Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jantjies, A (Antionette)

Chess SA id

2130315293

FIDE id

Date of birth

2013-09-11 (U14)

Gender

Female

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1229.8	1227	1200	1200
Raw rating	1229.8	1227	1200	1200
Weighted rating	1223.6	1223.9	1200	1200
Weighted performance	0	0	0	0
Floor	767.4	775.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.9	159.6	165.8	165.8
Highest rating	1267.4 2025-06-01	1275.8 2025-06-01	1200 2025-03-01	1200 2025-03-01
Highest raw rating	1267.4 2025-06-01	1275.8 2025-06-01	1200 2025-03-01	1200 2025-03-01
Highest weighted rating	1216.4 2025-08-01	1218.1 2025-08-01	1200 2025-03-01	1200 2025-03-01
Highest weighted performance	1179.7 2025-08-01	1173.1 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	1229.8	1227	1200	1200
Analysis
Rating	1229.8	1227	1200	1200
Raw rating	1229.8	1227	1200	1200
Weighted rating	1223.6	1223.9	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	767.4	775.8	700	700
Max/Min rating change allowed	158.9	159.6	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	1229.8	1227	1200	1200
New weighted rating	1224.8	1224.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1229.8	1227	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1229.8	1227	1200	1200
New K-factor	36	36	36	36
New floor	767.4	775.8	700	700

Item	Main	Standard
	0	0
	25	25
	0	0
	0	0
	0	0
	0	0
History	25	25

Games since
	Main 25	Standard 25		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-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	25	12	48	-17	1253.3	1236.3
Standard	25	12	48	-17	1253.3	1236.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	12	48	-17	1253.3	1236.3
Standard	25	12	48	-17	1253.3	1236.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1229.8	1227	1200	1200
2025-11-30	1229.8	1227	1200	1200
2025-11-01	1229.8	1227	1200	1200
2025-09-30	1229.8	1227	1200	1200
2025-09-01	1229.8	1227	1200	1200
2025-08-01	1229.8	1227	1200	1200
2025-07-01	1267.4	1275.8	1200	1200
2025-06-01	1267.4	1275.8	1200	1200
2025-05-01	1244.5	1252.7	1200	1200
2025-04-01	1212.8	1214.5	1200	1200
2025-03-01	1198.3	1198.1	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
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	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

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	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U14 Girls)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	4	0.5	Yes	Analysis
2	SBDCA Closed 2025 (U14 Girls)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	3.5	Yes	Analysis
3	SBD Trials Graaff Reinet 12 April 2025 (U14)	2025-04-12	2025-04-12	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
4	SBDCA Trials GRT 22 March 2025 (U14 Girls)	2025-03-22	2025-03-22	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
5	SBDCU Graaff-Reinet Trials 2025 (U14)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-03-22	rnd 3	type Standard	result 0.5	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Petrus, L (Layla)				Opponent Mcinga, S (Simo)
2	3	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 6	type Standard	result 1
		Opponent Scheepers, G (Gia)				Opponent Mthembu, A (Alibongwe)
3	2	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-04-12	rnd 3	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Persensie, B (Biono)				Opponent Jacobs, M (Matthew)

#	Games	Start				End
1	4	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-03-22	rnd 3	type Standard	result 0.5	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Petrus, L (Layla)				Opponent Mcinga, S (Simo)
2	3	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 6	type Standard	result 1
		Opponent Scheepers, G (Gia)				Opponent Mthembu, A (Alibongwe)
3	2	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-04-12	rnd 3	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Persensie, B (Biono)				Opponent Jacobs, M (Matthew)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-04-12	rnd 3	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Persensie, B (Biono)				Opponent Jacobs, M (Matthew)
2	2	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-03-22	rnd 5	type Standard	result 1	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Labuschagne, M (Mia)				Opponent Mcinga, S (Simo)
3	1	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 6	type Standard	result 1	date 2025-05-10	rnd 6	type Standard	result 1
		Opponent Mthembu, A (Alibongwe)				Opponent Mthembu, A (Alibongwe)

#	Games	Start				End
1	2	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-04-12	rnd 3	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Persensie, B (Biono)				Opponent Jacobs, M (Matthew)
2	2	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-03-22	rnd 5	type Standard	result 1	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Labuschagne, M (Mia)				Opponent Mcinga, S (Simo)
3	1	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 6	type Standard	result 1	date 2025-05-10	rnd 6	type Standard	result 1
		Opponent Mthembu, A (Alibongwe)				Opponent Mthembu, A (Alibongwe)

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	Jebe ,U (Unabantu)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Jebe ,U (Unabantu)	2	1221.1	796.1	2	1195.6	796.1	0	0	0	0	0	0
2	Jacobs ,M (Matthew)	2	1	0	2	1	0	0	0	0	0	0	0
2	Jacobs ,M (Matthew)	2	1209.8	1209.8	2	1214.3	1209.8	0	0	0	0	0	0
3	Williams ,C (Cayra)	1	1	425	1	1	425	0	0	0	0	0	0
3	Williams ,C (Cayra)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Cornelius ,Z (Zandrich)	1	1	425	1	1	425	0	0	0	0	0	0
4	Cornelius ,Z (Zandrich)	1	1193.3	1618.3	1	1200	1618.3	0	0	0	0	0	0
5	Theron ,S (Shana)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Theron ,S (Shana)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Knoesen ,M (Mason)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Knoesen ,M (Mason)	1	1162.7	737.7	1	1175.8	737.7	0	0	0	0	0	0
7	George Williams ,T (Talitha)	1	1	425	1	1	425	0	0	0	0	0	0
7	George Williams ,T (Talitha)	1	1196.4	1621.4	1	1195.6	1621.4	0	0	0	0	0	0
8	Mcinga ,S (Simo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mcinga ,S (Simo)	1	1194.7	1619.7	1	1193.7	1619.7	0	0	0	0	0	0
9	Goliath ,C (Caron)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Goliath ,C (Caron)	1	1627.6	1202.6	1	1624.2	1202.6	0	0	0	0	0	0
10	Swartz ,JZ (Jane Zavier)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Swartz ,JZ (Jane Zavier)	1	1399.8	974.8	1	1366.3	974.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Jantjies, A (Antionette)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms