Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lau, C (Callum)

Chess SA id

108091526

FIDE id

Date of birth

2008-04-20 (U18)

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

1530.9

Item	Main	Standard	Rapid	Blitz
Rating	1649.4	1648.5	1301.9	1200
Raw rating	1649.4	1648.5	1301.9	1200
Weighted rating	1552.5	1537.8	1295.3	1200
Weighted performance	1563.9	1547.7	0	0
Floor	1149.4	1148.5	801.9	700
K-factor	28	28	36	36
Min/Max rating change allowed	87.4	87.5	143.4	165.8
Highest rating	1649.4 2025-11-01	1648.5 2025-11-01	1301.9 2024-06-01	1200 2018-10-01
Highest raw rating	1649.4 2025-11-01	1648.5 2025-11-01	1301.9 2024-06-01	1200 2024-02-01
Highest weighted rating	1565.2 2025-03-01	1537.8 2025-11-01	1287.8 2025-08-01	1200 2018-10-01
Highest weighted performance	1576.2 2024-03-01	1574.8 2024-03-01	1214.4 2019-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1649.4	1648.5	1301.9	1200
Analysis
Rating	1649.4	1648.5	1301.9	1200
Raw rating	1649.4	1648.5	1301.9	1200
Weighted rating	1552.5	1537.8	1295.3
Weighted performance	1563.9	1547.7	0
K-factor	28	28	36	36
Floor	1149.4	1148.5	801.9	700
Max/Min rating change allowed	87.4	87.5	143.4	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	1649.4	1648.5	1301.9	1200
New weighted rating	1561	1547.4	1297.2	1200
New weighted performance	1562.2	1546	0	0
Temp new rating	1649.4	1648.5	1301.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1649.4	1648.5	1301.9	1200
New K-factor	28	28	36	36
New floor	1149.4	1148.5	801.9	700

Item	Main	Standard	Rapid
	0	0	0
	27	27	0
	43	36	7
	35	35	0
	45	41	4
	5	0	5
History	269	248	21

Games since
	Main 70	Standard 63		Rapid 7		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	452		137		95
Male	420		129		88
U18	59		15		11
U18 Male	56		15		11
Standard
	RSA		Province		Region
Overall	440		125		89
Male	406		116		82
U18	57		15		12
U18 Male	54		14		11
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	27	21.5	79.63	251.9	1396.9	1648.8
Standard	27	21.5	79.63	251.9	1396.9	1648.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	253	157	62.06	102.5	1332.5	1435
Standard	232	144.5	62.28	104.4	1330.6	1435
Rapid	21	12.5	59.52	81	1353.8	1434.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1649.4	1648.5	1301.9	1200
2025-09-30	1562.1	1548.7	1301.9	1200
2025-09-01	1562.1	1548.7	1301.9	1200
2025-08-01	1562.1	1548.7	1301.9	1200
2025-07-01	1562.1	1548.7	1301.9	1200
2025-06-01	1562.1	1548.7	1301.9	1200
2025-05-01	1562.1	1548.7	1301.9	1200
2025-04-01	1528.9	1510.3	1301.9	1200
2025-03-01	1529.3	1510.2	1301.9	1200
2025-02-01	1529.2	1509.8	1301.9	1200
2025-01-01	1513.9	1488	1301.9	1200
2024-12-01	1513.9	1488	1301.9	1200
2024-11-01	1542.3	1522.9	1301.9	1200
2024-10-01	1542.3	1522.9	1301.9	1200
2024-09-01	1517	1500.2	1301.9	1200
2024-08-01	1517	1500.2	1301.9	1200
2024-07-01	1517	1500.2	1301.9	1200
2024-09-01	1565.2	1558.1	1301.9	1200
2024-05-01	1551.2	1558.1	1212.3	1200
2024-04-01	1559.5	1558.1	1206.5	1200
2024-03-01	1521.6	1502.1	1206.5	1200
2024-02-01	1530.6	1507.5	1206.5	1200
2024-01-01	1530.6	1507.5	1206.5	1200
2023-12-01	1530.6	1507.5	1206.5	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	Cape Town Chess Federation Club League 2025 (B)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	2	2	Yes	Analysis
2	Cape Town Chess Federation Club League 2025 (C)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	1	1	Yes	Analysis
3	Paarl Boys' High School Chess Festival 2025 (B)	2025-10-17	2025-10-18	Standard	Cape Winelands (WCW)	6	6	6	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U17 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	5	Yes	Analysis
5	CT Metro Schools Individual Closed 2025 (U17 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
6	2025 District Central Schools Chess Individual Trials (U18 Open)	2025-01-31	2025-02-01	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Federation Club League 2025 (B)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	2	2	Yes	Analysis
2	Cape Town Chess Federation Club League 2025 (C)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	1	1	Yes	Analysis
3	Paarl Boys' High School Chess Festival 2025 (B)	2025-10-17	2025-10-18	Standard	Cape Winelands (WCW)	6	6	6	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U17 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	5	Yes	Analysis
5	CT Metro Schools Individual Closed 2025 (U17 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
6	2025 District Central Schools Chess Individual Trials (U18 Open)	2025-01-31	2025-02-01	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
7	Paarl Boys' High Chess Festival 2024 (Elite)	2024-10-04	2024-10-05	Standard	Cape Winelands (WCW)	6	4	1	Yes	Analysis
8	CT League 2024 (C)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	2	2	Yes	Analysis
9	CT League 2024 (C)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	1	0.5	Yes	Analysis
10	Cape Town Chess Federation Closed Chess Championships 2024 (U18)	2024-06-15	2024-06-16	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
11	Cape Town Junior League Finals 2024 (U18 Open A)	2024-05-18	2024-05-18	Rapid	Cape Town (WCT)	5	5	4.5	Yes	Analysis
12	Cape Town Junior League Qualifier 2024 (U18 Open)	2024-04-06	2024-04-06	Rapid	Cape Town (WCT)	6	2	0.5	Yes	Analysis
13	Western Cape HS Individuals Championship 2024 (U18 Boys)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	4.5	Yes	Analysis
14	Cape Town Open Chess Championship 2024 (Advanced)	2024-03-15	2024-03-17	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
15	Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
16	CT Metro Central District Schools Chess Individuals Trials 2024 (U18 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis
17	Paarl Boys High Chess Festival 2023 (Elite Division)	2023-10-13	2023-10-14	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
18	Western Cape Top Schools 2023 (U15 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	0	0	No	Analysis
19	WP Club League 2023 (D PlayOffs)	2023-09-02	2023-09-09	Standard	Cape Town (WCT)	5	2	2	Yes	Analysis
20	WP Club League 2023 (D1)	2023-07-29	2023-08-19	Standard	Cape Town (WCT)	6	3	1	Yes	Analysis
21	Western Cape HS Individuals 2023 (U15 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
22	Cape Town Open 2023 (Intermediate)	2023-03-25	2023-03-26	Standard	Cape Town (WCT)	6	6	6	Yes	Analysis
23	Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Boys)	2023-02-03	2023-03-04	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
24	Central District School Trials 2023 (U15 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
25	2022 Western Province Club League (D)	2022-08-27	2022-10-01	Standard	Cape Town (WCT)	7	6	4	Yes	Analysis
26	South African Open 2022 (B)	2022-07-09	2022-07-17	Standard	Cape Town (WCT)	11	11	4.5	Yes	Analysis
27	Stellenberg Chess Championship 2022 (Challengers 1)	2022-06-24	2022-06-25	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
28	Steinitz Open 2022 (B)	2022-05-20	2022-05-22	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
29	2022 Central District Individual Trials (U15)	2022-03-05	2022-03-05	Rapid	Cape Town (WCT)	5	4	2	Yes	Analysis
30	Western Province Open 2022 (Intermediate)	2022-02-26	2022-02-27	Standard	Cape Town (WCT)	6	6	5.5	Yes	Analysis
31	2022 Cape Of Good Hope Open (Intrmediate)	2022-01-29	2022-01-30	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
32	Western Cape Schools Championship 2021 (U13 Boys)	2021-10-02	2021-10-02	Rapid	Cape Town (WCT)	5	5	2.5	Yes	Analysis
33	2020 Western Province Open (Prestige)	2020-03-07	2020-03-08	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
34	2020 Metro Trials (U13 Boys)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
35	2020 Central District (U13)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	5	4	Yes	Analysis
36	2019 Wild Card Chess Championship (U12 Open)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
37	2019 South African Junior Team Championships (U12B)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
38	2019 Kraaifontein Open (Open)	2019-12-06	2019-12-08	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
39	2019 National Club Chess Championships (B)	2019-09-27	2019-09-29	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
40	2019 Western Cape Closed Chess Championships (C)	2019-09-21	2019-09-22	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
41	2019 Western Province League (B)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	2	1	Yes	Analysis
42	2019 Western Province League (C)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	4	1	Yes	Analysis
43	2019 WP Youth Open (A)	2019-07-13	2019-07-13	Standard	Cape Town (WCT)	5	4	0	Yes	Analysis
44	South African Schools Individuals Chess Championships 2019 (U13 Open)	2019-06-18	2019-06-21	Standard	Frances Baard (NCF)	7	7	3	Yes	Analysis
45	Stellenberg Youth Chess Championship 2019 (D)	2019-05-01	2019-05-01	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
46	Western Cape Schools Individuals 2019 (U11 Boys)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	5	Yes	Analysis
47	Steinitz Chess Festival 2019 (C)	2019-04-05	2019-04-07	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
48	Metro School Chess Closed Individual Trials 2019 (U11 Boys)	2019-03-01	2019-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
49	Welgemoed Chess Challenge 2019 (U12)	2019-02-23	2019-02-23	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
50	2019 Central District Schools Trials (U11)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis

#	Games	Start				End
1	12	Tournament Western Cape Schools Individual Championship 2025				Tournament Paarl Boys' High School Chess Festival 2025
		date 2025-04-26	rnd 4	type Standard	result 1	date 2025-10-18	rnd 6	type Standard	result 1
		Opponent Visagie, C (Christopher)				Opponent Kloppers, L (Lian)
2	9	Tournament Cape Town Open 2023				Tournament Western Cape HS Individuals 2023
		date 2023-03-25	rnd 1	type Standard	result 1	date 2023-04-01	rnd 3	type Standard	result 0.5
		Opponent Ntabeni, P (Phelisa)				Opponent Rosenberg, W (Wagheed)
3	8	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Chess Federation Closed Chess Championships 2024
		date 2024-04-06	rnd 6	type Rapid	result 0.5	date 2024-06-15	rnd 2	type Standard	result 0.5
		Opponent Maruma, K (Katlego)				Opponent Webster, M (Matthew)

#	Games	Start				End
1	9	Tournament Cape Town Open 2023				Tournament Western Cape HS Individuals 2023
		date 2023-03-25	rnd 1	type Standard	result 1	date 2023-04-01	rnd 3	type Standard	result 0.5
		Opponent Ntabeni, P (Phelisa)				Opponent Rosenberg, W (Wagheed)
2	8	Tournament 2022 Western Province Club League				Tournament Central District School Trials 2023
		date 2022-10-01	rnd 7	type Standard	result 1	date 2023-02-04	rnd 5	type Standard	result 1
		Opponent Gebu, S (Sisipho)				Opponent Winter, C (Cuthanzario)
3	6	Tournament Western Province Open 2022				Tournament Western Province Open 2022
		date 2022-02-26	rnd 1	type Standard	result 1	date 2022-02-27	rnd 6	type Standard	result 1
		Opponent Sihamba, S (Somila)				Opponent Waldeck, LJD (Lesley)

#	Games	Start				End
1	6	Tournament Cape Town Junior League Qualifier 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-04-06	rnd 6	type Rapid	result 0.5	date 2024-05-18	rnd 5	type Rapid	result 1
		Opponent Maruma, K (Katlego)				Opponent Craig, C (Connor)
2	3	Tournament Welgemoed Chess Challenge 2019				Tournament Western Cape Schools Championship 2021
		date 2019-02-23	rnd 4	type Rapid	result 1	date 2021-10-02	rnd 1	type Rapid	result 1
		Opponent Hloyi, A (Aphila)				Opponent Basson, Z (Zanco)
3	2	Tournament 2022 Central District Individual Trials				Tournament 2022 Central District Individual Trials
		date 2022-03-05	rnd 2	type Rapid	result 1	date 2022-03-05	rnd 3	type Rapid	result 1
		Opponent Martins, A (Azraa)				Opponent Lee, MJ (Muhammad)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Cape Town Open 2023				Tournament Western Cape HS Individuals 2023
		date 2023-03-25	rnd 1	type Standard	result 1	date 2023-04-01	rnd 2	type Standard	result 1
		Opponent Ntabeni, P (Phelisa)				Opponent Koegelenberg, L (Louw)
2	6	Tournament 2022 Western Province Club League				Tournament Central District School Trials 2023
		date 2022-10-01	rnd 7	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Gebu, S (Sisipho)				Opponent Gluckman, L (Levi)
3	5	Tournament Cape Town Junior League Finals 2024				Tournament Cape Town Chess Federation Closed Chess Championships 2024
		date 2024-05-18	rnd 2	type Rapid	result 1	date 2024-06-15	rnd 1	type Standard	result 1
		Opponent Adams, K (Kyron)				Opponent Fani, Z (Zimi)

#	Games	Start				End
1	8	Tournament Cape Town Open 2023				Tournament Western Cape HS Individuals 2023
		date 2023-03-25	rnd 1	type Standard	result 1	date 2023-04-01	rnd 2	type Standard	result 1
		Opponent Ntabeni, P (Phelisa)				Opponent Koegelenberg, L (Louw)
2	6	Tournament 2022 Western Province Club League				Tournament Central District School Trials 2023
		date 2022-10-01	rnd 7	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Gebu, S (Sisipho)				Opponent Gluckman, L (Levi)
3	5	Tournament 2019 Wild Card Chess Championship				Tournament 2020 Central District
		date 2020-01-11	rnd 6	type Standard	result 1	date 2020-02-08	rnd 4	type Standard	result 1
		Opponent Shuping, O (Onthatile)				Opponent Snijders, C (Carla)

#	Games	Start				End
1	4	Tournament Cape Town Junior League Finals 2024				Tournament Cape Town Junior League Finals 2024
		date 2024-05-18	rnd 2	type Rapid	result 1	date 2024-05-18	rnd 5	type Rapid	result 1
		Opponent Adams, K (Kyron)				Opponent Craig, C (Connor)
2	3	Tournament Welgemoed Chess Challenge 2019				Tournament Western Cape Schools Championship 2021
		date 2019-02-23	rnd 4	type Rapid	result 1	date 2021-10-02	rnd 1	type Rapid	result 1
		Opponent Hloyi, A (Aphila)				Opponent Basson, Z (Zanco)
3	2	Tournament 2022 Central District Individual Trials				Tournament 2022 Central District Individual Trials
		date 2022-03-05	rnd 2	type Rapid	result 1	date 2022-03-05	rnd 3	type Rapid	result 1
		Opponent Martins, A (Azraa)				Opponent Lee, MJ (Muhammad)

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	Rosenberg ,W (Wagheed)	4	0.5	-318.8	4	0.5	-318.8	0	0	0	0	0	0
1	Rosenberg ,W (Wagheed)	4	1548.5	1229.8	4	1532.9	1229.8	0	0	0	0	0	0
2	Mthi ,Y (Yamkela)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
2	Mthi ,Y (Yamkela)	4	1384.3	1171.8	4	1370.5	1171.8	0	0	0	0	0	0
3	Allie ,I (Ishmaeel)	4	0.5	-318.8	4	0.5	-318.8	0	0	0	0	0	0
3	Allie ,I (Ishmaeel)	4	1350	1031.2	4	1343.4	1031.2	0	0	0	0	0	0
4	Craig ,C (Connor)	4	4	425	3	3	425	1	1	425	0	0	0
4	Craig ,C (Connor)	4	1207.6	1632.6	3	1213.3	1632.6	1	1162.6	1632.6	0	0	0
5	Karsten ,JD (Jan Daniel)	4	0	-425	3	0	-425	1	0	-425	0	0	0
5	Karsten ,JD (Jan Daniel)	4	1468.1	1043.1	3	1284.4	1043.1	1	1385.5	1043.1	0	0	0
6	Armien ,E (Eesa)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
6	Armien ,E (Eesa)	3	1357.8	1216.2	3	1346.1	1216.2	0	0	0	0	0	0
7	Gebu ,S (Sisipho)	3	3	425	3	3	425	0	0	0	0	0	0
7	Gebu ,S (Sisipho)	3	1290.3	1715.3	3	1268.4	1715.3	0	0	0	0	0	0
8	Baruch ,L (Liam)	3	0	-425	3	0	-425	0	0	0	0	0	0
8	Baruch ,L (Liam)	3	1801	1376	3	1810.1	1376	0	0	0	0	0	0
9	Osborne ,R (Ryan Eugene)	3	3	425	3	3	425	0	0	0	0	0	0
9	Osborne ,R (Ryan Eugene)	3	1227.3	1652.3	3	1211.6	1652.3	0	0	0	0	0	0
10	Maruma ,K (Katlego)	3	2	141.7	2	1.5	212.5	1	0.5	0	0	0	0
10	Maruma ,K (Katlego)	3	1376.2	1517.9	2	1337.1	1588.7	1	1328.8	1376.2	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Lau, C (Callum)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms