Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kortjass, L (Lakheni)

Chess SA id

1030099000

FIDE id

Date of birth

2003-06-20 (Adult)

Gender

Male

Region

ZF Mgcawu (NZF)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-09-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1133.2	1128.3	1200	1200
Raw rating	1133.2	1128.3	1200	1200
Weighted rating	1133.2	1128.3	1200	1200
Weighted performance	229.1	229.1	0	0
Floor	706	710.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	182.4	183.6	165.8	165.8
Highest rating	1210.1 2018-03-01	1211.4 2018-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1206 2019-05-01	1210.4 2019-05-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1206 2018-02-01	1210.4 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1210.1 2018-03-01	1211.4 2018-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1133.2	1128.3	1200	1200
Analysis
Rating	1133.2	1128.3	1200	1200
Raw rating	1133.2	1128.3	1200	1200
Weighted rating	1133.2	1128.3	1200
Weighted performance	229.1	229.1	0
K-factor	36	36	36	36
Floor	706	710.4	700	700
Max/Min rating change allowed	182.4	183.6	165.8	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	1133.2	1128.3	1200	1200
New weighted rating	1133.2	1128.3	1200	1200
New weighted performance	228.7	228.7	0	0
Temp new rating	1133.2	1128.3	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1133.2	1128.3	1200	1200
New K-factor	36	36	36	36
New floor	706	710.4	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	39	39

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	ZF Mgcawu (NZF)
Province	Northern Cape (NC)
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	39	19	48.72	-10.9	1121	1110.1
Standard	39	19	48.72	-10.9	1121	1110.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1133.2	1128.3	1200	1200
2025-09-01	1133.2	1128.3	1200	1200
2025-08-01	1133.2	1128.3	1200	1200
2025-07-01	1133.2	1128.3	1200	1200
2025-06-01	1133.2	1128.3	1200	1200
2025-05-01	1133.2	1128.3	1200	1200
2025-04-01	1133.2	1128.3	1200	1200
2025-03-01	1133.2	1128.3	1200	1200
2025-02-01	1133.2	1128.3	1200	1200
2025-01-01	1133.2	1128.3	1200	1200
2024-12-01	1133.2	1128.3	1200	1200
2024-11-01	1133.2	1128.3	1200	1200
2024-10-01	1133.2	1128.3	1200	1200
2024-09-01	1133.2	1128.3	1200	1200
2024-08-01	1133.2	1128.3	1200	1200
2024-07-01	1133.2	1128.3	1200	1200
2024-06-01	1133.2	1128.3	1200	1200
2024-08-01	1133.2	1128.3	1200	1200
2024-04-01	1133.2	1128.3	1200	1200
2024-03-01	1133.2	1128.3	1200	1200
2024-02-01	1133.2	1128.3	1200	1200
2024-01-01	1133.2	1128.3	1200	1200
2023-12-01	1133.2	1128.3	1200	1200
2023-11-01	1133.2	1128.3	1200	1200

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	Northern Cape Closed Chess Championships 2019 (U8)	2019-08-30	2019-09-01	Standard	ZF Mgcawu (NZF)	5	5	2	Yes	Analysis
2	Northern Cape Trails 2019 (U18 Boys)	2019-06-13	2019-06-13	Standard	ZF Mgcawu (NZF)	5	5	1	Yes	Analysis
3	ZFM School Trials 2019 (U18)	2019-04-27	2019-04-27	Standard	ZF Mgcawu (NZF)	5	5	4	Yes	Analysis
4	ZFM Open Tournament 2019 (U16)	2019-03-02	2019-03-02	Standard	ZF Mgcawu (NZF)	5	5	4	Yes	Analysis
5	ZF MGCAWU Mandela Centenary Open Chess Tournament 2018 (U16)	2018-07-20	2018-07-21	Standard	ZF Mgcawu (NZF)	6	6	2	Yes	Analysis
6	Inter Regional 2018 (U16 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	4	1.5	Yes	Analysis
7	ZF Mgcawu Schools District Open Chess Tournament 2018 (U15 Boys)	2018-03-17	2018-03-17	Standard	ZF Mgcawu (NZF)	5	5	2	Yes	Analysis
8	ZF Mgcawu Inter-Region Open Trials (Qualifier 2)	2018-03-24	2018-03-24	Standard	ZF Mgcawu (NZF)	5	4	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament ZFM School Trials 2019				Tournament ZFM School Trials 2019
		date 2019-04-27	rnd 1	type Standard	result 1	date 2019-04-27	rnd 4	type Standard	result 1
		Opponent Bezuidenhoudt, V (Viano)				Opponent Ayton, V (Vahan)
2	4	Tournament ZFM Open Tournament 2019				Tournament ZFM Open Tournament 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-03-02	rnd 4	type Standard	result 1
		Opponent Mankayi, A (Aphelele)				Opponent Andries, L (Letichia)
3	3	Tournament ZF Mgcawu Inter-Region Open Trials				Tournament ZF Mgcawu Inter-Region Open Trials
		date 2018-03-24	rnd 3	type Standard	result 0.5	date 2018-03-24	rnd 5	type Standard	result 1
		Opponent Daniels, Z (Zhandrew)				Opponent Maier, Q (Quintin)

#	Games	Start				End
1	4	Tournament ZFM School Trials 2019				Tournament ZFM School Trials 2019
		date 2019-04-27	rnd 1	type Standard	result 1	date 2019-04-27	rnd 4	type Standard	result 1
		Opponent Bezuidenhoudt, V (Viano)				Opponent Ayton, V (Vahan)
2	4	Tournament ZFM Open Tournament 2019				Tournament ZFM Open Tournament 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-03-02	rnd 4	type Standard	result 1
		Opponent Mankayi, A (Aphelele)				Opponent Andries, L (Letichia)
3	3	Tournament ZF Mgcawu Inter-Region Open Trials				Tournament ZF Mgcawu Inter-Region Open Trials
		date 2018-03-24	rnd 3	type Standard	result 0.5	date 2018-03-24	rnd 5	type Standard	result 1
		Opponent Daniels, Z (Zhandrew)				Opponent Maier, Q (Quintin)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament ZFM School Trials 2019				Tournament ZFM School Trials 2019
		date 2019-04-27	rnd 1	type Standard	result 1	date 2019-04-27	rnd 4	type Standard	result 1
		Opponent Bezuidenhoudt, V (Viano)				Opponent Ayton, V (Vahan)
2	4	Tournament ZFM Open Tournament 2019				Tournament ZFM Open Tournament 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-03-02	rnd 4	type Standard	result 1
		Opponent Mankayi, A (Aphelele)				Opponent Andries, L (Letichia)
3	2	Tournament Northern Cape Closed Chess Championships 2019				Tournament Northern Cape Closed Chess Championships 2019
		date 2019-08-31	rnd 4	type Standard	result 1	date 2019-09-01	rnd 5	type Standard	result 1
		Opponent Biko, L (Libhongo)				Opponent De Wit, M (Mi-Jeanne)

#	Games	Start				End
1	4	Tournament ZFM School Trials 2019				Tournament ZFM School Trials 2019
		date 2019-04-27	rnd 1	type Standard	result 1	date 2019-04-27	rnd 4	type Standard	result 1
		Opponent Bezuidenhoudt, V (Viano)				Opponent Ayton, V (Vahan)
2	4	Tournament ZFM Open Tournament 2019				Tournament ZFM Open Tournament 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-03-02	rnd 4	type Standard	result 1
		Opponent Mankayi, A (Aphelele)				Opponent Andries, L (Letichia)
3	2	Tournament Northern Cape Closed Chess Championships 2019				Tournament Northern Cape Closed Chess Championships 2019
		date 2019-08-31	rnd 4	type Standard	result 1	date 2019-09-01	rnd 5	type Standard	result 1
		Opponent Biko, L (Libhongo)				Opponent De Wit, M (Mi-Jeanne)

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	Mienies ,R (Rewaldo)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Mienies ,R (Rewaldo)	2	1206.2	781.2	2	1211.2	781.2	0	0	0	0	0	0
2	Kolberg ,U (Unathi)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Kolberg ,U (Unathi)	2	1208.2	783.2	2	1210.6	783.2	0	0	0	0	0	0
3	Vermeulen ,W (Walter)	1	1	425	1	1	425	0	0	0	0	0	0
3	Vermeulen ,W (Walter)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Mtotywa ,N (Ntsakisi)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mtotywa ,N (Ntsakisi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Olyn ,M (Mescha)	1	1	425	1	1	425	0	0	0	0	0	0
5	Olyn ,M (Mescha)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Applegreen ,T (Thuto)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Applegreen ,T (Thuto)	1	1200.9	775.9	1	1200.4	775.9	0	0	0	0	0	0
7	Hanekom ,D (Driaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Hanekom ,D (Driaan)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Sibanda ,M (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
8	Sibanda ,M (Michael)	1	1071.5	1496.5	1	1051.6	1496.5	0	0	0	0	0	0
9	Hanekom ,W (Driaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Hanekom ,W (Driaan)	1	1178.1	753.1	1	1177.1	753.1	0	0	0	0	0	0
10	Bezuidenhoudt ,V (Viano)	1	1	425	1	1	425	0	0	0	0	0	0
10	Bezuidenhoudt ,V (Viano)	1	1177.1	1602.1	1	1171.2	1602.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Kortjass, L (Lakheni)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms