Chess South Africa Ratings Database

PLAYER PAGE

Personal

Booysen, G (Giavanna)

Chess SA id

2130143657

FIDE id

Date of birth

2013-04-10 (U14)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

29.3

Junior GPX Points

1091.2

Item	Main	Standard	Rapid	Blitz
Rating	1248.1	1259.7	1201.4	1200
Raw rating	1248.1	1259.7	1198.4	1200
Weighted rating	1247.4	1243.3	1201.4	1200
Weighted performance	1152.8	1193.3	1085.8	0
Floor	769	768.6	726.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	154.8	152.3	166.2	165.8
Highest rating	1269 2024-08-01	1268.6 2025-04-01	1226.9 2024-08-01	1200 2018-10-01
Highest raw rating	1269 2024-08-01	1268.6 2025-04-01	1226.9 2024-08-01	1200 2024-03-01
Highest weighted rating	1269 2025-05-05	1240.5 2025-09-01	1226.9 2024-10-01	1200 2018-10-01
Highest weighted performance	1268.7 2024-07-01	1228.6 2024-05-01	1220.5 2022-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.2	0	-0.2	0
New rating	1248.4	1259.7	1201.2	1200
Analysis
Rating	1248.1	1259.7	1201.4	1200
Raw rating	1248.1	1259.7	1198.4	1200
Weighted rating	1247.4	1243.3	1201.4
Weighted performance	1152.8	1193.3	1085.8
K-factor	36	36	36	36
Floor	769	768.6	726.9	700
Max/Min rating change allowed	154.8	152.3	166.2	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	1248.1	1259.7	1198.4	1200
New weighted rating	1248.4	1245.9	1201.2	1200
New weighted performance	1152.4	1192.8	1085.4	0
Temp new rating	1248.4	1259.7	1201.2	1200
Temp new rating +/-	0.2	0	-0.2	0
Final new rating +/-	0.2	0	-0.2	0
New rating	1248.4	1259.7	1201.2	1200
New K-factor	36	36	36	36
New floor	769	768.6	726.9	700

Item	Main	Standard	Rapid
	0	0	0
	35	22	13
	29	17	12
	37	18	19
	11	0	11
	0	0	0
History	112	57	55

Games since
	Main 64	Standard 39		Rapid 25		Blitz 0
Gender	Female
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3652		1200		456
Female	824		335		104
U14	687		229		93
U14 Female	185		79		27
Standard
	RSA		Province		Region
Overall	3425		973		384
Female	762		286		98
U14	655		187		76
U14 Female	179		72		27
Rapid
	RSA		Province		Region
Overall	1623		824		302
Female	360		206		47
U14	356		193		68
U14 Female	105		63		17
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	35	15	42.86	-60.7	1263.3	1202.6
Standard	22	10	45.45	-38.6	1269.4	1230.8
Rapid	13	5	38.46	-98.1	1253	1155
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	112	51	45.54	-37.9	1251.5	1213.6
Standard	57	26	45.61	-37.3	1264.6	1227.3
Rapid	55	25	45.45	-38.6	1238	1199.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1248.1	1259.7	1198.4	1200
2025-09-01	1248.1	1259.7	1198.4	1200
2025-08-01	1243.6	1237.1	1200.3	1200
2025-07-01	1243.3	1235.3	1201.9	1200
2025-06-01	1240.5	1232.2	1201.8	1200
2025-05-01	1264	1268.6	1201.7	1200
2025-04-01	1264	1268.6	1201.6	1200
2025-03-01	1236.6	1232	1201.5	1200
2025-02-01	1251.1	1247.4	1200.6	1200
2025-01-01	1251.1	1247.4	1189.1	1200
2024-12-01	1251.1	1247.4	1189.1	1200
2024-11-01	1251.1	1247.4	1189.1	1200
2024-10-01	1269	1247.4	1226.9	1200
2024-09-01	1269	1247.4	1226.9	1200
2024-08-01	1269	1247.4	1226.9	1200
2024-07-01	1255	1247.4	1197.4	1200
2024-06-01	1255	1247.4	1197.4	1200
2024-08-01	1227.8	1224	1197.4	1200
2024-04-01	1227.8	1224	1197.4	1200
2024-03-01	1198.2	1188	1197.4	1200
2024-02-01	1177.3	1154.4	1197.4	1200
2024-01-01	1177.3	1154.4	1197.4	1200
2023-12-01	1177.3	1154.4	1197.4	1200
2023-11-01	1177.3	1154.4	1197.4	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	2.5	Yes	Analysis
2	Cape Town Metro North Top Schools 2025 (U13)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	4	2.5	Yes	Analysis
3	4th Curro Durbanville Rapid Open 2025 (Intermediate)	2025-07-19	2025-07-19	Rapid	Cape Town (WCT)	7	7	2.5	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U13 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	1	Yes	Analysis
5	CT Metro Schools Individual Closed 2025 (U13 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
6	CT Metro North Schools Chess Individual Trials 2025 (U13 Girls)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	3	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	2.5	Yes	Analysis
2	Cape Town Metro North Top Schools 2025 (U13)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	4	2.5	Yes	Analysis
3	4th Curro Durbanville Rapid Open 2025 (Intermediate)	2025-07-19	2025-07-19	Rapid	Cape Town (WCT)	7	7	2.5	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U13 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	1	Yes	Analysis
5	CT Metro Schools Individual Closed 2025 (U13 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
6	CT Metro North Schools Chess Individual Trials 2025 (U13 Girls)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
7	Laerskool Welgemoed Rapid 2024 (U12)	2024-10-19	2024-10-19	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
8	Curro Durbanville Chess Rapid Open 2024 (Beginner)	2024-07-13	2024-07-13	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
9	Western Cape PS Individuals Championship 2024 (U11 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
10	Cape Town Metro Schools Chess Closed Individuals 2024 (U11 Girls)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
11	North District School Trials 2024 (U11 Girls)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
12	Rylib Chess Winter Slam 2023 (C)	2023-07-06	2023-07-06	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
13	Curro Durbanville Chess Open Rapid 2023 (U12)	2023-07-15	2023-07-15	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
14	GPCA Rapid 2023 (U12)	2023-06-24	2023-06-24	Rapid	Cape Town (WCT)	7	7	3	Yes	Analysis
15	Western Cape PS Individuals 2023 (U11 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
16	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
17	North District School Trials 2023 (U11 Girls)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
18	Kraaifontein Rapid Open 2022 (U10)	2022-12-16	2022-12-16	Rapid	Cape Town (WCT)	6	5	2	Yes	Analysis
19	Curro Durbanville Chess Open Rapid 2022 (U8+U10)	2022-07-02	2022-07-02	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament North District School Trials 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Lishman, Z (Zoey)				Opponent Calitz, L (Lydia)
2	3	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-07-19	rnd 7	type Rapid	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Weyers, F (Friedrich)				Opponent Barendse, T (Theorohn)
3	3	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-09	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Gaibe, A (Aisha)				Opponent Louw, L (Lize)

#	Games	Start				End
1	4	Tournament North District School Trials 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Lishman, Z (Zoey)				Opponent Calitz, L (Lydia)
2	3	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-09	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Gaibe, A (Aisha)				Opponent Louw, L (Lize)
3	2	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-01	rnd 1	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Juries, G (Gia)				Opponent Barendse, T (Theorohn)

#	Games	Start				End
1	3	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 6	type Rapid	result 1
		Opponent Kruger, W (Willem Lodewyk Kruger)				Opponent Van Der Spuy, D (Daniel)
2	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-07-19	rnd 7	type Rapid	result 1	date 2025-08-23	rnd 1	type Rapid	result 1
		Opponent Weyers, F (Friedrich)				Opponent Hans, A (Akhile)
3	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament 4th Curro Durbanville Rapid Open 2025
		date 2025-07-19	rnd 2	type Rapid	result 1	date 2025-07-19	rnd 3	type Rapid	result 0.5
		Opponent Smith, A (Alexander)				Opponent Bestbier, L (Luke)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament North District School Trials 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Lishman, Z (Zoey)				Opponent Calitz, L (Lydia)
2	3	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-07-19	rnd 7	type Rapid	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Weyers, F (Friedrich)				Opponent Barendse, T (Theorohn)
3	3	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-09	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Gaibe, A (Aisha)				Opponent Louw, L (Lize)

#	Games	Start				End
1	4	Tournament North District School Trials 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Lishman, Z (Zoey)				Opponent Calitz, L (Lydia)
2	3	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro Schools Individual Closed 2025
		date 2025-02-09	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Gaibe, A (Aisha)				Opponent Louw, L (Lize)
3	2	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-01	rnd 1	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Juries, G (Gia)				Opponent Barendse, T (Theorohn)

#	Games	Start				End
1	3	Tournament Curro Durbanville Chess Rapid Open 2024				Tournament Curro Durbanville Chess Rapid Open 2024
		date 2024-07-13	rnd 4	type Rapid	result 1	date 2024-07-13	rnd 6	type Rapid	result 1
		Opponent Kruger, W (Willem Lodewyk Kruger)				Opponent Van Der Spuy, D (Daniel)
2	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-07-19	rnd 7	type Rapid	result 1	date 2025-08-23	rnd 1	type Rapid	result 1
		Opponent Weyers, F (Friedrich)				Opponent Hans, A (Akhile)
3	2	Tournament Curro Durbanville Chess Open Rapid 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-07-15	rnd 4	type Rapid	result 1	date 2023-07-15	rnd 5	type Rapid	result 1
		Opponent Dunn, A (Annika)				Opponent Zhu, Z (Zhaonan)

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	Shapiro ,H (Hannah)	5	2	-85	2	1	0	3	1	-141.7	0	0	0
1	Shapiro ,H (Hannah)	5	1295.1	1210.1	2	1276.3	1295.1	3	1237.3	1153.4	0	0	0
2	Calitz ,L (Lydia)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Calitz ,L (Lydia)	3	1242.6	1101	3	1249.7	1101	0	0	0	0	0	0
3	Louw ,L (Lukas)	3	1	-141.7	1	0	-425	2	1	0	0	0	0
3	Louw ,L (Lukas)	3	1464.4	1322.7	1	1572.2	1039.4	2	1364.8	1464.4	0	0	0
4	Iuzhakova ,H (Heidi)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Iuzhakova ,H (Heidi)	2	1405.2	980.2	2	1409.2	980.2	0	0	0	0	0	0
5	Sybokwe ,O (Ovayo)	2	2	425	2	2	425	0	0	0	0	0	0
5	Sybokwe ,O (Ovayo)	2	1184.9	1609.9	2	1181.6	1609.9	0	0	0	0	0	0
6	Mahlangu ,N (Nonhlanhla)	2	1	0	2	1	0	0	0	0	0	0	0
6	Mahlangu ,N (Nonhlanhla)	2	1169.2	1169.2	2	1162.2	1169.2	0	0	0	0	0	0
7	Walters ,N (Nicola)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Walters ,N (Nicola)	2	1425.4	1000.4	2	1286.5	1000.4	0	0	0	0	0	0
8	Janse Van Rensburg ,I (Iwan)	2	2	425	0	0	0	2	2	425	0	0	0
8	Janse Van Rensburg ,I (Iwan)	2	1095.3	1520.3	0	0	0	2	1075.4	1520.3	0	0	0
9	James ,A (Ayden)	2	0	-425	0	0	0	2	0	-425	0	0	0
9	James ,A (Ayden)	2	1325.2	900.2	0	0	0	2	1359.9	900.2	0	0	0
10	Beyers ,S (Skylar)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Beyers ,S (Skylar)	1	1288.4	863.4	1	1252.3	863.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Booysen, G (Giavanna)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms