Chess South Africa Ratings Database

PLAYER PAGE

Personal

Isaaks, M (Matthew)

Chess SA id

1090107833

FIDE id

Date of birth

2009-09-02 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1212.8	1213.2	1200	1200
Raw rating	1212.1	1212.6	1200	1200
Weighted rating	1212.8	1213.2	1200	1200
Weighted performance	917.6	951.4	0	0
Floor	735.6	738.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	163	162.9	165.8	165.8
Highest rating	1235.6 2025-03-01	1238.8 2025-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1235.6 2025-03-01	1238.8 2025-03-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1235.6 2025-03-01	1238.8 2025-03-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1205.8 2023-05-01	1205.8 2023-05-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.2	0.2	0	0
New rating	1213	1213.4	1200	1200
Analysis
Rating	1212.8	1213.2	1200	1200
Raw rating	1212.1	1212.6	1200	1200
Weighted rating	1212.8	1213.2	1200
Weighted performance	917.6	951.4	0
K-factor	36	36	36	36
Floor	735.6	738.8	700	700
Max/Min rating change allowed	163	162.9	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	1212.1	1212.6	1200	1200
New weighted rating	1213	1213.4	1200	1200
New weighted performance	917.2	951	0	0
Temp new rating	1213	1213.4	1200	1200
Temp new rating +/-	0.2	0.2	0	0
Final new rating +/-	0.2	0.2	0	0
New rating	1213	1213.4	1200	1200
New K-factor	36	36	36	36
New floor	735.6	738.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	9	9	0
	20	15	5
	19	19	0
	10	10	0
	0	0	0
History	82	77	5

Games since
	Main 29	Standard 24		Rapid 5		Blitz 0
Gender	Male
Age group	U18
Region	Eden (WEG)
Province	Western Cape (WC)
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	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
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	9	3	33.33	-141.7	1215.5	1073.8
Standard	9	3	33.33	-141.7	1215.5	1073.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	82	34	41.46	-72.6	1217.5	1145
Standard	77	33	42.86	-60.7	1213.8	1153
Rapid	5	1	20	-255	1275.4	1020.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1212.1	1212.6	1200	1200
2025-09-01	1212.1	1212.6	1200	1200
2025-08-01	1212.1	1212.6	1200	1200
2025-07-01	1211.7	1212.1	1200	1200
2025-06-01	1211.2	1211.6	1200	1200
2025-05-01	1210.4	1210.8	1200	1200
2025-04-01	1207	1206.6	1200	1200
2025-03-01	1235.6	1238.8	1200	1200
2025-02-01	1213.7	1213.7	1200	1200
2025-01-01	1213.7	1213.7	1200	1200
2024-12-01	1213.7	1213.7	1200	1200
2024-11-01	1213.7	1213.7	1200	1200
2024-10-01	1213.7	1213.7	1200	1200
2024-09-01	1213.7	1213.7	1200	1200
2024-08-01	1213.7	1213.7	1200	1200
2024-07-01	1213.7	1213.7	1200	1200
2024-06-01	1213.7	1213.7	1200	1200
2024-08-01	1213.7	1213.7	1200	1200
2024-04-01	1213.7	1213.7	1200	1200
2024-03-01	1216.1	1218.7	1200	1200
2024-02-01	1187.5	1188.5	1200	1200
2024-01-01	1187.5	1188.5	1200	1200
2023-12-01	1187.5	1188.5	1200	1200
2023-11-01	1187.5	1188.5	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	Oudussa Trials 2025 (U17)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	0	Yes	Analysis
2	Oudussa Trials 2 2025 (U17 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Oudussa Trials 2025 (U17)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	0	Yes	Analysis
2	Oudussa Trials 2 2025 (U17 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	Bo-Weskus Skole Skaak Top Skole 2024 (O13)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis
4	Eden Chess Trials 2 2024 (U16)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	0	0	No	Analysis
5	Eden School Chess Trials 1 2024 (U15 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	2	Yes	Analysis
6	OUDUSSA Trials 2 2024 (U15 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	3	Yes	Analysis
7	OUDUSSA Trials 1 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
8	Eden Trials 2+3 2023 (U16)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	9	3	Yes	Analysis
9	Eden Trails 1 2023 (U15 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	2	Yes	Analysis
10	Oudussa Proewe 1 2023 (U15 Boys)	2023-02-11	2023-02-11	Standard	Eden (WEG)	5	5	4	Yes	Analysis
11	Eden Proewe 2 2022 (O13 Seuns)	2022-04-09	2022-04-09	Standard	Eden (WEG)	5	5	3	Yes	Analysis
12	Eden Proewe 1 2022 (O13 Seuns)	2022-03-12	2022-03-12	Standard	Eden (WEG)	5	5	2	Yes	Analysis
13	Eden Schools Closed Trials 1 2020 (U11 Boys)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	2	Yes	Analysis
14	Oudtshoorn Proewe 1 2020 (O11)	2020-02-15	2020-02-15	Standard	Eden (WEG)	5	4	2	Yes	Analysis
15	Oudtshoorn Trials 3 2019 (U12)	2019-02-16	2019-02-16	Standard	Eden (WEG)	5	5	0.5	Yes	Analysis
16	Oudtshoorn Trials 2 2019 (U12)	2019-02-09	2019-02-09	Standard	Eden (WEG)	5	5	2	Yes	Analysis
17	Oudtshoorn Trials 1 2019 (U12)	2019-01-19	2019-01-19	Standard	Eden (WEG)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Eden Proewe 2 2022				Tournament Oudussa Proewe 1 2023
		date 2022-04-09	rnd 3	type Standard	result 1	date 2023-02-11	rnd 1	type Standard	result 1
		Opponent Zukhanyo, K (Kilani)				Opponent Claasen, R (Rowen)
2	3	Tournament OUDUSSA Trials 1 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-03	rnd 5	type Standard	result 0.5	date 2024-02-17	rnd 2	type Standard	result 1
		Opponent Julies, J (Jaiden)				Opponent Jacobs, M (Mondre)
3	3	Tournament Oudussa Proewe 1 2023				Tournament Oudussa Proewe 1 2023
		date 2023-02-11	rnd 3	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Le Roux, J (Jo Waydon)				Opponent Esau, D (Dehago)

#	Games	Start				End
1	4	Tournament Eden Proewe 2 2022				Tournament Oudussa Proewe 1 2023
		date 2022-04-09	rnd 3	type Standard	result 1	date 2023-02-11	rnd 1	type Standard	result 1
		Opponent Zukhanyo, K (Kilani)				Opponent Claasen, R (Rowen)
2	3	Tournament OUDUSSA Trials 1 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-03	rnd 5	type Standard	result 0.5	date 2024-02-17	rnd 2	type Standard	result 1
		Opponent Julies, J (Jaiden)				Opponent Jacobs, M (Mondre)
3	3	Tournament Oudussa Proewe 1 2023				Tournament Oudussa Proewe 1 2023
		date 2023-02-11	rnd 3	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Le Roux, J (Jo Waydon)				Opponent Esau, D (Dehago)

#	Games	Start				End
1	1	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-05-11	rnd 2	type Rapid	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Basson, J (Janro)				Opponent Basson, J (Janro)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Eden Proewe 2 2022				Tournament Oudussa Proewe 1 2023
		date 2022-04-09	rnd 3	type Standard	result 1	date 2023-02-11	rnd 1	type Standard	result 1
		Opponent Zukhanyo, K (Kilani)				Opponent Claasen, R (Rowen)
2	3	Tournament Oudussa Proewe 1 2023				Tournament Oudussa Proewe 1 2023
		date 2023-02-11	rnd 3	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Le Roux, J (Jo Waydon)				Opponent Esau, D (Dehago)
3	3	Tournament Oudtshoorn Proewe 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-03-07	rnd 1	type Standard	result 1
		Opponent Opperman, D (Dante)				Opponent Smith, O (Owen)

#	Games	Start				End
1	4	Tournament Eden Proewe 2 2022				Tournament Oudussa Proewe 1 2023
		date 2022-04-09	rnd 3	type Standard	result 1	date 2023-02-11	rnd 1	type Standard	result 1
		Opponent Zukhanyo, K (Kilani)				Opponent Claasen, R (Rowen)
2	3	Tournament Oudussa Proewe 1 2023				Tournament Oudussa Proewe 1 2023
		date 2023-02-11	rnd 3	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Le Roux, J (Jo Waydon)				Opponent Esau, D (Dehago)
3	3	Tournament Oudtshoorn Proewe 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-03-07	rnd 1	type Standard	result 1
		Opponent Opperman, D (Dante)				Opponent Smith, O (Owen)

#	Games	Start				End
1	1	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-05-11	rnd 2	type Rapid	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Basson, J (Janro)				Opponent Basson, J (Janro)

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	Botha ,J (Josephnique)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
1	Botha ,J (Josephnique)	4	1213	1000.5	4	1213.6	1000.5	0	0	0	0	0	0
2	May ,B (Behago)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	May ,B (Behago)	3	1122.3	697.3	3	1134.4	697.3	0	0	0	0	0	0
3	May ,M (Mehago)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	May ,M (Mehago)	2	878.2	453.2	2	881.5	453.2	0	0	0	0	0	0
4	Deenik ,J (Jared)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
4	Deenik ,J (Jared)	2	1205.7	993.2	2	1207	993.2	0	0	0	0	0	0
5	Claasen ,R (Rowen)	2	1	0	2	1	0	0	0	0	0	0	0
5	Claasen ,R (Rowen)	2	1192.9	1192.9	2	1193.1	1192.9	0	0	0	0	0	0
6	Rossel ,L (Louis)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Rossel ,L (Louis)	2	1399.9	974.9	2	1400.9	974.9	0	0	0	0	0	0
7	Piennaar ,A (Anthen)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Piennaar ,A (Anthen)	2	1329.2	904.2	2	1324.9	904.2	0	0	0	0	0	0
8	Robertson ,H (Hanko)	2	2	425	2	2	425	0	0	0	0	0	0
8	Robertson ,H (Hanko)	2	1184.1	1609.1	2	1180.8	1609.1	0	0	0	0	0	0
9	Stevens ,W (Wichardo)	2	1	0	2	1	0	0	0	0	0	0	0
9	Stevens ,W (Wichardo)	2	1264.1	1264.1	2	1266.4	1264.1	0	0	0	0	0	0
10	Stander ,J (Jack)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Stander ,J (Jack)	2	1272.7	847.7	2	1274.1	847.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Isaaks, 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