Chess South Africa Ratings Database

PLAYER PAGE

Personal

Carstens, MJ (Mathys Johannes)

Chess SA id

1100314871

FIDE id

Date of birth

2010-01-18 (U18)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1186.5	1185.4	1199.5	1200
Raw rating	1164	1160.3	1199.5	1200
Weighted rating	1186.5	1185.4	1199.4	1200
Weighted performance	0	0	0	0
Floor	699.9	700	699.9	700
K-factor	40	36	40	36
Min/Max rating change allowed	174.5	175.5	165.9	165.8
Highest rating	1199.9 2025-02-10	1200 2025-03-01	1199.9 2025-02-10	1200 2025-03-01
Highest raw rating	1199.9 2025-02-10	1200 2025-03-01	1199.9 2025-02-10	1200 2025-03-01
Highest weighted rating	1199.9 2025-02-10	1200 2025-03-01	1199.9 2025-02-10	1200 2025-03-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.3	-2.5	0	0
New rating	1184.2	1182.9	1199.5	1200
Analysis
Rating	1186.5	1185.4	1199.5	1200
Raw rating	1164	1160.3	1199.5	1200
Weighted rating	1186.5	1185.4	1199.4
Weighted performance	0	0	0
K-factor	40	36	40	36
Floor	699.9	700	699.9	700
Max/Min rating change allowed	174.5	175.5	165.9	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	1164	1160.3	1199.5	1200
New weighted rating	1184.2	1182.9	1199.4	1200
New weighted performance	0	0	0	0
Temp new rating	1184.2	1182.9	1199.5	1200
Temp new rating +/-	-2.3	-2.5	0	0
Final new rating +/-	-2.3	-2.5	0	0
New rating	1184.2	1182.9	1199.5	1200
New K-factor	40	36	40	36
New floor	699.9	700	699.9	700

Item	Main	Standard	Rapid
	0	0	0
	16	4	12
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	16	4	12

Games since
	Main 16	Standard 4		Rapid 12		Blitz 0
Gender	Male
Age group	U16
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	16	5.5	34.38	-132.8	1168.2	1035.3
Standard	4	1	25	-212.5	1183.9	971.4
Rapid	12	4.5	37.5	-106.2	1162.9	1056.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	16	5.5	34.38	-132.8	1168.2	1035.3
Standard	4	1	25	-212.5	1183.9	971.4
Rapid	12	4.5	37.5	-106.2	1162.9	1056.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1164	1160.3	1199.5	1200
2025-11-30	1164	1160.3	1199.5	1200
2025-11-01	1164	1160.3	1199.5	1200
2025-09-30	1164	1160.3	1199.5	1200
2025-09-01	1164	1160.3	1199.5	1200
2025-08-01	1199.6	1200	1199.5	1200
2025-07-01	1199.6	1200	1199.5	1200
2025-06-01	1199.6	1200	1199.5	1200
2025-05-01	1199.6	1200	1199.5	1200
2025-04-01	1199.4	1200	1199.2	1200
2025-03-01	1196.1	1200	1194.7	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	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

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	Overberg Top Schools 2025 (U15-U19)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
2	Overberg Schools - HS Trials 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	2	Yes	Analysis
3	Curro Hermanus Summer Open 2025 (U15)	2025-02-08	2025-02-08	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Curro Hermanus Summer Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-08	rnd 3	type Rapid	result 0.5	date 2025-02-08	rnd 5	type Rapid	result 1
		Opponent Benjamin, H (Hanekom)				Opponent Diederiks, K (Katryn)
2	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Sylvester, D (Deo-nique)				Opponent Kanengoni, A (Allan)
3	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Benade, S (Simon)				Opponent Benade, S (Simon)

#	Games	Start				End
1	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Benade, S (Simon)				Opponent Benade, S (Simon)

#	Games	Start				End
1	3	Tournament Curro Hermanus Summer Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-08	rnd 3	type Rapid	result 0.5	date 2025-02-08	rnd 5	type Rapid	result 1
		Opponent Benjamin, H (Hanekom)				Opponent Diederiks, K (Katryn)
2	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Sylvester, D (Deo-nique)				Opponent Kanengoni, A (Allan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Sylvester, D (Deo-nique)				Opponent Kanengoni, A (Allan)
2	2	Tournament Curro Hermanus Summer Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-08	rnd 4	type Rapid	result 1	date 2025-02-08	rnd 5	type Rapid	result 1
		Opponent Harris, K (Kingston Ray)				Opponent Diederiks, K (Katryn)
3	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Benade, S (Simon)				Opponent Benade, S (Simon)

#	Games	Start				End
1	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Benade, S (Simon)				Opponent Benade, S (Simon)

#	Games	Start				End
1	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Sylvester, D (Deo-nique)				Opponent Kanengoni, A (Allan)
2	2	Tournament Curro Hermanus Summer Open 2025				Tournament Curro Hermanus Summer Open 2025
		date 2025-02-08	rnd 4	type Rapid	result 1	date 2025-02-08	rnd 5	type Rapid	result 1
		Opponent Harris, K (Kingston Ray)				Opponent Diederiks, K (Katryn)

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	Pietersen ,M (Marlin)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Pietersen ,M (Marlin)	1	1199.8	774.8	1	1199.8	774.8	0	0	0	0	0	0
2	Byrne ,R (Russel)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Byrne ,R (Russel)	1	1142.9	717.9	1	1118.9	717.9	0	0	0	0	0	0
3	Benade ,S (Simon)	1	1	425	1	1	425	0	0	0	0	0	0
3	Benade ,S (Simon)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Van Uytsel ,H (Hanco)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Van Uytsel ,H (Hanco)	1	1192.8	767.8	1	1192.4	767.8	0	0	0	0	0	0
5	Hendricks ,L (Lakeisha)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Hendricks ,L (Lakeisha)	1	1197.6	772.6	0	0	0	1	1218.4	772.6	0	0	0
6	Sylvester ,D (Deo-nique)	1	1	425	0	0	0	1	1	425	0	0	0
6	Sylvester ,D (Deo-nique)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Collins ,X (Xiane)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Collins ,X (Xiane)	1	1096.9	671.9	0	0	0	1	1132.5	671.9	0	0	0
8	Swart ,E (Eon)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Swart ,E (Eon)	1	1163.2	738.2	0	0	0	1	1241	738.2	0	0	0
9	Diederiks ,K (Katryn)	1	1	425	0	0	0	1	1	425	0	0	0
9	Diederiks ,K (Katryn)	1	1084.8	1509.8	0	0	0	1	1105.7	1509.8	0	0	0
10	Harris ,K (Kingston Ray)	1	1	425	0	0	0	1	1	425	0	0	0
10	Harris ,K (Kingston Ray)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Carstens, MJ (Mathys Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms