Chess South Africa Ratings Database

PLAYER PAGE

Personal

Geduldt, J (Joanna)

Chess SA id

2170323696

FIDE id

Date of birth

2017-09-12 (U10)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-11-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1215.2	1203.2	1245.7	1200
Raw rating	1208.6	1184.5	1245.7	1200
Weighted rating	1215.2	1203.2	1219.6	1200
Weighted performance	0	0	0	0
Floor	759.1	740.7	745.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.8	169.5	155.4	165.8
Highest rating	1259.1 2025-11-30	1240.7 2025-11-30	1245.7 2025-08-01	1200 2025-08-01
Highest raw rating	1259.1 2025-11-30	1240.7 2025-11-30	1245.7 2025-08-01	1200 2025-08-01
Highest weighted rating	1215.2 2026-01-01	1204.6 2025-11-30	1203.7 2025-08-01	1200 2025-08-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0	-1.4	0	0
New rating	1215.2	1201.8	1245.7	1200
Analysis
Rating	1215.2	1203.2	1245.7	1200
Raw rating	1208.6	1184.5	1245.7	1200
Weighted rating	1215.2	1203.2	1219.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	759.1	740.7	745.7	700
Max/Min rating change allowed	163.8	169.5	155.4	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	1208.6	1184.5	1245.7	1200
New weighted rating	1215.2	1201.8	1222.4	1200
New weighted performance	0	0	0	0
Temp new rating	1215.2	1201.8	1245.7	1200
Temp new rating +/-	-0	-1.4	0	0
Final new rating +/-	-0	-1.4	0	0
New rating	1215.2	1201.8	1245.7	1200
New K-factor	36	36	36	36
New floor	759.1	740.7	745.7	700

Item	Main	Standard	Rapid
	0	0	0
	14	9	5
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	14	9	5

Games since
	Main 14	Standard 9		Rapid 5		Blitz 0
Gender	Female
Age group	U10
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 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	14	9	64.29	121.4	1240.9	1362.4
Standard	9	5.5	61.11	94.4	1221.9	1316.3
Rapid	5	3.5	70	170	1275.2	1445.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	9	64.29	121.4	1240.9	1362.4
Standard	9	5.5	61.11	94.4	1221.9	1316.3
Rapid	5	3.5	70	170	1275.2	1445.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1208.6	1184.5	1245.7	1200
2025-11-30	1259.1	1240.7	1245.7	1200
2025-11-01	1243.9	1218	1245.7	1200
2025-09-30	1233.7	1200	1245.7	1200
2025-09-01	1233.7	1200	1245.7	1200
2025-08-01	1233.7	1200	1245.7	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	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

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	A & A Invitational Chess Tournament 2025 (U8+U10)	2025-11-29	2025-11-29	Standard	Cape Town (WCT)	5	5	0.5	Yes	Analysis
2	Gordons Bay Primary Chess Championship 2025 (U9)	2025-10-25	2025-10-25	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
3	Grant East Annual Primary School Invitational Chess Tournament 2025 (U9 Girls)	2025-10-18	2025-10-18	Standard	Cape Town (WCT)	5	4	2.5	Yes	Analysis
4	Gordons Bay Library Chess Tournament 2025 (U9)	2025-07-26	2025-07-26	Rapid	Cape Town (WCT)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Grant East Annual Primary School Invitational Chess Tournament 2025				Tournament Grant East Annual Primary School Invitational Chess Tournament 2025
		date 2025-10-18	rnd 3	type Standard	result 0.5	date 2025-10-18	rnd 5	type Standard	result 1
		Opponent Van der Merwe, L (Len�)				Opponent Prinsloo, E (Ella-Mae)
2	3	Tournament Gordons Bay Library Chess Tournament 2025				Tournament Gordons Bay Library Chess Tournament 2025
		date 2025-07-26	rnd 1	type Rapid	result 0.5	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Erasmus, H (Hannah)				Opponent Poole, C (Cayden)
3	1	Tournament Gordons Bay Library Chess Tournament 2025				Tournament Gordons Bay Library Chess Tournament 2025
		date 2025-07-26	rnd 5	type Rapid	result 1	date 2025-07-26	rnd 5	type Rapid	result 1
		Opponent Frazenburg, H (Hope)				Opponent Frazenburg, H (Hope)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Gordons Bay Library Chess Tournament 2025				Tournament Gordons Bay Library Chess Tournament 2025
		date 2025-07-26	rnd 1	type Rapid	result 0.5	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Erasmus, H (Hannah)				Opponent Poole, C (Cayden)
2	1	Tournament Gordons Bay Library Chess Tournament 2025				Tournament Gordons Bay Library Chess Tournament 2025
		date 2025-07-26	rnd 5	type Rapid	result 1	date 2025-07-26	rnd 5	type Rapid	result 1
		Opponent Frazenburg, H (Hope)				Opponent Frazenburg, H (Hope)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Gordons Bay Library Chess Tournament 2025				Tournament Gordons Bay Library Chess Tournament 2025
		date 2025-07-26	rnd 2	type Rapid	result 1	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Sauls, J (Jake)				Opponent Poole, C (Cayden)
2	1	Tournament Gordons Bay Library Chess Tournament 2025				Tournament Gordons Bay Library Chess Tournament 2025
		date 2025-07-26	rnd 5	type Rapid	result 1	date 2025-07-26	rnd 5	type Rapid	result 1
		Opponent Frazenburg, H (Hope)				Opponent Frazenburg, H (Hope)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Gordons Bay Library Chess Tournament 2025				Tournament Gordons Bay Library Chess Tournament 2025
		date 2025-07-26	rnd 2	type Rapid	result 1	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Sauls, J (Jake)				Opponent Poole, C (Cayden)
2	1	Tournament Gordons Bay Library Chess Tournament 2025				Tournament Gordons Bay Library Chess Tournament 2025
		date 2025-07-26	rnd 5	type Rapid	result 1	date 2025-07-26	rnd 5	type Rapid	result 1
		Opponent Frazenburg, H (Hope)				Opponent Frazenburg, H (Hope)

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	Erasmus ,H (Hannah)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
1	Erasmus ,H (Hannah)	2	1186.8	1399.3	1	1176.2	1611.8	1	1193.7	1186.8	0	0	0
2	Poole ,C (Cayden)	2	1	0	1	0	-425	1	1	425	0	0	0
2	Poole ,C (Cayden)	2	1363.6	1363.6	1	1327.1	938.6	1	1269.3	1788.6	0	0	0
3	Onyire ,W (Winner)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Onyire ,W (Winner)	1	1276.3	851.3	1	1261.3	851.3	0	0	0	0	0	0
4	Van der Merwe ,L (Len�)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Van der Merwe ,L (Len�)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
5	Carstens ,A (Alei)	1	1	425	1	1	425	0	0	0	0	0	0
5	Carstens ,A (Alei)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Koutsis ,R (Raphaella)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Koutsis ,R (Raphaella)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Johnson ,F (Farhan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Johnson ,F (Farhan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Prinsloo ,E (Ella-Mae)	1	1	425	1	1	425	0	0	0	0	0	0
8	Prinsloo ,E (Ella-Mae)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Visagie ,N (Noah)	1	1	425	1	1	425	0	0	0	0	0	0
9	Visagie ,N (Noah)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Sauls ,J (Jake)	1	1	425	0	0	0	1	1	425	0	0	0
10	Sauls ,J (Jake)	1	1196.3	1621.3	0	0	0	1	1198.5	1621.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Geduldt, J (Joanna)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms