Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Dalen, JJP (Jan Johannes Petrus)

Chess SA id

108057852

FIDE id

Date of birth

2008-04-22 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1287.3	1297.9	933	854.6
Raw rating	1287.3	1297.9	933	854.6
Weighted rating	1287.3	1297.8	933	854.6
Weighted performance	824.6	837.5	0	0
Floor	849.2	859.5	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	146.4	144.2	242.6	271.2
Highest rating	1349.2 2022-06-01	1359.5 2022-06-01	1211.5 2022-10-01	1200 2024-02-01
Highest raw rating	1349.2 2022-06-01	1359.5 2022-06-01	933 2024-02-01	854.6 2024-02-01
Highest weighted rating	1349.2 2022-11-01	1359.5 2023-05-01	933 2024-11-01	854.6 2024-11-01
Highest weighted performance	1337.6 2022-05-01	1341.5 2022-05-01	1211.5 2022-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1287.3	1297.9	933	854.6
Analysis
Rating	1287.3	1297.9	933	854.6
Raw rating	1287.3	1297.9	933	854.6
Weighted rating	1287.3	1297.8	933
Weighted performance	824.6	837.5	0
K-factor	36	36	40	40
Floor	849.2	859.5	500	500
Max/Min rating change allowed	146.4	144.2	242.6	271.2
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	1287.3	1297.9	933	854.6
New weighted rating	1287.3	1297.8	933	854.6
New weighted performance	824.2	837.1	0	0
Temp new rating	1287.3	1297.9	933	854.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1287.3	1297.9	933	854.6
New K-factor	36	36	40	40
New floor	849.2	859.5	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	10	10	0
	20	15	5
	10	10	0
History	289	284	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	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	103	65	63.11	111.4	1076.3	1187.7
Standard	98	62.5	63.78	117.1	1069.4	1186.5
Rapid	5	2.5	50	0	1210.1	1210.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1287.3	1297.9	933	854.6
2025-09-01	1287.3	1297.9	933	854.6
2025-08-01	1287.3	1297.9	933	854.6
2025-07-01	1287.3	1297.9	933	854.6
2025-06-01	1287.3	1297.9	933	854.6
2025-05-01	1287.3	1297.9	933	854.6
2025-04-01	1287.3	1297.9	933	854.6
2025-03-01	1287.3	1297.9	933	854.6
2025-02-01	1287.3	1297.9	933	854.6
2025-01-01	1287.2	1297.6	933	854.6
2024-12-01	1287.2	1297.6	933	854.6
2024-11-01	1287.2	1297.6	933	854.6
2024-10-01	1287.2	1297.6	933	854.6
2024-09-01	1287.2	1297.6	933	854.6
2024-08-01	1287.2	1297.6	933	854.6
2024-07-01	1287.2	1297.6	933	854.6
2024-06-01	1287.2	1297.6	933	854.6
2024-08-01	1287.2	1297.6	933	854.6
2024-04-01	1287.2	1297.6	933	854.6
2024-03-01	1287.2	1297.6	933	854.6
2024-02-01	1287.2	1297.6	933	854.6
2024-01-01	1287.2	1297.6	933	854.6
2023-12-01	1287.2	1297.6	933	854.6
2023-11-01	1287.2	1297.6	933	854.6

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	2023 Tshwane North School District CLOSED League Championships (D3)	2023-08-12	2023-08-12	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2023 Tshwane North School District CLOSED Individual Championships (D3)	2023-05-13	2023-05-13	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	OR Tambo Soncini Finals 2022 (Boys)	2022-10-29	2022-10-29	Rapid	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
4	2022 Gauteng Schools Team Championships (U17 Open)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
5	2022 D3 Cluster Teams (U15 Mixed)	2022-05-28	2022-05-28	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
6	2022 D3 Cluster City Schools (U15)	2022-04-23	2022-04-23	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
7	2021 D3 Individual (U13 Open)	2021-10-13	2021-10-13	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
8	2021 Gauteng Schools Chess Championships (U13 Boys)	2021-10-16	2021-10-16	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
9	2019 South African Top Schools Team Championships (U11 Open)	2020-01-10	2020-01-11	Standard	4 Knights (4K)	5	5	4	Yes	Analysis
10	2019 Gauteng School League Finals (U11 Open)	2019-08-23	2019-08-23	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
11	2019 D3 Team League (U11)	2019-07-20	2019-07-20	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
12	Wonderboom Interhuis 2019 (U11)	2019-05-04	2019-05-04	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
13	2019 Gauteng Primary Schools Individual Chess Championships (U11 Boys)	2019-05-25	2019-05-25	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
14	2018 Gauteng League Final (U11)	2018-08-24	2018-08-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
15	2018 Gauteng Secondary Schools Individual Chess Championships (U11 Boys)	2018-05-25	2018-05-25	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
16	2018 D3 Tshwane North Individual Chess Championships (U11 Mixed)	2018-03-24	2018-03-24	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
17	2018 Blou Bul Open (C)	2018-02-17	2018-02-17	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
18	2018 Tshwane Registration Open Chess Tournament (D)	2018-01-27	2018-01-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
19	South African Junior Wildcard Championships 2017 (U10 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
20	South African Junior Team Championships 2017 (U10B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis

#	Games	Start				End
1	7	Tournament 2019 Gauteng Primary Schools Individual Chess Championships				Tournament 2019 D3 Team League
		date 2019-05-25	rnd 3	type Standard	result 1	date 2019-07-20	rnd 4	type Standard	result 1
		Opponent Jacobs, T (Tyresse)				Opponent Van Heerden, JPC (John Paterson Carnavo)
2	5	Tournament 2022 D3 Cluster Teams				Tournament 2022 Gauteng Schools Team Championships
		date 2022-05-28	rnd 2	type Standard	result 1	date 2022-08-26	rnd 1	type Standard	result 1
		Opponent Nieuwoudt, K (Kayliegh)				Opponent Cloete, E (Elsje Magdalena)
3	5	Tournament 2021 Gauteng Schools Chess Championships				Tournament 2022 D3 Cluster City Schools
		date 2021-10-16	rnd 4	type Standard	result 1	date 2022-04-23	rnd 3	type Standard	result 1
		Opponent Mnguni, S (Sanele)				Opponent Legodi, K (Keorapetse)

#	Games	Start				End
1	7	Tournament 2019 Gauteng Primary Schools Individual Chess Championships				Tournament 2019 D3 Team League
		date 2019-05-25	rnd 3	type Standard	result 1	date 2019-07-20	rnd 4	type Standard	result 1
		Opponent Jacobs, T (Tyresse)				Opponent Van Heerden, JPC (John Paterson Carnavo)
2	5	Tournament 2022 D3 Cluster Teams				Tournament 2022 Gauteng Schools Team Championships
		date 2022-05-28	rnd 2	type Standard	result 1	date 2022-08-26	rnd 1	type Standard	result 1
		Opponent Nieuwoudt, K (Kayliegh)				Opponent Cloete, E (Elsje Magdalena)
3	5	Tournament 2021 Gauteng Schools Chess Championships				Tournament 2022 D3 Cluster City Schools
		date 2021-10-16	rnd 4	type Standard	result 1	date 2022-04-23	rnd 3	type Standard	result 1
		Opponent Mnguni, S (Sanele)				Opponent Legodi, K (Keorapetse)

#	Games	Start				End
1	2	Tournament OR Tambo Soncini Finals 2022				Tournament OR Tambo Soncini Finals 2022
		date 2022-10-29	rnd 1	type Rapid	result 1	date 2022-10-29	rnd 2	type Rapid	result 0.5
		Opponent Valentine, V (Victor)				Opponent Wolfaardt, J (John Eduan)
2	1	Tournament OR Tambo Soncini Finals 2022				Tournament OR Tambo Soncini Finals 2022
		date 2022-10-29	rnd 5	type Rapid	result 1	date 2022-10-29	rnd 5	type Rapid	result 1
		Opponent Iwuanoruo, P (Prince Chukwuemeka)				Opponent Iwuanoruo, P (Prince Chukwuemeka)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament 2019 Gauteng Primary Schools Individual Chess Championships				Tournament 2019 D3 Team League
		date 2019-05-25	rnd 3	type Standard	result 1	date 2019-07-20	rnd 4	type Standard	result 1
		Opponent Jacobs, T (Tyresse)				Opponent Van Heerden, JPC (John Paterson Carnavo)
2	5	Tournament 2022 D3 Cluster Teams				Tournament 2022 Gauteng Schools Team Championships
		date 2022-05-28	rnd 2	type Standard	result 1	date 2022-08-26	rnd 1	type Standard	result 1
		Opponent Nieuwoudt, K (Kayliegh)				Opponent Cloete, E (Elsje Magdalena)
3	5	Tournament 2021 Gauteng Schools Chess Championships				Tournament 2022 D3 Cluster City Schools
		date 2021-10-16	rnd 4	type Standard	result 1	date 2022-04-23	rnd 3	type Standard	result 1
		Opponent Mnguni, S (Sanele)				Opponent Legodi, K (Keorapetse)

#	Games	Start				End
1	7	Tournament 2019 Gauteng Primary Schools Individual Chess Championships				Tournament 2019 D3 Team League
		date 2019-05-25	rnd 3	type Standard	result 1	date 2019-07-20	rnd 4	type Standard	result 1
		Opponent Jacobs, T (Tyresse)				Opponent Van Heerden, JPC (John Paterson Carnavo)
2	5	Tournament 2022 D3 Cluster Teams				Tournament 2022 Gauteng Schools Team Championships
		date 2022-05-28	rnd 2	type Standard	result 1	date 2022-08-26	rnd 1	type Standard	result 1
		Opponent Nieuwoudt, K (Kayliegh)				Opponent Cloete, E (Elsje Magdalena)
3	5	Tournament 2021 Gauteng Schools Chess Championships				Tournament 2022 D3 Cluster City Schools
		date 2021-10-16	rnd 4	type Standard	result 1	date 2022-04-23	rnd 3	type Standard	result 1
		Opponent Mnguni, S (Sanele)				Opponent Legodi, K (Keorapetse)

#	Games	Start				End
1	1	Tournament OR Tambo Soncini Finals 2022				Tournament OR Tambo Soncini Finals 2022
		date 2022-10-29	rnd 5	type Rapid	result 1	date 2022-10-29	rnd 5	type Rapid	result 1
		Opponent Iwuanoruo, P (Prince Chukwuemeka)				Opponent Iwuanoruo, P (Prince Chukwuemeka)
2	1	Tournament OR Tambo Soncini Finals 2022				Tournament OR Tambo Soncini Finals 2022
		date 2022-10-29	rnd 1	type Rapid	result 1	date 2022-10-29	rnd 1	type Rapid	result 1
		Opponent Valentine, V (Victor)				Opponent Valentine, V (Victor)

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	Koning ,L (Lehan)	4	0	-425	4	0	-425	0	0	0	0	0	0
1	Koning ,L (Lehan)	4	1399.6	974.6	4	1394	974.6	0	0	0	0	0	0
2	Van Niekerk ,RM (Reuben Mentz)	2	2	425	2	2	425	0	0	0	0	0	0
2	Van Niekerk ,RM (Reuben Mentz)	2	1206.2	1631.2	2	1207.8	1631.2	0	0	0	0	0	0
3	Van Heerden ,JPC (John Paterson Carnavo)	2	2	425	2	2	425	0	0	0	0	0	0
3	Van Heerden ,JPC (John Paterson Carnavo)	2	961	1385.9	2	991.6	1385.9	0	0	0	0	0	0
4	Sibanda ,AP (Andile Patience)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
4	Sibanda ,AP (Andile Patience)	2	1292.9	1505.4	2	1286.3	1505.4	0	0	0	0	0	0
5	Matsiokolo ,G (Godisang)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Matsiokolo ,G (Godisang)	1	1261	836	1	1252.8	836	0	0	0	0	0	0
6	Nieuwoudt ,K (Kayliegh)	1	1	425	1	1	425	0	0	0	0	0	0
6	Nieuwoudt ,K (Kayliegh)	1	1133.6	1558.6	1	1120	1558.6	0	0	0	0	0	0
7	Van Zyl ,NB (Nicolaas Barend)	1	1	425	1	1	425	0	0	0	0	0	0
7	Van Zyl ,NB (Nicolaas Barend)	1	1289.3	1714.3	1	1305.8	1714.3	0	0	0	0	0	0
8	De Villiers ,J (Juan)	1	1	425	1	1	425	0	0	0	0	0	0
8	De Villiers ,J (Juan)	1	624	1049	1	624	1049	0	0	0	0	0	0
9	Amogelang ,S (Setho)	1	1	425	1	1	425	0	0	0	0	0	0
9	Amogelang ,S (Setho)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Du Toit ,SJM (Stephanus (Matteo) Johannes Matheus)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Du Toit ,SJM (Stephanus (Matteo) Johannes Matheus)	1	1334	909	1	1323.6	909	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

Van Dalen, JJP (Jan Johannes Petrus)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms