Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ferreira, A (Aidon)

Chess SA id

1090303378

FIDE id

Date of birth

2009-10-20 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1255.5	1267.7	1200	1200
Raw rating	1255.5	1267.7	1200	1200
Weighted rating	1211.2	1214.3	1200	1200
Weighted performance	1178.9	1176.7	0	0
Floor	755.5	767.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	153.2	150.6	165.8	165.8
Highest rating	1297.4 2024-07-01	1297.1 2024-07-01	1200 2024-06-01	1200 2024-06-01
Highest raw rating	1255.5 2025-08-01	1267.7 2025-08-01	1200 2024-06-01	1200 2024-06-01
Highest weighted rating	1239.4 2024-09-01	1246.8 2024-09-01	1200 2024-06-01	1200 2024-06-01
Highest weighted performance	1297.4 2024-07-01	1297.1 2024-07-01	1200 2024-06-01	1200 2024-06-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1255.5	1267.7	1200	1200
Analysis
Rating	1255.5	1267.7	1200	1200
Raw rating	1255.5	1267.7	1200	1200
Weighted rating	1211.2	1214.3	1200
Weighted performance	1178.9	1176.7	0
K-factor	36	36	36	36
Floor	755.5	767.7	700	700
Max/Min rating change allowed	153.2	150.6	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	1255.5	1267.7	1200	1200
New weighted rating	1215.1	1219	1200	1200
New weighted performance	1178.5	1176.2	0	0
Temp new rating	1255.5	1267.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1255.5	1267.7	1200	1200
New K-factor	36	36	36	36
New floor	755.5	767.7	700	700

Item	Main	Standard
	0	0
	4	4
	26	26
	0	0
	0	0
	0	0
History	30	30

Games since
	Main 30	Standard 30		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	3357		1197		457
Male	2601		936		356
U18	539		200		80
U18 Male	445		165		68
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	3.5	87.5	318.8	1266.4	1585.2
Standard	4	3.5	87.5	318.8	1266.4	1585.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	30	13	43.33	-56.7	1318.2	1261.5
Standard	30	13	43.33	-56.7	1318.2	1261.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1255.5	1267.7	1200	1200
2025-09-01	1255.5	1267.7	1200	1200
2025-08-01	1255.5	1267.7	1200	1200
2025-07-01	1198.7	1199.2	1200	1200
2025-06-01	1198.7	1199.2	1200	1200
2025-05-01	1198.7	1199.2	1200	1200
2025-04-01	1198.7	1199.2	1200	1200
2025-03-01	1198.7	1199.1	1200	1200
2025-02-01	1197.2	1197.3	1200	1200
2025-01-01	1174.8	1171.6	1200	1200
2024-12-01	1174.8	1171.6	1200	1200
2024-11-01	1174.8	1171.6	1200	1200
2024-10-01	1174.8	1171.6	1200	1200
2024-09-01	1233	1240	1200	1200
2024-08-01	1239.4	1246.8	1200	1200
2024-07-01	1217.9	1222	1200	1200
2024-06-01	1217.9	1222	1200	1200
2024-08-01	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
2023-11-01	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	2025 Tshwane North District CLOSED Team Championships (D3) (U17 Open)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	0	0	No	Analysis
2	2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U17)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	4	3.5	Yes	Analysis
3	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U18 Open)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane North District CLOSED Team Championships (D3) (U17 Open)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	0	0	No	Analysis
2	2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U17)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	4	3.5	Yes	Analysis
3	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U18 Open)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	0	0	No	Analysis
4	2024 Etienne Lewis (U16)	2024-08-30	2024-09-01	Standard	Tshwane (GTP)	7	7	1	Yes	Analysis
5	2024 Alekhine Open Chess Tournament (B)	2024-08-09	2024-08-10	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
6	2024 Tshwane North School District Cluster 4 & 5 Team League (U15)	2024-07-20	2024-07-20	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
7	2024 Tshwane North School District CLOSED Individual Champioships (U15 Boys)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
8	District 3 Cluster 4 and 5 Individuals 2024 (U15 Boys)	2024-05-04	2024-05-04	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Groenewald, P (Petrus)				Opponent Moabi, O (Olerato)
2	3	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Worku, B (Brook)				Opponent Matshoga, K (Kutlwano)
3	2	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-05-11	rnd 3	type Standard	result 0.5
		Opponent Atlegang, T (Thobejane)				Opponent Matsiokolo, G (Godisang)

#	Games	Start				End
1	4	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Groenewald, P (Petrus)				Opponent Moabi, O (Olerato)
2	3	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Worku, B (Brook)				Opponent Matshoga, K (Kutlwano)
3	2	Tournament 2024 Tshwane North School District CLOSED Individual Champioships				Tournament 2024 Tshwane North School District CLOSED Individual Champioships
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-05-11	rnd 3	type Standard	result 0.5
		Opponent Atlegang, T (Thobejane)				Opponent Matsiokolo, G (Godisang)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Worku, B (Brook)				Opponent Matshoga, K (Kutlwano)
2	2	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Groenewald, P (Petrus)				Opponent Grobler, A (Amorette)
3	1	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Moabi, O (Olerato)				Opponent Moabi, O (Olerato)

#	Games	Start				End
1	3	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Worku, B (Brook)				Opponent Matshoga, K (Kutlwano)
2	2	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Groenewald, P (Petrus)				Opponent Grobler, A (Amorette)
3	1	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Moabi, O (Olerato)				Opponent Moabi, O (Olerato)

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	Pieterse ,R (Rayton)	2	1	0	2	1	0	0	0	0	0	0	0
1	Pieterse ,R (Rayton)	2	1212.8	1212.8	2	1215.2	1212.8	0	0	0	0	0	0
2	Atlegang ,T (Thobejane)	1	1	425	1	1	425	0	0	0	0	0	0
2	Atlegang ,T (Thobejane)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Motlana ,K (Kabelo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Motlana ,K (Kabelo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Grobler ,A (Amorette)	1	1	425	1	1	425	0	0	0	0	0	0
4	Grobler ,A (Amorette)	1	1370.6	1795.6	1	1375.2	1795.6	0	0	0	0	0	0
5	Tailor ,J (Jay)	1	1	425	1	1	425	0	0	0	0	0	0
5	Tailor ,J (Jay)	1	1147.9	1572.9	1	1137.2	1572.9	0	0	0	0	0	0
6	Hoogendoorn ,D (Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
6	Hoogendoorn ,D (Daniel)	1	1256	1681	1	1249.7	1681	0	0	0	0	0	0
7	Matsiokolo ,G (Godisang)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Matsiokolo ,G (Godisang)	1	1453.2	1453.2	1	1455	1453.2	0	0	0	0	0	0
8	Groenewald ,P (Petrus)	1	1	425	1	1	425	0	0	0	0	0	0
8	Groenewald ,P (Petrus)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Olwagen ,C (Christopher)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Olwagen ,C (Christopher)	1	1199.8	1199.8	1	1199.8	1199.8	0	0	0	0	0	0
10	Seitei ,N (Neo)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Seitei ,N (Neo)	1	1365	940	1	1364.7	940	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Ferreira, A (Aidon)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms