Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ndayi, S (Siyolise)

Chess SA id

1100309271

FIDE id

Date of birth

2010-09-02 (U18)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-11-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1303.6	1317	1200	1200
Raw rating	1303.6	1317	1200	1200
Weighted rating	1240.6	1246.7	1200	1200
Weighted performance	0	0	0	0
Floor	803.6	817	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	143.1	140.4	165.8	165.8
Highest rating	1303.6 2025-11-30	1317 2025-11-30	1203.7 2024-08-01	1200 2024-09-01
Highest raw rating	1303.6 2025-11-30	1317 2025-11-30	1200 2024-09-01	1200 2024-09-01
Highest weighted rating	1233.9 2025-11-30	1239.2 2025-11-30	1200 2024-09-01	1200 2024-09-01
Highest weighted performance	1200 2024-12-01	1200 2024-09-01	1203.7 2024-08-01	1200 2024-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1303.6	1317	1200	1200
Analysis
Rating	1303.6	1317	1200	1200
Raw rating	1303.6	1317	1200	1200
Weighted rating	1240.6	1246.7	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	803.6	817	700	700
Max/Min rating change allowed	143.1	140.4	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	1303.6	1317	1200	1200
New weighted rating	1247	1253.9	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1303.6	1317	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1303.6	1317	1200	1200
New K-factor	36	36	36	36
New floor	803.6	817	700	700

Item	Main	Standard	Rapid
	0	0	0
	14	14	0
	4	0	4
	0	0	0
	0	0	0
	0	0	0
History	18	14	4

Games since
	Main 18	Standard 14		Rapid 4		Blitz 0
Gender	Male
Age group	U16
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
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	8.5	60.71	91.1	1364.7	1455.8
Standard	14	8.5	60.71	91.1	1364.7	1455.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	18	10.5	58.33	70.8	1328.1	1399
Standard	14	8.5	60.71	91.1	1364.7	1455.8
Rapid	4	2	50	0	1200	1200
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1303.6	1317	1200	1200
2025-11-30	1303.6	1317	1200	1200
2025-11-01	1284.2	1297.5	1200	1200
2025-09-30	1284.2	1297.5	1200	1200
2025-09-01	1284.2	1297.5	1200	1200
2025-08-01	1237.3	1243.9	1200	1200
2025-07-01	1237.3	1243.9	1200	1200
2025-06-01	1237.3	1243.9	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
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	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

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	Fide in the Bay 2025 (B)	2025-11-29	2025-11-29	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
2	UCC Rapid Open Oct 2025 (A)	2025-10-25	2025-10-25	Rapid	Nelson Mandela Bay (ENM)	6	0	0	No	Analysis
3	FIDE in the Bay 2025 (B)	2025-08-30	2025-08-30	Standard	Nelson Mandela Bay (ENM)	5	4	3	Yes	Analysis
4	NMBCU Open 2025 (B)	2025-05-23	2025-05-24	Standard	Nelson Mandela Bay (ENM)	6	5	2.5	Yes	Analysis
5	DSRAC Trials (Nelson Mandela Metro)	2024-08-10	2024-08-10	Rapid	Nelson Mandela Bay (ENM)	5	4	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament DSRAC Trials				Tournament NMBCU Open 2025
		date 2024-08-10	rnd 4	type Rapid	result 1	date 2025-05-24	rnd 3	type Standard	result 0.5
		Opponent Bayeni, L (Luvolwethu)				Opponent Brown, N (Nathan)
2	3	Tournament FIDE in the Bay 2025				Tournament FIDE in the Bay 2025
		date 2025-08-30	rnd 3	type Standard	result 1	date 2025-08-30	rnd 5	type Standard	result 1
		Opponent Janse van Rensburg, Z (Zander)				Opponent Bownes, F (Fabian)
3	1	Tournament NMBCU Open 2025				Tournament NMBCU Open 2025
		date 2025-05-24	rnd 6	type Standard	result 1	date 2025-05-24	rnd 6	type Standard	result 1
		Opponent Smile, O (Osakhe)				Opponent Smile, O (Osakhe)

#	Games	Start				End
1	3	Tournament FIDE in the Bay 2025				Tournament FIDE in the Bay 2025
		date 2025-08-30	rnd 3	type Standard	result 1	date 2025-08-30	rnd 5	type Standard	result 1
		Opponent Janse van Rensburg, Z (Zander)				Opponent Bownes, F (Fabian)
2	2	Tournament NMBCU Open 2025				Tournament NMBCU Open 2025
		date 2025-05-23	rnd 1	type Standard	result 1	date 2025-05-24	rnd 3	type Standard	result 0.5
		Opponent Arries, J (Jayde)				Opponent Brown, N (Nathan)
3	1	Tournament NMBCU Open 2025				Tournament NMBCU Open 2025
		date 2025-05-24	rnd 6	type Standard	result 1	date 2025-05-24	rnd 6	type Standard	result 1
		Opponent Smile, O (Osakhe)				Opponent Smile, O (Osakhe)

#	Games	Start				End
1	2	Tournament DSRAC Trials				Tournament DSRAC Trials
		date 2024-08-10	rnd 4	type Rapid	result 1	date 2024-08-10	rnd 5	type Rapid	result 1
		Opponent Bayeni, L (Luvolwethu)				Opponent Devereauk, T (Tyler)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament FIDE in the Bay 2025				Tournament FIDE in the Bay 2025
		date 2025-08-30	rnd 3	type Standard	result 1	date 2025-08-30	rnd 5	type Standard	result 1
		Opponent Janse van Rensburg, Z (Zander)				Opponent Bownes, F (Fabian)
2	3	Tournament DSRAC Trials				Tournament NMBCU Open 2025
		date 2024-08-10	rnd 4	type Rapid	result 1	date 2025-05-23	rnd 1	type Standard	result 1
		Opponent Bayeni, L (Luvolwethu)				Opponent Arries, J (Jayde)
3	1	Tournament NMBCU Open 2025				Tournament NMBCU Open 2025
		date 2025-05-24	rnd 6	type Standard	result 1	date 2025-05-24	rnd 6	type Standard	result 1
		Opponent Smile, O (Osakhe)				Opponent Smile, O (Osakhe)

#	Games	Start				End
1	3	Tournament FIDE in the Bay 2025				Tournament FIDE in the Bay 2025
		date 2025-08-30	rnd 3	type Standard	result 1	date 2025-08-30	rnd 5	type Standard	result 1
		Opponent Janse van Rensburg, Z (Zander)				Opponent Bownes, F (Fabian)
2	1	Tournament NMBCU Open 2025				Tournament NMBCU Open 2025
		date 2025-05-24	rnd 6	type Standard	result 1	date 2025-05-24	rnd 6	type Standard	result 1
		Opponent Smile, O (Osakhe)				Opponent Smile, O (Osakhe)
3	1	Tournament NMBCU Open 2025				Tournament NMBCU Open 2025
		date 2025-05-23	rnd 1	type Standard	result 1	date 2025-05-23	rnd 1	type Standard	result 1
		Opponent Arries, J (Jayde)				Opponent Arries, J (Jayde)

#	Games	Start				End
1	2	Tournament DSRAC Trials				Tournament DSRAC Trials
		date 2024-08-10	rnd 4	type Rapid	result 1	date 2024-08-10	rnd 5	type Rapid	result 1
		Opponent Bayeni, L (Luvolwethu)				Opponent Devereauk, T (Tyler)

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	Gcwabe ,A (Aventhandwa)	1	1	425	1	1	425	0	0	0	0	0	0
1	Gcwabe ,A (Aventhandwa)	1	1202.5	1627.5	1	1196.8	1627.5	0	0	0	0	0	0
2	Norris ,N (Nathan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Norris ,N (Nathan)	1	1375.8	950.8	1	1370.4	950.8	0	0	0	0	0	0
3	Bownes ,F (Fabian)	1	1	425	1	1	425	0	0	0	0	0	0
3	Bownes ,F (Fabian)	1	1398.8	1823.8	1	1396	1823.8	0	0	0	0	0	0
4	Prinsloo ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Prinsloo ,L (Liam)	1	1411.6	986.6	1	1394.5	986.6	0	0	0	0	0	0
5	Janse van Rensburg ,Z (Zander)	1	1	425	1	1	425	0	0	0	0	0	0
5	Janse van Rensburg ,Z (Zander)	1	1199.8	1624.8	1	1199.7	1624.8	0	0	0	0	0	0
6	Mclachlan ,G (Geoffrey)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mclachlan ,G (Geoffrey)	1	1526.6	1101.6	1	1532.7	1101.6	0	0	0	0	0	0
7	Bester ,B (Brendan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Bester ,B (Brendan)	1	1219.2	1644.2	1	1182.4	1644.2	0	0	0	0	0	0
8	Arries ,J (Jayde)	1	1	425	1	1	425	0	0	0	0	0	0
8	Arries ,J (Jayde)	1	1438.5	1863.5	1	1435.2	1863.5	0	0	0	0	0	0
9	Brown ,N (Nathan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Brown ,N (Nathan)	1	1459.5	1459.5	1	1470.4	1459.5	0	0	0	0	0	0
10	Grobler ,M (Mia)	1	1	425	1	1	425	0	0	0	0	0	0
10	Grobler ,M (Mia)	1	1365.7	1790.7	1	1369.8	1790.7	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

Ndayi, S (Siyolise)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms