Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mboyisa, N (Ndumiso)

Chess SA id

198082030

FIDE id

Date of birth

1998-10-03 (Adult)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-11-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1674.7	1899.9	1162.4	997.2
Raw rating	1649.4	1899.9	1162.4	997.2
Weighted rating	1674.7	1899.9	907.5	997.2
Weighted performance	961.7	238.7	0	0
Floor	1180.3	1399.9	662.4	500
K-factor	28	24	40	40
Min/Max rating change allowed	87.4	61.2	174.9	221.4
Highest rating	1680.3 2025-11-01	1899.9 2024-02-01	1200 2024-02-01	1263 2018-07-01
Highest raw rating	1680.3 2025-11-01	1899.9 2024-02-01	1162.4 2025-11-30	997.2 2024-02-01
Highest weighted rating	1679.2 2025-11-01	1891.6 2025-08-01	883.6 2025-11-30	997.2 2024-11-01
Highest weighted performance	1658.4 2018-08-01	1695.1 2018-08-01	1200 2024-02-01	1263 2018-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.2	0	0	0
New rating	1672.5	1899.9	1162.4	997.2
Analysis
Rating	1674.7	1899.9	1162.4	997.2
Raw rating	1649.4	1899.9	1162.4	997.2
Weighted rating	1674.7	1899.9	907.5
Weighted performance	961.7	238.7	0
K-factor	28	24	40	40
Floor	1180.3	1399.9	662.4	500
Max/Min rating change allowed	87.4	61.2	174.9	221.4
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	1649.4	1899.9	1162.4	997.2
New weighted rating	1672.5	1899.9	930.3	997.2
New weighted performance	951.9	228.3	0	0
Temp new rating	1672.5	1899.9	1162.4	997.2
Temp new rating +/-	-2.2	0	0	0
Final new rating +/-	-2.2	0	0	0
New rating	1672.5	1899.9	1162.4	997.2
New K-factor	28	24	40	40
New floor	1180.3	1399.9	662.4	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	12	0	12	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	91	70	12	9

Games since
	Main 12	Standard 0		Rapid 12		Blitz 0
Gender	Male
Age group	Adult
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
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	12	10	83.33	283.3	1232.5	1515.8
Standard	0	0	0	0	0	0
Rapid	12	10	83.33	283.3	1232.5	1515.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	75	51	68	153	1403.7	1556.7
Standard	54	36	66.67	141.7	1468	1609.7
Rapid	12	10	83.33	283.3	1232.5	1515.8
Blitz	9	5	55.56	47.2	1245.9	1293.1

Date	Main	Standard	Rapid	Blitz
2026-01-01	1649.4	1899.9	1162.4	997.2
2025-11-30	1649.4	1899.9	1162.4	997.2
2025-11-01	1680.3	1899.9	1063.2	997.2
2025-09-30	1679.3	1899.9	840.8	997.2
2025-09-01	1679.3	1899.9	840.8	997.2
2025-08-01	1679.3	1899.9	840.8	997.2
2025-07-01	1679.3	1899.9	840.8	997.2
2025-06-01	1679.3	1899.9	840.8	997.2
2025-05-01	1679.3	1899.9	840.8	997.2
2025-04-01	1679.3	1899.9	840.8	997.2
2025-03-01	1679.3	1899.9	840.8	997.2
2025-02-01	1679.3	1899.9	840.8	997.2
2025-01-01	1679.3	1899.9	840.8	997.2
2024-12-01	1679.3	1899.9	840.8	997.2
2024-11-01	1679.3	1899.9	840.8	997.2
2024-10-01	1679.3	1899.9	840.8	997.2
2024-09-01	1679.3	1899.9	840.8	997.2
2024-11-01	1679.3	1899.9	840.8	997.2
2024-07-01	1679.3	1899.9	840.8	997.2
2024-06-01	1679.3	1899.9	840.8	997.2
2024-05-01	1679.3	1899.9	840.8	997.2
2024-04-01	1679.3	1899.9	840.8	997.2
2024-03-01	1679.3	1899.9	840.8	997.2
2024-02-01	1679.3	1899.9	840.8	997.2

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	Amajuba Mayoral Cup 2025 (Adults)	2025-11-15	2025-11-15	Rapid	Amajuba (KAN)	6	6	4	Yes	Analysis
2	Newcastle Mayoral Cup 2025 (Adult)	2025-10-18	2025-10-18	Rapid	Amajuba (KAN)	7	6	6	Yes	Analysis
3	JNW Club - Trinityhouse Randpark Ridge Open 2020 (A)	2020-02-22	2020-02-22	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
4	2018 KZN District Club Championship	2018-09-29	2018-09-30	Standard	Ethekwini (KED)	6	5	3	Yes	Analysis
5	2018 Amajuba District Selections	2018-09-15	2018-09-15	Standard	Amajuba (KAN)	5	5	4	Yes	Analysis
6	Ekurhuleni Open 2018 (A)	2018-08-18	2018-08-18	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
7	2018 USSA Championship (Open)	2018-07-02	2018-07-06	Standard	Gert Sibande (MGS)	9	8	5	Yes	Analysis
8	2018 USSA Championship (Blitz)	2018-07-04	2018-07-04	Blitz	Gert Sibande (MGS)	9	9	5	Yes	Analysis
9	Witfield Open 2018 (B)	2018-07-21	2018-07-21	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
10	The Outpost Chess Club Open 2018 (B)	2018-03-16	2018-03-17	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
11	JCC Wits 2018 (B)	2018-02-25	2018-02-25	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
12	Elspark Open 2018 (A)	2018-02-10	2018-02-10	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
13	Brakpan Open 2018 (A)	2018-02-24	2018-02-24	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	7	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020				Tournament Newcastle Mayoral Cup 2025
		date 2020-02-22	rnd 5	type Standard	result 1	date 2025-10-18	rnd 7	type Rapid	result 1
		Opponent Gardiner, N (Noa)				Opponent Khumalo, S (Siphosethu)
2	6	Tournament Witfield Open 2018				Tournament Ekurhuleni Open 2018
		date 2018-07-21	rnd 1	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Potgieter, A (Awie)				Opponent Mcluckie, A (Aiden)
3	4	Tournament JCC Wits 2018				Tournament The Outpost Chess Club Open 2018
		date 2018-02-25	rnd 4	type Standard	result 1	date 2018-03-16	rnd 2	type Standard	result 1
		Opponent Sabawu, E (Ernest)				Opponent Kungoane, K (Katlego)

#	Games	Start				End
1	6	Tournament Witfield Open 2018				Tournament Ekurhuleni Open 2018
		date 2018-07-21	rnd 1	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Potgieter, A (Awie)				Opponent Mcluckie, A (Aiden)
2	4	Tournament JCC Wits 2018				Tournament The Outpost Chess Club Open 2018
		date 2018-02-25	rnd 4	type Standard	result 1	date 2018-03-16	rnd 2	type Standard	result 1
		Opponent Sabawu, E (Ernest)				Opponent Kungoane, K (Katlego)
3	3	Tournament 2018 Amajuba District Selections				Tournament 2018 KZN District Club Championship
		date 2018-09-15	rnd 4	type Standard	result 1	date 2018-09-29	rnd 1	type Standard	result 1
		Opponent Mpungose, B (Bonisanani)				Opponent Dladla, TM (Thembalihle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-04	rnd 5	type Blitz	result 1	date 2018-07-04	rnd 6	type Blitz	result 1
		Opponent Mithi, D (Dumiso)				Opponent Gaothaelwe, MK (Mmusi)
2	2	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-04	rnd 1	type Blitz	result 1	date 2018-07-04	rnd 2	type Blitz	result 1
		Opponent Magwaza, N (Ntokozo)				Opponent Goge, T (Thobela)
3	1	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-04	rnd 8	type Blitz	result 1	date 2018-07-04	rnd 8	type Blitz	result 1
		Opponent Maphumulo, L (Lungelo)				Opponent Maphumulo, L (Lungelo)

#	Games	Start				End
1	6	Tournament Witfield Open 2018				Tournament Ekurhuleni Open 2018
		date 2018-07-21	rnd 1	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Potgieter, A (Awie)				Opponent Mcluckie, A (Aiden)
2	4	Tournament JCC Wits 2018				Tournament The Outpost Chess Club Open 2018
		date 2018-02-25	rnd 4	type Standard	result 1	date 2018-03-16	rnd 2	type Standard	result 1
		Opponent Sabawu, E (Ernest)				Opponent Kungoane, K (Katlego)
3	3	Tournament 2018 Amajuba District Selections				Tournament 2018 KZN District Club Championship
		date 2018-09-15	rnd 4	type Standard	result 1	date 2018-09-29	rnd 1	type Standard	result 1
		Opponent Mpungose, B (Bonisanani)				Opponent Dladla, TM (Thembalihle)

#	Games	Start				End
1	6	Tournament Witfield Open 2018				Tournament Ekurhuleni Open 2018
		date 2018-07-21	rnd 1	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Potgieter, A (Awie)				Opponent Mcluckie, A (Aiden)
2	4	Tournament JCC Wits 2018				Tournament The Outpost Chess Club Open 2018
		date 2018-02-25	rnd 4	type Standard	result 1	date 2018-03-16	rnd 2	type Standard	result 1
		Opponent Sabawu, E (Ernest)				Opponent Kungoane, K (Katlego)
3	3	Tournament 2018 Amajuba District Selections				Tournament 2018 KZN District Club Championship
		date 2018-09-15	rnd 4	type Standard	result 1	date 2018-09-29	rnd 1	type Standard	result 1
		Opponent Mpungose, B (Bonisanani)				Opponent Dladla, TM (Thembalihle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-04	rnd 5	type Blitz	result 1	date 2018-07-04	rnd 6	type Blitz	result 1
		Opponent Mithi, D (Dumiso)				Opponent Gaothaelwe, MK (Mmusi)
2	2	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-04	rnd 1	type Blitz	result 1	date 2018-07-04	rnd 2	type Blitz	result 1
		Opponent Magwaza, N (Ntokozo)				Opponent Goge, T (Thobela)
3	1	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-04	rnd 8	type Blitz	result 1	date 2018-07-04	rnd 8	type Blitz	result 1
		Opponent Maphumulo, L (Lungelo)				Opponent Maphumulo, L (Lungelo)

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	Van Jaarsveld ,A (Anje)	2	2	425	2	2	425	0	0	0	0	0	0
1	Van Jaarsveld ,A (Anje)	2	1211.3	1636.3	2	1214.4	1636.3	0	0	0	0	0	0
2	Aldum ,JP (Johannes Petrus)	2	2	425	2	2	425	0	0	0	0	0	0
2	Aldum ,JP (Johannes Petrus)	2	1425.2	1850.2	2	1423.7	1850.2	0	0	0	0	0	0
3	Mbedza ,R (Richard)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Mbedza ,R (Richard)	2	1918.9	1493.9	2	1919.2	1493.9	0	0	0	0	0	0
4	Thwala ,W (Wandile)	2	2	425	0	0	0	2	2	425	0	0	0
4	Thwala ,W (Wandile)	2	1206.8	1631.8	0	0	0	2	1199.5	1631.8	0	0	0
5	Khumalo ,S (Siphosethu)	2	1	0	0	0	0	2	1	0	0	0	0
5	Khumalo ,S (Siphosethu)	2	1240.3	1240.3	0	0	0	2	1269.2	1240.3	0	0	0
6	Ngwenya ,P (Phumlani)	2	1	0	0	0	0	2	1	0	0	0	0
6	Ngwenya ,P (Phumlani)	2	1286.4	1286.4	0	0	0	2	1309.2	1286.4	0	0	0
7	Kgohloane ,L (Lucky)	1	1	425	1	1	425	0	0	0	0	0	0
7	Kgohloane ,L (Lucky)	1	1383.3	1808.3	1	1383.3	1808.3	0	0	0	0	0	0
8	Mahlangu ,S (Stefan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Mahlangu ,S (Stefan)	1	1465	1465	1	1465	1465	0	0	0	0	0	0
9	Nkambule ,M (Muzi)	1	1	425	1	1	425	0	0	0	0	0	0
9	Nkambule ,M (Muzi)	1	1282	1707	1	1296.8	1707	0	0	0	0	0	0
10	Du Plessis ,JAK (Jan)	1	1	425	1	1	425	0	0	0	0	0	0
10	Du Plessis ,JAK (Jan)	1	1447	1872	1	1450.1	1872	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Mboyisa, N (Ndumiso)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms