Chess South Africa Ratings Database

PLAYER PAGE

Personal

Keyser, L (Luke)

Chess SA id

1110322571

FIDE id

Date of birth

2011-04-21 (U16)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1297.2	1261.1	1259	1200
Raw rating	1297.2	1261.1	1259	1200
Weighted rating	1218.9	1214	1204.6	1200
Weighted performance	0	0	0	0
Floor	797.2	761.1	759	700
K-factor	36	36	36	36
Min/Max rating change allowed	144.4	152	152.4	165.8
Highest rating	1297.2 2025-11-01	1261.1 2025-09-01	1259 2025-11-01	1200 2025-07-01
Highest raw rating	1297.2 2025-11-01	1261.1 2025-09-01	1259 2025-11-01	1200 2025-07-01
Highest weighted rating	1218.9 2025-11-01	1204.9 2025-09-01	1204.6 2025-11-01	1200 2025-07-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1297.2	1261.1	1259	1200
Analysis
Rating	1297.2	1261.1	1259	1200
Raw rating	1297.2	1261.1	1259	1200
Weighted rating	1218.9	1214	1204.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	797.2	761.1	759	700
Max/Min rating change allowed	144.4	152	152.4	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	1297.2	1261.1	1259	1200
New weighted rating	1225.8	1218.3	1209.1	1200
New weighted performance	0	0	0	0
Temp new rating	1297.2	1261.1	1259	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1297.2	1261.1	1259	1200
New K-factor	36	36	36	36
New floor	797.2	761.1	759	700

Item	Main	Standard	Rapid
	0	0	0
	14	5	9
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	14	5	9

Games since
	Main 14	Standard 5		Rapid 9		Blitz 0
Gender	Male
Age group	U16
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
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	14	8	57.14	60.7	1412.5	1473.3
Standard	5	2.5	50	0	1515.8	1515.8
Rapid	9	5.5	61.11	94.4	1355.2	1449.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	8	57.14	60.7	1412.5	1473.3
Standard	5	2.5	50	0	1515.8	1515.8
Rapid	9	5.5	61.11	94.4	1355.2	1449.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1297.2	1261.1	1259	1200
2025-09-30	1263.3	1261.1	1199.8	1200
2025-09-01	1263.3	1261.1	1199.8	1200
2025-08-01	1211.6	1200	1199.8	1200
2025-07-01	1211.6	1200	1198.9	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	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	EM Somcini Chess 2025 (U14 Boys)	2025-10-11	2025-10-11	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
2	Ekurhuleni Trials 2025 (B)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
3	Chess Power House Youth Day Rapid 2025 (B)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	4	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EM Somcini Chess 2025 (U14 Boys)	2025-10-11	2025-10-11	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
2	Ekurhuleni Trials 2025 (B)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
3	Chess Power House Youth Day Rapid 2025 (B)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament EM Somcini Chess 2025				Tournament EM Somcini Chess 2025
		date 2025-10-11	rnd 3	type Rapid	result 1	date 2025-10-11	rnd 5	type Rapid	result 1
		Opponent Machitje, M (Mojalefa)				Opponent Nolan, C (Christopher)
2	3	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Zulu, L (Luther Gugulethu)				Opponent Jacobs, L (Lillith)
3	2	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 2	type Rapid	result 1	date 2025-06-16	rnd 3	type Rapid	result 0.5
		Opponent Magida, A (Anga)				Opponent Booi, A (Andile)

#	Games	Start				End
1	3	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Zulu, L (Luther Gugulethu)				Opponent Jacobs, L (Lillith)

#	Games	Start				End
1	2	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 2	type Rapid	result 1	date 2025-06-16	rnd 3	type Rapid	result 0.5
		Opponent Magida, A (Anga)				Opponent Booi, A (Andile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Jacobs, L (Lillith)				Opponent Jacobs, L (Lillith)
2	1	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Zulu, L (Luther Gugulethu)				Opponent Zulu, L (Luther Gugulethu)
3	1	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 2	type Rapid	result 1	date 2025-06-16	rnd 2	type Rapid	result 1
		Opponent Magida, A (Anga)				Opponent Magida, A (Anga)

#	Games	Start				End
1	1	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Jacobs, L (Lillith)				Opponent Jacobs, L (Lillith)
2	1	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Zulu, L (Luther Gugulethu)				Opponent Zulu, L (Luther Gugulethu)

#	Games	Start				End
1	1	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 2	type Rapid	result 1	date 2025-06-16	rnd 2	type Rapid	result 1
		Opponent Magida, A (Anga)				Opponent Magida, A (Anga)

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	Zulu ,L (Luther Gugulethu)	1	1	425	1	1	425	0	0	0	0	0	0
1	Zulu ,L (Luther Gugulethu)	1	1436.6	1861.6	1	1440.6	1861.6	0	0	0	0	0	0
2	Van Der Walt ,T (Tjaart)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Van Der Walt ,T (Tjaart)	1	1469.2	1469.2	1	1459.3	1469.2	0	0	0	0	0	0
3	Jacobs ,L (Lillith)	1	1	425	1	1	425	0	0	0	0	0	0
3	Jacobs ,L (Lillith)	1	1632.5	2057.5	1	1625.8	2057.5	0	0	0	0	0	0
4	Nakeng ,T (Thomas)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Nakeng ,T (Thomas)	1	1493.4	1068.4	1	1447.6	1068.4	0	0	0	0	0	0
5	Wany ,J (Jobert)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Wany ,J (Jobert)	1	1547.2	1122.2	1	1519.8	1122.2	0	0	0	0	0	0
6	Nolan ,C (Christopher)	1	1	425	0	0	0	1	1	425	0	0	0
6	Nolan ,C (Christopher)	1	1331	1756	0	0	0	1	1220.5	1756	0	0	0
7	Machitje ,M (Mojalefa)	1	1	425	0	0	0	1	1	425	0	0	0
7	Machitje ,M (Mojalefa)	1	1215.4	1640.4	0	0	0	1	1200	1640.4	0	0	0
8	Magida ,A (Anga)	1	1	425	0	0	0	1	1	425	0	0	0
8	Magida ,A (Anga)	1	1325.2	1750.2	0	0	0	1	1220.2	1750.2	0	0	0
9	Ndlovu ,N (Nqobani)	1	1	425	0	0	0	1	1	425	0	0	0
9	Ndlovu ,N (Nqobani)	1	1201.2	1626.2	0	0	0	1	1200	1626.2	0	0	0
10	Tema ,O (Ofana)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Tema ,O (Ofana)	1	1683	1258	0	0	0	1	1261.9	1258	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Keyser, L (Luke)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms