Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vorster, J (Jumari)

Chess SA id

1130300478

FIDE id

Date of birth

2013-03-17 (U14)

Gender

Male

Region

Capricorn (LCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1189.1	1188.9	1196.1	1200
Raw rating	1189.1	1188.9	1196.1	1200
Weighted rating	1187.9	1187.8	1195.5	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	168.4	168.5	166.7	165.8
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-04-01	1200 2024-04-01
Highest raw rating	1200 2024-03-01	1200 2024-03-01	1200 2024-04-01	1200 2024-04-01
Highest weighted rating	1200 2024-11-01	1200 2024-11-01	1200 2024-04-01	1200 2024-04-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-04-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1189.1	1188.9	1196.1	1200
Analysis
Rating	1189.1	1188.9	1196.1	1200
Raw rating	1189.1	1188.9	1196.1	1200
Weighted rating	1187.9	1187.8	1195.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	168.4	168.5	166.7	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	1189.1	1188.9	1196.1	1200
New weighted rating	1187.9	1187.8	1195.5	1200
New weighted performance	0	0	0	0
Temp new rating	1189.1	1188.9	1196.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1189.1	1188.9	1196.1	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	13	9	4
	0	0	0
	0	0	0
	0	0	0
History	13	9	4

Games since
	Main 13	Standard 9		Rapid 4		Blitz 0
Gender	Male
Age group	U14
Region	Capricorn (LCP)
Province	Limpopo (LP)
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	13	6	46.15	-32.7	1189.8	1157.1
Standard	9	4	44.44	-47.2	1203.1	1155.9
Rapid	4	2	50	0	1159.8	1159.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1189.1	1188.9	1196.1	1200
2025-09-01	1189.1	1188.9	1196.1	1200
2025-08-01	1189.1	1188.9	1196.1	1200
2025-07-01	1189.1	1188.9	1196.1	1200
2025-06-01	1189.1	1188.9	1196.1	1200
2025-05-01	1189.1	1188.9	1196.1	1200
2025-04-01	1189.1	1188.9	1196.1	1200
2025-03-01	1189.1	1188.9	1196.1	1200
2025-02-01	1189	1188.9	1195.9	1200
2025-01-01	1184.3	1185.2	1191.6	1200
2024-12-01	1184.3	1185.2	1191.6	1200
2024-11-01	1184.3	1185.2	1191.6	1200
2024-10-01	1184.3	1185.2	1191.6	1200
2024-09-01	1184.3	1185.2	1191.6	1200
2024-08-01	1184.3	1185.2	1191.6	1200
2024-07-01	1186.7	1185.2	1200	1200
2024-06-01	1186.7	1185.2	1200	1200
2024-08-01	1181.1	1177.2	1200	1200
2024-04-01	1181.1	1177.2	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

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	Mopani Open 2024 (B)	2024-07-13	2024-07-13	Rapid	Mopani (LMG)	5	4	2	Yes	Analysis
2	Capricorn Junior Qualifying 4 2024 (U16)	2024-05-04	2024-05-04	Standard	Capricorn (LCP)	5	5	2.5	Yes	Analysis
3	Capricorn Open Chess Championship 2024 (C)	2024-03-02	2024-03-02	Standard	Capricorn (LCP)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Mopani Open 2024				Tournament Mopani Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Cronje, K (Karlien)				Opponent Van Der Merwe, M (Monica)
2	2	Tournament Capricorn Junior Qualifying 4 2024				Tournament Capricorn Junior Qualifying 4 2024
		date 2024-05-04	rnd 4	type Standard	result 1	date 2024-05-04	rnd 5	type Standard	result 0.5
		Opponent Lethole, M (Modidi)				Opponent Mclaughlin, M (Mathew)
3	1	Tournament Capricorn Junior Qualifying 4 2024				Tournament Capricorn Junior Qualifying 4 2024
		date 2024-05-04	rnd 1	type Standard	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Molekwa, M (Morgan)				Opponent Molekwa, M (Morgan)

#	Games	Start				End
1	2	Tournament Capricorn Junior Qualifying 4 2024				Tournament Capricorn Junior Qualifying 4 2024
		date 2024-05-04	rnd 4	type Standard	result 1	date 2024-05-04	rnd 5	type Standard	result 0.5
		Opponent Lethole, M (Modidi)				Opponent Mclaughlin, M (Mathew)
2	1	Tournament Capricorn Junior Qualifying 4 2024				Tournament Capricorn Junior Qualifying 4 2024
		date 2024-05-04	rnd 1	type Standard	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Molekwa, M (Morgan)				Opponent Molekwa, M (Morgan)
3	1	Tournament Capricorn Open Chess Championship 2024				Tournament Capricorn Open Chess Championship 2024
		date 2024-03-02	rnd 4	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Masia, K (Kabelo)				Opponent Masia, K (Kabelo)

#	Games	Start				End
1	2	Tournament Mopani Open 2024				Tournament Mopani Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Cronje, K (Karlien)				Opponent Van Der Merwe, M (Monica)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Mopani Open 2024				Tournament Mopani Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Cronje, K (Karlien)				Opponent Van Der Merwe, M (Monica)
2	1	Tournament Capricorn Junior Qualifying 4 2024				Tournament Capricorn Junior Qualifying 4 2024
		date 2024-05-04	rnd 4	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Lethole, M (Modidi)				Opponent Lethole, M (Modidi)
3	1	Tournament Capricorn Junior Qualifying 4 2024				Tournament Capricorn Junior Qualifying 4 2024
		date 2024-05-04	rnd 1	type Standard	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Molekwa, M (Morgan)				Opponent Molekwa, M (Morgan)

#	Games	Start				End
1	1	Tournament Capricorn Junior Qualifying 4 2024				Tournament Capricorn Junior Qualifying 4 2024
		date 2024-05-04	rnd 4	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Lethole, M (Modidi)				Opponent Lethole, M (Modidi)
2	1	Tournament Capricorn Junior Qualifying 4 2024				Tournament Capricorn Junior Qualifying 4 2024
		date 2024-05-04	rnd 1	type Standard	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Molekwa, M (Morgan)				Opponent Molekwa, M (Morgan)
3	1	Tournament Capricorn Open Chess Championship 2024				Tournament Capricorn Open Chess Championship 2024
		date 2024-03-02	rnd 4	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Masia, K (Kabelo)				Opponent Masia, K (Kabelo)

#	Games	Start				End
1	2	Tournament Mopani Open 2024				Tournament Mopani Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 5	type Rapid	result 1
		Opponent Cronje, K (Karlien)				Opponent Van Der Merwe, M (Monica)

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	Lepheana ,B (Bokamoso)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Lepheana ,B (Bokamoso)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Ikwuebesi ,I (Ifeanyichukwu)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Ikwuebesi ,I (Ifeanyichukwu)	1	1230.7	805.7	1	1242.9	805.7	0	0	0	0	0	0
3	Mclaughlin ,M (Matthew)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Mclaughlin ,M (Matthew)	1	1284.4	1284.4	1	1302	1284.4	0	0	0	0	0	0
4	Masia ,K (Kabelo)	1	1	425	1	1	425	0	0	0	0	0	0
4	Masia ,K (Kabelo)	1	1164.8	1589.8	1	1159.2	1589.8	0	0	0	0	0	0
5	Lethole ,M (Modidi)	1	1	425	1	1	425	0	0	0	0	0	0
5	Lethole ,M (Modidi)	1	1133.2	1558.2	1	1137.6	1558.2	0	0	0	0	0	0
6	Janse Van Rensburg ,PPJ (Pedrie)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Janse Van Rensburg ,PPJ (Pedrie)	1	1267.1	842.1	1	1265.6	842.1	0	0	0	0	0	0
7	Masufi ,D (Dimakatso)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Masufi ,D (Dimakatso)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Molekwa ,M (Morgan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Molekwa ,M (Morgan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Degana ,O (Oshin)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Degana ,O (Oshin)	1	1148.2	1148.2	1	1137.6	1148.2	0	0	0	0	0	0
10	Cronje ,A (Anke)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Cronje ,A (Anke)	1	1207.8	782.8	0	0	0	1	1200	782.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Vorster, J (Jumari)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms