Chess South Africa Ratings Database

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Personal

Nel, M (Mattheus Johan)

Chess SA id

1150304153

FIDE id

Date of birth

2015-09-22 (U12)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-19

Personal details last changed

1900-01-01

Junior GPX Games

37.3

Junior GPX Points

1062.5

Item	Main	Standard	Rapid	Blitz
Rating	1248.8	1188.8	1272	1200
Raw rating	1248.8	1188.8	1272	1200
Weighted rating	1217	1187.4	1236.8	1200
Weighted performance	1176.3	0	1230.3	0
Floor	755.4	700	798	700
K-factor	36	36	36	36
Min/Max rating change allowed	154.7	168.5	149.6	165.8
Highest rating	1255.4 2025-06-01	1200 2024-05-01	1298 2025-06-01	1200 2024-05-01
Highest raw rating	1255.4 2025-06-01	1200 2024-05-01	1298 2025-06-01	1200 2024-05-01
Highest weighted rating	1255.4 2024-05-01	1200 2024-05-01	1298 2024-05-01	1200 2024-05-01
Highest weighted performance	1200 2024-12-01	1200 2024-05-01	1206.4 2024-11-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1248.8	1188.8	1272	1200
Analysis
Rating	1248.8	1188.8	1272	1200
Raw rating	1248.8	1188.8	1272	1200
Weighted rating	1217	1187.4	1236.8
Weighted performance	1176.3	0	1230.3
K-factor	36	36	36	36
Floor	755.4	700	798	700
Max/Min rating change allowed	154.7	168.5	149.6	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	1248.8	1188.8	1272	1200
New weighted rating	1220.3	1187.3	1240.9	1200
New weighted performance	1175.9	0	1229.9	0
Temp new rating	1248.8	1188.8	1272	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1248.8	1188.8	1272	1200
New K-factor	36	36	36	36
New floor	755.4	700	798	700

Item	Main	Standard	Rapid
	0	0	0
	48	18	30
	46	5	41
	0	0	0
	0	0	0
	0	0	0
History	94	23	71

Games since
	Main 94	Standard 23		Rapid 71		Blitz 0
Gender	Male
Age group	U12
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3644		1196		455
Male	2801		858		348
U12	579		205		67
U12 Male	405		134		52
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1190		610		248
Male	963		479		213
U12	214		126		47
U12 Male	153		88		39
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	48	23.5	48.96	-8.9	1264	1255.1
Standard	18	8	44.44	-47.2	1255	1207.7
Rapid	30	15.5	51.67	14.2	1269.4	1283.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	94	45	47.87	-18.1	1240.9	1222.8
Standard	23	10	43.48	-55.4	1238.7	1183.2
Rapid	71	35	49.3	-6	1241.6	1235.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1248.8	1188.8	1272	1200
2025-09-01	1248.8	1188.8	1272	1200
2025-08-01	1248.8	1188.8	1272	1200
2025-07-01	1255.4	1188.8	1298	1200
2025-06-01	1255.4	1188.8	1298	1200
2025-05-01	1231.8	1188.8	1269.5	1200
2025-04-01	1214.3	1188.8	1238.9	1200
2025-03-01	1195.3	1188.7	1199.2	1200
2025-02-01	1193.9	1189.1	1199.2	1200
2025-01-01	1201.6	1172.8	1225	1200
2024-12-01	1201.6	1172.8	1225	1200
2024-11-01	1191.8	1172.8	1220	1200
2024-10-01	1172	1172.8	1192.4	1200
2024-09-01	1172	1172.8	1192.4	1200
2024-08-01	1189.3	1200	1192.4	1200
2024-07-01	1176.9	1200	1164	1200
2024-06-01	1175.2	1200	1154.8	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	4th Curro Durbanville Rapid Open 2025 (Intermediate)	2025-07-19	2025-07-19	Rapid	Cape Town (WCT)	7	6	2	Yes	Analysis
2	St John's CBC Rapid 2025 (U10)	2025-05-24	2025-05-24	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
3	Rylib Autumn Slam 2025 (U12)	2025-04-26	2025-04-26	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
4	Hermanus Chess Club Open 2025 (U10)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	0	0	No	Analysis
5	Steinitz Festival 2025 (U12)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	7	4	Yes	Analysis
6	Cape of Good Hope Open 2025 (Intermediate)	2025-02-22	2025-02-23	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
7	CT Metro North Schools Chess Individual Trials 2025 (U11 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
8	Marie Delport Memorial 2025 (U12 Boys)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
9	2025 Kraaifontein Open Chess Championships (U12 Rapid)	2025-01-04	2025-01-04	Rapid	Cape Town (WCT)	6	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	4th Curro Durbanville Rapid Open 2025 (Intermediate)	2025-07-19	2025-07-19	Rapid	Cape Town (WCT)	7	6	2	Yes	Analysis
2	St John's CBC Rapid 2025 (U10)	2025-05-24	2025-05-24	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
3	Rylib Autumn Slam 2025 (U12)	2025-04-26	2025-04-26	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
4	Hermanus Chess Club Open 2025 (U10)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	0	0	No	Analysis
5	Steinitz Festival 2025 (U12)	2025-03-15	2025-03-15	Rapid	Cape Town (WCT)	7	7	4	Yes	Analysis
6	Cape of Good Hope Open 2025 (Intermediate)	2025-02-22	2025-02-23	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
7	CT Metro North Schools Chess Individual Trials 2025 (U11 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
8	Marie Delport Memorial 2025 (U12 Boys)	2025-01-25	2025-01-26	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
9	2025 Kraaifontein Open Chess Championships (U12 Rapid)	2025-01-04	2025-01-04	Rapid	Cape Town (WCT)	6	5	1.5	Yes	Analysis
10	Chess Challengers Championship 2024 (U10)	2024-11-23	2024-11-23	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
11	Laerskool Welgemoed Rapid 2024 (U10)	2024-10-19	2024-10-19	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
12	Spring Slam 2024 (U12)	2024-10-05	2024-10-05	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
13	2nd Young Minds Classic 2024 (Junior)	2024-08-10	2024-08-10	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
14	Curro Durbanville Chess Rapid Open 2024 (Beginner)	2024-07-13	2024-07-13	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
15	Rylib Winter Slam 2024 (Development)	2024-06-19	2024-06-19	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
16	PNPS Chess Challengers 2024 (U10)	2024-05-18	2024-05-18	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis
17	Steinitz Chess Festival 2024 (U10)	2024-05-11	2024-05-11	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Steinitz Festival 2025				Tournament Rylib Autumn Slam 2025
		date 2025-03-15	rnd 7	type Rapid	result 1	date 2025-04-26	rnd 4	type Rapid	result 1
		Opponent Janson, N (Nicholas)				Opponent Saban, E (Eesa)
2	3	Tournament St John's CBC Rapid 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-05-24	rnd 3	type Rapid	result 1
		Opponent Naidoo, T (Teshar)				Opponent Strydom, H (Hanru)
3	3	Tournament Marie Delport Memorial 2025				Tournament Marie Delport Memorial 2025
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-26	rnd 5	type Standard	result 1
		Opponent Venter, L (Logan)				Opponent Prinsloo, W (Willem)

#	Games	Start				End
1	3	Tournament Marie Delport Memorial 2025				Tournament Marie Delport Memorial 2025
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-26	rnd 5	type Standard	result 1
		Opponent Venter, L (Logan)				Opponent Prinsloo, W (Willem)
2	2	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-23	rnd 4	type Standard	result 1	date 2025-02-23	rnd 5	type Standard	result 1
		Opponent Labuschagne, M (Mieke)				Opponent Mayekiso, A (Akhule)
3	1	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro North Schools Chess Individual Trials 2025
		date 2025-02-09	rnd 6	type Standard	result 1	date 2025-02-09	rnd 6	type Standard	result 1
		Opponent Mupotsa, C (Clyde)				Opponent Mupotsa, C (Clyde)

#	Games	Start				End
1	5	Tournament Steinitz Festival 2025				Tournament Rylib Autumn Slam 2025
		date 2025-03-15	rnd 7	type Rapid	result 1	date 2025-04-26	rnd 4	type Rapid	result 1
		Opponent Janson, N (Nicholas)				Opponent Saban, E (Eesa)
2	3	Tournament St John's CBC Rapid 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-05-24	rnd 3	type Rapid	result 1
		Opponent Naidoo, T (Teshar)				Opponent Strydom, H (Hanru)
3	3	Tournament Chess Challengers Championship 2024				Tournament Chess Challengers Championship 2024
		date 2024-11-23	rnd 3	type Rapid	result 1	date 2024-11-23	rnd 5	type Rapid	result 1
		Opponent Vazirgiantzikis, A (Andreas)				Opponent Chen, D (David)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Steinitz Festival 2025				Tournament Rylib Autumn Slam 2025
		date 2025-03-15	rnd 7	type Rapid	result 1	date 2025-04-26	rnd 4	type Rapid	result 1
		Opponent Janson, N (Nicholas)				Opponent Saban, E (Eesa)
2	3	Tournament St John's CBC Rapid 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-05-24	rnd 3	type Rapid	result 1
		Opponent Naidoo, T (Teshar)				Opponent Strydom, H (Hanru)
3	3	Tournament Marie Delport Memorial 2025				Tournament Marie Delport Memorial 2025
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-26	rnd 5	type Standard	result 1
		Opponent Venter, L (Logan)				Opponent Prinsloo, W (Willem)

#	Games	Start				End
1	3	Tournament Marie Delport Memorial 2025				Tournament Marie Delport Memorial 2025
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-26	rnd 5	type Standard	result 1
		Opponent Venter, L (Logan)				Opponent Prinsloo, W (Willem)
2	2	Tournament Cape of Good Hope Open 2025				Tournament Cape of Good Hope Open 2025
		date 2025-02-23	rnd 4	type Standard	result 1	date 2025-02-23	rnd 5	type Standard	result 1
		Opponent Labuschagne, M (Mieke)				Opponent Mayekiso, A (Akhule)
3	1	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro North Schools Chess Individual Trials 2025
		date 2025-02-09	rnd 6	type Standard	result 1	date 2025-02-09	rnd 6	type Standard	result 1
		Opponent Mupotsa, C (Clyde)				Opponent Mupotsa, C (Clyde)

#	Games	Start				End
1	5	Tournament Steinitz Festival 2025				Tournament Rylib Autumn Slam 2025
		date 2025-03-15	rnd 7	type Rapid	result 1	date 2025-04-26	rnd 4	type Rapid	result 1
		Opponent Janson, N (Nicholas)				Opponent Saban, E (Eesa)
2	3	Tournament St John's CBC Rapid 2025				Tournament St John's CBC Rapid 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-05-24	rnd 3	type Rapid	result 1
		Opponent Naidoo, T (Teshar)				Opponent Strydom, H (Hanru)
3	3	Tournament Chess Challengers Championship 2024				Tournament Chess Challengers Championship 2024
		date 2024-11-23	rnd 3	type Rapid	result 1	date 2024-11-23	rnd 5	type Rapid	result 1
		Opponent Vazirgiantzikis, A (Andreas)				Opponent Chen, D (David)

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	Johnson ,B (Brian)	3	0	-425	0	0	0	3	0	-425	0	0	0
1	Johnson ,B (Brian)	3	1347.6	922.6	0	0	0	3	1364	922.6	0	0	0
2	Wiggill ,H (Handre)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Wiggill ,H (Handre)	2	1377.9	952.9	1	1289.2	952.9	1	1323.3	952.9	0	0	0
3	Krengo ,O (Olwakhe)	2	2	425	0	0	0	2	2	425	0	0	0
3	Krengo ,O (Olwakhe)	2	1247.3	1672.3	0	0	0	2	1246.9	1672.3	0	0	0
4	Mayekiso ,A (Akhule)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mayekiso ,A (Akhule)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Sonday ,R (Rayyan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Sonday ,R (Rayyan)	1	1153.9	728.9	1	1063.2	728.9	0	0	0	0	0	0
6	Read ,H (Hugo Axel)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Read ,H (Hugo Axel)	1	1189.9	764.9	0	0	0	1	1183.4	764.9	0	0	0
7	Nel ,J (Joshua)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Nel ,J (Joshua)	1	1429.9	1004.9	0	0	0	1	1515.8	1004.9	0	0	0
8	Ghamlouche ,C (Caryn)	1	1	425	0	0	0	1	1	425	0	0	0
8	Ghamlouche ,C (Caryn)	1	1192.1	1617.1	0	0	0	1	1190.1	1617.1	0	0	0
9	Kruger ,W (Willem Lodewyk Kruger)	1	1	425	0	0	0	1	1	425	0	0	0
9	Kruger ,W (Willem Lodewyk Kruger)	1	1234.1	1659.1	0	0	0	1	1200	1659.1	0	0	0
10	Baker ,C (Chester)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Baker ,C (Chester)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Nel, M (Mattheus Johan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms