Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kotze, J (Jontey)

Chess SA id

103071925

FIDE id

Date of birth

2003-04-26 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-08-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	827	827	500	500
Raw rating	827	827	500	500
Weighted rating	826.3	826.8	500	500
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	282.1	282.1	449.5	449.5
Highest rating	1348.8 2019-07-01	1346.4 2019-07-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	827 2024-02-01	827 2024-02-01	500 2024-02-01	500 2024-02-01
Highest weighted rating	827 2024-11-01	827 2024-11-01	500 2024-11-01	500 2024-11-01
Highest weighted performance	1348.8 2019-07-01	1346.4 2019-07-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	827	827	500	500
Analysis
Rating	827	827	500	500
Raw rating	827	827	500	500
Weighted rating	826.3	826.8	500
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	282.1	282.1	449.5	449.5
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	827	827	500	500
New weighted rating	826.8	827	500	500
New weighted performance	0	0	0	0
Temp new rating	827	827	500	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	827	827	500	500
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	23	23

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	15	8	53.33	28.3	1190.1	1218.4
Standard	15	8	53.33	28.3	1190.1	1218.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	827	827	500	500
2025-09-01	827	827	500	500
2025-08-01	827	827	500	500
2025-07-01	827	827	500	500
2025-06-01	827	827	500	500
2025-05-01	827	827	500	500
2025-04-01	827	827	500	500
2025-03-01	827	827	500	500
2025-02-01	827	827	500	500
2025-01-01	827	827	500	500
2024-12-01	827	827	500	500
2024-11-01	827	827	500	500
2024-10-01	827	827	500	500
2024-09-01	827	827	500	500
2024-08-01	827	827	500	500
2024-07-01	827	827	500	500
2024-06-01	827	827	500	500
2024-08-01	827	827	500	500
2024-04-01	827	827	500	500
2024-03-01	827	827	500	500
2024-02-01	827	827	500	500
2024-01-01	827	827	500	500
2023-12-01	761.3	812	500	500
2023-11-01	761.3	812	500	500

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	2019 Gauteng School League Finals (U17 Open)	2019-08-24	2019-08-24	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
2	2019 D3 Team League (U17)	2019-07-20	2019-07-20	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
3	2019 D3 Individuals (U18 Boys)	2019-04-13	2019-04-13	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2019 D3 Individuals				Tournament 2019 D3 Team League
		date 2019-04-13	rnd 5	type Standard	result 1	date 2019-07-20	rnd 4	type Standard	result 1
		Opponent Olaokun, M (Mayowa)				Opponent Malele, KP (Kabelo Precious)
2	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-24	rnd 4	type Standard	result 0.5	date 2019-08-24	rnd 4	type Standard	result 0.5
		Opponent Moshisha, B (Boikano)				Opponent Moshisha, B (Boikano)
3	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-24	rnd 1	type Standard	result 1	date 2019-08-24	rnd 1	type Standard	result 1
		Opponent Tutu, S (Sindiswa)				Opponent Tutu, S (Sindiswa)

#	Games	Start				End
1	5	Tournament 2019 D3 Individuals				Tournament 2019 D3 Team League
		date 2019-04-13	rnd 5	type Standard	result 1	date 2019-07-20	rnd 4	type Standard	result 1
		Opponent Olaokun, M (Mayowa)				Opponent Malele, KP (Kabelo Precious)
2	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-24	rnd 4	type Standard	result 0.5	date 2019-08-24	rnd 4	type Standard	result 0.5
		Opponent Moshisha, B (Boikano)				Opponent Moshisha, B (Boikano)
3	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-24	rnd 1	type Standard	result 1	date 2019-08-24	rnd 1	type Standard	result 1
		Opponent Tutu, S (Sindiswa)				Opponent Tutu, S (Sindiswa)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2019 D3 Individuals				Tournament 2019 D3 Team League
		date 2019-04-13	rnd 5	type Standard	result 1	date 2019-07-20	rnd 4	type Standard	result 1
		Opponent Olaokun, M (Mayowa)				Opponent Malele, KP (Kabelo Precious)
2	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-24	rnd 1	type Standard	result 1	date 2019-08-24	rnd 1	type Standard	result 1
		Opponent Tutu, S (Sindiswa)				Opponent Tutu, S (Sindiswa)
3	1	Tournament 2019 D3 Individuals				Tournament 2019 D3 Individuals
		date 2019-04-13	rnd 1	type Standard	result 1	date 2019-04-13	rnd 1	type Standard	result 1
		Opponent Van Zyl, H (Hein)				Opponent Van Zyl, H (Hein)

#	Games	Start				End
1	5	Tournament 2019 D3 Individuals				Tournament 2019 D3 Team League
		date 2019-04-13	rnd 5	type Standard	result 1	date 2019-07-20	rnd 4	type Standard	result 1
		Opponent Olaokun, M (Mayowa)				Opponent Malele, KP (Kabelo Precious)
2	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-24	rnd 1	type Standard	result 1	date 2019-08-24	rnd 1	type Standard	result 1
		Opponent Tutu, S (Sindiswa)				Opponent Tutu, S (Sindiswa)
3	1	Tournament 2019 D3 Individuals				Tournament 2019 D3 Individuals
		date 2019-04-13	rnd 1	type Standard	result 1	date 2019-04-13	rnd 1	type Standard	result 1
		Opponent Van Zyl, H (Hein)				Opponent Van Zyl, H (Hein)

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	Tutu ,S (Sindiswa)	1	1	425	1	1	425	0	0	0	0	0	0
1	Tutu ,S (Sindiswa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	De Beer ,T (Thinus)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	De Beer ,T (Thinus)	1	1256.5	831.5	1	1257.2	831.5	0	0	0	0	0	0
3	Xivono ,N (Nissi)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Xivono ,N (Nissi)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Woest ,M (Megan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Woest ,M (Megan)	1	1229.9	804.9	1	1232.1	804.9	0	0	0	0	0	0
5	Slabber ,C (Coenraad)	1	1	425	1	1	425	0	0	0	0	0	0
5	Slabber ,C (Coenraad)	1	1176.3	1601.3	1	1171.1	1601.3	0	0	0	0	0	0
6	Bouwer ,JM (Juan Michael)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Bouwer ,JM (Juan Michael)	1	1028.6	603.6	1	1020	603.6	0	0	0	0	0	0
7	Msiwa ,L (Lerato)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Msiwa ,L (Lerato)	1	1273.3	848.3	1	1281.3	848.3	0	0	0	0	0	0
8	Olaokun ,M (Mayowa)	1	1	425	1	1	425	0	0	0	0	0	0
8	Olaokun ,M (Mayowa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Van Zyl ,H (Hein)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Zyl ,H (Hein)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Berendt ,U (Ulrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Berendt ,U (Ulrich)	1	1132.3	707.3	1	1118.8	707.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Kotze, J (Jontey)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms