Chess South Africa Ratings Database

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Personal

Van Vliet, J (Janu)

Chess SA id

1140306417

FIDE id

Date of birth

2014-01-10 (U12)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1062.9

Item	Main	Standard	Rapid	Blitz
Rating	1193.4	1207.4	1168.3	1200
Raw rating	1193.4	1207.4	1168.3	1200
Weighted rating	1181.5	1199.4	1164.1	1200
Weighted performance	1150.7	1148.4	0	0
Floor	700	707.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.4	164.1	173.5	165.8
Highest rating	1200 2024-12-01	1207.4 2025-09-01	1200 2024-12-01	1200 2024-07-01
Highest raw rating	1200 2024-06-01	1207.4 2025-09-01	1200 2024-06-01	1200 2024-07-01
Highest weighted rating	1200 2024-12-01	1200 2024-07-01	1200 2024-12-01	1200 2024-07-01
Highest weighted performance	1200 2024-12-01	1200 2024-07-01	1200 2024-12-01	1200 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1193.4	1207.4	1168.3	1200
Analysis
Rating	1193.4	1207.4	1168.3	1200
Raw rating	1193.4	1207.4	1168.3	1200
Weighted rating	1181.5	1199.4	1164.1
Weighted performance	1150.7	1148.4	0
K-factor	36	36	36	36
Floor	700	707.4	700	700
Max/Min rating change allowed	167.4	164.1	173.5	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	1193.4	1207.4	1168.3	1200
New weighted rating	1182.2	1200	1163.9	1200
New weighted performance	1150.3	1148	0	0
Temp new rating	1193.4	1207.4	1168.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1193.4	1207.4	1168.3	1200
New K-factor	36	36	36	36
New floor	700	707.4	700	700

Item	Main	Standard	Rapid
	0	0	0
	42	42	0
	6	0	6
	0	0	0
	0	0	0
	0	0	0
History	48	42	6

Games since
	Main 48	Standard 42		Rapid 6		Blitz 0
Gender	Male
Age group	U12
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	4068		560		181
Male	3051		440		150
U12	686		79		23
U12 Male	468		57		19
Standard
	RSA		Province		Region
Overall	3869		546		169
Male	2916		434		138
U12	624		76		23
U12 Male	429		56		19
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	42	10	23.81	-222.6	1280.5	1057.9
Standard	42	10	23.81	-222.6	1280.5	1057.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	48	11.5	23.96	-221.4	1268.5	1047.2
Standard	42	10	23.81	-222.6	1280.5	1057.9
Rapid	6	1.5	25	-212.5	1184.5	972
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1193.4	1207.4	1168.3	1200
2025-09-01	1193.4	1207.4	1168.3	1200
2025-08-01	1179.9	1196.8	1168.3	1200
2025-07-01	1178.2	1194.9	1168.3	1200
2025-06-01	1176.1	1191.8	1168.3	1200
2025-05-01	1179.7	1195.7	1168.3	1200
2025-04-01	1182.8	1199	1168.3	1200
2025-03-01	1179.2	1193.9	1168.3	1200
2025-02-01	1183.4	1200	1167.2	1200
2025-01-01	1169.7	1200	1140	1200
2024-12-01	1169.7	1200	1140	1200
2024-11-01	1169.7	1200	1140	1200
2024-10-01	1169.7	1200	1140	1200
2024-09-01	1169.7	1200	1140	1200
2024-08-01	1169.7	1200	1140	1200
2024-07-01	1169.7	1200	1140	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2023-11-01	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	UCC Mind Over Board 2025 (B)	2025-08-01	2025-08-03	Standard	Nelson Mandela Bay (ENM)	5	4	2	Yes	Analysis
2	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	5	1	Yes	Analysis
3	Eastern Cape Inter-Regional Team Chess Championship 2025 (U12)	2025-07-10	2025-07-11	Standard	Amathole (EAL)	5	3	0	Yes	Analysis
4	Fide in the Bay 2025 (B)	2025-07-05	2025-07-05	Standard	Nelson Mandela Bay (ENM)	5	4	2	Yes	Analysis
5	NMBCU Closed 2025 (U12)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
6	NMBCU Trial 4 2025 (U12)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	5	0.5	Yes	Analysis
7	Karen Ashworth 2025 (C)	2025-04-26	2025-04-26	Standard	Nelson Mandela Bay (ENM)	5	5	1.5	Yes	Analysis
8	NMB 3rd Trials 2025 (U12)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
9	NMBCH Trial 1 2025 (U12)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	6	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	UCC Mind Over Board 2025 (B)	2025-08-01	2025-08-03	Standard	Nelson Mandela Bay (ENM)	5	4	2	Yes	Analysis
2	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	5	1	Yes	Analysis
3	Eastern Cape Inter-Regional Team Chess Championship 2025 (U12)	2025-07-10	2025-07-11	Standard	Amathole (EAL)	5	3	0	Yes	Analysis
4	Fide in the Bay 2025 (B)	2025-07-05	2025-07-05	Standard	Nelson Mandela Bay (ENM)	5	4	2	Yes	Analysis
5	NMBCU Closed 2025 (U12)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
6	NMBCU Trial 4 2025 (U12)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	5	0.5	Yes	Analysis
7	Karen Ashworth 2025 (C)	2025-04-26	2025-04-26	Standard	Nelson Mandela Bay (ENM)	5	5	1.5	Yes	Analysis
8	NMB 3rd Trials 2025 (U12)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	5	1	Yes	Analysis
9	NMBCH Trial 1 2025 (U12)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	6	1	Yes	Analysis
10	Willow Academy 2024 (C)	2024-06-22	2024-06-22	Rapid	Nelson Mandela Bay (ENM)	6	6	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament NMBCU Closed 2025				Tournament Fide in the Bay 2025
		date 2025-06-14	rnd 6	type Standard	result 1	date 2025-07-05	rnd 1	type Standard	result 1
		Opponent Mouton, W (Wyatt)				Opponent Armstrong, K (Kristin)
2	2	Tournament Karen Ashworth 2025				Tournament Karen Ashworth 2025
		date 2025-04-26	rnd 3	type Standard	result 1	date 2025-04-26	rnd 4	type Standard	result 0.5
		Opponent Coetzer, H (Hanroux)				Opponent Grobler, G (Gabi)
3	2	Tournament Willow Academy 2024				Tournament Willow Academy 2024
		date 2024-06-22	rnd 3	type Rapid	result 0.5	date 2024-06-22	rnd 4	type Rapid	result 1
		Opponent Sana, A (Azakhanye)				Opponent Van Eck, H (Hunter)

#	Games	Start				End
1	2	Tournament NMBCU Closed 2025				Tournament Fide in the Bay 2025
		date 2025-06-14	rnd 6	type Standard	result 1	date 2025-07-05	rnd 1	type Standard	result 1
		Opponent Mouton, W (Wyatt)				Opponent Armstrong, K (Kristin)
2	2	Tournament Karen Ashworth 2025				Tournament Karen Ashworth 2025
		date 2025-04-26	rnd 3	type Standard	result 1	date 2025-04-26	rnd 4	type Standard	result 0.5
		Opponent Coetzer, H (Hanroux)				Opponent Grobler, G (Gabi)
3	1	Tournament UCC Mind Over Board 2025				Tournament UCC Mind Over Board 2025
		date 2025-08-03	rnd 5	type Standard	result 1	date 2025-08-03	rnd 5	type Standard	result 1
		Opponent Greeff, N (Nathan)				Opponent Greeff, N (Nathan)

#	Games	Start				End
1	2	Tournament Willow Academy 2024				Tournament Willow Academy 2024
		date 2024-06-22	rnd 3	type Rapid	result 0.5	date 2024-06-22	rnd 4	type Rapid	result 1
		Opponent Sana, A (Azakhanye)				Opponent Van Eck, H (Hunter)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament NMBCU Closed 2025				Tournament Fide in the Bay 2025
		date 2025-06-14	rnd 6	type Standard	result 1	date 2025-07-05	rnd 1	type Standard	result 1
		Opponent Mouton, W (Wyatt)				Opponent Armstrong, K (Kristin)
2	1	Tournament UCC Mind Over Board 2025				Tournament UCC Mind Over Board 2025
		date 2025-08-03	rnd 5	type Standard	result 1	date 2025-08-03	rnd 5	type Standard	result 1
		Opponent Greeff, N (Nathan)				Opponent Greeff, N (Nathan)
3	1	Tournament UCC Mind Over Board 2025				Tournament UCC Mind Over Board 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Andrews, T (Timothy)				Opponent Andrews, T (Timothy)

#	Games	Start				End
1	2	Tournament NMBCU Closed 2025				Tournament Fide in the Bay 2025
		date 2025-06-14	rnd 6	type Standard	result 1	date 2025-07-05	rnd 1	type Standard	result 1
		Opponent Mouton, W (Wyatt)				Opponent Armstrong, K (Kristin)
2	1	Tournament UCC Mind Over Board 2025				Tournament UCC Mind Over Board 2025
		date 2025-08-03	rnd 5	type Standard	result 1	date 2025-08-03	rnd 5	type Standard	result 1
		Opponent Greeff, N (Nathan)				Opponent Greeff, N (Nathan)
3	1	Tournament UCC Mind Over Board 2025				Tournament UCC Mind Over Board 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Andrews, T (Timothy)				Opponent Andrews, T (Timothy)

#	Games	Start				End
1	1	Tournament Willow Academy 2024				Tournament Willow Academy 2024
		date 2024-06-22	rnd 4	type Rapid	result 1	date 2024-06-22	rnd 4	type Rapid	result 1
		Opponent Van Eck, H (Hunter)				Opponent Van Eck, H (Hunter)

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	Brown ,Z (Zachery)	4	0.5	-318.8	3	0.5	-283.3	1	0	-425	0	0	0
1	Brown ,Z (Zachery)	4	1209.2	890.4	3	1209.4	925.8	1	1200	784.2	0	0	0
2	Mouton ,W (Wyatt)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Mouton ,W (Wyatt)	3	1176	1034.3	3	1186.6	1034.3	0	0	0	0	0	0
3	Wimble ,M (Matthew)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Wimble ,M (Matthew)	3	1205.1	780.1	3	1206.2	780.1	0	0	0	0	0	0
4	Coetzer ,H (Hanroux)	2	1	0	2	1	0	0	0	0	0	0	0
4	Coetzer ,H (Hanroux)	2	1227.4	1227.4	2	1285.6	1227.4	0	0	0	0	0	0
5	Van Greunen ,W (Willem)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Van Greunen ,W (Willem)	2	1363.9	938.9	2	1385.1	938.9	0	0	0	0	0	0
6	Mabutho ,S (Simingayo)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Mabutho ,S (Simingayo)	2	1333.2	908.2	2	1332.2	908.2	0	0	0	0	0	0
7	Van Dyk ,B (Ben)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Van Dyk ,B (Ben)	2	1299.5	874.5	2	1302.6	874.5	0	0	0	0	0	0
8	Jacobs ,J (Joel)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Jacobs ,J (Joel)	2	1401.7	976.7	2	1400.1	976.7	0	0	0	0	0	0
9	Armstrong ,K (Kristin)	2	1	0	1	1	425	1	0	-425	0	0	0
9	Armstrong ,K (Kristin)	2	1210.7	1210.7	1	1311.4	1635.7	1	1200	785.7	0	0	0
10	Sizani ,I (Iviwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Sizani ,I (Iviwe)	1	1402.7	977.7	1	1301.3	977.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Van Vliet, J (Janu)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms