Chess South Africa Ratings Database

PLAYER PAGE

Personal

Da Fonseca, M (Matthew)

Chess SA id

1070154647

FIDE id

Date of birth

2007-01-06 (U20)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1286.9	1265.9	1264.5	1187.5
Raw rating	1285.4	1265.9	1264.5	1187.5
Weighted rating	1286.9	1258	1261.4	1186.7
Weighted performance	1161.8	0	1165.6	0
Floor	799.2	765.9	778.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	146.8	151	151.3	168.8
Highest rating	1299.2 2025-03-01	1518.3 2024-07-01	1278.9 2025-05-05	1200 2018-10-01
Highest raw rating	1299.2 2025-03-01	1265.9 2024-08-01	1278.9 2025-05-05	1200 2024-02-01
Highest weighted rating	1283.7 2025-09-01	1251.4 2025-08-01	1258.6 2025-09-01	1200 2018-10-01
Highest weighted performance	1297.2 2024-07-01	1518.3 2024-07-01	1241.1 2023-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	1.2	0	0	0
New rating	1288.1	1265.9	1264.5	1187.5
Analysis
Rating	1286.9	1265.9	1264.5	1187.5
Raw rating	1285.4	1265.9	1264.5	1187.5
Weighted rating	1286.9	1258	1261.4
Weighted performance	1161.8	0	1165.6
K-factor	36	36	36	36
Floor	799.2	765.9	778.9	700
Max/Min rating change allowed	146.8	151	151.3	168.8
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	1285.4	1265.9	1264.5	1187.5
New weighted rating	1288.1	1259.7	1262.6	1186.7
New weighted performance	1154.4	0	1158.2	0
Temp new rating	1288.1	1265.9	1264.5	1187.5
Temp new rating +/-	1.2	0	0	0
Final new rating +/-	1.2	0	0	0
New rating	1288.1	1265.9	1264.5	1187.5
New K-factor	36	36	36	36
New floor	799.2	765.9	778.9	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	24	0	19	5
	24	5	12	7
	6	0	6	0
	0	0	0	0
	0	0	0	0
History	54	5	37	12

Games since
	Main 48	Standard 5		Rapid 31		Blitz 12
Gender	Male
Age group	U20
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3386		1110		90
Male	2636		826		62
U20	241		87		7
U20 Male	188		74		7
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	1263		632		78
Male	1018		496		54
U20	71		41		5
U20 Male	61		37		5
Blitz
	RSA		Province		Region
Overall	513		184		9
Male	455		166		7
U20	40		18		4
U20 Male	36		17		4


	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	24	10.5	43.75	-53.1	1339.3	1286.2
Standard	0	0	0	0	0	0
Rapid	19	10.5	55.26	44.7	1241.9	1286.7
Blitz	5	0	0	-425	1709.4	1284.4
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	54	27	50	0	1304.2	1304.2
Standard	5	4	80	255	1279.2	1534.2
Rapid	37	20.5	55.41	45.9	1257.4	1303.4
Blitz	12	2.5	20.83	-247.9	1458.9	1210.9

Date	Main	Standard	Rapid	Blitz
2025-11-01	1285.4	1265.9	1264.5	1187.5
2025-09-30	1285.4	1265.9	1264.5	1187.5
2025-09-01	1285.4	1265.9	1264.5	1187.5
2025-08-01	1298.7	1265.9	1278.9	1187.5
2025-07-01	1298.7	1265.9	1278.9	1187.5
2025-06-01	1298.7	1265.9	1278.9	1187.5
2025-05-01	1298.7	1265.9	1278.9	1184.7
2025-04-01	1299.2	1265.9	1260.2	1188.9
2025-03-01	1299.2	1265.9	1260.2	1188.9
2025-02-01	1297.1	1265.9	1255.1	1188.8
2025-01-01	1297.1	1265.9	1255.1	1182.7
2024-12-01	1297.1	1265.9	1255.1	1182.7
2024-11-01	1297.1	1265.9	1255.1	1182.7
2024-10-01	1297.1	1265.9	1255.1	1182.7
2024-09-01	1297.1	1265.9	1255.1	1182.7
2024-08-01	1297.1	1265.9	1255.1	1182.7
2024-07-01	1245.1	1200	1255.1	1182.7
2024-09-01	1245.1	1200	1255.1	1182.7
2024-05-01	1245.1	1200	1255.1	1182.7
2024-04-01	1207.7	1200	1202.5	1200
2024-03-01	1207.7	1200	1202.5	1200
2024-02-01	1207.7	1200	1202.5	1200
2024-01-01	1204.5	1200	1207.9	1200
2023-12-01	1204.5	1200	1207.9	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	Kleinmond Chess Club Open 2025 (Advanced)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
2	Hermanus Chess Club Open 2025 (Development)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	4.5	Yes	Analysis
3	Hermanus Chess Club Open 2025 (Blitz)	2025-04-11	2025-04-11	Blitz	Overberg (WOS)	9	5	0	Yes	Analysis
4	Overberg Schools & Federation Open 2025 (Open)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Kleinmond Chess Club Open 2025 (Advanced)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
2	Hermanus Chess Club Open 2025 (Development)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	4.5	Yes	Analysis
3	Hermanus Chess Club Open 2025 (Blitz)	2025-04-11	2025-04-11	Blitz	Overberg (WOS)	9	5	0	Yes	Analysis
4	Overberg Schools & Federation Open 2025 (Open)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
5	Overberg Schools - Top Schools 2024 (U18 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
6	Hermanus Chess Club Open 2024 (Intermediate)	2024-04-20	2024-04-20	Rapid	Overberg (WOS)	7	7	4	Yes	Analysis
7	Hermanus Chess Club Open 2024 (Blitz)	2024-04-19	2024-04-19	Blitz	Overberg (WOS)	7	7	2.5	Yes	Analysis
8	Overberg Open Rapid 2024 (U17)	2024-01-27	2024-01-27	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
9	Hermanus Rapid 2023 (C)	2023-04-22	2023-04-22	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Hermanus Chess Club Open 2024				Tournament Hermanus Chess Club Open 2024
		date 2024-04-19	rnd 7	type Blitz	result 1	date 2024-04-20	rnd 4	type Rapid	result 0.5
		Opponent Smit, M (Mario)				Opponent Beveridge, TG (Talitha)
2	3	Tournament Hermanus Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-04-12	rnd 7	type Rapid	result 1	date 2025-08-30	rnd 2	type Rapid	result 1
		Opponent Geerlings, WGF (Willem)				Opponent Hendricks, L (Lakeisha)
3	3	Tournament Hermanus Chess Club Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-04-12	rnd 3	type Rapid	result 0.5	date 2025-04-12	rnd 5	type Rapid	result 1
		Opponent Fielies, K (Kyle)				Opponent Oosthuizen, J (Jacques)

#	Games	Start				End
1	2	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 4	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Fourie, E (Ewie)				Opponent Van Schoor, J (Jaandre)
2	2	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent Mohammed, O (Omar)				Opponent Dyoli, L (Luphelo)

#	Games	Start				End
1	5	Tournament Overberg Open Rapid 2024				Tournament Hermanus Chess Club Open 2024
		date 2024-01-27	rnd 5	type Rapid	result 1	date 2024-04-20	rnd 4	type Rapid	result 0.5
		Opponent Flippies, S (Shaun)				Opponent Beveridge, TG (Talitha)
2	3	Tournament Hermanus Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-04-12	rnd 7	type Rapid	result 1	date 2025-08-30	rnd 2	type Rapid	result 1
		Opponent Geerlings, WGF (Willem)				Opponent Hendricks, L (Lakeisha)
3	3	Tournament Hermanus Chess Club Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-04-12	rnd 3	type Rapid	result 0.5	date 2025-04-12	rnd 5	type Rapid	result 1
		Opponent Fielies, K (Kyle)				Opponent Oosthuizen, J (Jacques)

#	Games	Start				End
1	2	Tournament Hermanus Chess Club Open 2024				Tournament Hermanus Chess Club Open 2024
		date 2024-04-19	rnd 2	type Blitz	result 1	date 2024-04-19	rnd 3	type Blitz	result 0.5
		Opponent Rogers, J (Judy)				Opponent Laubscher, E (Erick)
2	1	Tournament Hermanus Chess Club Open 2024				Tournament Hermanus Chess Club Open 2024
		date 2024-04-19	rnd 7	type Blitz	result 1	date 2024-04-19	rnd 7	type Blitz	result 1
		Opponent Smit, M (Mario)				Opponent Smit, M (Mario)

#	Games	Start				End
1	3	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools & Federation Open 2025
		date 2024-07-27	rnd 4	type Standard	result 1	date 2025-02-01	rnd 1	type Rapid	result 1
		Opponent Fourie, E (Ewie)				Opponent Du Plessis, M (Matthys Armand)
2	3	Tournament Hermanus Chess Club Open 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-04-20	rnd 7	type Rapid	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent Jara, I (Iviwe)				Opponent Dyoli, L (Luphelo)
3	3	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 3	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Groenewald, C (Christiaan)				Opponent Rogov, E (Evgenij)

#	Games	Start				End
1	2	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 4	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Fourie, E (Ewie)				Opponent Van Schoor, J (Jaandre)
2	2	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent Mohammed, O (Omar)				Opponent Dyoli, L (Luphelo)

#	Games	Start				End
1	3	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 3	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Groenewald, C (Christiaan)				Opponent Rogov, E (Evgenij)
2	2	Tournament Hermanus Chess Club Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-04-12	rnd 4	type Rapid	result 1	date 2025-04-12	rnd 5	type Rapid	result 1
		Opponent Brost, J (Jakob)				Opponent Oosthuizen, J (Jacques)
3	2	Tournament Hermanus Chess Club Open 2024				Tournament Overberg Schools & Federation Open 2025
		date 2024-04-20	rnd 7	type Rapid	result 1	date 2025-02-01	rnd 1	type Rapid	result 1
		Opponent Jara, I (Iviwe)				Opponent Du Plessis, M (Matthys Armand)

#	Games	Start				End
1	1	Tournament Hermanus Chess Club Open 2024				Tournament Hermanus Chess Club Open 2024
		date 2024-04-19	rnd 7	type Blitz	result 1	date 2024-04-19	rnd 7	type Blitz	result 1
		Opponent Smit, M (Mario)				Opponent Smit, M (Mario)
2	1	Tournament Hermanus Chess Club Open 2024				Tournament Hermanus Chess Club Open 2024
		date 2024-04-19	rnd 2	type Blitz	result 1	date 2024-04-19	rnd 2	type Blitz	result 1
		Opponent Rogers, J (Judy)				Opponent Rogers, J (Judy)

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	Oosthuizen ,J (Jacques)	2	2	425	0	0	0	2	2	425	0	0	0
1	Oosthuizen ,J (Jacques)	2	1098.2	1523.2	0	0	0	2	1043.6	1523.2	0	0	0
2	Mackenzie ,T (Tyrol)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Mackenzie ,T (Tyrol)	2	1249.1	824.1	0	0	0	2	1297.8	824.1	0	0	0
3	Beveridge ,TG (Talitha Grace)	2	0.5	-212.5	0	0	0	2	0.5	-212.5	0	0	0
3	Beveridge ,TG (Talitha Grace)	2	1399.1	1186.6	0	0	0	2	1173.8	1186.6	0	0	0
4	Laubscher ,E (Erick)	2	0.5	-212.5	0	0	0	1	0	-425	1	0.5	0
4	Laubscher ,E (Erick)	2	1225.6	1013.1	0	0	0	1	1319.9	800.6	1	1200	1225.6
5	Smit ,M (Mario)	2	1	0	0	0	0	1	0	-425	1	1	425
5	Smit ,M (Mario)	2	1189.8	1189.8	0	0	0	1	1236.7	764.8	1	1200	1614.8
6	Fourie ,E (Ewie)	1	1	425	1	1	425	0	0	0	0	0	0
6	Fourie ,E (Ewie)	1	1222.3	1647.3	1	1142.8	1647.3	0	0	0	0	0	0
7	Dyoli ,L (Luphelo)	1	1	425	1	1	425	0	0	0	0	0	0
7	Dyoli ,L (Luphelo)	1	1237.7	1662.7	1	1200	1662.7	0	0	0	0	0	0
8	Flippies ,S (Shaun)	1	1	425	0	0	0	1	1	425	0	0	0
8	Flippies ,S (Shaun)	1	1113.7	1538.7	0	0	0	1	1200	1538.7	0	0	0
9	Rogov ,E (Evgenij)	1	1	425	0	0	0	1	1	425	0	0	0
9	Rogov ,E (Evgenij)	1	1222.5	1647.5	0	0	0	1	1244	1647.5	0	0	0
10	Olivier ,J (Jonathan)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
10	Olivier ,J (Jonathan)	1	1209.4	1209.4	0	0	0	1	1187.5	1209.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Da Fonseca, M (Matthew)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms