Chess South Africa Ratings Database

PLAYER PAGE

Personal

Carstens, MJ (Mathys Johannes)

Chess SA id

1100314871

FIDE id

Date of birth

2010-01-18 (U16)

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

913.3

Item	Main	Standard	Rapid	Blitz
Rating	1191.4	1190.9	1199.5	1200
Raw rating	1164	1160.3	1199.5	1200
Weighted rating	1191.4	1190.9	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	-2.5	-2.8	0	0
New rating	1188.9	1188.1	1199.5	1200
Analysis
Rating	1191.4	1190.9	1199.5	1200
Raw rating	1164	1160.3	1199.5	1200
Weighted rating	1191.4	1190.9	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	1188.9	1188.1	1199.4	1200
New weighted performance	0	0	0	0
Temp new rating	1188.9	1188.1	1199.5	1200
Temp new rating +/-	-2.5	-2.8	0	0
Final new rating +/-	-2.5	-2.8	0	0
New rating	1188.9	1188.1	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
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
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	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
2024-01-01	1200	1200	1200	1200
2023-12-01	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	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

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

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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