Chess South Africa Ratings Database

PLAYER PAGE

Personal

Verreynne, J (Jaco)

Chess SA id

1090304352

FIDE id

Date of birth

2009-07-20 (U18)

Gender

Male

Region

John Taolo Gaetswewe (NCJ)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1124.3

Item	Main	Standard	Rapid	Blitz
Rating	1174.8	1169.8	1200	1200
Raw rating	1168.8	1163.7	1200	1200
Weighted rating	1174.8	1169.8	1200	1200
Weighted performance	1050.9	1054.1	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.4	174.6	165.8	165.8
Highest rating	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest raw rating	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest weighted rating	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.9	-0.9	0	0
New rating	1173.9	1168.9	1200	1200
Analysis
Rating	1174.8	1169.8	1200	1200
Raw rating	1168.8	1163.7	1200	1200
Weighted rating	1174.8	1169.8	1200
Weighted performance	1050.9	1054.1	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	173.4	174.6	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	1168.8	1163.7	1200	1200
New weighted rating	1173.9	1168.9	1200	1200
New weighted performance	1050.5	1053.7	0	0
Temp new rating	1173.9	1168.9	1200	1200
Temp new rating +/-	-0.9	-0.9	0	0
Final new rating +/-	-0.9	-0.9	0	0
New rating	1173.9	1168.9	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	19	19
	4	4
	0	0
	0	0
	0	0
History	23	23

Games since
	Main 23	Standard 23		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	John Taolo Gaetswewe (NCJ)
Province	Northern Cape (NC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	19	7	36.84	-111.8	1228.7	1116.8
Standard	19	7	36.84	-111.8	1228.7	1116.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	23	8	34.78	-129.3	1222.2	1092.8
Standard	23	8	34.78	-129.3	1222.2	1092.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1168.8	1163.7	1200	1200
2025-09-01	1168.8	1163.7	1200	1200
2025-08-01	1177.4	1172.9	1200	1200
2025-07-01	1177.4	1172.9	1200	1200
2025-06-01	1177.4	1172.9	1200	1200
2025-05-01	1176.8	1172.2	1200	1200
2025-04-01	1178.3	1174	1200	1200
2025-03-01	1179.7	1175.6	1200	1200
2025-02-01	1179.3	1175	1200	1200
2025-01-01	1165.5	1158.4	1200	1200
2024-12-01	1165.5	1158.4	1200	1200
2024-11-01	1165.5	1158.4	1200	1200
2024-10-01	1165.5	1158.4	1200	1200
2024-09-01	1165.5	1158.4	1200	1200
2024-08-01	1165.5	1158.4	1200	1200
2024-07-01	1165.5	1158.4	1200	1200
2024-06-01	1165.5	1158.4	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	JTG Open Tournament 4 2025 (B)	2025-07-26	2025-07-26	Standard	John Taolo Gaetswewe (NCJ)	5	5	2	Yes	Analysis
2	2025 Hotazel College Rated Chess Tournament (U17)	2025-05-10	2025-05-10	Standard	John Taolo Gaetswewe (NCJ)	5	5	2	Yes	Analysis
3	JTG Open Tournament 2 2025 (B)	2025-04-12	2025-04-12	Standard	John Taolo Gaetswewe (NCJ)	5	4	1	Yes	Analysis
4	2025 JTG Open (B)	2025-03-01	2025-03-01	Standard	John Taolo Gaetswewe (NCJ)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JTG Open Tournament 4 2025 (B)	2025-07-26	2025-07-26	Standard	John Taolo Gaetswewe (NCJ)	5	5	2	Yes	Analysis
2	2025 Hotazel College Rated Chess Tournament (U17)	2025-05-10	2025-05-10	Standard	John Taolo Gaetswewe (NCJ)	5	5	2	Yes	Analysis
3	JTG Open Tournament 2 2025 (B)	2025-04-12	2025-04-12	Standard	John Taolo Gaetswewe (NCJ)	5	4	1	Yes	Analysis
4	2025 JTG Open (B)	2025-03-01	2025-03-01	Standard	John Taolo Gaetswewe (NCJ)	5	5	2	Yes	Analysis
5	Hotazel College Chess Tournament 2024 (U17)	2024-05-11	2024-05-11	Standard	John Taolo Gaetswewe (NCJ)	5	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament JTG Open Tournament 4 2025				Tournament JTG Open Tournament 4 2025
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Louw, L (Lefa)				Opponent Ntlhaile, M (Monthati)
2	2	Tournament 2025 Hotazel College Rated Chess Tournament				Tournament 2025 Hotazel College Rated Chess Tournament
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Moremi, T (Thorisa)				Opponent Bezuidenhout, B (Blade)
3	2	Tournament Hotazel College Chess Tournament 2024				Tournament 2025 JTG Open
		date 2024-05-11	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Morapedi, T (Tshepang)				Opponent Pretorius, S (Sion)

#	Games	Start				End
1	2	Tournament JTG Open Tournament 4 2025				Tournament JTG Open Tournament 4 2025
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Louw, L (Lefa)				Opponent Ntlhaile, M (Monthati)
2	2	Tournament 2025 Hotazel College Rated Chess Tournament				Tournament 2025 Hotazel College Rated Chess Tournament
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Moremi, T (Thorisa)				Opponent Bezuidenhout, B (Blade)
3	2	Tournament Hotazel College Chess Tournament 2024				Tournament 2025 JTG Open
		date 2024-05-11	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Morapedi, T (Tshepang)				Opponent Pretorius, S (Sion)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament JTG Open Tournament 4 2025				Tournament JTG Open Tournament 4 2025
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Louw, L (Lefa)				Opponent Ntlhaile, M (Monthati)
2	2	Tournament 2025 Hotazel College Rated Chess Tournament				Tournament 2025 Hotazel College Rated Chess Tournament
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Moremi, T (Thorisa)				Opponent Bezuidenhout, B (Blade)
3	2	Tournament Hotazel College Chess Tournament 2024				Tournament 2025 JTG Open
		date 2024-05-11	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Morapedi, T (Tshepang)				Opponent Pretorius, S (Sion)

#	Games	Start				End
1	2	Tournament JTG Open Tournament 4 2025				Tournament JTG Open Tournament 4 2025
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Louw, L (Lefa)				Opponent Ntlhaile, M (Monthati)
2	2	Tournament 2025 Hotazel College Rated Chess Tournament				Tournament 2025 Hotazel College Rated Chess Tournament
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Moremi, T (Thorisa)				Opponent Bezuidenhout, B (Blade)
3	2	Tournament Hotazel College Chess Tournament 2024				Tournament 2025 JTG Open
		date 2024-05-11	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Morapedi, T (Tshepang)				Opponent Pretorius, S (Sion)

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	Winterbach ,J (Jayden)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Winterbach ,J (Jayden)	2	1314	889	2	1320.8	889	0	0	0	0	0	0
2	Vorster ,CE (Cayleigh Estelle)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Vorster ,CE (Cayleigh Estelle)	2	1257.7	832.7	2	1267.4	832.7	0	0	0	0	0	0
3	Meyer ,C (Chloe)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Meyer ,C (Chloe)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Sihle ,M (Mtshali)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Sihle ,M (Mtshali)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Jacobs ,K (Keenan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Jacobs ,K (Keenan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Bezuidenhout ,B (Blade)	1	1	425	1	1	425	0	0	0	0	0	0
6	Bezuidenhout ,B (Blade)	1	1221	1646	1	1225.6	1646	0	0	0	0	0	0
7	Moremi ,T (Thorisa)	1	1	425	1	1	425	0	0	0	0	0	0
7	Moremi ,T (Thorisa)	1	1231.3	1656.3	1	1233.9	1656.3	0	0	0	0	0	0
8	Olyn ,L (Lourance)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Olyn ,L (Lourance)	1	1202.9	777.9	1	1204.1	777.9	0	0	0	0	0	0
9	Kotiya ,Y (Yaone)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Kotiya ,Y (Yaone)	1	1249.1	824.1	1	1258.4	824.1	0	0	0	0	0	0
10	Van Wyk ,C (Cayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Wyk ,C (Cayden)	1	1268.7	843.7	1	1280.2	843.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Verreynne, J (Jaco)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms