Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kriel, J (Johan)

Chess SA id

1130159606

FIDE id

Date of birth

2013-10-31 (U14)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1073.1

Item	Main	Standard	Rapid	Blitz
Rating	1114.7	1108.6	1200	1200
Raw rating	1114.7	1108.6	1200	1200
Weighted rating	1106.8	1098	1200	1200
Weighted performance	970.8	971	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	187.2	188.9	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1114.7	1108.6	1200	1200
Analysis
Rating	1114.7	1108.6	1200	1200
Raw rating	1114.7	1108.6	1200	1200
Weighted rating	1106.8	1098	1200
Weighted performance	970.8	971	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	187.2	188.9	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	1114.7	1108.6	1200	1200
New weighted rating	1107.6	1099	1200	1200
New weighted performance	964.5	964.6	0	0
Temp new rating	1114.7	1108.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1114.7	1108.6	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	5	5
	37	37
	9	9
	0	0
	0	0
History	51	51

Games since
	Main 42	Standard 42		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	4466		1441		509
Male	3266		1064		379
U14	891		289		101
U14 Male	610		194		72
Standard
	RSA		Province		Region
Overall	4443		1580		605
Male	3246		1175		449
U14	886		318		120
U14 Male	600		216		82
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	2	40	-85	1239.9	1154.9
Standard	5	2	40	-85	1239.9	1154.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	51	16	31.37	-158.3	1210.5	1052.1
Standard	51	16	31.37	-158.3	1210.5	1052.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1114.7	1108.6	1200	1200
2025-09-30	1114.7	1108.6	1200	1200
2025-09-01	1114.7	1108.6	1200	1200
2025-08-01	1114.7	1108.6	1200	1200
2025-07-01	1114.7	1108.6	1200	1200
2025-06-01	1114.7	1108.6	1200	1200
2025-05-01	1108	1097.3	1200	1200
2025-04-01	1108	1097.3	1200	1200
2025-03-01	1108	1097.3	1200	1200
2025-02-01	1107	1096.6	1200	1200
2025-01-01	1071.4	1061.8	1200	1200
2024-12-01	1099.5	1090.6	1200	1200
2024-11-01	1099.5	1090.6	1200	1200
2024-10-01	1099.5	1090.6	1200	1200
2024-09-01	1102.9	1090.6	1200	1200
2024-08-01	1100.1	1087.4	1200	1200
2024-07-01	1100.1	1087.4	1200	1200
2024-09-01	1100.1	1087.4	1200	1200
2024-05-01	1100.1	1087.4	1200	1200
2024-04-01	1100.1	1087.4	1200	1200
2024-03-01	1094.1	1080.2	1200	1200
2024-02-01	1081	1061.5	1200	1200
2024-01-01	1134.2	1124.1	1200	1200
2023-12-01	1134.2	1124.1	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 Gauteng North School Individual Championships D1 (U13 Open)	2025-05-17	2025-05-17	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng North School Individual Championships D1 (U13 Open)	2025-05-17	2025-05-17	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	Gauteng Inter-Region at UJ 2024 (U12 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
3	2024 Etienne Lewis (U12)	2024-08-30	2024-09-01	Standard	Tshwane (GTP)	7	7	2.5	Yes	Analysis
4	2024 Alekhine Open Chess Tournament (U12)	2024-08-09	2024-08-10	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
5	D1 Gauteng North District School Closed 2024 (U13)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
6	2024 Chris Greyling Open Chess Tournament (D1)	2024-03-16	2024-03-16	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
7	2024 Constantiapark Open (D1)	2024-02-17	2024-02-17	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
8	2024 Tshwane Chess OPEN Registration Tournament (D1)	2024-01-27	2024-01-27	Standard	Tshwane (GTP)	5	5	0.5	Yes	Analysis
9	Lardies Open Tournament 2023 (D1)	2023-10-28	2023-10-28	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
10	2023 Gauteng North School District CLOSED League Championships (D1)	2023-08-05	2023-08-05	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament 2025 Gauteng North School Individual Championships D1
		date 2024-12-08	rnd 4	type Standard	result 0.5	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Gadney, L (Liam)				Opponent Sibanyoni, T (Tashi)
2	2	Tournament 2024 Alekhine Open Chess Tournament				Tournament 2024 Alekhine Open Chess Tournament
		date 2024-08-10	rnd 4	type Standard	result 0.5	date 2024-08-10	rnd 5	type Standard	result 1
		Opponent Kgwale, L (Lesedi)				Opponent Kabinde, L (Luthando)
3	2	Tournament 2024 Chris Greyling Open Chess Tournament				Tournament D1 Gauteng North District School Closed 2024
		date 2024-03-16	rnd 5	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Human, S (Samuel)				Opponent Olwagen, L (Liam)

#	Games	Start				End
1	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament 2025 Gauteng North School Individual Championships D1
		date 2024-12-08	rnd 4	type Standard	result 0.5	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Gadney, L (Liam)				Opponent Sibanyoni, T (Tashi)
2	2	Tournament 2024 Alekhine Open Chess Tournament				Tournament 2024 Alekhine Open Chess Tournament
		date 2024-08-10	rnd 4	type Standard	result 0.5	date 2024-08-10	rnd 5	type Standard	result 1
		Opponent Kgwale, L (Lesedi)				Opponent Kabinde, L (Luthando)
3	2	Tournament 2024 Chris Greyling Open Chess Tournament				Tournament D1 Gauteng North District School Closed 2024
		date 2024-03-16	rnd 5	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Human, S (Samuel)				Opponent Olwagen, L (Liam)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2024 Chris Greyling Open Chess Tournament				Tournament D1 Gauteng North District School Closed 2024
		date 2024-03-16	rnd 5	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Human, S (Samuel)				Opponent Olwagen, L (Liam)
2	2	Tournament 2024 Constantiapark Open				Tournament 2024 Constantiapark Open
		date 2024-02-17	rnd 2	type Standard	result 1	date 2024-02-17	rnd 3	type Standard	result 1
		Opponent Potgieter, M (Milan)				Opponent Hattingh, J (Johannes)
3	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Nhampare, J (Junior)				Opponent Nhampare, J (Junior)

#	Games	Start				End
1	2	Tournament 2024 Chris Greyling Open Chess Tournament				Tournament D1 Gauteng North District School Closed 2024
		date 2024-03-16	rnd 5	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Human, S (Samuel)				Opponent Olwagen, L (Liam)
2	2	Tournament 2024 Constantiapark Open				Tournament 2024 Constantiapark Open
		date 2024-02-17	rnd 2	type Standard	result 1	date 2024-02-17	rnd 3	type Standard	result 1
		Opponent Potgieter, M (Milan)				Opponent Hattingh, J (Johannes)
3	1	Tournament 2025 Gauteng North School Individual Championships D1				Tournament 2025 Gauteng North School Individual Championships D1
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Nhampare, J (Junior)				Opponent Nhampare, 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	Human ,S (Samuel)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Human ,S (Samuel)	2	1155.8	1368.2	2	1147.2	1368.2	0	0	0	0	0	0
2	Botha ,L (Logan)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Botha ,L (Logan)	2	1272.7	847.7	2	1271.9	847.7	0	0	0	0	0	0
3	Bailey ,K (Keanu)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Bailey ,K (Keanu)	1	1143.1	718.1	1	1144.2	718.1	0	0	0	0	0	0
4	Gadney ,L (Liam)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Gadney ,L (Liam)	1	1179.4	1179.4	1	1193.2	1179.4	0	0	0	0	0	0
5	Mann ,L (Leane)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mann ,L (Leane)	1	1438.2	1013.2	1	1466.7	1013.2	0	0	0	0	0	0
6	Mtsweni ,H (Humbukani)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mtsweni ,H (Humbukani)	1	1156.4	731.4	1	1150	731.4	0	0	0	0	0	0
7	Prinsloo ,J (Jaden)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Prinsloo ,J (Jaden)	1	1110.7	1110.7	1	1097.1	1110.7	0	0	0	0	0	0
8	Maluka ,M (Mpho-Junior)	1	1	425	1	1	425	0	0	0	0	0	0
8	Maluka ,M (Mpho-Junior)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Letsoalo ,B (Boipelo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Letsoalo ,B (Boipelo)	1	1086.7	1511.7	1	1080.9	1511.7	0	0	0	0	0	0
10	Du Rand ,L (Lea)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Du Rand ,L (Lea)	1	1249.5	824.5	1	1238.9	824.5	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

Kriel, J (Johan)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms