Chess South Africa Ratings Database

PLAYER PAGE

Personal

Joubert, L (Liam)

Chess SA id

1100106743

FIDE id

Date of birth

2010-10-25 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1305

Item	Main	Standard	Rapid	Blitz
Rating	1379.7	1381.4	1090.5	1200
Raw rating	1347.3	1381.4	1082.9	1200
Weighted rating	1379.7	1373.9	1090.5	1200
Weighted performance	1219.6	1301.4	0	0
Floor	901.8	895.4	700	700
K-factor	32	36	36	36
Min/Max rating change allowed	134.4	128.1	195.9	165.8
Highest rating	1401.8 2025-05-05	1395.4 2025-04-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1401.8 2025-05-05	1395.4 2025-04-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1401.8 2024-09-01	1372.4 2025-09-30	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1366.4 2025-05-05	1353.3 2020-03-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.1	0	-0.6	0
New rating	1377.7	1381.4	1089.9	1200
Analysis
Rating	1379.7	1381.4	1090.5	1200
Raw rating	1347.3	1381.4	1082.9	1200
Weighted rating	1379.7	1373.9	1090.5
Weighted performance	1219.6	1301.4	0
K-factor	32	36	36	36
Floor	901.8	895.4	700	700
Max/Min rating change allowed	134.4	128.1	195.9	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	1347.3	1381.4	1082.9	1200
New weighted rating	1377.7	1375.2	1089.9	1200
New weighted performance	1212.2	1293.4	0	0
Temp new rating	1377.7	1381.4	1089.9	1200
Temp new rating +/-	-2.1	0	-0.6	0
Final new rating +/-	-2.1	0	-0.6	0
New rating	1377.7	1381.4	1089.9	1200
New K-factor	32	36	36	36
New floor	901.8	895.4	700	700

Item	Main	Standard	Rapid
	0	0	0
	30	24	6
	17	17	0
	0	0	0
	0	0	0
	0	0	0
History	123	103	20

Games since
	Main 47	Standard 41		Rapid 6		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2399		749		336
Male	1938		581		272
U16	373		123		43
U16 Male	279		86		31
Standard
	RSA		Province		Region
Overall	2304		638		300
Male	1867		492		239
U16	358		110		42
U16 Male	272		78		30
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-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	30	14.5	48.33	-14.2	1365.7	1351.5
Standard	24	12.5	52.08	17.7	1404.3	1422
Rapid	6	2	33.33	-141.7	1211.2	1069.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	123	63.5	51.63	13.8	1257.5	1271.3
Standard	103	56.5	54.85	41.3	1279.8	1321.1
Rapid	20	7	35	-127.5	1142.6	1015.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1347.3	1381.4	1082.9	1200
2025-09-30	1392.2	1381.4	1091.2	1200
2025-09-01	1401.8	1392.5	1091.2	1200
2025-08-01	1401.8	1392.5	1091.2	1200
2025-07-01	1401.8	1392.5	1091.2	1200
2025-06-01	1401.8	1392.5	1091.2	1200
2025-05-01	1401.8	1392.5	1091.2	1200
2025-04-01	1399.5	1395.4	1091.2	1200
2025-03-01	1391.2	1386.4	1091.2	1200
2025-02-01	1359.4	1347.7	1091.2	1200
2025-01-01	1355.7	1344.9	1091.2	1200
2024-12-01	1355.7	1344.9	1091.2	1200
2024-11-01	1355.7	1344.9	1091.2	1200
2024-10-01	1355.7	1344.9	1091.2	1200
2024-09-01	1367.1	1358.6	1091.2	1200
2024-08-01	1367.1	1358.6	1091.2	1200
2024-07-01	1367.1	1358.6	1091.2	1200
2024-09-01	1367.1	1358.6	1091.2	1200
2024-05-01	1367.1	1358.6	1091.2	1200
2024-04-01	1367.1	1358.6	1091.2	1200
2024-03-01	1382.3	1374.1	1091.2	1200
2024-02-01	1351.2	1333.4	1091.2	1200
2024-01-01	1351.2	1333.4	1091.2	1200
2023-12-01	1351.2	1333.4	1091.2	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	SACSSA Nationals 2025 (U15 Boys)	2025-10-18	2025-10-18	Rapid	Ekurhuleni (GE)	6	6	2	Yes	Analysis
2	Western Cape Schools - Top Schools 2025 (U15)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	2	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U15 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
4	CT Metro Schools Individual Closed 2025 (U15 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
5	District South Schools Chess Individual Trials 2025 (U15 Open)	2025-02-01	2025-02-02	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	SACSSA Nationals 2025 (U15 Boys)	2025-10-18	2025-10-18	Rapid	Ekurhuleni (GE)	6	6	2	Yes	Analysis
2	Western Cape Schools - Top Schools 2025 (U15)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	2	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U15 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
4	CT Metro Schools Individual Closed 2025 (U15 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
5	District South Schools Chess Individual Trials 2025 (U15 Open)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
6	Western Cape Top Schools Championship 2024 (U15 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	1.5	Yes	Analysis
7	Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
8	District South Schools Chess Individual Trials 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
9	2020 Metro Trials (U11 Boys)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
10	WP Schools South Chess 2020 (U11)	2020-01-31	2020-02-01	Standard	Cape Town (WCT)	6	5	4	Yes	Analysis
11	2020 Cape Of Good Hope Open (Open)	2020-02-21	2020-02-23	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
12	2019 South African Junior Team Championships (U10B)	2020-01-08	2020-01-08	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
13	2019 Western Cape Closed Chess Championships (D)	2019-09-21	2019-09-22	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
14	Curro Durbanville Chess Tournament 2019 (Premier)	2019-08-23	2019-08-24	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
15	2019 WP Youth Open (D)	2019-07-13	2019-07-13	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
16	Western Cape Schools Individuals 2019 (U9 Boys)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	3	Yes	Analysis
17	Steinitz Chess Festival 2019 (C)	2019-04-05	2019-04-07	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
18	Metro School Chess Closed Individual Trials 2019 (U7+U9 Boys)	2019-03-01	2019-03-02	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
19	2019 South District Schools Trials (U9)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
20	Cape of Good Hope Open 2019 (U10)	2019-01-25	2019-01-27	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
21	ACL Open 2018 (U10)	2018-12-07	2018-12-09	Rapid	Cape Town (WCT)	5	4	1	Yes	Analysis
22	ACL Chess Festival 2018 (U10)	2018-10-07	2018-10-07	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	9	Tournament 2019 Western Cape Closed Chess Championships				Tournament 2019 South African Junior Team Championships
		date 2019-09-22	rnd 4	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Sinzumusi, A (Ahmed)				Opponent Klopper, PA (Phillippus Arnoldus)
2	4	Tournament 2020 Cape Of Good Hope Open				Tournament 2020 Metro Trials
		date 2020-02-23	rnd 5	type Standard	result 1	date 2020-03-14	rnd 2	type Standard	result 1
		Opponent Rule, C (Calem)				Opponent Degueldre, J (Jean-Christian)
3	3	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 0.5	date 2025-09-07	rnd 6	type Standard	result 0.5
		Opponent Arendse, Q (Quinwinne)				Opponent Winster, K (Kaylum)

#	Games	Start				End
1	9	Tournament 2019 Western Cape Closed Chess Championships				Tournament 2019 South African Junior Team Championships
		date 2019-09-22	rnd 4	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Sinzumusi, A (Ahmed)				Opponent Klopper, PA (Phillippus Arnoldus)
2	4	Tournament 2020 Cape Of Good Hope Open				Tournament 2020 Metro Trials
		date 2020-02-23	rnd 5	type Standard	result 1	date 2020-03-14	rnd 2	type Standard	result 1
		Opponent Rule, C (Calem)				Opponent Degueldre, J (Jean-Christian)
3	3	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 0.5	date 2025-09-07	rnd 6	type Standard	result 0.5
		Opponent Arendse, Q (Quinwinne)				Opponent Winster, K (Kaylum)

#	Games	Start				End
1	2	Tournament Cape of Good Hope Open 2019				Tournament Cape of Good Hope Open 2019
		date 2019-01-26	rnd 3	type Rapid	result 1	date 2019-01-26	rnd 4	type Rapid	result 1
		Opponent Edwards, I (Isaiah)				Opponent Jacobs, T (Teleah)
2	2	Tournament ACL Chess Festival 2018				Tournament ACL Chess Festival 2018
		date 2018-10-07	rnd 3	type Rapid	result 1	date 2018-10-07	rnd 4	type Rapid	result 1
		Opponent Mlahleni, O (Okuhle)				Opponent Lewaks, A (Andrea)
3	1	Tournament ACL Open 2018				Tournament ACL Open 2018
		date 2018-12-09	rnd 5	type Rapid	result 1	date 2018-12-09	rnd 5	type Rapid	result 1
		Opponent Jordaan, Z (Zander)				Opponent Jordaan, Z (Zander)

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament 2019 Western Cape Closed Chess Championships				Tournament 2019 South African Junior Team Championships
		date 2019-09-22	rnd 4	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Sinzumusi, A (Ahmed)				Opponent Klopper, PA (Phillippus Arnoldus)
2	3	Tournament District South Schools Chess Individual 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 1	type Standard	result 1
		Opponent Owens, J (Joshua)				Opponent Enus Murudker, M (Mughammad Ameer)
3	3	Tournament WP Schools South Chess 2020				Tournament WP Schools South Chess 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-01	rnd 6	type Standard	result 1
		Opponent Kanugonda, KR (Kashwini Reddy)				Opponent Makhasi, A (Athule)

#	Games	Start				End
1	9	Tournament 2019 Western Cape Closed Chess Championships				Tournament 2019 South African Junior Team Championships
		date 2019-09-22	rnd 4	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Sinzumusi, A (Ahmed)				Opponent Klopper, PA (Phillippus Arnoldus)
2	3	Tournament District South Schools Chess Individual 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 1	type Standard	result 1
		Opponent Owens, J (Joshua)				Opponent Enus Murudker, M (Mughammad Ameer)
3	3	Tournament WP Schools South Chess 2020				Tournament WP Schools South Chess 2020
		date 2020-02-01	rnd 4	type Standard	result 1	date 2020-02-01	rnd 6	type Standard	result 1
		Opponent Kanugonda, KR (Kashwini Reddy)				Opponent Makhasi, A (Athule)

#	Games	Start				End
1	2	Tournament Cape of Good Hope Open 2019				Tournament Cape of Good Hope Open 2019
		date 2019-01-26	rnd 3	type Rapid	result 1	date 2019-01-26	rnd 4	type Rapid	result 1
		Opponent Edwards, I (Isaiah)				Opponent Jacobs, T (Teleah)
2	2	Tournament ACL Chess Festival 2018				Tournament ACL Chess Festival 2018
		date 2018-10-07	rnd 3	type Rapid	result 1	date 2018-10-07	rnd 4	type Rapid	result 1
		Opponent Mlahleni, O (Okuhle)				Opponent Lewaks, A (Andrea)
3	1	Tournament ACL Open 2018				Tournament ACL Open 2018
		date 2018-12-09	rnd 5	type Rapid	result 1	date 2018-12-09	rnd 5	type Rapid	result 1
		Opponent Jordaan, Z (Zander)				Opponent Jordaan, Z (Zander)

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	Khan ,M (Mohammed Zayan)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Khan ,M (Mohammed Zayan)	3	1262	1120.3	3	1261.8	1120.3	0	0	0	0	0	0
2	Wilson ,EM (Emlyn Marissa)	2	2	425	2	2	425	0	0	0	0	0	0
2	Wilson ,EM (Emlyn Marissa)	2	1089.4	1514.4	2	1137.2	1514.4	0	0	0	0	0	0
3	Hibbins ,G (Graeme)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Hibbins ,G (Graeme)	2	1499.2	1286.7	2	1487.3	1286.7	0	0	0	0	0	0
4	Bosman ,L (Louis Willem)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Bosman ,L (Louis Willem)	2	1228.6	803.6	2	1168	803.6	0	0	0	0	0	0
5	Neethling ,S (Sean)	2	2	425	2	2	425	0	0	0	0	0	0
5	Neethling ,S (Sean)	2	1295.1	1720.1	2	1186.1	1720.1	0	0	0	0	0	0
6	Tsabola ,B (Bright)	2	1	0	2	1	0	0	0	0	0	0	0
6	Tsabola ,B (Bright)	2	1570.7	1570.7	2	1564.1	1570.7	0	0	0	0	0	0
7	Mapingana ,A (Alakhe)	2	0	-425	1	0	-425	1	0	-425	0	0	0
7	Mapingana ,A (Alakhe)	2	1217.9	792.9	1	1250.1	792.9	1	916.4	792.9	0	0	0
8	Nabela ,A (Alutshitshi)	2	1	0	1	1	425	1	0	-425	0	0	0
8	Nabela ,A (Alutshitshi)	2	1110.6	1110.6	1	1138.3	1535.6	1	830.8	685.6	0	0	0
9	Kruger ,A (Aiden)	2	0	-425	1	0	-425	1	0	-425	0	0	0
9	Kruger ,A (Aiden)	2	1387.6	962.6	1	1657.5	962.6	1	1186	962.6	0	0	0
10	Osborne ,H (Hannah)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
10	Osborne ,H (Hannah)	2	1126.2	913.8	1	1294	1126.2	1	1227.6	701.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Joubert, L (Liam)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms