Chess South Africa Ratings Database

PLAYER PAGE

Personal

Strydom, J (Johan�)

Chess SA id

2140306896

FIDE id

Date of birth

2014-04-11 (U12)

Gender

Female

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

WRM

Chess SA registered

Last active game

2025-10-05

Personal details last changed

1900-01-01

Junior GPX Games

15.3

Junior GPX Points

1271.9

Item	Main	Standard	Rapid	Blitz
Rating	1272.1	1276	1199.9	1200
Raw rating	1272.1	1269.4	1199.6	1200
Weighted rating	1265.9	1276	1199.9	1200
Weighted performance	1245.1	1216.1	0	0
Floor	819.6	822.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	149.6	150.2	165.9	165.8
Highest rating	1617.2 2024-07-01	1626 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1319.6 2025-09-30	1322.3 2025-09-30	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1278 2024-10-01	1296 2024-10-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1617.2 2024-07-01	1626 2024-07-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	1	-0	0
New rating	1272.1	1277	1199.9	1200
Analysis
Rating	1272.1	1276	1199.9	1200
Raw rating	1272.1	1269.4	1199.6	1200
Weighted rating	1265.9	1276	1199.9
Weighted performance	1245.1	1216.1	0
K-factor	36	36	36	36
Floor	819.6	822.3	700	700
Max/Min rating change allowed	149.6	150.2	165.9	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	1272.1	1269.4	1199.6	1200
New weighted rating	1267.8	1277	1199.9	1200
New weighted performance	1237.5	1208.5	0	0
Temp new rating	1272.1	1277	1199.9	1200
Temp new rating +/-	0	1	-0	0
Final new rating +/-	0	1	-0	0
New rating	1272.1	1277	1199.9	1200
New K-factor	36	36	36	36
New floor	819.6	822.3	700	700

Item	Main	Standard	Rapid
	0	0	0
	17	12	5
	15	15	0
	0	0	0
	0	0	0
	0	0	0
History	32	27	5

Games since
	Main 32	Standard 27		Rapid 5		Blitz 0
Gender	Female
Age group	U12
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
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	17	8	47.06	-25	1336.6	1311.6
Standard	12	6	50	0	1288.8	1288.8
Rapid	5	2	40	-85	1451.4	1366.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	32	17.5	54.69	39.8	1301	1340.9
Standard	27	15.5	57.41	63	1273.2	1336.2
Rapid	5	2	40	-85	1451.4	1366.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1272.1	1269.4	1199.6	1200
2025-09-30	1319.6	1322.3	1199.6	1200
2025-09-01	1283.7	1285.6	1199.6	1200
2025-08-01	1283.7	1285.6	1199.6	1200
2025-07-01	1268.4	1285.6	1200	1200
2025-06-01	1268.4	1285.6	1200	1200
2025-05-01	1268.4	1285.6	1200	1200
2025-04-01	1268.4	1285.6	1200	1200
2025-03-01	1268.4	1285.6	1200	1200
2025-02-01	1268.4	1285.6	1200	1200
2025-01-01	1268.4	1285.6	1200	1200
2024-12-01	1268.4	1285.6	1200	1200
2024-11-01	1268.4	1285.6	1200	1200
2024-10-01	1268.4	1285.6	1200	1200
2024-09-01	1239.1	1252.1	1200	1200
2024-08-01	1278	1296	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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	Bojanala's FIDE On The Orion Express 2025 (Knights)	2025-10-04	2025-10-05	Standard	Bojanala Platina (NBR)	7	7	2	Yes	Analysis
2	Parkies Invitational 2025 (U11)	2025-09-23	2025-09-23	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
3	Bojanala's Clash Of Schools -Primary Schools 2025 (U11)	2025-07-26	2025-07-26	Rapid	Bojanala Platina (NBR)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's FIDE On The Orion Express 2025 (Knights)	2025-10-04	2025-10-05	Standard	Bojanala Platina (NBR)	7	7	2	Yes	Analysis
2	Parkies Invitational 2025 (U11)	2025-09-23	2025-09-23	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
3	Bojanala's Clash Of Schools -Primary Schools 2025 (U11)	2025-07-26	2025-07-26	Rapid	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
4	Bojanala Circuit Championships 3 of 4 2024 (U12)	2024-09-14	2024-09-14	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
5	Bojanala's FIDE In The Sparkling Waters 2024 (Junior Champs)	2024-08-17	2024-08-17	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
6	Bojanala's Clash Of Schools 2024 (U11)	2024-07-20	2024-07-20	Standard	Bojanala Platina (NBR)	5	5	5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Bojanala's Clash Of Schools 2024				Tournament Bojanala's Clash Of Schools 2024
		date 2024-07-20	rnd 1	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Erasmus, J (John-Henry)				Opponent Thipe, T (Tlalefo)
2	2	Tournament Parkies Invitational 2025				Tournament Parkies Invitational 2025
		date 2025-09-23	rnd 4	type Standard	result 1	date 2025-09-23	rnd 5	type Standard	result 1
		Opponent Magano, R (Regomoditswe)				Opponent Fraser, U (Ulrick)
3	2	Tournament Parkies Invitational 2025				Tournament Parkies Invitational 2025
		date 2025-09-23	rnd 1	type Standard	result 1	date 2025-09-23	rnd 2	type Standard	result 1
		Opponent Antunes, A (Arabelle)				Opponent Van Der Wath, S (Serin)

#	Games	Start				End
1	5	Tournament Bojanala's Clash Of Schools 2024				Tournament Bojanala's Clash Of Schools 2024
		date 2024-07-20	rnd 1	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Erasmus, J (John-Henry)				Opponent Thipe, T (Tlalefo)
2	2	Tournament Bojanala Circuit Championships 3 of 4 2024				Tournament Bojanala Circuit Championships 3 of 4 2024
		date 2024-09-14	rnd 1	type Standard	result 1	date 2024-09-14	rnd 2	type Standard	result 1
		Opponent Mogomotsi, G (Gofaone)				Opponent Pilane, M (Maemo)
3	1	Tournament Bojanala Circuit Championships 3 of 4 2024				Tournament Bojanala Circuit Championships 3 of 4 2024
		date 2024-09-14	rnd 4	type Standard	result 0.5	date 2024-09-14	rnd 4	type Standard	result 0.5
		Opponent Goncalves, E (Emilio)				Opponent Goncalves, E (Emilio)

#	Games	Start				End
1	2	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 3	type Rapid	result 1	date 2025-07-26	rnd 4	type Rapid	result 1
		Opponent Bantseke, L (Lesedilamodimo)				Opponent Lightfoot, B (Bismarck)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Bojanala's Clash Of Schools 2024				Tournament Bojanala's Clash Of Schools 2024
		date 2024-07-20	rnd 1	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Erasmus, J (John-Henry)				Opponent Thipe, T (Tlalefo)
2	2	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 3	type Rapid	result 1	date 2025-07-26	rnd 4	type Rapid	result 1
		Opponent Bantseke, L (Lesedilamodimo)				Opponent Lightfoot, B (Bismarck)
3	2	Tournament Bojanala Circuit Championships 3 of 4 2024				Tournament Bojanala Circuit Championships 3 of 4 2024
		date 2024-09-14	rnd 1	type Standard	result 1	date 2024-09-14	rnd 2	type Standard	result 1
		Opponent Mogomotsi, G (Gofaone)				Opponent Pilane, M (Maemo)

#	Games	Start				End
1	5	Tournament Bojanala's Clash Of Schools 2024				Tournament Bojanala's Clash Of Schools 2024
		date 2024-07-20	rnd 1	type Standard	result 1	date 2024-07-20	rnd 5	type Standard	result 1
		Opponent Erasmus, J (John-Henry)				Opponent Thipe, T (Tlalefo)
2	2	Tournament Bojanala Circuit Championships 3 of 4 2024				Tournament Bojanala Circuit Championships 3 of 4 2024
		date 2024-09-14	rnd 1	type Standard	result 1	date 2024-09-14	rnd 2	type Standard	result 1
		Opponent Mogomotsi, G (Gofaone)				Opponent Pilane, M (Maemo)
3	1	Tournament Bojanala's FIDE In The Sparkling Waters 2024				Tournament Bojanala's FIDE In The Sparkling Waters 2024
		date 2024-08-17	rnd 4	type Standard	result 1	date 2024-08-17	rnd 4	type Standard	result 1
		Opponent Mmutlane, K (Kaone-Botshelo)				Opponent Mmutlane, K (Kaone-Botshelo)

#	Games	Start				End
1	2	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 3	type Rapid	result 1	date 2025-07-26	rnd 4	type Rapid	result 1
		Opponent Bantseke, L (Lesedilamodimo)				Opponent Lightfoot, B (Bismarck)

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	Pilane ,M (Maemo)	2	1	0	2	1	0	0	0	0	0	0	0
1	Pilane ,M (Maemo)	2	1446.9	1446.9	2	1476.6	1446.9	0	0	0	0	0	0
2	Goncalves ,E (Emilio)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Goncalves ,E (Emilio)	1	1612.2	1612.2	1	1590.6	1612.2	0	0	0	0	0	0
3	Erasmus ,J (John-Henry)	1	1	425	1	1	425	0	0	0	0	0	0
3	Erasmus ,J (John-Henry)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Tlholakae ,B (Bokamoso)	1	1	425	1	1	425	0	0	0	0	0	0
4	Tlholakae ,B (Bokamoso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Terblanche ,B (Bernard)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Terblanche ,B (Bernard)	1	1326.1	901.1	1	1328.2	901.1	0	0	0	0	0	0
6	Da Silva ,J (Jason)	1	1	425	1	1	425	0	0	0	0	0	0
6	Da Silva ,J (Jason)	1	1217.1	1642.1	1	1142.8	1642.1	0	0	0	0	0	0
7	Thipe ,T (Tlalefo)	1	1	425	1	1	425	0	0	0	0	0	0
7	Thipe ,T (Tlalefo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Gemmell ,R (Ryan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Gemmell ,R (Ryan)	1	1184.6	759.6	1	1168	759.6	0	0	0	0	0	0
9	Kaboyaone ,KA (Karl Amour)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Kaboyaone ,KA (Karl Amour)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Scholtz ,M (Matthew)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Scholtz ,M (Matthew)	1	1200	775	1	1200	775	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

Strydom, J (Johan�)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms