Chess South Africa Ratings Database

PLAYER PAGE

Personal

Calitz, L (Lydia)

Chess SA id

2130150464

FIDE id

Date of birth

2013-08-05 (U14)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1366.4

Item	Main	Standard	Rapid	Blitz
Rating	1321.7	1324	1208.3	1200
Raw rating	1321.7	1324	1208.3	1200
Weighted rating	1298.9	1302	1206.8	1200
Weighted performance	1217.9	1209.9	0	0
Floor	833.5	847.1	708.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	139.4	139	163.9	165.8
Highest rating	1373.5 2023-02-01	1380.8 2023-02-01	1240.1 2024-09-01	1200 2018-10-01
Highest raw rating	1333.5 2025-04-01	1347.1 2025-04-01	1208.3 2024-10-01	1200 2024-03-01
Highest weighted rating	1289.2 2025-08-01	1292.7 2025-08-01	1205.8 2025-08-01	1200 2018-10-01
Highest weighted performance	1373.5 2023-02-01	1380.8 2023-02-01	1240.1 2024-09-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1321.7	1324	1208.3	1200
Analysis
Rating	1321.7	1324	1208.3	1200
Raw rating	1321.7	1324	1208.3	1200
Weighted rating	1298.9	1302	1206.8
Weighted performance	1217.9	1209.9	0
K-factor	36	36	36	36
Floor	833.5	847.1	708.3	700
Max/Min rating change allowed	139.4	139	163.9	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	1321.7	1324	1208.3	1200
New weighted rating	1301.7	1304.7	1207.1	1200
New weighted performance	1210.1	1202.1	0	0
Temp new rating	1321.7	1324	1208.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1321.7	1324	1208.3	1200
New K-factor	36	36	36	36
New floor	833.5	847.1	708.3	700

Item	Main	Standard	Rapid
	0	0	0
	18	18	0
	23	17	6
	18	18	0
	0	0	0
	0	0	0
History	59	53	6

Games since
	Main 41	Standard 35		Rapid 6		Blitz 0
Gender	Female
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3060		997		418
Female	616		247		86
U14	560		190		79
U14 Female	148		62		23
Standard
	RSA		Province		Region
Overall	2944		841		369
Female	569		209		77
U14	530		154		64
U14 Female	140		55		22
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
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	18	10.5	58.33	70.8	1306.7	1377.6
Standard	18	10.5	58.33	70.8	1306.7	1377.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	59	32.5	55.08	43.2	1274.2	1317.4
Standard	53	29.5	55.66	48.1	1277.9	1326
Rapid	6	3	50	0	1241.9	1241.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1321.7	1324	1208.3	1200
2025-09-30	1321.7	1324	1208.3	1200
2025-09-01	1321.7	1324	1208.3	1200
2025-08-01	1321.7	1324	1208.3	1200
2025-07-01	1321.7	1324	1208.3	1200
2025-06-01	1321.7	1324	1208.3	1200
2025-05-01	1333.5	1347.1	1208.3	1200
2025-04-01	1333.5	1347.1	1208.3	1200
2025-03-01	1283.6	1288.5	1208.3	1200
2025-02-01	1265.1	1268	1208.3	1200
2025-01-01	1265	1265.9	1208.3	1200
2024-12-01	1265	1265.9	1208.3	1200
2024-11-01	1265	1265.9	1208.3	1200
2024-10-01	1265	1265.9	1208.3	1200
2024-09-01	1268.9	1265.9	1200	1200
2024-08-01	1268.9	1265.9	1200	1200
2024-07-01	1268.9	1265.9	1200	1200
2024-09-01	1268.9	1265.9	1200	1200
2024-05-01	1268.3	1266.6	1200	1200
2024-04-01	1268.3	1266.6	1200	1200
2024-03-01	1266.5	1276	1200	1200
2024-02-01	1261.4	1273.1	1200	1200
2024-01-01	1261.4	1273.1	1200	1200
2023-12-01	1261.4	1273.1	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	Western Cape Schools Individual Championship 2025 (U13 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
2	CT Metro Schools Individual Closed 2025 (U13 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
3	CT Metro North Schools Chess Individual Trials 2025 (U13 Girls)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U13 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
2	CT Metro Schools Individual Closed 2025 (U13 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
3	CT Metro North Schools Chess Individual Trials 2025 (U13 Girls)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
4	CBC Rapid Chess Tournament 2024 (U12)	2024-09-14	2024-09-14	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
5	Western Cape PS Individuals Championship 2024 (U11 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
6	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
7	North District School Trials 2024 (U11 Girls)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
8	Western Cape PS Individuals 2023 (U11 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
9	Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Girls)	2023-03-03	2023-03-04	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
10	North District School Trials 2023 (U11 Girls)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament Western Cape PS Individuals Championship 2024				Tournament CBC Rapid Chess Tournament 2024
		date 2024-05-05	rnd 6	type Standard	result 1	date 2024-09-14	rnd 3	type Rapid	result 1
		Opponent Steyn, S (Samantha)				Opponent Li, K (Karena)
2	3	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-09	rnd 6	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Li, K (Karena)				Opponent Pretorius, M (Mia)
3	3	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Ismail, A (Amara)				Opponent Pretorius, Z (Zuribeth)

#	Games	Start				End
1	3	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-09	rnd 6	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Li, K (Karena)				Opponent Pretorius, M (Mia)
2	3	Tournament Western Cape PS Individuals Championship 2024				Tournament CT Metro North Schools Chess Individual Trials 2025
		date 2024-05-05	rnd 6	type Standard	result 1	date 2025-02-08	rnd 2	type Standard	result 1
		Opponent Steyn, S (Samantha)				Opponent Singh, S (Seristhi)
3	3	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Ismail, A (Amara)				Opponent Pretorius, Z (Zuribeth)

#	Games	Start				End
1	3	Tournament CBC Rapid Chess Tournament 2024				Tournament CBC Rapid Chess Tournament 2024
		date 2024-09-14	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 3	type Rapid	result 1
		Opponent Heydra, M (Matthew)				Opponent Li, K (Karena)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Western Cape PS Individuals Championship 2024				Tournament CBC Rapid Chess Tournament 2024
		date 2024-05-05	rnd 6	type Standard	result 1	date 2024-09-14	rnd 3	type Rapid	result 1
		Opponent Steyn, S (Samantha)				Opponent Li, K (Karena)
2	3	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-09	rnd 6	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Li, K (Karena)				Opponent Pretorius, M (Mia)
3	3	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Ismail, A (Amara)				Opponent Pretorius, Z (Zuribeth)

#	Games	Start				End
1	3	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-09	rnd 6	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Li, K (Karena)				Opponent Pretorius, M (Mia)
2	3	Tournament Western Cape PS Individuals Championship 2024				Tournament CT Metro North Schools Chess Individual Trials 2025
		date 2024-05-05	rnd 6	type Standard	result 1	date 2025-02-08	rnd 2	type Standard	result 1
		Opponent Steyn, S (Samantha)				Opponent Singh, S (Seristhi)
3	3	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Ismail, A (Amara)				Opponent Pretorius, Z (Zuribeth)

#	Games	Start				End
1	3	Tournament CBC Rapid Chess Tournament 2024				Tournament CBC Rapid Chess Tournament 2024
		date 2024-09-14	rnd 1	type Rapid	result 1	date 2024-09-14	rnd 3	type Rapid	result 1
		Opponent Heydra, M (Matthew)				Opponent Li, K (Karena)

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	Pretorius ,Z (Zuribeth)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
1	Pretorius ,Z (Zuribeth)	4	1231.2	1443.7	4	1236.5	1443.7	0	0	0	0	0	0
2	Booysen ,G (Giavanna)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Booysen ,G (Giavanna)	3	1193.5	1335.1	3	1180.8	1335.1	0	0	0	0	0	0
3	Li ,K (Karena)	3	2	141.7	2	1	0	1	1	425	0	0	0
3	Li ,K (Karena)	3	1283.9	1425.6	2	1256.6	1283.9	1	1227.8	1708.9	0	0	0
4	Slabbert ,A (Alexei)	2	2	425	2	2	425	0	0	0	0	0	0
4	Slabbert ,A (Alexei)	2	1195.1	1620.1	2	1192.2	1620.1	0	0	0	0	0	0
5	Xabadiya ,N (Nizibone)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Xabadiya ,N (Nizibone)	2	1344.2	919.2	2	1369.2	919.2	0	0	0	0	0	0
6	Wilson ,EM (Emlyn Marissa)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Wilson ,EM (Emlyn Marissa)	2	1364.7	939.7	2	1363.7	939.7	0	0	0	0	0	0
7	Cornforth ,K (Kayleigh)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Cornforth ,K (Kayleigh)	2	1658.2	1233.2	2	1673.9	1233.2	0	0	0	0	0	0
8	Geldenhuys ,K (Katja)	2	1	0	2	1	0	0	0	0	0	0	0
8	Geldenhuys ,K (Katja)	2	1227.2	1227.2	2	1227	1227.2	0	0	0	0	0	0
9	Pretorius ,M (Mia)	2	1	0	2	1	0	0	0	0	0	0	0
9	Pretorius ,M (Mia)	2	1424.6	1424.6	2	1421.8	1424.6	0	0	0	0	0	0
10	Sybokwe ,O (Ovayo)	2	2	425	2	2	425	0	0	0	0	0	0
10	Sybokwe ,O (Ovayo)	2	1150.4	1575.4	2	1150.6	1575.4	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

Calitz, L (Lydia)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms