Chess South Africa Ratings Database

PLAYER PAGE

Personal

Breytenbach, D (Dewald)

Chess SA id

1110154017

FIDE id

Date of birth

2011-10-13 (U16)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-10-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1348.7	1325.7	1291.4	1200
Raw rating	1347.6	1325.5	1291.4	1200
Weighted rating	1348.7	1325.7	1286.8	1200
Weighted performance	1143.2	1092.3	0	0
Floor	877.8	852.3	791.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	134.4	138.7	145.6	165.8
Highest rating	1423.5 2023-06-01	1422.1 2023-05-01	1625.6 2024-03-01	1200 2018-10-01
Highest raw rating	1377.8 2024-10-01	1352.3 2024-10-01	1291.4 2024-04-01	1200 2024-02-01
Highest weighted rating	1347.6 2025-08-01	1325.5 2025-08-01	1282.9 2025-08-01	1200 2018-10-01
Highest weighted performance	1423.5 2023-06-01	1422.1 2023-05-01	1625.6 2024-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.3	0	0	0
New rating	1349	1325.7	1291.4	1200
Analysis
Rating	1348.7	1325.7	1291.4	1200
Raw rating	1347.6	1325.5	1291.4	1200
Weighted rating	1348.7	1325.7	1286.8
Weighted performance	1143.2	1092.3	0
K-factor	36	36	36	36
Floor	877.8	852.3	791.4	700
Max/Min rating change allowed	134.4	138.7	145.6	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	1347.6	1325.5	1291.4	1200
New weighted rating	1349	1325.7	1288.4	1200
New weighted performance	1142.7	1091.8	0	0
Temp new rating	1349	1325.7	1291.4	1200
Temp new rating +/-	0.3	0	0	0
Final new rating +/-	0.3	0	0	0
New rating	1349	1325.7	1291.4	1200
New K-factor	36	36	36	36
New floor	877.8	852.3	791.4	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	20	15	5
	20	20	0
	0	0	0
	0	0	0
History	40	35	5

Games since
	Main 20	Standard 15		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	40	25.5	63.75	116.9	1290.5	1407.4
Standard	35	20.5	58.57	72.9	1292.7	1365.6
Rapid	5	5	100	425	1274.7	1699.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1347.6	1325.5	1291.4	1200
2025-09-01	1347.6	1325.5	1291.4	1200
2025-08-01	1347.6	1325.5	1291.4	1200
2025-07-01	1346.8	1325.3	1291.4	1200
2025-06-01	1346	1325.2	1291.4	1200
2025-05-01	1345.5	1324.9	1291.4	1200
2025-04-01	1345.5	1324.6	1291.4	1200
2025-03-01	1345.5	1323.9	1291.4	1200
2025-02-01	1345.5	1322.8	1291.4	1200
2025-01-01	1345.5	1320.3	1291.4	1200
2024-12-01	1345.5	1320.3	1291.4	1200
2024-11-01	1345.5	1320.3	1291.4	1200
2024-10-01	1377.8	1352.3	1291.4	1200
2024-09-01	1363.8	1327.5	1291.4	1200
2024-08-01	1363.8	1327.5	1291.4	1200
2024-07-01	1363.8	1327.5	1291.4	1200
2024-06-01	1363.8	1327.5	1291.4	1200
2024-08-01	1363.8	1327.5	1291.4	1200
2024-04-01	1363.8	1327.5	1291.4	1200
2024-03-01	1313.7	1327.5	1200	1200
2024-02-01	1313.7	1327.5	1200	1200
2024-01-01	1302.5	1314.9	1200	1200
2023-12-01	1302.5	1314.9	1200	1200
2023-11-01	1302.5	1314.9	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	Gauteng Top Schools 2024 (U13 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
2	Ekurhuleni North Schools Finals - Teams 2024 (U13 Open)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
3	Kempton Park Cluster Individuals 2024 (U13 Boys)	2024-03-02	2024-03-02	Rapid	Ekurhuleni (GE)	5	5	5	Yes	Analysis
4	2024 Gauteng Inter-Region Chess Championship (U14A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
5	2023 Ekurhuleni North District Schools Finals (U13)	2023-07-29	2023-07-29	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
6	Ekurhuleni Chess Trial 3 2023 (U14)	2023-06-17	2023-06-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
7	Ekurhuleni North Schools Individual Finals 2023 (U13 Boys)	2023-05-12	2023-05-12	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
8	Ekurhuleni Trials 2 2023 (U14)	2023-04-22	2023-04-22	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	10	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-01-14	rnd 4	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Fourie, JM (Johannes Marthinus)				Opponent Zono, L (Lwazi)
2	3	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Gauteng Top Schools 2024
		date 2024-08-03	rnd 5	type Standard	result 1	date 2024-10-04	rnd 2	type Standard	result 0.5
		Opponent Mashego, T (Tsepiso)				Opponent Joubert, J (Jonathan)
3	3	Tournament Ekurhuleni Chess Trial 3 2023				Tournament Ekurhuleni Chess Trial 3 2023
		date 2023-06-17	rnd 2	type Standard	result 1	date 2023-06-17	rnd 4	type Standard	result 1
		Opponent Chisango, T (Trafford)				Opponent De Vasconcelos, T (Tiaana)

#	Games	Start				End
1	5	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-01-14	rnd 4	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Fourie, JM (Johannes Marthinus)				Opponent Zono, L (Lwazi)
2	3	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Gauteng Top Schools 2024
		date 2024-08-03	rnd 5	type Standard	result 1	date 2024-10-04	rnd 2	type Standard	result 0.5
		Opponent Mashego, T (Tsepiso)				Opponent Joubert, J (Jonathan)
3	3	Tournament Ekurhuleni Chess Trial 3 2023				Tournament Ekurhuleni Chess Trial 3 2023
		date 2023-06-17	rnd 2	type Standard	result 1	date 2023-06-17	rnd 4	type Standard	result 1
		Opponent Chisango, T (Trafford)				Opponent De Vasconcelos, T (Tiaana)

#	Games	Start				End
1	5	Tournament Kempton Park Cluster Individuals 2024				Tournament Kempton Park Cluster Individuals 2024
		date 2024-03-02	rnd 1	type Rapid	result 1	date 2024-03-02	rnd 5	type Rapid	result 1
		Opponent Mda, N (Ngawo)				Opponent Robinson, E (Ethan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-01-14	rnd 4	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Fourie, JM (Johannes Marthinus)				Opponent Magana, K (Kgopotso)
2	3	Tournament Ekurhuleni Chess Trial 3 2023				Tournament Ekurhuleni Chess Trial 3 2023
		date 2023-06-17	rnd 2	type Standard	result 1	date 2023-06-17	rnd 4	type Standard	result 1
		Opponent Chisango, T (Trafford)				Opponent De Vasconcelos, T (Tiaana)
3	3	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-05-12	rnd 3	type Standard	result 1	date 2023-05-12	rnd 5	type Standard	result 1
		Opponent Kubjana, L (Lethabo)				Opponent Mpahlehle, R (Reamogetswe)

#	Games	Start				End
1	3	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-01-14	rnd 4	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Fourie, JM (Johannes Marthinus)				Opponent Magana, K (Kgopotso)
2	3	Tournament Ekurhuleni Chess Trial 3 2023				Tournament Ekurhuleni Chess Trial 3 2023
		date 2023-06-17	rnd 2	type Standard	result 1	date 2023-06-17	rnd 4	type Standard	result 1
		Opponent Chisango, T (Trafford)				Opponent De Vasconcelos, T (Tiaana)
3	3	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-05-12	rnd 3	type Standard	result 1	date 2023-05-12	rnd 5	type Standard	result 1
		Opponent Kubjana, L (Lethabo)				Opponent Mpahlehle, R (Reamogetswe)

#	Games	Start				End
1	5	Tournament Kempton Park Cluster Individuals 2024				Tournament Kempton Park Cluster Individuals 2024
		date 2024-03-02	rnd 1	type Rapid	result 1	date 2024-03-02	rnd 5	type Rapid	result 1
		Opponent Mda, N (Ngawo)				Opponent Robinson, E (Ethan)

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 ,CA (Cathri Amari)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Botha ,CA (Cathri Amari)	2	1503.3	1290.8	2	1500.6	1290.8	0	0	0	0	0	0
2	Stone ,D (Damian)	1	1	425	1	1	425	0	0	0	0	0	0
2	Stone ,D (Damian)	1	1214.6	1639.6	1	1214	1639.6	0	0	0	0	0	0
3	Mokoa ,L (Lehlohonolo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mokoa ,L (Lehlohonolo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Mamayila ,K (Kagiso)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mamayila ,K (Kagiso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Bijker ,W (Waldo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Bijker ,W (Waldo)	1	1450.6	1025.6	1	1435.5	1025.6	0	0	0	0	0	0
6	Kubjana ,L (Lethabo)	1	1	425	1	1	425	0	0	0	0	0	0
6	Kubjana ,L (Lethabo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Liebenberg ,M (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
7	Liebenberg ,M (Michael)	1	1215.3	1640.3	1	1209.9	1640.3	0	0	0	0	0	0
8	Baijang ,T (Tiego)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Baijang ,T (Tiego)	1	1543.9	1118.9	1	1420.1	1118.9	0	0	0	0	0	0
9	Mcphail ,M (Matthew)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mcphail ,M (Matthew)	1	1380.1	955.1	1	1375.6	955.1	0	0	0	0	0	0
10	Redelinghuys ,J (Julian)	1	1	425	1	1	425	0	0	0	0	0	0
10	Redelinghuys ,J (Julian)	1	1188.1	1613.1	1	1185.2	1613.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Breytenbach, D (Dewald)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms