Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ohlson, L (Liam)

Chess SA id

104066250

FIDE id

Date of birth

2004-08-13 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1362.4	1358.8	1159.3	1159.3
Raw rating	1362.4	1358.8	1159.3	1159.3
Weighted rating	1362.3	1358.8	1159.3	1159.3
Weighted performance	703.6	694.4	0	0
Floor	937	929.3	659.3	659.3
K-factor	32	32	40	40
Min/Max rating change allowed	131.6	132.2	175.7	175.7
Highest rating	1448.8 2019-03-01	1444.2 2019-03-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1437 2019-06-01	1429.3 2019-06-01	1159.3 2024-02-01	1159.3 2024-02-01
Highest weighted rating	1437 2021-09-01	1429.3 2021-09-01	1159.3 2024-11-01	1159.3 2024-11-01
Highest weighted performance	1448.8 2019-03-01	1444.2 2019-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1362.4	1358.8	1159.3	1159.3
Analysis
Rating	1362.4	1358.8	1159.3	1159.3
Raw rating	1362.4	1358.8	1159.3	1159.3
Weighted rating	1362.3	1358.8	1159.3
Weighted performance	703.6	694.4	0
K-factor	32	32	40	40
Floor	937	929.3	659.3	659.3
Max/Min rating change allowed	131.6	132.2	175.7	175.7
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	1362.4	1358.8	1159.3	1159.3
New weighted rating	1362.3	1358.8	1159.3	1159.3
New weighted performance	703.2	693.9	0	0
Temp new rating	1362.4	1358.8	1159.3	1159.3
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1362.4	1358.8	1159.3	1159.3
New K-factor	32	32	40	40
New floor	937	929.3	659.3	659.3

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	6	6	0	0
	0	0	0	0
	1	1	0	0
	0	0	0	0
	7	7	0	0
History	455	410	19	26

Games since
	Main 6	Standard 6		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	6	3	50	0	1235.9	1235.9
Standard	6	3	50	0	1235.9	1235.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	155	88	56.77	57.6	1260.5	1318
Standard	155	88	56.77	57.6	1260.5	1318
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1362.4	1358.8	1159.3	1159.3
2025-09-01	1362.4	1358.8	1159.3	1159.3
2025-08-01	1362.4	1358.8	1159.3	1159.3
2025-07-01	1362.3	1358.8	1159.3	1159.3
2025-06-01	1362.2	1358.7	1159.3	1159.3
2025-05-01	1362	1358.5	1159.3	1159.3
2025-04-01	1361.7	1358.2	1159.3	1159.3
2025-03-01	1359.9	1355.7	1159.3	1159.3
2025-02-01	1362.8	1359.3	1159.3	1159.3
2025-01-01	1362.8	1359.3	1159.3	1159.3
2024-12-01	1362.8	1359.3	1159.3	1159.3
2024-11-01	1362.8	1359.3	1159.3	1159.3
2024-10-01	1362.8	1359.3	1159.3	1159.3
2024-09-01	1362.8	1359.3	1159.3	1159.3
2024-08-01	1362.8	1359.3	1159.3	1159.3
2024-07-01	1362.8	1359.3	1159.3	1159.3
2024-06-01	1362.8	1359.3	1159.3	1159.3
2024-08-01	1362.8	1359.3	1159.3	1159.3
2024-04-01	1362.8	1359.3	1159.3	1159.3
2024-03-01	1362.8	1359.3	1159.3	1159.3
2024-02-01	1362.8	1359.3	1159.3	1159.3
2024-01-01	1362.8	1359.3	1159.3	1159.3
2023-12-01	1362.8	1359.3	1159.3	1159.3
2023-11-01	1362.8	1359.3	1159.3	1159.3

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 of Good Hope Open 2025 (Intermediate)	2025-02-22	2025-02-23	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	Cape of Good Hope Open 2025 (Intermediate)	2025-02-22	2025-02-23	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
2	WP Club League 2023 (A)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	1	1	Yes	Analysis
3	CWP Closed 2021 (C)	2021-09-11	2021-09-19	Standard	Cape Town (WCT)	7	7	1.5	Yes	Analysis
4	WP Schools South Chess 2020 (U18)	2020-01-31	2020-02-01	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
5	2020 Cape Of Good Hope Open (Prestige)	2020-02-21	2020-02-23	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
6	2019 Wild Card Chess Championship (U16 Open)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
7	2019 South African Junior Team Championships (U16B)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
8	2019 Western Province League (C)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	9	3	Yes	Analysis
9	Western Cape Schools Individuals 2019 (U15 Boys)	2019-05-04	2019-05-05	Standard	Eden (WEG)	6	4	2.5	Yes	Analysis
10	Metro School Chess Closed Individual Trials 2019 (U15 Boys)	2019-03-01	2019-03-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
11	2019 South District Schools Trials (U15)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	5	3.5	Yes	Analysis
12	Cape of Good Hope Open 2019 (Prestige)	2019-01-25	2019-01-28	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
13	ACL Open 2018 (A)	2018-12-07	2018-12-09	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
14	2018 Wild Card Chess Championships (U16 Open)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
15	South African Junior Team Championships 2018 (U16B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	7	Yes	Analysis
16	ACL Chess Festival 2018 (Open)	2018-10-05	2018-10-07	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
17	2018 Western Province League (C)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	6	2	Yes	Analysis
18	2018 Western Province League (D)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	1	1	Yes	Analysis
19	Grassy Park Open 2018 (A)	2018-06-29	2018-07-01	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
20	Western Cape Schools Individuals 2018 (U15 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
21	Crossroads Open Chess Championship 2018 (B)	2018-04-27	2018-04-29	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
22	2018 WP Schools Closed Trials (U15 Boys)	2018-03-09	2018-03-10	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
23	2018 Western Province Open (B)	2018-03-02	2018-03-04	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
24	2018 Steinitz Chess Festival (B)	2018-03-21	2018-03-25	Standard	Cape Town (WCT)	7	7	4	Yes	Analysis
25	WP District South 2018 (U15)	2018-02-01	2018-02-02	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
26	South African Junior Wildcard Championships 2017 (U14 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	6	3	Yes	Analysis
27	South African Junior Team Championships 2017 (U14A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis

#	Games	Start				End
1	8	Tournament 2019 South District Schools Trials				Tournament Metro School Chess Closed Individual Trials 2019
		date 2019-02-01	rnd 4	type Standard	result 1	date 2019-03-02	rnd 5	type Standard	result 1
		Opponent Shuman, E (Emily)				Opponent Parenzee, E (Ethan)
2	8	Tournament ACL Open 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-09	rnd 5	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Mqikela, K (Kamvalethu)				Opponent Mngomezulu, V (Vukolabesuthu)
3	6	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 1	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Tsolo, K (Kgomotso)				Opponent Ngcobo, T (Thandolwethu)

#	Games	Start				End
1	8	Tournament 2019 South District Schools Trials				Tournament Metro School Chess Closed Individual Trials 2019
		date 2019-02-01	rnd 4	type Standard	result 1	date 2019-03-02	rnd 5	type Standard	result 1
		Opponent Shuman, E (Emily)				Opponent Parenzee, E (Ethan)
2	8	Tournament ACL Open 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-09	rnd 5	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Mqikela, K (Kamvalethu)				Opponent Mngomezulu, V (Vukolabesuthu)
3	6	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 1	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Tsolo, K (Kgomotso)				Opponent Ngcobo, T (Thandolwethu)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament ACL Open 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-09	rnd 5	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Mqikela, K (Kamvalethu)				Opponent Mngomezulu, V (Vukolabesuthu)
2	6	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 1	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Tsolo, K (Kgomotso)				Opponent Ngcobo, T (Thandolwethu)
3	4	Tournament Western Cape Schools Individuals 2018				Tournament Western Cape Schools Individuals 2018
		date 2018-05-19	rnd 3	type Standard	result 1	date 2018-05-20	rnd 6	type Standard	result 1
		Opponent Van Wyk, L (Layron)				Opponent Rass, R (Reagan)

#	Games	Start				End
1	8	Tournament ACL Open 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-09	rnd 5	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Mqikela, K (Kamvalethu)				Opponent Mngomezulu, V (Vukolabesuthu)
2	6	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 1	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Tsolo, K (Kgomotso)				Opponent Ngcobo, T (Thandolwethu)
3	4	Tournament Western Cape Schools Individuals 2018				Tournament Western Cape Schools Individuals 2018
		date 2018-05-19	rnd 3	type Standard	result 1	date 2018-05-20	rnd 6	type Standard	result 1
		Opponent Van Wyk, L (Layron)				Opponent Rass, R (Reagan)

No games found.

#	Games	Start				End

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	Fisher ,L (Luke)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Fisher ,L (Luke)	3	1262.2	1120.5	3	1260.5	1120.5	0	0	0	0	0	0
2	Nonco ,L (Lwazi)	2	2	425	2	2	425	0	0	0	0	0	0
2	Nonco ,L (Lwazi)	2	1586.1	2011.1	2	1584.2	2011.1	0	0	0	0	0	0
3	Joubert ,N (Natasha)	2	2	425	2	2	425	0	0	0	0	0	0
3	Joubert ,N (Natasha)	2	1354.1	1779.1	2	1343.2	1779.1	0	0	0	0	0	0
4	Esau ,O (Omar Omar)	2	2	425	2	2	425	0	0	0	0	0	0
4	Esau ,O (Omar Omar)	2	1435.2	1860.2	2	1447.9	1860.2	0	0	0	0	0	0
5	Coetzee ,P (Philip)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Coetzee ,P (Philip)	2	1517.5	1305	2	1508.5	1305	0	0	0	0	0	0
6	Pasensie ,T (Terence)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Pasensie ,T (Terence)	2	1197.1	1409.6	2	1175.1	1409.6	0	0	0	0	0	0
7	Hlakula ,T (Thando)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Hlakula ,T (Thando)	2	1400.2	975.2	2	1403.2	975.2	0	0	0	0	0	0
8	Minnaar ,JP (Jaun Pierre)	2	1	0	2	1	0	0	0	0	0	0	0
8	Minnaar ,JP (Jaun Pierre)	2	1143	1143	2	1141.2	1143	0	0	0	0	0	0
9	Joubert ,K (Keegan)	2	1	0	2	1	0	0	0	0	0	0	0
9	Joubert ,K (Keegan)	2	1249	1249	2	1262.9	1249	0	0	0	0	0	0
10	Eaton ,DWL (Dante)	2	1	0	2	1	0	0	0	0	0	0	0
10	Eaton ,DWL (Dante)	2	1573.1	1573.1	2	1567.7	1573.1	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

Ohlson, 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