Chess South Africa Ratings Database

PLAYER PAGE

Personal

Muller, A (Adrian)

Chess SA id

1070149735

FIDE id

Date of birth

2007-01-19 (U20)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1469.9	1300.6	1416.6	1200
Raw rating	1469.9	1300.6	1416.6	1200
Weighted rating	1398	1279.5	1366.7	1200
Weighted performance	1283.8	0	0	0
Floor	969.9	800.6	916.6	700
K-factor	32	36	32	36
Min/Max rating change allowed	112.9	143.7	121.8	165.8
Highest rating	1469.9 2025-04-01	1300.6 2025-04-01	1442.5 2024-05-01	1200 2018-10-01
Highest raw rating	1469.9 2025-04-01	1300.6 2025-04-01	1416.6 2025-03-01	1200 2024-03-01
Highest weighted rating	1375.3 2025-08-01	1270.1 2025-08-01	1350.5 2025-08-01	1200 2018-10-01
Highest weighted performance	1469.9 2025-04-01	1269 2024-08-01	1442.5 2024-05-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1469.9	1300.6	1416.6	1200
Analysis
Rating	1469.9	1300.6	1416.6	1200
Raw rating	1469.9	1300.6	1416.6	1200
Weighted rating	1398	1279.5	1366.7
Weighted performance	1283.8	0	0
K-factor	32	36	32	36
Floor	969.9	800.6	916.6	700
Max/Min rating change allowed	112.9	143.7	121.8	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	1469.9	1300.6	1416.6	1200
New weighted rating	1407.9	1283.4	1373.7	1200
New weighted performance	1283.3	0	0	0
Temp new rating	1469.9	1300.6	1416.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1469.9	1300.6	1416.6	1200
New K-factor	32	36	32	36
New floor	969.9	800.6	916.6	700

Item	Main	Standard	Rapid
	0	0	0
	8	3	5
	23	12	11
	16	12	4
	0	0	0
	0	0	0
History	47	27	20

Games since
	Main 31	Standard 15		Rapid 16		Blitz 0
Gender	Male
Age group	U20
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	8	7.5	93.75	371.9	1254.8	1626.6
Standard	3	2.5	83.33	283.3	1248	1531.3
Rapid	5	5	100	425	1258.8	1683.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	47	30.5	64.89	126.6	1279.2	1405.8
Standard	27	15.5	57.41	63	1281.5	1344.5
Rapid	20	15	75	212.5	1276.1	1488.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1469.9	1300.6	1416.6	1200
2025-09-01	1469.9	1300.6	1416.6	1200
2025-08-01	1469.9	1300.6	1416.6	1200
2025-07-01	1469.9	1300.6	1416.6	1200
2025-06-01	1469.9	1300.6	1416.6	1200
2025-05-01	1469.9	1300.6	1416.6	1200
2025-04-01	1469.9	1300.6	1416.6	1200
2025-03-01	1425	1291.7	1416.6	1200
2025-02-01	1345.8	1291.7	1317	1200
2025-01-01	1345.8	1291.7	1317	1200
2024-12-01	1345.8	1291.7	1317	1200
2024-11-01	1345.8	1291.7	1317	1200
2024-10-01	1345.8	1291.7	1317	1200
2024-09-01	1345.8	1291.7	1317	1200
2024-08-01	1299.2	1217.2	1317	1200
2024-07-01	1299.2	1217.2	1317	1200
2024-06-01	1299.2	1217.2	1317	1200
2024-08-01	1291.4	1217.2	1304.4	1200
2024-04-01	1291.4	1217.2	1304.4	1200
2024-03-01	1260.9	1158.2	1304.4	1200
2024-02-01	1191.3	1158.2	1198	1200
2024-01-01	1191.3	1158.2	1198	1200
2023-12-01	1191.3	1158.2	1198	1200
2023-11-01	1191.3	1158.2	1198	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	West Coast Schools Chess Prestige 2025 (U19)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	3	2.5	Yes	Analysis
2	Lower West Coast Prestige 2025 (U19 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	West Coast Schools Chess Prestige 2025 (U19)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	3	2.5	Yes	Analysis
2	Lower West Coast Prestige 2025 (U19 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	5	Yes	Analysis
3	Pedro Booyse Top Schools Championships 2024 (U18)	2024-07-20	2024-07-20	Standard	West Coast (WCU)	6	6	5	Yes	Analysis
4	Lower West Top Schools 2024 (U18)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	1	1	Yes	Analysis
5	Western Cape HS Individuals Championship 2024 (U18 Boys)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	2.5	Yes	Analysis
6	West Coast Schools Chess Prestige Championships 2024 (U18+U20 Boys)	2024-02-24	2024-02-24	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
7	Lower West Coast Schools Chess Prestige 2024 (U18 Boys)	2024-02-17	2024-02-17	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
8	Western Cape HS Individuals 2023 (U17 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
9	West Coast High School Championships 2023 (U17 Boys)	2023-02-18	2023-02-18	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
10	Lower West Coast High Schools Prestige 2023 (U17 Boys)	2023-02-11	2023-02-11	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis

#	Games	Start				End
1	11	Tournament Pedro Booyse Top Schools Championships 2024				Tournament West Coast Schools Chess Prestige 2025
		date 2024-07-20	rnd 4	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 0.5
		Opponent Klein, C (Calvin)				Opponent Flink, M (Marc-Ethan)
2	4	Tournament Western Cape HS Individuals Championship 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-03-22	rnd 6	type Standard	result 1	date 2024-07-20	rnd 2	type Standard	result 1
		Opponent Ehlers, R (Ruben)				Opponent Clemitson, A (Alexander)
3	4	Tournament Lower West Coast Schools Chess Prestige 2024				Tournament Lower West Coast Schools Chess Prestige 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 4	type Rapid	result 1
		Opponent Consalves, D (Damian)				Opponent Heyns, R (Ruben)

#	Games	Start				End
1	6	Tournament Pedro Booyse Top Schools Championships 2024				Tournament West Coast Schools Chess Prestige 2025
		date 2024-07-20	rnd 4	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 0.5
		Opponent Klein, C (Calvin)				Opponent Flink, M (Marc-Ethan)
2	3	Tournament Western Cape HS Individuals Championship 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-03-22	rnd 6	type Standard	result 1	date 2024-07-20	rnd 2	type Standard	result 1
		Opponent Ehlers, R (Ruben)				Opponent Clemitson, A (Alexander)
3	2	Tournament Western Cape HS Individuals Championship 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-21	rnd 1	type Standard	result 1	date 2024-03-21	rnd 2	type Standard	result 0.5
		Opponent Dicks, D (Drake)				Opponent Jonkers, T (Tristan)

#	Games	Start				End
1	6	Tournament Lower West Top Schools 2024				Tournament Lower West Coast Prestige 2025
		date 2024-05-11	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Plint, G (Gordon)				Opponent Du Plessis, S (Stefan)
2	5	Tournament Lower West Coast High Schools Prestige 2023				Tournament Lower West Coast Schools Chess Prestige 2024
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2024-02-17	rnd 4	type Rapid	result 1
		Opponent Ruiters, A (Adriaan)				Opponent Heyns, R (Ruben)
3	2	Tournament West Coast Schools Chess Prestige Championships 2024				Tournament West Coast Schools Chess Prestige Championships 2024
		date 2024-02-24	rnd 1	type Rapid	result 1	date 2024-02-24	rnd 2	type Rapid	result 1
		Opponent Diedericks, T (Teswell)				Opponent Koordom, M (Montino)

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament Pedro Booyse Top Schools Championships 2024				Tournament West Coast Schools Chess Prestige 2025
		date 2024-07-20	rnd 4	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Klein, C (Calvin)				Opponent Maarman, R (Royaldhino)
2	4	Tournament Western Cape HS Individuals Championship 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-03-22	rnd 6	type Standard	result 1	date 2024-07-20	rnd 2	type Standard	result 1
		Opponent Ehlers, R (Ruben)				Opponent Clemitson, A (Alexander)
3	4	Tournament Lower West Coast Schools Chess Prestige 2024				Tournament Lower West Coast Schools Chess Prestige 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 4	type Rapid	result 1
		Opponent Consalves, D (Damian)				Opponent Heyns, R (Ruben)

#	Games	Start				End
1	5	Tournament Pedro Booyse Top Schools Championships 2024				Tournament West Coast Schools Chess Prestige 2025
		date 2024-07-20	rnd 4	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Klein, C (Calvin)				Opponent Maarman, R (Royaldhino)
2	3	Tournament Western Cape HS Individuals Championship 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-03-22	rnd 6	type Standard	result 1	date 2024-07-20	rnd 2	type Standard	result 1
		Opponent Ehlers, R (Ruben)				Opponent Clemitson, A (Alexander)
3	2	Tournament West Coast High School Championships 2023				Tournament West Coast High School Championships 2023
		date 2023-02-18	rnd 1	type Standard	result 1	date 2023-02-18	rnd 2	type Standard	result 1
		Opponent Richards, E (Ezekiel)				Opponent Filander, J (Jayrin)

#	Games	Start				End
1	6	Tournament Lower West Top Schools 2024				Tournament Lower West Coast Prestige 2025
		date 2024-05-11	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Plint, G (Gordon)				Opponent Du Plessis, S (Stefan)
2	5	Tournament Lower West Coast High Schools Prestige 2023				Tournament Lower West Coast Schools Chess Prestige 2024
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2024-02-17	rnd 4	type Rapid	result 1
		Opponent Ruiters, A (Adriaan)				Opponent Heyns, R (Ruben)
3	2	Tournament West Coast Schools Chess Prestige Championships 2024				Tournament West Coast Schools Chess Prestige Championships 2024
		date 2024-02-24	rnd 1	type Rapid	result 1	date 2024-02-24	rnd 2	type Rapid	result 1
		Opponent Diedericks, T (Teswell)				Opponent Koordom, M (Montino)

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	Cloete ,J (Jayden)	2	1	0	2	1	0	0	0	0	0	0	0
1	Cloete ,J (Jayden)	2	1301.8	1301.8	2	1263.4	1301.8	0	0	0	0	0	0
2	Clemitson ,A (Alexander)	2	2	425	2	2	425	0	0	0	0	0	0
2	Clemitson ,A (Alexander)	2	1178.9	1603.9	2	1193.2	1603.9	0	0	0	0	0	0
3	Klein ,C (Calvin)	2	2	425	2	2	425	0	0	0	0	0	0
3	Klein ,C (Calvin)	2	1231.3	1656.3	2	1228.5	1656.3	0	0	0	0	0	0
4	Koegelenberg ,D (Daniel)	2	2	425	2	2	425	0	0	0	0	0	0
4	Koegelenberg ,D (Daniel)	2	1157.8	1582.8	2	1155.2	1582.8	0	0	0	0	0	0
5	Maarman ,R (Royaldhino)	2	2	425	1	1	425	1	1	425	0	0	0
5	Maarman ,R (Royaldhino)	2	1193.1	1618.1	1	1113.3	1618.1	1	1241.1	1618.1	0	0	0
6	Opperman ,M (Matthew)	2	0	-425	0	0	0	2	0	-425	0	0	0
6	Opperman ,M (Matthew)	2	1529.4	1104.4	0	0	0	2	1455.2	1104.4	0	0	0
7	Cotter ,W (Wian)	1	1	425	1	1	425	0	0	0	0	0	0
7	Cotter ,W (Wian)	1	875.9	1300.9	1	690.4	1300.9	0	0	0	0	0	0
8	Mdluli ,B (Ben)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mdluli ,B (Ben)	1	1207.6	1632.6	1	1200	1632.6	0	0	0	0	0	0
9	Cloete ,H (Howard)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Cloete ,H (Howard)	1	1225.9	800.9	1	969.2	800.9	0	0	0	0	0	0
10	Visser ,J (Jp)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Visser ,J (Jp)	1	1125.9	700.9	1	820.8	700.9	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

Muller, A (Adrian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms