Chess South Africa Ratings Database

PLAYER PAGE

Personal

Costelha, M (Miguel)

Chess SA id

1120142675

FIDE id

Date of birth

2012-03-22 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1289.8	1302.4	1200	1200
Raw rating	1289.8	1302.4	1200	1200
Weighted rating	1289.7	1302.1	1200	1200
Weighted performance	0	0	0	0
Floor	791	805.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	145.9	143.3	165.8	165.8
Highest rating	1479.6 2022-05-01	1477.4 2022-05-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1291 2024-02-01	1305.2 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1291 2025-04-01	1305.2 2025-04-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1479.6 2022-05-01	1477.4 2022-05-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1289.8	1302.4	1200	1200
Analysis
Rating	1289.8	1302.4	1200	1200
Raw rating	1289.8	1302.4	1200	1200
Weighted rating	1289.7	1302.1	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	791	805.2	700	700
Max/Min rating change allowed	145.9	143.3	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	1289.8	1302.4	1200	1200
New weighted rating	1289.7	1302.1	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1289.8	1302.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1289.8	1302.4	1200	1200
New K-factor	36	36	36	36
New floor	791	805.2	700	700

Item	Main	Standard
	0	0
	0	0
	5	5
	5	5
	10	10
	0	0
History	20	20

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	14	70	170	1205.3	1375.3
Standard	20	14	70	170	1205.3	1375.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1289.8	1302.4	1200	1200
2025-09-30	1289.8	1302.4	1200	1200
2025-09-01	1289.8	1302.4	1200	1200
2025-08-01	1289.8	1302.4	1200	1200
2025-07-01	1289.8	1302.4	1200	1200
2025-06-01	1289.8	1302.4	1200	1200
2025-05-01	1289.8	1302.4	1200	1200
2025-04-01	1289.8	1302.4	1200	1200
2025-03-01	1289.7	1302.4	1200	1200
2025-02-01	1289.5	1302.1	1200	1200
2025-01-01	1288.9	1300.2	1200	1200
2024-12-01	1288.9	1300.2	1200	1200
2024-11-01	1288.9	1300.2	1200	1200
2024-10-01	1288.9	1300.2	1200	1200
2024-09-01	1288.9	1300.2	1200	1200
2024-08-01	1288.9	1300.2	1200	1200
2024-07-01	1288.9	1300.2	1200	1200
2024-09-01	1291	1305.2	1200	1200
2024-05-01	1291	1305.2	1200	1200
2024-04-01	1291	1305.2	1200	1200
2024-03-01	1291	1305.2	1200	1200
2024-02-01	1291	1305.2	1200	1200
2024-01-01	1291	1305.2	1200	1200
2023-12-01	1291	1305.2	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	Ekurhuleni North Primary Schools District Individual Finals 2024 (U13 Boys)	2024-05-11	2024-05-11	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	Ekurhuleni North Schools Individual Finals 2023 (U11 Boys)	2023-05-12	2023-05-12	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
3	2022 Gauteng Schools Individual Chess Championship (U11 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	Ekurhuleni-North Schools Finals Indiv 2022 (U11 Boys)	2022-05-13	2022-05-13	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Ekurhuleni North Primary Schools District Individual Finals 2024
		date 2023-05-12	rnd 3	type Standard	result 1	date 2024-05-11	rnd 2	type Standard	result 1
		Opponent De Lange, Z (Zanco)				Opponent Mumba, M (Mambo)
2	3	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-05-13	rnd 4	type Standard	result 1	date 2022-06-18	rnd 1	type Standard	result 1
		Opponent Van Rooyen, D (Dion)				Opponent Talane, K (Kelvin)
3	2	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2022-06-18	rnd 5	type Standard	result 1	date 2023-05-12	rnd 1	type Standard	result 1
		Opponent Molopa, L (Lehlogonolo)				Opponent Gadney, L (Liam)

#	Games	Start				End
1	5	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Ekurhuleni North Primary Schools District Individual Finals 2024
		date 2023-05-12	rnd 3	type Standard	result 1	date 2024-05-11	rnd 2	type Standard	result 1
		Opponent De Lange, Z (Zanco)				Opponent Mumba, M (Mambo)
2	3	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-05-13	rnd 4	type Standard	result 1	date 2022-06-18	rnd 1	type Standard	result 1
		Opponent Van Rooyen, D (Dion)				Opponent Talane, K (Kelvin)
3	2	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2022-06-18	rnd 5	type Standard	result 1	date 2023-05-12	rnd 1	type Standard	result 1
		Opponent Molopa, L (Lehlogonolo)				Opponent Gadney, L (Liam)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Ekurhuleni North Primary Schools District Individual Finals 2024
		date 2023-05-12	rnd 3	type Standard	result 1	date 2024-05-11	rnd 2	type Standard	result 1
		Opponent De Lange, Z (Zanco)				Opponent Mumba, M (Mambo)
2	3	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-05-13	rnd 4	type Standard	result 1	date 2022-06-18	rnd 1	type Standard	result 1
		Opponent Van Rooyen, D (Dion)				Opponent Talane, K (Kelvin)
3	2	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2022-06-18	rnd 5	type Standard	result 1	date 2023-05-12	rnd 1	type Standard	result 1
		Opponent Molopa, L (Lehlogonolo)				Opponent Gadney, L (Liam)

#	Games	Start				End
1	5	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Ekurhuleni North Primary Schools District Individual Finals 2024
		date 2023-05-12	rnd 3	type Standard	result 1	date 2024-05-11	rnd 2	type Standard	result 1
		Opponent De Lange, Z (Zanco)				Opponent Mumba, M (Mambo)
2	3	Tournament Ekurhuleni-North Schools Finals Indiv 2022				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-05-13	rnd 4	type Standard	result 1	date 2022-06-18	rnd 1	type Standard	result 1
		Opponent Van Rooyen, D (Dion)				Opponent Talane, K (Kelvin)
3	2	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2022-06-18	rnd 5	type Standard	result 1	date 2023-05-12	rnd 1	type Standard	result 1
		Opponent Molopa, L (Lehlogonolo)				Opponent Gadney, L (Liam)

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	Ramanenzhe ,O (Orifha)	2	2	425	2	2	425	0	0	0	0	0	0
1	Ramanenzhe ,O (Orifha)	2	1141.2	1566.2	2	1133.2	1566.2	0	0	0	0	0	0
2	Tshabalala ,E (Evans)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Tshabalala ,E (Evans)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Van Nieuwenhuizen ,C (Cayle)	1	1	425	1	1	425	0	0	0	0	0	0
3	Van Nieuwenhuizen ,C (Cayle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Habangana ,B (Bushe)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Habangana ,B (Bushe)	1	1209.4	784.4	1	1195.6	784.4	0	0	0	0	0	0
5	Mhlongo ,N (Nhlakanipho)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mhlongo ,N (Nhlakanipho)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Bosman ,J (Johan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Bosman ,J (Johan)	1	1331.8	906.8	1	1330.6	906.8	0	0	0	0	0	0
7	Van Rooyen ,D (Dion)	1	1	425	1	1	425	0	0	0	0	0	0
7	Van Rooyen ,D (Dion)	1	1178.1	1603.1	1	1174	1603.1	0	0	0	0	0	0
8	Mumba ,M (Mambo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mumba ,M (Mambo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Molopa ,L (Lehlogonolo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Molopa ,L (Lehlogonolo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Ramorula ,O (Otlotlilwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ramorula ,O (Otlotlilwe)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Costelha, M (Miguel)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms