Chess South Africa Ratings Database

PLAYER PAGE

Personal

Weitz, J (Johann)

Chess SA id

1120116373

FIDE id

Date of birth

2012-03-19 (U14)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1205.9	1198.5	1200	1200
Raw rating	1205.9	1198.5	1200	1200
Weighted rating	1181.7	1166.9	1200	1200
Weighted performance	750	744.2	0	0
Floor	802.5	818.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	164.4	166.2	165.8	165.8
Highest rating	1567.9 2019-06-01	1563 2019-06-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1302.5 2019-08-01	1318.3 2019-08-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1302.5 2019-10-01	1318.3 2019-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1567.9 2019-06-01	1563 2019-06-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1205.9	1198.5	1200	1200
Analysis
Rating	1205.9	1198.5	1200	1200
Raw rating	1205.9	1198.5	1200	1200
Weighted rating	1181.7	1166.9	1200
Weighted performance	750	744.2	0
K-factor	36	36	36	36
Floor	802.5	818.3	700	700
Max/Min rating change allowed	164.4	166.2	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	1205.9	1198.5	1200	1200
New weighted rating	1183.9	1169.8	1200	1200
New weighted performance	743.2	737.5	0	0
Temp new rating	1205.9	1198.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1205.9	1198.5	1200	1200
New K-factor	36	36	36	36
New floor	802.5	818.3	700	700

Item	Main	Standard
	0	0
	5	5
	2	2
	5	5
	0	0
	0	0
History	37	37

Games since
	Main 7	Standard 7		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	5	3	60	85	1276.4	1361.4
Standard	5	3	60	85	1276.4	1361.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	37	21.5	58.11	68.9	1165.3	1234.2
Standard	37	21.5	58.11	68.9	1165.3	1234.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1205.9	1198.5	1200	1200
2025-09-30	1205.9	1198.5	1200	1200
2025-09-01	1205.9	1198.5	1200	1200
2025-08-01	1174.5	1157.7	1200	1200
2025-07-01	1174.5	1157.7	1200	1200
2025-06-01	1174.5	1157.7	1200	1200
2025-05-01	1174.5	1157.7	1200	1200
2025-04-01	1174.5	1157.7	1200	1200
2025-03-01	1174.5	1157.7	1200	1200
2025-02-01	1174.5	1157.7	1200	1200
2025-01-01	1174.4	1157.7	1200	1200
2024-12-01	1174.4	1157.7	1200	1200
2024-11-01	1174.4	1157.7	1200	1200
2024-10-01	1174.4	1157.7	1200	1200
2024-09-01	1174.4	1157.7	1200	1200
2024-08-01	1174.4	1156.6	1200	1200
2024-07-01	1174.4	1156.6	1200	1200
2024-09-01	1174.4	1156.6	1200	1200
2024-05-01	1174.4	1156.6	1200	1200
2024-04-01	1174.4	1156.6	1200	1200
2024-03-01	1174.4	1156.6	1200	1200
2024-02-01	1174.4	1156.6	1200	1200
2024-01-01	1174.4	1156.6	1200	1200
2023-12-01	1174.4	1156.6	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	2025 Tshwane South School District CLOSED League Championship (U13A)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U13A)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13B)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	2	1	Yes	Analysis
3	2023 Tshwane South School District CLOSED Individual Championships (U11 Open)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
4	2020 Registration Tournament (E)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
5	2019 Lardies Open (D)	2019-10-26	2019-10-26	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
6	2019 Alekhine Open (F)	2019-08-09	2019-08-09	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
7	2019 Menlo Open (F)	2019-07-13	2019-07-13	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
8	2019 Swartkop Open (F)	2019-06-15	2019-06-15	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis

#	Games	Start				End
1	7	Tournament 2019 Swartkop Open				Tournament 2019 Menlo Open
		date 2019-06-15	rnd 1	type Standard	result 1	date 2019-07-13	rnd 2	type Standard	result 1
		Opponent Doyle, U (Uisce)				Opponent De Jager, G (Gustave)
2	3	Tournament 2019 Menlo Open				Tournament 2019 Alekhine Open
		date 2019-07-13	rnd 4	type Standard	result 1	date 2019-08-09	rnd 1	type Standard	result 1
		Opponent Penfold, CJ (Craig Jean)				Opponent De Jager, G (Gustave)
3	2	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 4	type Standard	result 1	date 2025-08-15	rnd 5	type Standard	result 1
		Opponent Van Den Bergh, C (Christiaan)				Opponent Mokalapa, J (Junior)

#	Games	Start				End
1	7	Tournament 2019 Swartkop Open				Tournament 2019 Menlo Open
		date 2019-06-15	rnd 1	type Standard	result 1	date 2019-07-13	rnd 2	type Standard	result 1
		Opponent Doyle, U (Uisce)				Opponent De Jager, G (Gustave)
2	3	Tournament 2019 Menlo Open				Tournament 2019 Alekhine Open
		date 2019-07-13	rnd 4	type Standard	result 1	date 2019-08-09	rnd 1	type Standard	result 1
		Opponent Penfold, CJ (Craig Jean)				Opponent De Jager, G (Gustave)
3	2	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 4	type Standard	result 1	date 2025-08-15	rnd 5	type Standard	result 1
		Opponent Van Den Bergh, C (Christiaan)				Opponent Mokalapa, J (Junior)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament 2019 Swartkop Open				Tournament 2019 Menlo Open
		date 2019-06-15	rnd 1	type Standard	result 1	date 2019-07-13	rnd 2	type Standard	result 1
		Opponent Doyle, U (Uisce)				Opponent De Jager, G (Gustave)
2	3	Tournament 2019 Menlo Open				Tournament 2019 Alekhine Open
		date 2019-07-13	rnd 4	type Standard	result 1	date 2019-08-09	rnd 1	type Standard	result 1
		Opponent Penfold, CJ (Craig Jean)				Opponent De Jager, G (Gustave)
3	2	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 4	type Standard	result 1	date 2025-08-15	rnd 5	type Standard	result 1
		Opponent Van Den Bergh, C (Christiaan)				Opponent Mokalapa, J (Junior)

#	Games	Start				End
1	7	Tournament 2019 Swartkop Open				Tournament 2019 Menlo Open
		date 2019-06-15	rnd 1	type Standard	result 1	date 2019-07-13	rnd 2	type Standard	result 1
		Opponent Doyle, U (Uisce)				Opponent De Jager, G (Gustave)
2	3	Tournament 2019 Menlo Open				Tournament 2019 Alekhine Open
		date 2019-07-13	rnd 4	type Standard	result 1	date 2019-08-09	rnd 1	type Standard	result 1
		Opponent Penfold, CJ (Craig Jean)				Opponent De Jager, G (Gustave)
3	2	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 4	type Standard	result 1	date 2025-08-15	rnd 5	type Standard	result 1
		Opponent Van Den Bergh, C (Christiaan)				Opponent Mokalapa, J (Junior)

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	De Jager ,G (Gustave)	3	3	425	3	3	425	0	0	0	0	0	0
1	De Jager ,G (Gustave)	3	1200	1625	3	1198.1	1625	0	0	0	0	0	0
2	Jansen Van Vuuren ,G (Gianni)	3	3	425	3	3	425	0	0	0	0	0	0
2	Jansen Van Vuuren ,G (Gianni)	3	1188.4	1613.4	3	1185.1	1613.4	0	0	0	0	0	0
3	Penfold ,CJ (Craig Jean)	2	2	425	2	2	425	0	0	0	0	0	0
3	Penfold ,CJ (Craig Jean)	2	1127.6	1552.6	2	1113.6	1552.6	0	0	0	0	0	0
4	Van Den Bergh ,C (Christiaan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Den Bergh ,C (Christiaan)	1	1193.6	1618.6	1	1198	1618.6	0	0	0	0	0	0
5	Yang ,S (Selina)	1	1	425	1	1	425	0	0	0	0	0	0
5	Yang ,S (Selina)	1	1101.3	1526.3	1	1087	1526.3	0	0	0	0	0	0
6	Snyman ,CW (Connor William)	1	1	425	1	1	425	0	0	0	0	0	0
6	Snyman ,CW (Connor William)	1	1016.2	1441.2	1	997.6	1441.2	0	0	0	0	0	0
7	Allison ,S (Spencer)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Allison ,S (Spencer)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Nel ,H (Henco)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Nel ,H (Henco)	1	932.7	507.7	1	936.3	507.7	0	0	0	0	0	0
9	Dekker ,H (Heinrich)	1	1	425	1	1	425	0	0	0	0	0	0
9	Dekker ,H (Heinrich)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Raats ,M (Magnus)	1	1	425	1	1	425	0	0	0	0	0	0
10	Raats ,M (Magnus)	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

Weitz, J (Johann)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms