Chess South Africa Ratings Database

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Personal

Koutsouvelis, M (Matthew)

Chess SA id

1140151191

FIDE id

Date of birth

2014-01-19 (U12)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

72.2

Junior GPX Points

1447.6

Item	Main	Standard	Rapid	Blitz
Rating	1699.9	1695.7	1184	1273.9
Raw rating	1690.7	1688.7	1184	1273.9
Weighted rating	1457.8	1462.4	1170.9	1244.3
Weighted performance	1699.9	1695.7	0	0
Floor	1190.7	1188.7	700	773.9
K-factor	28	28	36	36
Min/Max rating change allowed	82.4	82.6	169.6	149.2
Highest rating	1699.9 2025-09-30	1695.7 2025-09-30	1200 2018-10-01	1273.9 2025-02-01
Highest raw rating	1690.7 2025-09-30	1688.7 2025-09-30	1200 2019-12-01	1273.9 2025-02-01
Highest weighted rating	1457.8 2025-09-30	1462.4 2025-09-30	1200 2018-10-01	1236.2 2025-08-01
Highest weighted performance	1699.9 2025-09-30	1695.7 2025-09-30	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.6	-0.6	0	0
New rating	1699.3	1695.1	1184	1273.9
Analysis
Rating	1699.9	1695.7	1184	1273.9
Raw rating	1690.7	1688.7	1184	1273.9
Weighted rating	1457.8	1462.4	1170.9
Weighted performance	1699.9	1695.7	0
K-factor	28	28	36	36
Floor	1190.7	1188.7	700	773.9
Max/Min rating change allowed	82.4	82.6	169.6	149.2
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	1690.7	1688.7	1184	1273.9
New weighted rating	1481.7	1485.2	1172.8	1248
New weighted performance	1699.3	1695.1	0	0
Temp new rating	1699.3	1695.1	1184	1273.9
Temp new rating +/-	-0.6	-0.6	0	0
Final new rating +/-	-0.6	-0.6	0	0
New rating	1699.3	1695.1	1184	1273.9
New K-factor	28	28	36	36
New floor	1190.7	1188.7	700	773.9

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	71	62	0	9
	46	41	5	0
	38	33	5	0
	0	0	0	0
	0	0	0	0
History	155	136	10	9

Games since
	Main 127	Standard 113		Rapid 5		Blitz 9
Gender	Male
Age group	U12
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	301		28		17
Male	284		27		16
U12	8		2		2
U12 Male	7		2		2
Standard
	RSA		Province		Region
Overall	299		27		15
Male	281		26		14
U12	7		2		2
U12 Male	6		2		2
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	71	54	76.06	221.5	1391.6	1613
Standard	62	47.5	76.61	226.2	1394.1	1620.3
Rapid	0	0	0	0	0	0
Blitz	9	6.5	72.22	188.9	1374.4	1563.3
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	155	101.5	65.48	131.6	1311	1442.6
Standard	136	91	66.91	143.8	1310.4	1454.2
Rapid	10	4	40	-85	1261.3	1176.3
Blitz	9	6.5	72.22	188.9	1374.4	1563.3

Date	Main	Standard	Rapid	Blitz
2025-09-30	1690.7	1688.7	1184	1273.9
2025-09-01	1662.2	1659	1184	1273.9
2025-08-01	1662.2	1659	1184	1273.9
2025-07-01	1599.2	1597.5	1184	1273.9
2025-06-01	1496.9	1497.3	1184	1273.9
2025-05-01	1492.5	1492.9	1184	1273.9
2025-04-01	1492.5	1492.9	1184	1273.9
2025-03-01	1449	1445.6	1184	1273.9
2025-02-01	1390	1372.3	1184	1273.9
2025-01-01	1303.2	1307.2	1184	1200
2024-12-01	1336.3	1346.1	1184	1200
2024-11-01	1328.1	1346.1	1140.8	1200
2024-10-01	1328.1	1346.1	1140.8	1200
2024-09-01	1292	1306.9	1140.8	1200
2024-08-01	1270.2	1281.3	1140.8	1200
2024-07-01	1277.1	1292.5	1140.8	1200
2024-06-01	1277.1	1292.5	1140.8	1200
2024-08-01	1296.5	1318.1	1140.8	1200
2024-04-01	1296.5	1318.1	1140.8	1200
2024-03-01	1296.5	1318.1	1140.8	1200
2024-02-01	1293.5	1327.1	1140.8	1200
2024-01-01	1293.5	1327.1	1140.8	1200
2023-12-01	1293.5	1327.1	1140.8	1200
2023-11-01	1293.5	1327.1	1140.8	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	EC Closed 2025 (U12 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
2	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	5.5	Yes	Analysis
3	Eastern Cape Inter-Regional Team Chess Championship 2025 (U12)	2025-07-10	2025-07-11	Standard	Amathole (EAL)	5	4	3.5	Yes	Analysis
4	Ty's Winter Classic 2025	2025-06-27	2025-06-28	Standard	Nelson Mandela Bay (ENM)	7	7	6.5	Yes	Analysis
5	NMBCU Closed 2025 (U12)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
6	NMBCU Open 2025 (C)	2025-05-23	2025-05-24	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
7	NMBCU Trial 4 2025 (U12)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	5	3.5	Yes	Analysis
8	NMB 2nd Trials 2025 (U12)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
9	Pearson High Chess Festival 2025 (C)	2025-02-21	2025-02-22	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
10	NMBCH Trial 1 2025 (U12)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
11	NMBCU vs BCC Derby Chess Invitational 2025 (U12)	2025-01-10	2025-01-11	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
12	NMBCU vs BCC Derby Chess Invitational 2025 (Blitz Open B)	2025-01-12	2025-01-12	Blitz	Nelson Mandela Bay (ENM)	9	9	6.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EC Closed 2025 (U12 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
2	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	5.5	Yes	Analysis
3	Eastern Cape Inter-Regional Team Chess Championship 2025 (U12)	2025-07-10	2025-07-11	Standard	Amathole (EAL)	5	4	3.5	Yes	Analysis
4	Ty's Winter Classic 2025	2025-06-27	2025-06-28	Standard	Nelson Mandela Bay (ENM)	7	7	6.5	Yes	Analysis
5	NMBCU Closed 2025 (U12)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
6	NMBCU Open 2025 (C)	2025-05-23	2025-05-24	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
7	NMBCU Trial 4 2025 (U12)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	5	3.5	Yes	Analysis
8	NMB 2nd Trials 2025 (U12)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
9	Pearson High Chess Festival 2025 (C)	2025-02-21	2025-02-22	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
10	NMBCH Trial 1 2025 (U12)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
11	NMBCU vs BCC Derby Chess Invitational 2025 (U12)	2025-01-10	2025-01-11	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
12	NMBCU vs BCC Derby Chess Invitational 2025 (Blitz Open B)	2025-01-12	2025-01-12	Blitz	Nelson Mandela Bay (ENM)	9	9	6.5	Yes	Analysis
13	Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Championship)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	2.5	Yes	Analysis
14	Grey Junior School Chess Team Championship 2024 (Senior)	2024-11-02	2024-11-02	Rapid	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
15	NMBCU Closed 2024 (U12)	2024-09-20	2024-09-21	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
16	NMBCU Trial 5 2024 (U12)	2024-08-16	2024-08-17	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
17	NMBCU Trials 4 2024 (U12)	2024-07-12	2024-07-13	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
18	NMBCU Trial 3 2024 (U12)	2024-05-10	2024-05-11	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
19	NMBCU Trials 1 2024 (U12)	2024-02-16	2024-02-16	Standard	Nelson Mandela Bay (ENM)	6	5	4	Yes	Analysis
20	Pearson Open Chess Tournament 2024 (C)	2024-02-23	2024-02-24	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
21	Eastern Cape Provincial Individual Championship 2023 (U10 Boys)	2023-10-05	2023-10-05	Standard	Nelson Mandela Bay (ENM)	7	7	4	Yes	Analysis
22	Eastern Cape Chess Team Championship 2023 (U10)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	3	2	Yes	Analysis
23	NMBCU Closed 2023 (U10)	2023-08-11	2023-08-12	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
24	NMBCU Trial 4 2023 (U10)	2023-07-28	2023-07-29	Standard	Nelson Mandela Bay (ENM)	6	4	3	Yes	Analysis
25	EP Trials 3 2023 (U10)	2023-05-05	2023-05-06	Standard	Nelson Mandela Bay (ENM)	6	4	2	Yes	Analysis
26	Youth Chess Acadamy Rapid Tournament 2023 (B)	2023-03-11	2023-03-11	Rapid	Nelson Mandela Bay (ENM)	5	5	1	Yes	Analysis
27	NMB 2nd Trials 2023 (U10)	2023-03-24	2023-03-25	Standard	Nelson Mandela Bay (ENM)	6	3	3	Yes	Analysis
28	NMB 1st Trials 2023 (U8+U10)	2023-02-17	2023-02-18	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis

#	Games	Start				End
1	18	Tournament Ty's Winter Classic 2025				Tournament EC Closed 2025
		date 2025-06-27	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Furniss, T (Tyler)				Opponent Groves, O (Oscar)
2	7	Tournament NMB 2nd Trials 2025				Tournament NMBCU Trial 4 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Boggenpoel, L (Levi)				Opponent Jacobs, J (Joel)
3	7	Tournament NMBCU vs BCC Derby Chess Invitational 2025				Tournament NMBCH Trial 1 2025
		date 2025-01-12	rnd 7	type Blitz	result 0.5	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Masoeu, S (Senogo)				Opponent Furniss, T (Tyler)

#	Games	Start				End
1	18	Tournament Ty's Winter Classic 2025				Tournament EC Closed 2025
		date 2025-06-27	rnd 1	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Furniss, T (Tyler)				Opponent Groves, O (Oscar)
2	7	Tournament NMB 2nd Trials 2025				Tournament NMBCU Trial 4 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Boggenpoel, L (Levi)				Opponent Jacobs, J (Joel)
3	7	Tournament NMBCU vs BCC Derby Chess Invitational 2025				Tournament NMBCH Trial 1 2025
		date 2025-01-11	rnd 3	type Standard	result 1	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Lin, Y (Yihang)				Opponent Furniss, T (Tyler)

#	Games	Start				End
1	2	Tournament Grey Junior School Chess Team Championship 2024				Tournament Grey Junior School Chess Team Championship 2024
		date 2024-11-02	rnd 4	type Rapid	result 1	date 2024-11-02	rnd 5	type Rapid	result 1
		Opponent Ownhouse, W (Wyatt)				Opponent Murray, C (Chloe)
2	1	Tournament Grey Junior School Chess Team Championship 2024				Tournament Grey Junior School Chess Team Championship 2024
		date 2024-11-02	rnd 1	type Rapid	result 1	date 2024-11-02	rnd 1	type Rapid	result 1
		Opponent Kitching, A (Abby-Gail)				Opponent Kitching, A (Abby-Gail)
3	1	Tournament Youth Chess Acadamy Rapid Tournament 2023				Tournament Youth Chess Acadamy Rapid Tournament 2023
		date 2023-03-11	rnd 1	type Rapid	result 1	date 2023-03-11	rnd 1	type Rapid	result 1
		Opponent Sineke, I (Iminathi)				Opponent Sineke, I (Iminathi)

#	Games	Start				End
1	4	Tournament NMBCU vs BCC Derby Chess Invitational 2025				Tournament NMBCU vs BCC Derby Chess Invitational 2025
		date 2025-01-12	rnd 2	type Blitz	result 1	date 2025-01-12	rnd 5	type Blitz	result 1
		Opponent Coetzee, N (Niki)				Opponent King, J (Jaymie)
2	3	Tournament NMBCU vs BCC Derby Chess Invitational 2025				Tournament NMBCU vs BCC Derby Chess Invitational 2025
		date 2025-01-12	rnd 7	type Blitz	result 0.5	date 2025-01-12	rnd 9	type Blitz	result 1
		Opponent Masoeu, S (Senogo)				Opponent Fricke, L (Leon)

#	Games	Start				End
1	6	Tournament NMBCU vs BCC Derby Chess Invitational 2025				Tournament NMBCH Trial 1 2025
		date 2025-01-12	rnd 8	type Blitz	result 1	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Lin, Y (Yihang)				Opponent Furniss, T (Tyler)
2	5	Tournament Eastern Cape Inter-Regional Team Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-10	rnd 3	type Standard	result 1	date 2025-07-12	rnd 3	type Standard	result 1
		Opponent Abrahams, L (Levi)				Opponent Qupe, L (Liyabonga)
3	5	Tournament Ty's Winter Classic 2025				Tournament Ty's Winter Classic 2025
		date 2025-06-27	rnd 1	type Standard	result 1	date 2025-06-27	rnd 5	type Standard	result 1
		Opponent Furniss, T (Tyler)				Opponent Celliers, M (Morgan)

#	Games	Start				End
1	7	Tournament NMBCU vs BCC Derby Chess Invitational 2025				Tournament NMBCH Trial 1 2025
		date 2025-01-11	rnd 3	type Standard	result 1	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Lin, Y (Yihang)				Opponent Furniss, T (Tyler)
2	5	Tournament Eastern Cape Inter-Regional Team Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-10	rnd 3	type Standard	result 1	date 2025-07-12	rnd 3	type Standard	result 1
		Opponent Abrahams, L (Levi)				Opponent Qupe, L (Liyabonga)
3	5	Tournament Ty's Winter Classic 2025				Tournament Ty's Winter Classic 2025
		date 2025-06-27	rnd 1	type Standard	result 1	date 2025-06-27	rnd 5	type Standard	result 1
		Opponent Furniss, T (Tyler)				Opponent Celliers, M (Morgan)

#	Games	Start				End
1	2	Tournament Grey Junior School Chess Team Championship 2024				Tournament Grey Junior School Chess Team Championship 2024
		date 2024-11-02	rnd 4	type Rapid	result 1	date 2024-11-02	rnd 5	type Rapid	result 1
		Opponent Ownhouse, W (Wyatt)				Opponent Murray, C (Chloe)
2	1	Tournament Grey Junior School Chess Team Championship 2024				Tournament Grey Junior School Chess Team Championship 2024
		date 2024-11-02	rnd 1	type Rapid	result 1	date 2024-11-02	rnd 1	type Rapid	result 1
		Opponent Kitching, A (Abby-Gail)				Opponent Kitching, A (Abby-Gail)
3	1	Tournament Youth Chess Acadamy Rapid Tournament 2023				Tournament Youth Chess Acadamy Rapid Tournament 2023
		date 2023-03-11	rnd 1	type Rapid	result 1	date 2023-03-11	rnd 1	type Rapid	result 1
		Opponent Sineke, I (Iminathi)				Opponent Sineke, I (Iminathi)

#	Games	Start				End
1	4	Tournament NMBCU vs BCC Derby Chess Invitational 2025				Tournament NMBCU vs BCC Derby Chess Invitational 2025
		date 2025-01-12	rnd 2	type Blitz	result 1	date 2025-01-12	rnd 5	type Blitz	result 1
		Opponent Coetzee, N (Niki)				Opponent King, J (Jaymie)
2	2	Tournament NMBCU vs BCC Derby Chess Invitational 2025				Tournament NMBCU vs BCC Derby Chess Invitational 2025
		date 2025-01-12	rnd 8	type Blitz	result 1	date 2025-01-12	rnd 9	type Blitz	result 1
		Opponent Lin, Y (Yihang)				Opponent Fricke, L (Leon)

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	Mouton ,W (Wyatt)	6	5	283.3	6	5	283.3	0	0	0	0	0	0
1	Mouton ,W (Wyatt)	6	1165.8	1449.1	6	1179.5	1449.1	0	0	0	0	0	0
2	Boggenpoel ,L (Levi)	6	2.5	-70.8	6	2.5	-70.8	0	0	0	0	0	0
2	Boggenpoel ,L (Levi)	6	1330.8	1260	6	1364.6	1260	0	0	0	0	0	0
3	Stander ,CL (Cael Lelethu)	6	1	-283.3	5	1	-255	0	0	0	1	0	-425
3	Stander ,CL (Cael Lelethu)	6	1593.7	1310.4	5	1608.5	1338.7	0	0	0	1	1200	1168.7
4	Furniss ,T (Tyler)	5	3	85	5	3	85	0	0	0	0	0	0
4	Furniss ,T (Tyler)	5	1374.7	1459.7	5	1381.5	1459.7	0	0	0	0	0	0
5	Jacobs ,J (Joel)	5	4.5	340	5	4.5	340	0	0	0	0	0	0
5	Jacobs ,J (Joel)	5	1389.3	1729.3	5	1388.8	1729.3	0	0	0	0	0	0
6	Hugo ,K (Kian)	5	3	85	5	3	85	0	0	0	0	0	0
6	Hugo ,K (Kian)	5	1545.5	1630.5	5	1548.5	1630.5	0	0	0	0	0	0
7	Swanepoel ,B (Bijan)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
7	Swanepoel ,B (Bijan)	4	1253.6	1466.1	4	1283.7	1466.1	0	0	0	0	0	0
8	Adams ,C (Ciara)	4	0	-425	3	0	-425	1	0	-425	0	0	0
8	Adams ,C (Ciara)	4	1303.7	878.7	3	1348.1	878.7	1	1200	878.7	0	0	0
9	Murray ,C (Chloe)	4	3	212.5	3	2	141.7	1	1	425	0	0	0
9	Murray ,C (Chloe)	4	1275.9	1488.4	3	1274.1	1417.5	1	1193.8	1700.9	0	0	0
10	Van Greunen ,W (Willem)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
10	Van Greunen ,W (Willem)	3	1265.6	1407.2	3	1278.1	1407.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Koutsouvelis, M (Matthew)

Ratings

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Last 24 raw ratings

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Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms