Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nkosi, A (Aphiwe)

Chess SA id

1060154935

FIDE id

Date of birth

2006-11-05 (U20)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1258.6	1300	1120.4	1200
Raw rating	1258.6	1300	1120.4	1200
Weighted rating	1229.9	1269.9	1117.4	1200
Weighted performance	0	0	0	0
Floor	758.6	800	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	152.5	143.8	185.7	165.8
Highest rating	1258.6 2025-06-01	1494.4 2024-05-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1258.6 2025-06-01	1300 2025-06-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1221.7 2025-08-01	1261.2 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1209.3 2024-05-01	1494.4 2024-05-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1258.6	1300	1120.4	1200
Analysis
Rating	1258.6	1300	1120.4	1200
Raw rating	1258.6	1300	1120.4	1200
Weighted rating	1229.9	1269.9	1117.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	758.6	800	700	700
Max/Min rating change allowed	152.5	143.8	185.7	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	1258.6	1300	1120.4	1200
New weighted rating	1233.5	1273.8	1117.3	1200
New weighted performance	0	0	0	0
Temp new rating	1258.6	1300	1120.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1258.6	1300	1120.4	1200
New K-factor	36	36	36	36
New floor	758.6	800	700	700

Item	Main	Standard	Rapid
	0	0	0
	4	4	0
	14	5	9
	3	0	3
	0	0	0
	0	0	0
History	21	9	12

Games since
	Main 18	Standard 9		Rapid 9		Blitz 0
Gender	Male
Age group	U20
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	4	3	75	212.5	1284.2	1496.7
Standard	4	3	75	212.5	1284.2	1496.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	21	10	47.62	-20.2	1281.6	1261.4
Standard	9	7	77.78	236.1	1269.4	1505.5
Rapid	12	3	25	-212.5	1290.8	1078.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1258.6	1300	1120.4	1200
2025-09-01	1258.6	1300	1120.4	1200
2025-08-01	1258.6	1300	1120.4	1200
2025-07-01	1258.6	1300	1120.4	1200
2025-06-01	1258.6	1300	1120.4	1200
2025-05-01	1219.8	1261.6	1120.4	1200
2025-04-01	1219.8	1261.6	1120.4	1200
2025-03-01	1219.8	1261.6	1120.4	1200
2025-02-01	1219.8	1261.6	1120	1200
2025-01-01	1219.8	1261.6	1101	1200
2024-12-01	1219.8	1261.6	1101	1200
2024-11-01	1219.8	1261.6	1101	1200
2024-10-01	1219.8	1261.6	1101	1200
2024-09-01	1219.8	1261.6	1101	1200
2024-08-01	1219.8	1261.6	1101	1200
2024-07-01	1219.8	1261.6	1101	1200
2024-06-01	1219.8	1261.6	1101	1200
2024-08-01	1186.8	1200	1164	1200
2024-04-01	1186.8	1200	1164	1200
2024-03-01	1165	1200	1141.7	1200
2024-02-01	1165	1200	1141.7	1200
2024-01-01	1165	1200	1141.7	1200
2023-12-01	1165	1200	1141.7	1200
2023-11-01	1165	1200	1141.7	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	Benoni High School Cluster 2025 (U19)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Benoni High School Cluster 2025 (U19)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
2	Ekurhuleni North High School Individuals 2024 (U18 Boys)	2024-05-24	2024-05-24	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
3	Benoni Cluster High Schools Teams 2024 (U19)	2024-05-11	2024-05-11	Rapid	Ekurhuleni (GE)	5	4	0	Yes	Analysis
4	Benoni High Schools Cluster Individuals 2024 (U18 Boys)	2024-03-16	2024-03-16	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	Benoni Cluster High School League 2023 (U19 Reserves)	2023-05-06	2023-05-06	Rapid	Ekurhuleni (GE)	4	3	0	Yes	Analysis

#	Games	Start				End
1	4	Tournament Ekurhuleni North High School Individuals 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-05-24	rnd 2	type Standard	result 1	date 2024-05-24	rnd 5	type Standard	result 1
		Opponent Gincane, T (Tshepang)				Opponent Laeke, N (Nahom)
2	3	Tournament Benoni High School Cluster 2025				Tournament Benoni High School Cluster 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Sithole, V (Vulimpumelelo)				Opponent Schiel, C (Chad)
3	2	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Benoni High Schools Cluster Individuals 2024
		date 2024-03-16	rnd 4	type Rapid	result 1	date 2024-03-16	rnd 5	type Rapid	result 1
		Opponent Muyaka, R (Rowan)				Opponent Teare, R (Rohan)

#	Games	Start				End
1	4	Tournament Ekurhuleni North High School Individuals 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-05-24	rnd 2	type Standard	result 1	date 2024-05-24	rnd 5	type Standard	result 1
		Opponent Gincane, T (Tshepang)				Opponent Laeke, N (Nahom)
2	3	Tournament Benoni High School Cluster 2025				Tournament Benoni High School Cluster 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Sithole, V (Vulimpumelelo)				Opponent Schiel, C (Chad)

#	Games	Start				End
1	2	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Benoni High Schools Cluster Individuals 2024
		date 2024-03-16	rnd 4	type Rapid	result 1	date 2024-03-16	rnd 5	type Rapid	result 1
		Opponent Muyaka, R (Rowan)				Opponent Teare, R (Rohan)
2	1	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Benoni High Schools Cluster Individuals 2024
		date 2024-03-16	rnd 2	type Rapid	result 1	date 2024-03-16	rnd 2	type Rapid	result 1
		Opponent Bigmore, M (Michael)				Opponent Bigmore, M (Michael)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Ekurhuleni North High School Individuals 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-05-24	rnd 2	type Standard	result 1	date 2024-05-24	rnd 5	type Standard	result 1
		Opponent Gincane, T (Tshepang)				Opponent Laeke, N (Nahom)
2	3	Tournament Benoni High School Cluster 2025				Tournament Benoni High School Cluster 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Sithole, V (Vulimpumelelo)				Opponent Schiel, C (Chad)
3	2	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Benoni High Schools Cluster Individuals 2024
		date 2024-03-16	rnd 4	type Rapid	result 1	date 2024-03-16	rnd 5	type Rapid	result 1
		Opponent Muyaka, R (Rowan)				Opponent Teare, R (Rohan)

#	Games	Start				End
1	4	Tournament Ekurhuleni North High School Individuals 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-05-24	rnd 2	type Standard	result 1	date 2024-05-24	rnd 5	type Standard	result 1
		Opponent Gincane, T (Tshepang)				Opponent Laeke, N (Nahom)
2	3	Tournament Benoni High School Cluster 2025				Tournament Benoni High School Cluster 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Sithole, V (Vulimpumelelo)				Opponent Schiel, C (Chad)

#	Games	Start				End
1	2	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Benoni High Schools Cluster Individuals 2024
		date 2024-03-16	rnd 4	type Rapid	result 1	date 2024-03-16	rnd 5	type Rapid	result 1
		Opponent Muyaka, R (Rowan)				Opponent Teare, R (Rohan)
2	1	Tournament Benoni High Schools Cluster Individuals 2024				Tournament Benoni High Schools Cluster Individuals 2024
		date 2024-03-16	rnd 2	type Rapid	result 1	date 2024-03-16	rnd 2	type Rapid	result 1
		Opponent Bigmore, M (Michael)				Opponent Bigmore, M (Michael)

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	Laeke ,N (Nahom)	2	1	0	1	1	425	1	0	-425	0	0	0
1	Laeke ,N (Nahom)	2	1286.2	1286.2	1	1220.9	1711.2	1	1070.8	861.2	0	0	0
2	Du Plessis ,R (Riley)	1	1	425	1	1	425	0	0	0	0	0	0
2	Du Plessis ,R (Riley)	1	1226.2	1651.2	1	1231.6	1651.2	0	0	0	0	0	0
3	Lloyd ,D (Dylan)	1	1	425	1	1	425	0	0	0	0	0	0
3	Lloyd ,D (Dylan)	1	1245	1670	1	1235.6	1670	0	0	0	0	0	0
4	Sithole ,V (Vulimpumelelo)	1	1	425	1	1	425	0	0	0	0	0	0
4	Sithole ,V (Vulimpumelelo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Posthumus ,T (Tristann)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Posthumus ,T (Tristann)	1	1332.9	907.9	1	1327.7	907.9	0	0	0	0	0	0
6	Gincane ,T (Tshepang)	1	1	425	1	1	425	0	0	0	0	0	0
6	Gincane ,T (Tshepang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Bell ,S (Shaune)	1	1	425	1	1	425	0	0	0	0	0	0
7	Bell ,S (Shaune)	1	1238.1	1663.1	1	1210.8	1663.1	0	0	0	0	0	0
8	Schiel ,C (Chad)	1	1	425	1	1	425	0	0	0	0	0	0
8	Schiel ,C (Chad)	1	1365.8	1790.8	1	1365.5	1790.8	0	0	0	0	0	0
9	Hamilton-Hall ,R (Riley)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Hamilton-Hall ,R (Riley)	1	1330.1	905.1	1	1250.7	905.1	0	0	0	0	0	0
10	Bigmore ,M (Michael)	1	1	425	0	0	0	1	1	425	0	0	0
10	Bigmore ,M (Michael)	1	1119.6	1544.6	0	0	0	1	1129.2	1544.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Nkosi, A (Aphiwe)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms