Chess South Africa Ratings Database

PLAYER PAGE

Personal

Geldenhuys, K (Katja)

Chess SA id

2130150465

FIDE id

Date of birth

2013-04-12 (U14)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

32.5

Junior GPX Points

1177.5

Item	Main	Standard	Rapid	Blitz
Rating	1326.5	1339.3	1297.7	1200
Raw rating	1326.5	1339.3	1297.7	1200
Weighted rating	1324.6	1316.1	1290.7	1200
Weighted performance	1221.7	1268	1200.3	0
Floor	865	857	812.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	138.5	136	144.3	165.8
Highest rating	1365 2025-04-01	1357 2025-04-01	1640.6 2023-07-01	1200 2018-10-01
Highest raw rating	1365 2025-04-01	1357 2025-04-01	1312.3 2024-11-01	1200 2024-03-01
Highest weighted rating	1321.1 2025-09-01	1308.7 2025-09-01	1312.3 2025-07-01	1200 2018-10-01
Highest weighted performance	1343.4 2025-06-01	1322 2024-03-01	1640.6 2023-07-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1326.5	1339.3	1297.7	1200
Analysis
Rating	1326.5	1339.3	1297.7	1200
Raw rating	1326.5	1339.3	1297.7	1200
Weighted rating	1324.6	1316.1	1290.7
Weighted performance	1221.7	1268	1200.3
K-factor	36	36	36	36
Floor	865	857	812.3	700
Max/Min rating change allowed	138.5	136	144.3	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	1326.5	1339.3	1297.7	1200
New weighted rating	1326	1319.3	1292.5	1200
New weighted performance	1214.3	1260.1	1192.8	0
Temp new rating	1326.5	1339.3	1297.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1326.5	1339.3	1297.7	1200
New K-factor	36	36	36	36
New floor	865	857	812.3	700

Item	Main	Standard	Rapid
	0	0	0
	41	23	18
	28	17	11
	31	24	7
	0	0	0
	0	0	0
History	100	64	36

Games since
	Main 75	Standard 40		Rapid 35		Blitz 0
Gender	Female
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2995		974		411
Female	592		234		81
U14	543		184		76
U14 Female	140		58		21
Standard
	RSA		Province		Region
Overall	2776		780		347
Female	520		189		71
U14	484		137		56
U14 Female	122		47		18
Rapid
	RSA		Province		Region
Overall	1069		540		234
Female	181		101		30
U14	239		125		52
U14 Female	60		32		11
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	41	23.5	57.32	62.2	1262.2	1324.3
Standard	23	14.5	63.04	110.9	1281.7	1392.6
Rapid	18	9	50	0	1237.1	1237.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	100	56	56	51	1260.1	1311.1
Standard	64	35.5	55.47	46.5	1264.4	1310.9
Rapid	36	20.5	56.94	59	1252.4	1311.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1326.5	1339.3	1297.7	1200
2025-09-30	1326.5	1339.3	1297.7	1200
2025-09-01	1326.5	1339.3	1297.7	1200
2025-08-01	1326.6	1356.4	1281.2	1200
2025-07-01	1360	1356.4	1303.2	1200
2025-06-01	1360	1356.4	1303.2	1200
2025-05-01	1365	1357	1303.2	1200
2025-04-01	1365	1357	1303.2	1200
2025-03-01	1329.3	1311.3	1303.2	1200
2025-02-01	1315.7	1269.8	1312.3	1200
2025-01-01	1315.7	1269.8	1312.3	1200
2024-12-01	1315.7	1269.8	1312.3	1200
2024-11-01	1315.7	1269.8	1312.3	1200
2024-10-01	1296.8	1269.8	1281	1200
2024-09-01	1296.8	1269.8	1281	1200
2024-08-01	1296.8	1269.8	1281	1200
2024-07-01	1275.6	1269.8	1227.7	1200
2024-09-01	1275.6	1269.8	1227.7	1200
2024-05-01	1284.6	1283.5	1227.7	1200
2024-04-01	1284.6	1283.5	1227.7	1200
2024-03-01	1291.5	1299.7	1227.7	1200
2024-02-01	1254.4	1254	1227.7	1200
2024-01-01	1254.4	1254	1227.7	1200
2023-12-01	1254.4	1254	1227.7	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	Curro Chess Open Rapid 2025 (U14)	2025-08-23	2025-08-23	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
2	Cape Town Metro North Top Schools 2025 (U13)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
3	4th Curro Durbanville Rapid Open 2025 (Intermediate)	2025-07-19	2025-07-19	Rapid	Cape Town (WCT)	7	6	2	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U13 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
5	CT Metro Schools Individual Closed 2025 (U13 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
6	Cape of Good Hope Open 2025 (U12)	2025-02-22	2025-02-22	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
7	CT Metro North Schools Chess Individual Trials 2025 (U13 Girls)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Curro Chess Open Rapid 2025 (U14)	2025-08-23	2025-08-23	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
2	Cape Town Metro North Top Schools 2025 (U13)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
3	4th Curro Durbanville Rapid Open 2025 (Intermediate)	2025-07-19	2025-07-19	Rapid	Cape Town (WCT)	7	6	2	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U13 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
5	CT Metro Schools Individual Closed 2025 (U13 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
6	Cape of Good Hope Open 2025 (U12)	2025-02-22	2025-02-22	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
7	CT Metro North Schools Chess Individual Trials 2025 (U13 Girls)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
8	Laerskool Welgemoed Rapid 2024 (U12)	2024-10-19	2024-10-19	Rapid	Cape Town (WCT)	6	6	3.5	Yes	Analysis
9	CT District North Top Schools 2024 (U11 Mixed)	2024-07-27	2024-07-27	Rapid	Cape Town (WCT)	5	5	4	Yes	Analysis
10	Western Cape PS Individuals Championship 2024 (U11 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
11	Cape Town Metro Schools Chess Closed Individuals 2024 (U11 Girls)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
12	North District School Trials 2024 (U11 Girls)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
13	Chas Everitt and MHI Attorneys Rapid 2023 (U12)	2023-11-04	2023-11-04	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
14	Western Cape Top Schools 2023 (U13 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	6	5	Yes	Analysis
15	CT Metro District North Top Schools Chess 2023 (U13 Girls)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	1	1	1	Yes	Analysis
16	Western Cape PS Individuals 2023 (U11 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
17	Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Girls)	2023-03-03	2023-03-04	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
18	North District School Trials 2023 (U11 Girls)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament North District School Trials 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Morena, B (Bontle Lotus)				Opponent Mashua, M (Maisha)
2	5	Tournament CT Metro District North Top Schools Chess 2023				Tournament Western Cape Top Schools 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-09-02	rnd 4	type Standard	result 1
		Opponent Clensie, M (Maralyn)				Opponent Cetywayo, T (Thimna)
3	4	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-09	rnd 5	type Standard	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Bezuidenhout, M (Mari)				Opponent Salmoen, N (Nephi)

#	Games	Start				End
1	5	Tournament North District School Trials 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Morena, B (Bontle Lotus)				Opponent Mashua, M (Maisha)
2	4	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 1	type Standard	result 1	date 2023-09-02	rnd 4	type Standard	result 1
		Opponent Coetzee, C (Carli)				Opponent Cetywayo, T (Thimna)
3	3	Tournament CT Metro Schools Individual Closed 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-02	rnd 5	type Standard	result 1
		Opponent Phileman, Z (Zaeemah)				Opponent Iuzhakova, H (Heidi)

#	Games	Start				End
1	4	Tournament CT District North Top Schools 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-07-27	rnd 5	type Rapid	result 1	date 2024-10-19	rnd 3	type Rapid	result 1
		Opponent Musonah, J (Jayden)				Opponent Calitz, S (Steyn)
2	4	Tournament Chas Everitt and MHI Attorneys Rapid 2023				Tournament CT District North Top Schools 2024
		date 2023-11-04	rnd 6	type Rapid	result 1	date 2024-07-27	rnd 3	type Rapid	result 1
		Opponent Yon, J (Jay Tee)				Opponent Fourie, A (Albert)
3	3	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 4	type Rapid	result 1	date 2025-08-23	rnd 6	type Rapid	result 1
		Opponent Madikane, I (Iminathi)				Opponent Johnston, A (Arthur)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament North District School Trials 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Morena, B (Bontle Lotus)				Opponent Mashua, M (Maisha)
2	5	Tournament CT Metro District North Top Schools Chess 2023				Tournament Western Cape Top Schools 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-09-02	rnd 4	type Standard	result 1
		Opponent Clensie, M (Maralyn)				Opponent Cetywayo, T (Thimna)
3	4	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-09	rnd 5	type Standard	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Bezuidenhout, M (Mari)				Opponent Salmoen, N (Nephi)

#	Games	Start				End
1	5	Tournament North District School Trials 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Morena, B (Bontle Lotus)				Opponent Mashua, M (Maisha)
2	4	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 1	type Standard	result 1	date 2023-09-02	rnd 4	type Standard	result 1
		Opponent Coetzee, C (Carli)				Opponent Cetywayo, T (Thimna)
3	3	Tournament CT Metro Schools Individual Closed 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-02	rnd 5	type Standard	result 1
		Opponent Phileman, Z (Zaeemah)				Opponent Iuzhakova, H (Heidi)

#	Games	Start				End
1	4	Tournament Chas Everitt and MHI Attorneys Rapid 2023				Tournament CT District North Top Schools 2024
		date 2023-11-04	rnd 6	type Rapid	result 1	date 2024-07-27	rnd 3	type Rapid	result 1
		Opponent Yon, J (Jay Tee)				Opponent Fourie, A (Albert)
2	3	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 4	type Rapid	result 1	date 2025-08-23	rnd 6	type Rapid	result 1
		Opponent Madikane, I (Iminathi)				Opponent Johnston, A (Arthur)
3	3	Tournament Laerskool Welgemoed Rapid 2024				Tournament Cape of Good Hope Open 2025
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Van Staden, C (Chris)				Opponent Salmoen, N (Nephi)

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	De Villiers ,C (Christiaan)	3	0.5	-283.3	0	0	0	3	0.5	-283.3	0	0	0
1	De Villiers ,C (Christiaan)	3	1455.3	1172	0	0	0	3	1479.7	1172	0	0	0
2	Bolton ,A (Alyssa)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Bolton ,A (Alyssa)	2	1342.7	917.7	2	1322.4	917.7	0	0	0	0	0	0
3	Liu ,A (Amy)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Liu ,A (Amy)	2	1504.6	1079.6	2	1488.9	1079.6	0	0	0	0	0	0
4	Barnard ,M (Maxine)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
4	Barnard ,M (Maxine)	2	1201.9	1414.4	2	1199.7	1414.4	0	0	0	0	0	0
5	Pretorius ,Z (Zuribeth)	2	2	425	2	2	425	0	0	0	0	0	0
5	Pretorius ,Z (Zuribeth)	2	1219.1	1644.1	2	1220.3	1644.1	0	0	0	0	0	0
6	Sybokwe ,O (Ovayo)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
6	Sybokwe ,O (Ovayo)	2	1184.9	972.4	2	1181.6	972.4	0	0	0	0	0	0
7	Calitz ,L (Lydia)	2	1	0	2	1	0	0	0	0	0	0	0
7	Calitz ,L (Lydia)	2	1230.7	1230.7	2	1236.6	1230.7	0	0	0	0	0	0
8	Bezuidenhout ,M (Mari)	2	2	425	2	2	425	0	0	0	0	0	0
8	Bezuidenhout ,M (Mari)	2	1191.7	1616.7	2	1208.6	1616.7	0	0	0	0	0	0
9	Iuzhakova ,H (Heidi)	2	1	0	2	1	0	0	0	0	0	0	0
9	Iuzhakova ,H (Heidi)	2	1405.2	1405.2	2	1409.2	1405.2	0	0	0	0	0	0
10	Patel ,D (Deetya)	2	0	-425	1	0	-425	1	0	-425	0	0	0
10	Patel ,D (Deetya)	2	1193.4	768.4	1	1200	768.4	1	1168.7	768.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Geldenhuys, K (Katja)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms