Chess South Africa Ratings Database

PLAYER PAGE

Personal

Claassen, J (Jeneva)

Chess SA id

2140139124

FIDE id

Date of birth

2014-02-03 (U12)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-03-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1272.3	1241.9	1293	1200
Raw rating	1272.3	1241.9	1293	1200
Weighted rating	1272.3	1241.9	1293	1200
Weighted performance	926.1	0	984.5	0
Floor	787.6	741.9	822.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	149.6	156.2	145.2	165.8
Highest rating	1287.6 2024-03-01	1241.9 2024-03-01	1359.5 2022-06-01	1200 2018-10-01
Highest raw rating	1287.6 2024-03-01	1241.9 2024-03-01	1322.2 2024-03-01	1200 2024-03-01
Highest weighted rating	1271.8 2025-08-01	1241.9 2025-04-01	1292.4 2025-08-01	1200 2018-10-01
Highest weighted performance	1276.6 2022-06-01	1239 2022-05-01	1359.5 2022-06-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0.1	0
New rating	1272.3	1241.9	1293.1	1200
Analysis
Rating	1272.3	1241.9	1293	1200
Raw rating	1272.3	1241.9	1293	1200
Weighted rating	1272.3	1241.9	1293
Weighted performance	926.1	0	984.5
K-factor	36	36	36	36
Floor	787.6	741.9	822.2	700
Max/Min rating change allowed	149.6	156.2	145.2	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	1272.3	1241.9	1293	1200
New weighted rating	1272.3	1241.9	1293.1	1200
New weighted performance	919	0	976.9	0
Temp new rating	1272.3	1241.9	1293.1	1200
Temp new rating +/-	0	0	0.1	0
Final new rating +/-	0	0	0.1	0
New rating	1272.3	1241.9	1293.1	1200
New K-factor	36	36	36	36
New floor	787.6	741.9	822.2	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	10	0	10
	21	6	15
	36	11	25
	0	0	0
History	67	17	50

Games since
	Main 10	Standard 0		Rapid 10		Blitz 0
Gender	Female
Age group	U12
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	67	37.5	55.97	50.7	1221.4	1272.2
Standard	17	9	52.94	25	1234.9	1259.9
Rapid	50	28.5	57	59.5	1216.9	1276.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1272.3	1241.9	1293	1200
2025-09-30	1272.3	1241.9	1293	1200
2025-09-01	1272.3	1241.9	1293	1200
2025-08-01	1272.3	1241.9	1293	1200
2025-07-01	1272.3	1241.9	1293	1200
2025-06-01	1272.3	1241.9	1293	1200
2025-05-01	1272.3	1241.9	1293	1200
2025-04-01	1272.3	1241.9	1293	1200
2025-03-01	1272.3	1241.9	1293	1200
2025-02-01	1272.3	1241.9	1293	1200
2025-01-01	1272.3	1241.9	1293	1200
2024-12-01	1272.3	1241.9	1293	1200
2024-11-01	1272.3	1241.9	1293	1200
2024-10-01	1272.3	1241.9	1293	1200
2024-09-01	1272.3	1241.9	1293	1200
2024-08-01	1272.3	1241.9	1293	1200
2024-07-01	1272.3	1241.9	1293	1200
2024-09-01	1272.3	1241.9	1293	1200
2024-05-01	1272.3	1241.9	1293	1200
2024-04-01	1272.3	1241.9	1293	1200
2024-03-01	1287.6	1241.9	1322.2	1200
2024-02-01	1259.7	1241.9	1275.4	1200
2024-01-01	1259.7	1241.9	1275.4	1200
2023-12-01	1259.7	1241.9	1275.4	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	West Coast Schools Chess Prestige Championships 2024 (U11 Girls)	2024-03-09	2024-03-09	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
2	Bo-Weskus Skole Prestige 2024 (O11 Dogters)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
3	Pedro Booyse Top Schools 2023 (U7+U9)	2023-07-29	2023-07-29	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
4	Upper West Coast Top Schools Championship 2023 (U7-U11)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
5	Western Cape PS Individuals 2023 (U9 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
6	Bo-Weskus Skole Prestige 2023 (O9 Dogters)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
7	West Coast Schools Chess Grand Challenge 2022 (PS Super)	2022-10-29	2022-10-29	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis
8	Pedro Booyse Top Schools 2022 (U9 Combined)	2022-07-23	2022-07-23	Standard	West Coast (WCU)	6	5	2	Yes	Analysis
9	Bo-Weskus Top Skole 2022 (O9)	2022-06-11	2022-06-11	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
10	Western Cape Schools 2022 (U9 Girls)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
11	West Coast Schools Chess Prestige Leg 2 2022 (U9 Girls)	2022-04-23	2022-04-23	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
12	West Coast Schools Chess Prestige Leg 1 2022 (U9 Girls)	2022-04-09	2022-04-09	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
13	Bo Weskus Skole Skaak Prestige (O9 Dogters)	2022-03-19	2022-03-19	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	8	Tournament West Coast Schools Chess Prestige Leg 1 2022				Tournament West Coast Schools Chess Prestige Leg 2 2022
		date 2022-04-09	rnd 2	type Rapid	result 1	date 2022-04-23	rnd 4	type Rapid	result 1
		Opponent Louw, E (Emma)				Opponent Erasmus, B (Brumilda)
2	4	Tournament Bo-Weskus Skole Prestige 2024				Tournament West Coast Schools Chess Prestige Championships 2024
		date 2024-02-10	rnd 3	type Rapid	result 1	date 2024-03-09	rnd 1	type Rapid	result 1
		Opponent Steenkamp, A (Annamie)				Opponent Odendaal, M (Merchronique)
3	3	Tournament Upper West Coast Top Schools Championship 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-06-10	rnd 4	type Rapid	result 1	date 2023-07-29	rnd 1	type Rapid	result 1
		Opponent Smith, C (Cody)				Opponent Julies, A (Anja)

#	Games	Start				End
1	3	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-05	rnd 2	type Standard	result 1	date 2023-05-05	rnd 4	type Standard	result 1
		Opponent Swartz, U (Umaree)				Opponent Boas, F (Fransisca)
2	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-06	rnd 6	type Standard	result 1	date 2023-05-06	rnd 6	type Standard	result 1
		Opponent Tieties, L (Lilanie)				Opponent Tieties, L (Lilanie)
3	1	Tournament Pedro Booyse Top Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-07-23	rnd 6	type Standard	result 1	date 2022-07-23	rnd 6	type Standard	result 1
		Opponent Swarts, U (Umaree)				Opponent Swarts, U (Umaree)

#	Games	Start				End
1	8	Tournament West Coast Schools Chess Prestige Leg 1 2022				Tournament West Coast Schools Chess Prestige Leg 2 2022
		date 2022-04-09	rnd 2	type Rapid	result 1	date 2022-04-23	rnd 4	type Rapid	result 1
		Opponent Louw, E (Emma)				Opponent Erasmus, B (Brumilda)
2	4	Tournament Bo-Weskus Skole Prestige 2024				Tournament West Coast Schools Chess Prestige Championships 2024
		date 2024-02-10	rnd 3	type Rapid	result 1	date 2024-03-09	rnd 1	type Rapid	result 1
		Opponent Steenkamp, A (Annamie)				Opponent Odendaal, M (Merchronique)
3	4	Tournament Bo-Weskus Skole Prestige 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-03-04	rnd 4	type Rapid	result 1	date 2023-06-10	rnd 2	type Rapid	result 1
		Opponent Beukes, S (Suedine)				Opponent Diergaardt, T (Tayrique)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Bo-Weskus Skole Prestige 2024				Tournament West Coast Schools Chess Prestige Championships 2024
		date 2024-02-10	rnd 3	type Rapid	result 1	date 2024-03-09	rnd 1	type Rapid	result 1
		Opponent Steenkamp, A (Annamie)				Opponent Odendaal, M (Merchronique)
2	3	Tournament Upper West Coast Top Schools Championship 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-06-10	rnd 4	type Rapid	result 1	date 2023-07-29	rnd 1	type Rapid	result 1
		Opponent Smith, C (Cody)				Opponent Julies, A (Anja)
3	3	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-05	rnd 2	type Standard	result 1	date 2023-05-05	rnd 4	type Standard	result 1
		Opponent Swartz, U (Umaree)				Opponent Boas, F (Fransisca)

#	Games	Start				End
1	3	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-05	rnd 2	type Standard	result 1	date 2023-05-05	rnd 4	type Standard	result 1
		Opponent Swartz, U (Umaree)				Opponent Boas, F (Fransisca)
2	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-06	rnd 6	type Standard	result 1	date 2023-05-06	rnd 6	type Standard	result 1
		Opponent Tieties, L (Lilanie)				Opponent Tieties, L (Lilanie)
3	1	Tournament Pedro Booyse Top Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-07-23	rnd 6	type Standard	result 1	date 2022-07-23	rnd 6	type Standard	result 1
		Opponent Swarts, U (Umaree)				Opponent Swarts, U (Umaree)

#	Games	Start				End
1	4	Tournament Bo-Weskus Skole Prestige 2024				Tournament West Coast Schools Chess Prestige Championships 2024
		date 2024-02-10	rnd 3	type Rapid	result 1	date 2024-03-09	rnd 1	type Rapid	result 1
		Opponent Steenkamp, A (Annamie)				Opponent Odendaal, M (Merchronique)
2	3	Tournament Upper West Coast Top Schools Championship 2023				Tournament Pedro Booyse Top Schools 2023
		date 2023-06-10	rnd 4	type Rapid	result 1	date 2023-07-29	rnd 1	type Rapid	result 1
		Opponent Smith, C (Cody)				Opponent Julies, A (Anja)
3	2	Tournament Pedro Booyse Top Schools 2023				Tournament Bo-Weskus Skole Prestige 2024
		date 2023-07-29	rnd 5	type Rapid	result 1	date 2024-02-10	rnd 1	type Rapid	result 1
		Opponent Arendse, H (Haygen)				Opponent Rhaman, E (Elzane)

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	Volgraaff ,A (Ava)	4	1.5	-106.2	0	0	0	4	1.5	-106.2	0	0	0
1	Volgraaff ,A (Ava)	4	1222.5	1116.2	0	0	0	4	1239	1116.2	0	0	0
2	Witbooi ,A (Ava)	4	4	425	0	0	0	4	4	425	0	0	0
2	Witbooi ,A (Ava)	4	1193.1	1618.1	0	0	0	4	1197	1618.1	0	0	0
3	Miggel ,L (Laylah)	3	1.5	0	0	0	0	3	1.5	0	0	0	0
3	Miggel ,L (Laylah)	3	1205.3	1205.3	0	0	0	3	1223	1205.3	0	0	0
4	Riddles ,C (Ciara)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Riddles ,C (Ciara)	2	1432	1007	2	1431.1	1007	0	0	0	0	0	0
5	Swartz ,U (Umaree)	2	2	425	2	2	425	0	0	0	0	0	0
5	Swartz ,U (Umaree)	2	1168.8	1593.8	2	1161	1593.8	0	0	0	0	0	0
6	Tieties ,L (Lilanie)	2	2	425	1	1	425	1	1	425	0	0	0
6	Tieties ,L (Lilanie)	2	1107.9	1532.9	1	1115.2	1532.9	1	1113.6	1532.9	0	0	0
7	Du Preez ,F (Francisca)	2	1	0	1	1	425	1	0	-425	0	0	0
7	Du Preez ,F (Francisca)	2	1188.4	1188.4	1	1200	1613.4	1	1200	763.4	0	0	0
8	Joseph ,J (Jiola)	2	0	-425	1	0	-425	1	0	-425	0	0	0
8	Joseph ,J (Jiola)	2	1271.1	846.1	1	1200	846.1	1	1371.9	846.1	0	0	0
9	Lukas ,I (Isune)	2	2	425	0	0	0	2	2	425	0	0	0
9	Lukas ,I (Isune)	2	1203.9	1628.9	0	0	0	2	1213.8	1628.9	0	0	0
10	Du Toit ,M (Markus)	2	0	-425	0	0	0	2	0	-425	0	0	0
10	Du Toit ,M (Markus)	2	1271.5	846.5	0	0	0	2	1362.2	846.5	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Claassen, J (Jeneva)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms