Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jantjies, J (Juzeen)

Chess SA id

1070141827

FIDE id

Date of birth

2007-06-07 (U20)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1280

Item	Main	Standard	Rapid	Blitz
Rating	1238.9	1257.4	1173.7	1200
Raw rating	1238.9	1257.4	1173.7	1200
Weighted rating	1206.1	1218.4	1172.1	1200
Weighted performance	1186.3	1204	0	0
Floor	738.9	757.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.9	152.8	172.1	165.8
Highest rating	1238.9 2025-06-01	1257.4 2025-06-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1238.9 2025-06-01	1257.4 2025-06-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1238.9 2018-10-01	1257.4 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1238.9 2025-06-01	1257.4 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1238.9	1257.4	1173.7	1200
Analysis
Rating	1238.9	1257.4	1173.7	1200
Raw rating	1238.9	1257.4	1173.7	1200
Weighted rating	1206.1	1218.4	1172.1
Weighted performance	1186.3	1204	0
K-factor	36	36	36	36
Floor	738.9	757.4	700	700
Max/Min rating change allowed	156.9	152.8	172.1	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	1238.9	1257.4	1173.7	1200
New weighted rating	1209.7	1223	1172.1	1200
New weighted performance	1185.9	1203.5	0	0
Temp new rating	1238.9	1257.4	1173.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1238.9	1257.4	1173.7	1200
New K-factor	36	36	36	36
New floor	738.9	757.4	700	700

Item	Main	Standard	Rapid
	0	0	0
	20	20	0
	8	4	4
	5	5	0
	5	0	5
	0	0	0
History	38	29	9

Games since
	Main 28	Standard 24		Rapid 4		Blitz 0
Gender	Male
Age group	U20
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	20	11.5	57.5	63.8	1222.7	1286.5
Standard	20	11.5	57.5	63.8	1222.7	1286.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	38	18.5	48.68	-11.2	1235	1223.8
Standard	29	15.5	53.45	29.3	1221.8	1251.1
Rapid	9	3	33.33	-141.7	1277.5	1135.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1238.9	1257.4	1173.7	1200
2025-09-01	1238.9	1257.4	1173.7	1200
2025-08-01	1238.9	1257.4	1173.7	1200
2025-07-01	1238.9	1257.4	1173.7	1200
2025-06-01	1238.9	1257.4	1173.7	1200
2025-05-01	1229.5	1248.3	1173.7	1200
2025-04-01	1215.6	1230.2	1173.7	1200
2025-03-01	1182.4	1193.3	1173.7	1200
2025-02-01	1177.8	1192	1172.9	1200
2025-01-01	1177.8	1192	1157.2	1200
2024-12-01	1177.8	1192	1157.2	1200
2024-11-01	1177.8	1192	1157.2	1200
2024-10-01	1177.8	1192	1157.2	1200
2024-09-01	1177.8	1192	1157.2	1200
2024-08-01	1194.2	1192	1184.8	1200
2024-07-01	1194.2	1192	1184.8	1200
2024-06-01	1169.7	1162.4	1184.8	1200
2024-08-01	1169.7	1162.4	1184.8	1200
2024-04-01	1169.7	1162.4	1184.8	1200
2024-03-01	1169.7	1162.4	1184.8	1200
2024-02-01	1169.7	1162.4	1184.8	1200
2024-01-01	1169.7	1162.4	1184.8	1200
2023-12-01	1169.7	1162.4	1184.8	1200
2023-11-01	1169.7	1162.4	1184.8	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	SBDCA Closed 2025 (U20)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
2	SBD Trials Graaff Reinet 12 April 2025 (U20+Open)	2025-04-12	2025-04-12	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
3	SBDCA Trials GRT 22 March 2025 (U20)	2025-03-22	2025-03-22	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
4	SBDCU Graaff-Reinet Trials 2025 (U20+Open)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCA Closed 2025 (U20)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
2	SBD Trials Graaff Reinet 12 April 2025 (U20+Open)	2025-04-12	2025-04-12	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
3	SBDCA Trials GRT 22 March 2025 (U20)	2025-03-22	2025-03-22	Standard	Sarah Baartman (ESB)	5	5	3.5	Yes	Analysis
4	SBDCU Graaff-Reinet Trials 2025 (U20+Open)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	4	2	Yes	Analysis
5	Sarah Baartman District Schools Trials 2024 (U18 Boys)	2024-08-03	2024-08-03	Rapid	Sarah Baartman (ESB)	5	4	1	Yes	Analysis
6	SBDCU Trial 3 2024 (U18)	2024-06-01	2024-06-01	Standard	Sarah Baartman (ESB)	5	4	2.5	Yes	Analysis
7	SBDCU Trial 2 2023 (U18)	2023-04-01	2023-04-01	Standard	Sarah Baartman (ESB)	5	5	1.5	Yes	Analysis
8	Sarah Baartman Trials 2022 ( U15 Boys)	2022-05-21	2022-05-21	Rapid	Sarah Baartman (ESB)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament SBDCU Trial 3 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-06-01	rnd 2	type Standard	result 0.5	date 2024-08-03	rnd 2	type Rapid	result 0.5
		Opponent Arends, J (Josh)				Opponent Davids, A (Alzane)
2	3	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Meshilinie, M (Mcallistair)				Opponent Meshilinie, M (Mcallistair)
3	2	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament SBDCA Closed 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Groves, C (Christina)				Opponent Meshilinie, M (Mcallistair)

#	Games	Start				End
1	5	Tournament SBDCU Trial 3 2024				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2024-06-01	rnd 2	type Standard	result 0.5	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Arends, J (Josh)				Opponent Kapp, C (Christiaan)
2	3	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Meshilinie, M (Mcallistair)				Opponent Meshilinie, M (Mcallistair)
3	2	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament SBDCA Closed 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Groves, C (Christina)				Opponent Meshilinie, M (Mcallistair)

#	Games	Start				End
1	2	Tournament Sarah Baartman Trials 2022				Tournament Sarah Baartman Trials 2022
		date 2022-05-21	rnd 3	type Rapid	result 1	date 2022-05-21	rnd 4	type Rapid	result 1
		Opponent Harmse, K (Keenan)				Opponent Terblanche, N (Nathaniel-Jayoen)
2	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 4	type Rapid	result 0.5	date 2024-08-03	rnd 4	type Rapid	result 0.5
		Opponent Maarman, M (Michayle)				Opponent Maarman, M (Michayle)
3	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 2	type Rapid	result 0.5	date 2024-08-03	rnd 2	type Rapid	result 0.5
		Opponent Davids, A (Alzane)				Opponent Davids, A (Alzane)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament SBDCA Closed 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Groves, C (Christina)				Opponent Meshilinie, M (Mcallistair)
2	2	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Van der Sandt, A (Alviano)				Opponent Feni, A (Aviwe)
3	2	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Menzi, A (Achumile)				Opponent Kapp, C (Christiaan)

#	Games	Start				End
1	4	Tournament SBDCU Trial 3 2024				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2024-06-01	rnd 3	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Japhta, N (Nina)				Opponent Kapp, C (Christiaan)
2	2	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament SBDCA Closed 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Groves, C (Christina)				Opponent Meshilinie, M (Mcallistair)
3	2	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Van der Sandt, A (Alviano)				Opponent Feni, A (Aviwe)

#	Games	Start				End
1	2	Tournament Sarah Baartman Trials 2022				Tournament Sarah Baartman Trials 2022
		date 2022-05-21	rnd 3	type Rapid	result 1	date 2022-05-21	rnd 4	type Rapid	result 1
		Opponent Harmse, K (Keenan)				Opponent Terblanche, N (Nathaniel-Jayoen)

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	Meshilinie ,M (Mcallistair)	3	3	425	3	3	425	0	0	0	0	0	0
1	Meshilinie ,M (Mcallistair)	3	1136.7	1561.7	3	1137.2	1561.7	0	0	0	0	0	0
2	Davids ,A (Alzane)	3	0.5	-283.3	2	0	-425	1	0.5	0	0	0	0
2	Davids ,A (Alzane)	3	1254.7	971.3	2	1224.2	829.7	1	1226.4	1254.7	0	0	0
3	Feni ,A (Aviwe)	2	1	0	2	1	0	0	0	0	0	0	0
3	Feni ,A (Aviwe)	2	1218.4	1218.4	2	1221.8	1218.4	0	0	0	0	0	0
4	Rossouw ,A (Andries)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Rossouw ,A (Andries)	2	1255.8	830.8	2	1265.3	830.8	0	0	0	0	0	0
5	Manana ,L (Lubusiso)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Manana ,L (Lubusiso)	2	1350.8	925.8	1	1359.7	925.8	1	1269.2	925.8	0	0	0
6	Van der Sandt ,A (Alviano)	1	1	425	1	1	425	0	0	0	0	0	0
6	Van der Sandt ,A (Alviano)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Persensie ,A (Akeal)	1	1	425	1	1	425	0	0	0	0	0	0
7	Persensie ,A (Akeal)	1	1212.9	1637.9	1	1226.2	1637.9	0	0	0	0	0	0
8	Groves ,C (Christina)	1	1	425	1	1	425	0	0	0	0	0	0
8	Groves ,C (Christina)	1	1189.4	1614.4	1	1187.4	1614.4	0	0	0	0	0	0
9	Fourie ,N (Neelon)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Fourie ,N (Neelon)	1	1366.4	941.4	1	1357.1	941.4	0	0	0	0	0	0
10	September ,J (Johnalize)	1	1	425	1	1	425	0	0	0	0	0	0
10	September ,J (Johnalize)	1	1200	1625	1	1200	1625	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

Jantjies, J (Juzeen)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms