Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, J (Jesse)

Chess SA id

1110133354

FIDE id

Date of birth

2011-11-04 (U16)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1241	1170.2	1303.4	1200
Raw rating	1241	1170.2	1303.4	1200
Weighted rating	1239.4	1170.2	1300.5	1200
Weighted performance	891.4	0	0	0
Floor	741	712	803.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.4	173	143.1	165.8
Highest rating	1267.3 2020-03-01	1263.2 2020-03-01	1399.2 2023-03-01	1200 2018-10-01
Highest raw rating	1241 2024-03-01	1212 2020-04-01	1303.4 2024-03-01	1200 2024-02-01
Highest weighted rating	1237.6 2025-08-01	1212 2022-03-01	1297.4 2025-08-01	1200 2018-10-01
Highest weighted performance	1267.3 2020-03-01	1263.2 2020-03-01	1399.2 2023-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1241	1170.2	1303.4	1200
Analysis
Rating	1241	1170.2	1303.4	1200
Raw rating	1241	1170.2	1303.4	1200
Weighted rating	1239.4	1170.2	1300.5
Weighted performance	891.4	0	0
K-factor	36	36	36	36
Floor	741	712	803.4	700
Max/Min rating change allowed	156.4	173	143.1	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	1241	1170.2	1303.4	1200
New weighted rating	1240	1170.2	1301.7	1200
New weighted performance	891	0	0	0
Temp new rating	1241	1170.2	1303.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1241	1170.2	1303.4	1200
New K-factor	36	36	36	36
New floor	741	712	803.4	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	0	5
	15	5	10
	0	0	0
	0	0	0
History	25	10	15

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Female
Age group	U16
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-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	25	15	60	85	1194.2	1279.2
Standard	10	4.5	45	-42.5	1193.9	1151.4
Rapid	15	10.5	70	170	1194.4	1364.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1241	1170.2	1303.4	1200
2025-09-01	1241	1170.2	1303.4	1200
2025-08-01	1241	1170.2	1303.4	1200
2025-07-01	1241	1170.2	1303.4	1200
2025-06-01	1241	1170.2	1303.4	1200
2025-05-01	1241	1170.2	1303.4	1200
2025-04-01	1241	1170.2	1303.4	1200
2025-03-01	1241	1170.2	1303.4	1200
2025-02-01	1241	1170.2	1303.4	1200
2025-01-01	1241	1170.2	1303.4	1200
2024-12-01	1241	1170.2	1303.4	1200
2024-11-01	1241	1170.2	1303.4	1200
2024-10-01	1241	1170.2	1303.4	1200
2024-09-01	1241	1170.2	1303.4	1200
2024-08-01	1241	1170.2	1303.4	1200
2024-07-01	1241	1170.2	1303.4	1200
2024-06-01	1241	1170.2	1303.4	1200
2024-08-01	1241	1170.2	1303.4	1200
2024-04-01	1241	1170.2	1303.4	1200
2024-03-01	1241	1170.2	1303.4	1200
2024-02-01	1192.2	1170.2	1217.4	1200
2024-01-01	1192.2	1170.2	1217.4	1200
2023-12-01	1192.2	1170.2	1217.4	1200
2023-11-01	1192.2	1170.2	1217.4	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 Swellendam Primary Schools Zone Trails Region 2 2024 (U13)	2024-02-10	2024-02-10	Rapid	Overberg (WOS)	5	5	5	Yes	Analysis
2	Hermanus Rapid 2023 (C)	2023-04-22	2023-04-22	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis
3	Overberg Schools Swellendam Zone Trails 2023 (U13)	2023-02-16	2023-03-02	Rapid	Overberg (WOS)	5	4	3	Yes	Analysis
4	Overberg School Chess Closed Tournament 2023 (U13 Boys)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	1.5	Yes	Analysis
5	Overberg Closed 2020 (U9 Boys)	2020-03-15	2020-03-15	Standard	Overberg (WOS)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Hermanus Rapid 2023				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2023-04-22	rnd 6	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent Madikane, A (Agcobile)				Opponent Windvogel, J (Junaide)
2	5	Tournament Overberg Schools Swellendam Zone Trails 2023				Tournament Overberg School Chess Closed Tournament 2023
		date 2023-02-16	rnd 3	type Rapid	result 1	date 2023-03-25	rnd 2	type Standard	result 0.5
		Opponent Makoto, W (Wesley)				Opponent Davison, T (Thomas)
3	3	Tournament Overberg Closed 2020				Tournament Overberg Closed 2020
		date 2020-03-15	rnd 3	type Standard	result 1	date 2020-03-15	rnd 5	type Standard	result 1
		Opponent Els, D (Dante)				Opponent Benn, W (Waydin)

#	Games	Start				End
1	5	Tournament Overberg Closed 2020				Tournament Overberg School Chess Closed Tournament 2023
		date 2020-03-15	rnd 3	type Standard	result 1	date 2023-03-25	rnd 2	type Standard	result 0.5
		Opponent Els, D (Dante)				Opponent Davison, T (Thomas)

#	Games	Start				End
1	6	Tournament Hermanus Rapid 2023				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2023-04-22	rnd 6	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent Madikane, A (Agcobile)				Opponent Windvogel, J (Junaide)
2	5	Tournament Overberg Schools Swellendam Zone Trails 2023				Tournament Hermanus Rapid 2023
		date 2023-02-16	rnd 3	type Rapid	result 1	date 2023-04-22	rnd 2	type Rapid	result 1
		Opponent Makoto, W (Wesley)				Opponent Diederiks, K (Katryn)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Hermanus Rapid 2023				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2023-04-22	rnd 6	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent Madikane, A (Agcobile)				Opponent Windvogel, J (Junaide)
2	4	Tournament Overberg Schools Swellendam Zone Trails 2023				Tournament Overberg School Chess Closed Tournament 2023
		date 2023-02-16	rnd 3	type Rapid	result 1	date 2023-03-25	rnd 1	type Standard	result 1
		Opponent Makoto, W (Wesley)				Opponent Swart, E (Eon)
3	3	Tournament Overberg Closed 2020				Tournament Overberg Closed 2020
		date 2020-03-15	rnd 3	type Standard	result 1	date 2020-03-15	rnd 5	type Standard	result 1
		Opponent Els, D (Dante)				Opponent Benn, W (Waydin)

#	Games	Start				End
1	4	Tournament Overberg Closed 2020				Tournament Overberg School Chess Closed Tournament 2023
		date 2020-03-15	rnd 3	type Standard	result 1	date 2023-03-25	rnd 1	type Standard	result 1
		Opponent Els, D (Dante)				Opponent Swart, E (Eon)

#	Games	Start				End
1	6	Tournament Hermanus Rapid 2023				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2023-04-22	rnd 6	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent Madikane, A (Agcobile)				Opponent Windvogel, J (Junaide)
2	3	Tournament Overberg Schools Swellendam Zone Trails 2023				Tournament Overberg Schools Swellendam Zone Trails 2023
		date 2023-02-16	rnd 3	type Rapid	result 1	date 2023-03-02	rnd 5	type Rapid	result 1
		Opponent Makoto, W (Wesley)				Opponent Blignaut, L (Liza)
3	1	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 2	type Rapid	result 1	date 2023-04-22	rnd 2	type Rapid	result 1
		Opponent Diederiks, K (Katryn)				Opponent Diederiks, K (Katryn)

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	Swart ,E (Eon)	2	1	0	2	1	0	0	0	0	0	0	0
1	Swart ,E (Eon)	2	1187.4	1187.4	2	1154.2	1187.4	0	0	0	0	0	0
2	Viljoen ,P (Pieter)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Viljoen ,P (Pieter)	1	1191.2	766.2	1	1164.6	766.2	0	0	0	0	0	0
3	Basson ,N (Nathan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Basson ,N (Nathan)	1	1261.5	836.5	1	1216.4	836.5	0	0	0	0	0	0
4	De Kock ,D (Deo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	De Kock ,D (Deo)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Benn ,W (Waydin)	1	1	425	1	1	425	0	0	0	0	0	0
5	Benn ,W (Waydin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Jephtas ,J (Joel)	1	1	425	1	1	425	0	0	0	0	0	0
6	Jephtas ,J (Joel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Geldenhuys ,L (Liam)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Geldenhuys ,L (Liam)	1	1228.8	803.8	0	0	0	1	1260	803.8	0	0	0
8	Blignaut ,L (Liza)	1	1	425	0	0	0	1	1	425	0	0	0
8	Blignaut ,L (Liza)	1	1154.5	1579.5	0	0	0	1	1200	1579.5	0	0	0
9	Makoto ,W (Wesley)	1	1	425	0	0	0	1	1	425	0	0	0
9	Makoto ,W (Wesley)	1	1122	1547	0	0	0	1	1144.8	1547	0	0	0
10	Malherbe ,D (Daniel)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Malherbe ,D (Daniel)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Der Merwe, J (Jesse)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms