Chess South Africa Ratings Database

PLAYER PAGE

Personal

Cronje, Z (Zac)

Chess SA id

1120148058

FIDE id

Date of birth

2012-09-04 (U14)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-03-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1328.5	1329.9	1200	1200
Raw rating	1328.5	1329.9	1200	1200
Weighted rating	1328.5	1329.9	1200	1200
Weighted performance	907	908	0	0
Floor	828.5	829.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	138.1	137.8	165.8	165.8
Highest rating	1342.9 2023-03-01	1344.3 2023-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1328.5 2024-02-01	1329.9 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1328.5 2025-02-01	1329.9 2025-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1342.9 2023-03-01	1344.3 2023-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1328.5	1329.9	1200	1200
Analysis
Rating	1328.5	1329.9	1200	1200
Raw rating	1328.5	1329.9	1200	1200
Weighted rating	1328.5	1329.9	1200
Weighted performance	907	908	0
K-factor	36	36	36	36
Floor	828.5	829.9	700	700
Max/Min rating change allowed	138.1	137.8	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	1328.5	1329.9	1200	1200
New weighted rating	1328.5	1329.9	1200	1200
New weighted performance	906.6	907.5	0	0
Temp new rating	1328.5	1329.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1328.5	1329.9	1200	1200
New K-factor	36	36	36	36
New floor	828.5	829.9	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	19	19
	5	5
	0	0
History	24	24

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Eden (WEG)
Province	Western Cape (WC)
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	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	24	13.5	56.25	53.1	1299.1	1352.2
Standard	24	13.5	56.25	53.1	1299.1	1352.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1328.5	1329.9	1200	1200
2025-09-01	1328.5	1329.9	1200	1200
2025-08-01	1328.5	1329.9	1200	1200
2025-07-01	1328.5	1329.9	1200	1200
2025-06-01	1328.5	1329.9	1200	1200
2025-05-01	1328.5	1329.9	1200	1200
2025-04-01	1328.5	1329.9	1200	1200
2025-03-01	1328.5	1329.9	1200	1200
2025-02-01	1328.5	1329.9	1200	1200
2025-01-01	1328.5	1329.9	1200	1200
2024-12-01	1328.5	1329.9	1200	1200
2024-11-01	1328.5	1329.9	1200	1200
2024-10-01	1328.5	1329.9	1200	1200
2024-09-01	1328.5	1329.9	1200	1200
2024-08-01	1328.5	1329.9	1200	1200
2024-07-01	1328.5	1329.9	1200	1200
2024-06-01	1328.5	1329.9	1200	1200
2024-08-01	1328.5	1329.9	1200	1200
2024-04-01	1328.5	1329.9	1200	1200
2024-03-01	1328.5	1329.9	1200	1200
2024-02-01	1328.5	1329.9	1200	1200
2024-01-01	1328.5	1329.9	1200	1200
2023-12-01	1328.5	1329.9	1200	1200
2023-11-01	1328.5	1329.9	1200	1200

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	Eden Trails 1 2023 (U11 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	George Chess Trials 3 2023 (U11 Boys)	2023-02-25	2023-02-25	Standard	Eden (WEG)	5	4	1	Yes	Analysis
3	George Chess Trials 2 2023 (U11 Boys)	2023-02-11	2023-02-11	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
4	George Chess Trials 1 2023 (U11 Boys)	2023-01-28	2023-01-28	Standard	Eden (WEG)	5	5	3	Yes	Analysis
5	George Open 2022 (D)	2022-12-03	2022-12-03	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament George Chess Trials 2 2023				Tournament George Chess Trials 2 2023
		date 2023-02-11	rnd 2	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Stander, L (Louis)				Opponent Simon, R (Riley)
2	3	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 1	type Standard	result 1	date 2023-03-11	rnd 3	type Standard	result 1
		Opponent Moos, C (Chad)				Opponent Drude, E (Eyshaan)
3	2	Tournament George Chess Trials 1 2023				Tournament George Chess Trials 1 2023
		date 2023-01-28	rnd 4	type Standard	result 1	date 2023-01-28	rnd 5	type Standard	result 1
		Opponent Marner, B (Bryan Neil)				Opponent Griebenauw, E (Emmerich)

#	Games	Start				End
1	4	Tournament George Chess Trials 2 2023				Tournament George Chess Trials 2 2023
		date 2023-02-11	rnd 2	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Stander, L (Louis)				Opponent Simon, R (Riley)
2	3	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 1	type Standard	result 1	date 2023-03-11	rnd 3	type Standard	result 1
		Opponent Moos, C (Chad)				Opponent Drude, E (Eyshaan)
3	2	Tournament George Chess Trials 1 2023				Tournament George Chess Trials 1 2023
		date 2023-01-28	rnd 4	type Standard	result 1	date 2023-01-28	rnd 5	type Standard	result 1
		Opponent Marner, B (Bryan Neil)				Opponent Griebenauw, E (Emmerich)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament George Chess Trials 2 2023				Tournament George Chess Trials 2 2023
		date 2023-02-11	rnd 2	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Stander, L (Louis)				Opponent Simon, R (Riley)
2	3	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 1	type Standard	result 1	date 2023-03-11	rnd 3	type Standard	result 1
		Opponent Moos, C (Chad)				Opponent Drude, E (Eyshaan)
3	2	Tournament George Chess Trials 1 2023				Tournament George Chess Trials 1 2023
		date 2023-01-28	rnd 4	type Standard	result 1	date 2023-01-28	rnd 5	type Standard	result 1
		Opponent Marner, B (Bryan Neil)				Opponent Griebenauw, E (Emmerich)

#	Games	Start				End
1	4	Tournament George Chess Trials 2 2023				Tournament George Chess Trials 2 2023
		date 2023-02-11	rnd 2	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Stander, L (Louis)				Opponent Simon, R (Riley)
2	3	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 1	type Standard	result 1	date 2023-03-11	rnd 3	type Standard	result 1
		Opponent Moos, C (Chad)				Opponent Drude, E (Eyshaan)
3	2	Tournament George Chess Trials 1 2023				Tournament George Chess Trials 1 2023
		date 2023-01-28	rnd 4	type Standard	result 1	date 2023-01-28	rnd 5	type Standard	result 1
		Opponent Marner, B (Bryan Neil)				Opponent Griebenauw, E (Emmerich)

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	Prins ,E (Eddie)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Prins ,E (Eddie)	3	1465.3	1040.3	3	1489.5	1040.3	0	0	0	0	0	0
2	Stevens ,J (Jason Adriaan)	2	1	0	2	1	0	0	0	0	0	0	0
2	Stevens ,J (Jason Adriaan)	2	1198.5	1198.5	2	1199.6	1198.5	0	0	0	0	0	0
3	Uys ,D (Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
3	Uys ,D (Daniel)	1	1184.1	1609.1	1	1179.6	1609.1	0	0	0	0	0	0
4	Bench Van Rooyen ,R (Rj)	1	1	425	1	1	425	0	0	0	0	0	0
4	Bench Van Rooyen ,R (Rj)	1	1140.2	1565.2	1	1128.4	1565.2	0	0	0	0	0	0
5	Johnson ,A (Amber)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Johnson ,A (Amber)	1	1148	1148	1	1119.6	1148	0	0	0	0	0	0
6	Sampson ,E (Eejay)	1	1	425	1	1	425	0	0	0	0	0	0
6	Sampson ,E (Eejay)	1	1323	1748	1	1312.7	1748	0	0	0	0	0	0
7	Marner ,B (Bryan Neil)	1	1	425	1	1	425	0	0	0	0	0	0
7	Marner ,B (Bryan Neil)	1	1215.3	1640.3	1	1222	1640.3	0	0	0	0	0	0
8	Stander ,L (Louis)	1	1	425	1	1	425	0	0	0	0	0	0
8	Stander ,L (Louis)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Griebenauw ,E (Emmerich)	1	1	425	1	1	425	0	0	0	0	0	0
9	Griebenauw ,E (Emmerich)	1	1261.7	1686.7	1	1265.3	1686.7	0	0	0	0	0	0
10	Drude ,E (Eyshaan)	1	1	425	1	1	425	0	0	0	0	0	0
10	Drude ,E (Eyshaan)	1	1380.1	1805.1	1	1383.9	1805.1	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

Cronje, Z (Zac)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms