Chess South Africa Ratings Database

PLAYER PAGE

Personal

Roos, LJ (Lucas Johan Luan)

Chess SA id

199032532

FIDE id

Date of birth

1999-06-29 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-01-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1804.4	1803.6	1820	1812.6
Raw rating	1804.4	1803.6	1820	1812.6
Weighted rating	1804.3	1803.5	1820	1812.6
Weighted performance	0	0	0	0
Floor	1320	1320	1320	1320
K-factor	24	24	24	24
Min/Max rating change allowed	70.1	70.2	68.5	69.3
Highest rating	1820 2018-01-01	1820 2018-01-01	1820 2019-05-01	1820 2018-01-01
Highest raw rating	1820 2018-01-01	1820 2018-01-01	1820 2024-02-01	1820 2018-01-01
Highest weighted rating	1820 2018-01-01	1820 2018-01-01	1820 2019-05-01	1820 2018-01-01
Highest weighted performance	1655 2018-01-01	1663.4 2018-01-01	1200 2024-02-01	1774.7 2018-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1804.4	1803.6	1820	1812.6
Analysis
Rating	1804.4	1803.6	1820	1812.6
Raw rating	1804.4	1803.6	1820	1812.6
Weighted rating	1804.3	1803.5	1820
Weighted performance	0	0	0
K-factor	24	24	24	24
Floor	1320	1320	1320	1320
Max/Min rating change allowed	70.1	70.2	68.5	69.3
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	1804.4	1803.6	1820	1812.6
New weighted rating	1804.4	1803.6	1820	1812.6
New weighted performance	0	0	0	0
Temp new rating	1804.4	1803.6	1820	1812.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1804.4	1803.6	1820	1812.6
New K-factor	24	24	24	24
New floor	1320	1320	1320	1320

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	551	544	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	15	75	212.5	1491.7	1704.2
Standard	13	10	76.92	228.8	1439.3	1668.1
Rapid	0	0	0	0	0	0
Blitz	7	5	71.43	182.1	1589	1771.1

Date	Main	Standard	Rapid	Blitz
2025-09-30	1804.4	1803.6	1820	1812.6
2025-09-01	1804.4	1803.6	1820	1812.6
2025-08-01	1804.4	1803.6	1820	1812.6
2025-07-01	1804.4	1803.6	1820	1812.6
2025-06-01	1804.4	1803.6	1820	1812.6
2025-05-01	1804.4	1803.6	1820	1812.6
2025-04-01	1804.4	1803.6	1820	1812.6
2025-03-01	1804.4	1803.6	1820	1812.6
2025-02-01	1804.4	1803.6	1820	1812.6
2025-01-01	1804.4	1803.6	1820	1812.6
2024-12-01	1804.4	1803.6	1820	1812.6
2024-11-01	1804.4	1803.6	1820	1812.6
2024-10-01	1804.4	1803.6	1820	1812.6
2024-09-01	1804.4	1803.6	1820	1812.6
2024-08-01	1804.4	1803.6	1820	1812.6
2024-07-01	1804.4	1803.6	1820	1812.6
2024-06-01	1804.4	1803.6	1820	1812.6
2024-08-01	1804.4	1803.6	1820	1812.6
2024-04-01	1804.4	1803.6	1820	1812.6
2024-03-01	1804.4	1803.6	1820	1812.6
2024-02-01	1804.4	1803.6	1820	1812.6
2024-01-01	1804.4	1803.6	1820	1812.6
2023-12-01	1796.6	1797.9	1820	1812.6
2023-11-01	1796.6	1797.9	1820	1812.6

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	South African Inter Regional Championships 2017	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	6	3.5	Yes	Analysis
2	South African Junior Blitz 2017 Championships (A)	2018-01-07	2018-01-07	Blitz	4 Knights (4K)	7	7	5	Yes	Analysis
3	South African Junior Team Championships 2017 (U20A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	6.5	Yes	Analysis

#	Games	Start				End
1	8	Tournament South African Junior Blitz 2017 Championships				Tournament South African Inter Regional Championships 2017
		date 2018-01-07	rnd 4	type Blitz	result 1	date 2018-01-10	rnd 3	type Standard	result 1
		Opponent Du Plessis, AC (Anika)				Opponent Kleinsmidt, CC (Cherwin)
2	7	Tournament South African Junior Team Championships 2017				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-07	rnd 1	type Blitz	result 1
		Opponent Steyn, A (Alicia)				Opponent Van Zyl, A (Albrecht)
3	3	Tournament South African Inter Regional Championships 2017				Tournament Commonwealth Chess Championship 2016
		date 2018-01-11	rnd 5	type Standard	result 1	date 2019-08-01	rnd 1	type Standard	result 1
		Opponent Nyathi, M (Musa)				Opponent Basnayaka Muthusandi Sithumya

#	Games	Start				End
1	10	Tournament South African Junior Team Championships 2017				Tournament South African Inter Regional Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-10	rnd 3	type Standard	result 1
		Opponent Steyn, A (Alicia)				Opponent Kleinsmidt, CC (Cherwin)
2	3	Tournament South African Inter Regional Championships 2017				Tournament Commonwealth Chess Championship 2016
		date 2018-01-11	rnd 5	type Standard	result 1	date 2019-08-01	rnd 1	type Standard	result 1
		Opponent Nyathi, M (Musa)				Opponent Basnayaka Muthusandi Sithumya
3	2	Tournament Commonwealth Chess Championship 2016				Tournament Commonwealth Chess Championship 2016
		date 2019-08-01	rnd 8	type Standard	result 1	date 2019-08-01	rnd 9	type Standard	result 1
		Opponent Devanshi Rathi				Opponent Abhimanyu Iraja

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 4	type Blitz	result 1	date 2018-01-07	rnd 7	type Blitz	result 1
		Opponent Du Plessis, AC (Anika)				Opponent Latreche, K (Khadidja)
2	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 1	type Blitz	result 1	date 2018-01-07	rnd 1	type Blitz	result 1
		Opponent Van Zyl, A (Albrecht)				Opponent Van Zyl, A (Albrecht)

#	Games	Start				End
1	7	Tournament South African Junior Team Championships 2017				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-07	rnd 1	type Blitz	result 1
		Opponent Steyn, A (Alicia)				Opponent Van Zyl, A (Albrecht)
2	4	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 4	type Blitz	result 1	date 2018-01-07	rnd 7	type Blitz	result 1
		Opponent Du Plessis, AC (Anika)				Opponent Latreche, K (Khadidja)
3	2	Tournament Commonwealth Chess Championship 2016				Tournament Commonwealth Chess Championship 2016
		date 2019-08-01	rnd 8	type Standard	result 1	date 2019-08-01	rnd 9	type Standard	result 1
		Opponent Devanshi Rathi				Opponent Abhimanyu Iraja

#	Games	Start				End
1	6	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-07	rnd 6	type Standard	result 1
		Opponent Steyn, A (Alicia)				Opponent Jordaan, C (Chandre)
2	2	Tournament Commonwealth Chess Championship 2016				Tournament Commonwealth Chess Championship 2016
		date 2019-08-01	rnd 8	type Standard	result 1	date 2019-08-01	rnd 9	type Standard	result 1
		Opponent Devanshi Rathi				Opponent Abhimanyu Iraja
3	1	Tournament Commonwealth Chess Championship 2016				Tournament Commonwealth Chess Championship 2016
		date 2019-08-01	rnd 5	type Standard	result 1	date 2019-08-01	rnd 5	type Standard	result 1
		Opponent Perera Thilina				Opponent Perera Thilina

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 4	type Blitz	result 1	date 2018-01-07	rnd 7	type Blitz	result 1
		Opponent Du Plessis, AC (Anika)				Opponent Latreche, K (Khadidja)
2	1	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 1	type Blitz	result 1	date 2018-01-07	rnd 1	type Blitz	result 1
		Opponent Van Zyl, A (Albrecht)				Opponent Van Zyl, A (Albrecht)

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	Nhamuave ,E (Eleazar)	2	1	0	1	0	-425	0	0	0	1	1	425
1	Nhamuave ,E (Eleazar)	2	1666.7	1666.7	1	1666.7	1241.7	0	0	0	1	1666.7	2091.7
2	Kubheka ,L (Lucky)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Kubheka ,L (Lucky)	1	1458.7	1458.7	1	1458.7	1458.7	0	0	0	0	0	0
3	Nkwe ,O (Omogolo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Nkwe ,O (Omogolo)	1	1630.7	1630.7	1	1630.7	1630.7	0	0	0	0	0	0
4	Mbhele ,P (Philani)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mbhele ,P (Philani)	1	1117.4	1542.4	1	1117.4	1542.4	0	0	0	0	0	0
5	Kleinsmidt ,CC (Cherwin Chanson)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kleinsmidt ,CC (Cherwin Chanson)	1	1869.8	2294.8	1	1869.8	2294.8	0	0	0	0	0	0
6	Conradie ,AS (Andre Stephanus)	1	1	425	1	1	425	0	0	0	0	0	0
6	Conradie ,AS (Andre Stephanus)	1	1879.2	2304.2	1	1879.2	2304.2	0	0	0	0	0	0
7	Nyathi ,M (Musa)	1	1	425	1	1	425	0	0	0	0	0	0
7	Nyathi ,M (Musa)	1	1597.5	2022.5	1	1597.5	2022.5	0	0	0	0	0	0
8	Jordaan ,C (Chandre)	1	1	425	1	1	425	0	0	0	0	0	0
8	Jordaan ,C (Chandre)	1	893	1318	1	893	1318	0	0	0	0	0	0
9	Acar ,CG (Cameron Gavin)	1	1	425	1	1	425	0	0	0	0	0	0
9	Acar ,CG (Cameron Gavin)	1	1339.3	1764.3	1	1339.3	1764.3	0	0	0	0	0	0
10	Steyn ,A (Alicia)	1	1	425	1	1	425	0	0	0	0	0	0
10	Steyn ,A (Alicia)	1	1396	1821	1	1396	1821	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Roos, LJ (Lucas Johan Luan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms