.6	1200
Raw rating	1199.7	1199.7	1204.6	1200
Weighted rating	1199.7	1199.7	1202	1200
Weighted performance	0	0	0	0
Floor	699.9	699.9	704.6	700
K-factor	40	40	36	36
Min/Max rating change allowed	165.9	165.9	164.7	165.8
Highest rating	1199.9 2025-05-22	1199.9 2025-05-22	1204.6 2025-06-01	1200 2025-06-01
Highest raw rating	1199.9 2025-05-22	1199.9 2025-05-22	1204.6 2025-06-01	1200 2025-06-01
Highest weighted rating	1199.9 2025-05-22	1199.9 2025-05-22	1201.1 2025-08-01	1200 2025-06-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1199.7	1199.7	1204.6	1200
Analysis
Rating	1199.7	1199.7	1204.6	1200
Raw rating	1199.7	1199.7	1204.6	1200
Weighted rating	1199.7	1199.7	1202
Weighted performance	0	0	0
K-factor	40	40	36	36
Floor	699.9	699.9	704.6	700
Max/Min rating change allowed	165.9	165.9	164.7	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	1199.7	1199.7	1204.6	1200
New weighted rating	1199.7	1199.7	1202.3	1200
New weighted performance	0	0	0	0
Temp new rating	1199.7	1199.7	1204.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1199.7	1199.7	1204.6	1200
New K-factor	40	40	36	36
New floor	699.9	699.9	704.6	700

Item	Main	Standard	Rapid
	0	0	0
	10	4	6
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	10	4	6

Games since
	Main 10	Standard 4		Rapid 6		Blitz 0
Gender	Male
Age group	U14
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	3.5	35	-127.5	1216.4	1088.9
Standard	4	1	25	-212.5	1200	987.5
Rapid	6	2.5	41.67	-70.8	1227.3	1156.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	3.5	35	-127.5	1216.4	1088.9
Standard	4	1	25	-212.5	1200	987.5
Rapid	6	2.5	41.67	-70.8	1227.3	1156.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1199.7	1199.7	1204.6	1200
2025-09-30	1199.7	1199.7	1204.6	1200
2025-09-01	1199.7	1199.7	1204.6	1200
2025-08-01	1199.7	1199.7	1204.6	1200
2025-07-01	1199.5	1199.5	1204.6	1200
2025-06-01	1196.7	1196.8	1204.6	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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	RMS Rapid Chess Open 31 May 2025 (U13)	2025-05-31	2025-05-31	Rapid	Sedibeng (GSV)	6	6	2.5	Yes	Analysis
2	D5 Anker 2025 (U13 Boys)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	RMS Rapid Chess Open 31 May 2025 (U13)	2025-05-31	2025-05-31	Rapid	Sedibeng (GSV)	6	6	2.5	Yes	Analysis
2	D5 Anker 2025 (U13 Boys)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 2	type Rapid	result 0.5	date 2025-05-31	rnd 3	type Rapid	result 1
		Opponent Pretorius, W (Wihan)				Opponent Joubert, C (Christopher)
2	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 5	type Rapid	result 1	date 2025-05-31	rnd 5	type Rapid	result 1
		Opponent Pretorius, W (Wihan)				Opponent Pretorius, W (Wihan)
3	1	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Msipha, S (Sihle)				Opponent Msipha, S (Sihle)

#	Games	Start				End
1	1	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Msipha, S (Sihle)				Opponent Msipha, S (Sihle)

#	Games	Start				End
1	2	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 2	type Rapid	result 0.5	date 2025-05-31	rnd 3	type Rapid	result 1
		Opponent Pretorius, W (Wihan)				Opponent Joubert, C (Christopher)
2	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 5	type Rapid	result 1	date 2025-05-31	rnd 5	type Rapid	result 1
		Opponent Pretorius, W (Wihan)				Opponent Pretorius, W (Wihan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 5	type Rapid	result 1	date 2025-05-31	rnd 5	type Rapid	result 1
		Opponent Pretorius, W (Wihan)				Opponent Pretorius, W (Wihan)
2	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 3	type Rapid	result 1	date 2025-05-31	rnd 3	type Rapid	result 1
		Opponent Joubert, C (Christopher)				Opponent Joubert, C (Christopher)
3	1	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Msipha, S (Sihle)				Opponent Msipha, S (Sihle)

#	Games	Start				End
1	1	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Msipha, S (Sihle)				Opponent Msipha, S (Sihle)

#	Games	Start				End
1	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 5	type Rapid	result 1	date 2025-05-31	rnd 5	type Rapid	result 1
		Opponent Pretorius, W (Wihan)				Opponent Pretorius, W (Wihan)
2	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 3	type Rapid	result 1	date 2025-05-31	rnd 3	type Rapid	result 1
		Opponent Joubert, C (Christopher)				Opponent Joubert, C (Christopher)

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	Joubert ,C (Christopher)	2	1	0	0	0	0	2	1	0	0	0	0
1	Joubert ,C (Christopher)	2	1200	1200	0	0	0	2	1200	1200	0	0	0
2	Bosman ,J (Johan)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Bosman ,J (Johan)	2	1296.5	871.5	0	0	0	2	1384.7	871.5	0	0	0
3	Pretorius ,W (Wihan)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
3	Pretorius ,W (Wihan)	2	1185.6	1398.1	0	0	0	2	1280	1398.1	0	0	0
4	Giessing ,W (Wickus)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Giessing ,W (Wickus)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Du Plooy ,H (Hanru)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Du Plooy ,H (Hanru)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Mashiloane ,H (Hleloluhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mashiloane ,H (Hleloluhle)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Msipha ,S (Sihle)	1	1	425	1	1	425	0	0	0	0	0	0
7	Msipha ,S (Sihle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

van der Berg, Z (Zane)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms