Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Walt, J (Jarno)

Chess SA id

1060134814

FIDE id

Date of birth

2006-04-28 (U20)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1293.7	1275.4	1258	1200
Raw rating	1293.7	1275.4	1258	1200
Weighted rating	1293.7	1275.4	1258	1200
Weighted performance	940.4	0	833.8	0
Floor	793.7	775.4	758	700
K-factor	36	36	36	36
Min/Max rating change allowed	145.1	148.9	152.7	165.8
Highest rating	1318 2023-04-01	1490.6 2023-03-01	1258 2024-02-01	1200 2018-10-01
Highest raw rating	1293.7 2024-02-01	1275.4 2024-02-01	1258 2024-02-01	1200 2024-02-01
Highest weighted rating	1293.7 2025-07-01	1275.4 2025-07-01	1258 2025-03-01	1200 2018-10-01
Highest weighted performance	1318 2023-04-01	1490.6 2023-03-01	1230 2023-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1293.7	1275.4	1258	1200
Analysis
Rating	1293.7	1275.4	1258	1200
Raw rating	1293.7	1275.4	1258	1200
Weighted rating	1293.7	1275.4	1258
Weighted performance	940.4	0	833.8
K-factor	36	36	36	36
Floor	793.7	775.4	758	700
Max/Min rating change allowed	145.1	148.9	152.7	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	1293.7	1275.4	1258	1200
New weighted rating	1293.7	1275.4	1258	1200
New weighted performance	939.9	0	833.3	0
Temp new rating	1293.7	1275.4	1258	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1293.7	1275.4	1258	1200
New K-factor	36	36	36	36
New floor	793.7	775.4	758	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	32	16	16
	5	0	5
	10	0	10
History	47	16	31

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	47	27	57.45	63.3	1247.7	1311
Standard	16	9	56.25	53.1	1299.8	1352.9
Rapid	31	18	58.06	68.5	1220.9	1289.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1293.7	1275.4	1258	1200
2025-09-01	1293.7	1275.4	1258	1200
2025-08-01	1293.7	1275.4	1258	1200
2025-07-01	1293.7	1275.4	1258	1200
2025-06-01	1293.7	1275.4	1258	1200
2025-05-01	1293.7	1275.4	1258	1200
2025-04-01	1293.7	1275.4	1258	1200
2025-03-01	1293.7	1275.4	1258	1200
2025-02-01	1293.7	1275.4	1258	1200
2025-01-01	1293.7	1275.4	1258	1200
2024-12-01	1293.7	1275.4	1258	1200
2024-11-01	1293.7	1275.4	1258	1200
2024-10-01	1293.7	1275.4	1258	1200
2024-09-01	1293.7	1275.4	1258	1200
2024-08-01	1293.7	1275.4	1258	1200
2024-07-01	1293.7	1275.4	1258	1200
2024-06-01	1293.7	1275.4	1258	1200
2024-08-01	1293.7	1275.4	1258	1200
2024-04-01	1293.7	1275.4	1258	1200
2024-03-01	1293.7	1275.4	1258	1200
2024-02-01	1293.7	1275.4	1258	1200
2024-01-01	1293.7	1275.4	1258	1200
2023-12-01	1293.7	1275.4	1258	1200
2023-11-01	1293.7	1275.4	1258	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	Overberg Top Schools 2023 (U15+U18)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
2	Western Cape HS Individuals 2023 (U17 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
3	Hermanus Rapid 2023 (C)	2023-04-22	2023-04-22	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
4	Overberg High School Closed 2023 (U17 Boys)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
5	Overberg High Schools Trails 2023 (U17)	2023-02-24	2023-02-24	Rapid	Overberg (WOS)	5	5	4	Yes	Analysis
6	Overberg Schools Open Tournament 2023 (U18)	2023-02-11	2023-02-11	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
7	OCF Open 2022 (U18)	2022-04-09	2022-04-09	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
8	Western Cape Schools 2021 (U15 Boys)	2021-10-23	2021-10-23	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
9	Overberg Schools Trials 2021 (U15+U18 Boys)	2021-09-18	2021-09-18	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-24	rnd 4	type Rapid	result 1
		Opponent Louw, A (Adriaan)				Opponent Harmse, J (Jaques)
2	4	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 2	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Groenewald, C (Christiaan)				Opponent Fourie, E (Ewie)
3	4	Tournament Overberg High School Closed 2023				Tournament Western Cape HS Individuals 2023
		date 2023-03-25	rnd 3	type Standard	result 1	date 2023-04-01	rnd 1	type Standard	result 1
		Opponent Van Den Berg, T (Tristan)				Opponent Jaftha, J (Jeyhlin)

#	Games	Start				End
1	4	Tournament Overberg High School Closed 2023				Tournament Western Cape HS Individuals 2023
		date 2023-03-25	rnd 3	type Standard	result 1	date 2023-04-01	rnd 1	type Standard	result 1
		Opponent Van Den Berg, T (Tristan)				Opponent Jaftha, J (Jeyhlin)
2	2	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 4	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Sonaba, L (Libhongo)				Opponent Dzadza, O (Olithemba)
3	2	Tournament Western Cape HS Individuals 2023				Tournament Overberg Top Schools 2023
		date 2023-04-02	rnd 6	type Standard	result 1	date 2023-08-05	rnd 1	type Standard	result 1
		Opponent Tyindi, D (Diniso)				Opponent Gcinisa, D (Dinga)

#	Games	Start				End
1	5	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-24	rnd 4	type Rapid	result 1
		Opponent Louw, A (Adriaan)				Opponent Harmse, J (Jaques)
2	4	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 2	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Groenewald, C (Christiaan)				Opponent Fourie, E (Ewie)
3	2	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg Schools Open Tournament 2023
		date 2023-02-11	rnd 1	type Rapid	result 1	date 2023-02-11	rnd 2	type Rapid	result 1
		Opponent Dyanti, J (Jonte)				Opponent Keunecke, K (Karl-Heinz)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-24	rnd 4	type Rapid	result 1
		Opponent Louw, A (Adriaan)				Opponent Harmse, J (Jaques)
2	4	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 2	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Groenewald, C (Christiaan)				Opponent Fourie, E (Ewie)
3	4	Tournament Overberg High School Closed 2023				Tournament Western Cape HS Individuals 2023
		date 2023-03-25	rnd 3	type Standard	result 1	date 2023-04-01	rnd 1	type Standard	result 1
		Opponent Van Den Berg, T (Tristan)				Opponent Jaftha, J (Jeyhlin)

#	Games	Start				End
1	4	Tournament Overberg High School Closed 2023				Tournament Western Cape HS Individuals 2023
		date 2023-03-25	rnd 3	type Standard	result 1	date 2023-04-01	rnd 1	type Standard	result 1
		Opponent Van Den Berg, T (Tristan)				Opponent Jaftha, J (Jeyhlin)
2	2	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 4	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Sonaba, L (Libhongo)				Opponent Dzadza, O (Olithemba)
3	2	Tournament Western Cape HS Individuals 2023				Tournament Overberg Top Schools 2023
		date 2023-04-02	rnd 6	type Standard	result 1	date 2023-08-05	rnd 1	type Standard	result 1
		Opponent Tyindi, D (Diniso)				Opponent Gcinisa, D (Dinga)

#	Games	Start				End
1	5	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-24	rnd 4	type Rapid	result 1
		Opponent Louw, A (Adriaan)				Opponent Harmse, J (Jaques)
2	4	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 2	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Groenewald, C (Christiaan)				Opponent Fourie, E (Ewie)
3	2	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg Schools Open Tournament 2023
		date 2023-02-11	rnd 1	type Rapid	result 1	date 2023-02-11	rnd 2	type Rapid	result 1
		Opponent Dyanti, J (Jonte)				Opponent Keunecke, K (Karl-Heinz)

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	Harmse ,J (Jacques)	4	2	0	1	0	-425	3	2	141.7	0	0	0
1	Harmse ,J (Jacques)	4	1381.3	1381.3	1	1448.3	956.3	3	1207.1	1523	0	0	0
2	Jonas ,SG (Sue-Win Gurshlin)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Jonas ,SG (Sue-Win Gurshlin)	2	1358.3	933.3	1	1310.3	933.3	1	1189.6	933.3	0	0	0
3	Ncethelo ,B (Bongolethu)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Ncethelo ,B (Bongolethu)	2	1656.2	1231.2	1	1710.3	1231.2	1	1490.6	1231.2	0	0	0
4	Keunicke ,K (Karl-Heinz)	2	2	425	1	1	425	1	1	425	0	0	0
4	Keunicke ,K (Karl-Heinz)	2	1171.7	1596.7	1	1162	1596.7	1	1200	1596.7	0	0	0
5	Kriel ,M (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kriel ,M (Michael)	1	1204.8	1629.8	1	1200	1629.8	0	0	0	0	0	0
6	Gcinisa ,D (Dinga)	1	1	425	1	1	425	0	0	0	0	0	0
6	Gcinisa ,D (Dinga)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Jaftha ,J (Jeyhlin)	1	1	425	1	1	425	0	0	0	0	0	0
7	Jaftha ,J (Jeyhlin)	1	1396.1	1821.1	1	1394	1821.1	0	0	0	0	0	0
8	Dzadza ,O (Olithemba)	1	1	425	1	1	425	0	0	0	0	0	0
8	Dzadza ,O (Olithemba)	1	1171	1596	1	1200	1596	0	0	0	0	0	0
9	Jambo ,S (Stanwill)	1	1	425	0	0	0	1	1	425	0	0	0
9	Jambo ,S (Stanwill)	1	1361.3	1786.3	0	0	0	1	1180	1786.3	0	0	0
10	Hausiku ,M (Marco)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Hausiku ,M (Marco)	1	1324.3	899.3	0	0	0	1	1283.4	899.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Van Der Walt, J (Jarno)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms