Chess South Africa Ratings Database

PLAYER PAGE

Personal

Muller, A (Andreas)

Chess SA id

1130137118

FIDE id

Date of birth

2013-06-17 (U14)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1236.9	1155.2	1284.8	1200
Raw rating	1236.9	1155.2	1280.6	1200
Weighted rating	1222.3	1146.4	1284.8	1200
Weighted performance	1140.1	991.1	1157.6	0
Floor	748.7	700	797.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.3	176.8	147.8	165.8
Highest rating	1251.9 2024-05-01	1200 2018-10-01	1329.4 2024-04-01	1200 2018-10-01
Highest raw rating	1248.7 2024-05-01	1200 2020-01-01	1297.3 2024-05-01	1200 2024-02-01
Highest weighted rating	1248.7 2024-09-01	1200 2018-10-01	1284.7 2025-09-30	1200 2018-10-01
Highest weighted performance	1251.9 2024-05-01	1200 2020-01-01	1329.4 2024-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-0.3	0
New rating	1236.9	1155.2	1284.5	1200
Analysis
Rating	1236.9	1155.2	1284.8	1200
Raw rating	1236.9	1155.2	1280.6	1200
Weighted rating	1222.3	1146.4	1284.8
Weighted performance	1140.1	991.1	1157.6
K-factor	36	36	36	36
Floor	748.7	700	797.3	700
Max/Min rating change allowed	157.3	176.8	147.8	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	1236.9	1155.2	1280.6	1200
New weighted rating	1223.9	1147.1	1284.5	1200
New weighted performance	1132	983.8	1149.3	0
Temp new rating	1236.9	1155.2	1284.5	1200
Temp new rating +/-	0	0	-0.3	0
Final new rating +/-	0	0	-0.3	0
New rating	1236.9	1155.2	1284.5	1200
New K-factor	36	36	36	36
New floor	748.7	700	797.3	700

Item	Main	Standard	Rapid
	0	0	0
	34	10	24
	34	22	12
	13	2	11
	0	0	0
	0	0	0
History	81	34	47

Games since
	Main 68	Standard 32		Rapid 36		Blitz 0
Gender	Male
Age group	U14
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3849		1276		107
Male	2918		918		70
U14	745		249		21
U14 Male	524		160		12
Standard
	RSA		Province		Region
Overall	4318		1217		81
Male	3185		819		51
U14	864		235		20
U14 Male	588		136		11
Rapid
	RSA		Province		Region
Overall	1167		589		71
Male	942		470		50
U14	263		139		16
U14 Male	192		103		10
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	34	15	44.12	-50	1325	1275
Standard	10	3.5	35	-127.5	1364.5	1237
Rapid	24	11.5	47.92	-17.7	1308.6	1290.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	81	37	45.68	-36.7	1275	1238.2
Standard	34	11	32.35	-150	1290.9	1140.9
Rapid	47	26	55.32	45.2	1263.5	1308.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1236.9	1155.2	1280.6	1200
2025-11-30	1236.9	1155.2	1280.6	1200
2025-11-01	1236.9	1155.2	1280.6	1200
2025-09-30	1236.9	1155.2	1280.6	1200
2025-09-01	1230.3	1155.2	1283.5	1200
2025-08-01	1230.3	1155.2	1283.5	1200
2025-07-01	1230.3	1155.2	1282.2	1200
2025-06-01	1230.3	1155.2	1280.7	1200
2025-05-01	1241.5	1159.5	1278.9	1200
2025-04-01	1241.5	1159.5	1276.9	1200
2025-03-01	1230.9	1139.8	1274.8	1200
2025-02-01	1191.8	1137.3	1297.3	1200
2025-01-01	1166.5	1094	1297.3	1200
2024-12-01	1166.5	1094	1297.3	1200
2024-11-01	1166.5	1094	1297.3	1200
2024-10-01	1166.5	1094	1297.3	1200
2024-09-01	1213.4	1147.2	1297.3	1200
2024-11-01	1213.4	1147.2	1297.3	1200
2024-07-01	1241.8	1176.4	1297.3	1200
2024-06-01	1241.8	1176.4	1297.3	1200
2024-05-01	1248.7	1173.2	1297.3	1200
2024-04-01	1233.6	1173.2	1272.8	1200
2024-03-01	1190.7	1160	1240.4	1200
2024-02-01	1190.7	1160	1240.4	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	Kingsway Chess Open 2025 (U12)	2025-09-20	2025-09-20	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
2	Western Cape Schools Individual Championship 2025 (U13 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	1.5	Yes	Analysis
3	Overberg Schools - PS Closed 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
4	Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
5	Laerskool Welgemoed Rapid 2025 (U14)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis
6	Overberg Schools & Federation Open 2025 (U13)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
7	Overberg GP Invitational Day 1 2024 (B)	2024-09-26	2024-09-26	Standard	Overberg (WOS)	5	0	0	No	Analysis
8	Western Cape Top Schools Championship 2024 (U11 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	1	Yes	Analysis
9	Overberg Schools - Top Schools 2024 (U11 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
10	Western Cape PS Individuals Championship 2024 (U11 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
11	Hermanus Chess Club Open 2024 (Development)	2024-04-20	2024-04-20	Rapid	Overberg (WOS)	7	7	4.5	Yes	Analysis
12	Overberg Schools - PS Closed 2024 (U11 Boys)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
13	Overberg Schools - PS Trials Region 3 2024 (U11 Boys)	2024-03-02	2024-03-02	Rapid	Overberg (WOS)	5	5	3.5	Yes	Analysis
14	Kingsway Open 2023 (U10)	2023-10-28	2023-10-28	Rapid	Overberg (WOS)	5	5	4	Yes	Analysis
15	Overberg School Chess Closed Tournament 2023 (U11 Boys)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	2	0	Yes	Analysis
16	Overberg Primary School Trials (Region 2)	2023-02-24	2023-03-10	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament Kingsway Open 2023				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2023-10-28	rnd 2	type Rapid	result 1	date 2024-03-02	rnd 2	type Rapid	result 1
		Opponent Mdaka, A (Asenathi)				Opponent Zimbler, A (Alexander)
2	3	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Alexander, D (Deorin)				Opponent Reich, E (Ethan)
3	3	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 2	type Rapid	result 1	date 2025-02-15	rnd 4	type Rapid	result 0.5
		Opponent Van Staden, C (Chris)				Opponent Copley, M (Murray)

#	Games	Start				End
1	2	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Von Wielligh, S (Sven)				Opponent Azar, C (Christopher)
2	2	Tournament Overberg Schools - PS Closed 2024				Tournament Overberg Schools - PS Closed 2024
		date 2024-03-16	rnd 3	type Standard	result 0.5	date 2024-03-16	rnd 4	type Standard	result 1
		Opponent Booysen, J (Joseph)				Opponent Ellis, H (Hanru)
3	1	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-05-18	rnd 5	type Standard	result 1
		Opponent Willemse, W (Wilton)				Opponent Willemse, W (Wilton)

#	Games	Start				End
1	6	Tournament Kingsway Open 2023				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2023-10-28	rnd 2	type Rapid	result 1	date 2024-03-02	rnd 2	type Rapid	result 1
		Opponent Mdaka, A (Asenathi)				Opponent Zimbler, A (Alexander)
2	5	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Hermanus Chess Club Open 2024
		date 2024-03-02	rnd 4	type Rapid	result 1	date 2024-04-20	rnd 3	type Rapid	result 1
		Opponent Collins, M (Marius)				Opponent Lambrechts, M (Madison)
3	3	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Alexander, D (Deorin)				Opponent Reich, E (Ethan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Kingsway Open 2023				Tournament Kingsway Open 2023
		date 2023-10-28	rnd 2	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Mdaka, A (Asenathi)				Opponent De Wet, J (James)
2	3	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Alexander, D (Deorin)				Opponent Reich, E (Ethan)
3	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 2	type Rapid	result 1	date 2025-02-01	rnd 4	type Rapid	result 1
		Opponent Mostert, D (Dant�)				Opponent Venter, D (Danelize)

#	Games	Start				End
1	2	Tournament Western Cape PS Individuals Championship 2024				Tournament Western Cape PS Individuals Championship 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Von Wielligh, S (Sven)				Opponent Azar, C (Christopher)
2	1	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-05-18	rnd 5	type Standard	result 1
		Opponent Willemse, W (Wilton)				Opponent Willemse, W (Wilton)
3	1	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Ellis, H (Hanru)				Opponent Ellis, H (Hanru)

#	Games	Start				End
1	5	Tournament Overberg Schools - PS Trials Region 3 2024				Tournament Hermanus Chess Club Open 2024
		date 2024-03-02	rnd 4	type Rapid	result 1	date 2024-04-20	rnd 3	type Rapid	result 1
		Opponent Collins, M (Marius)				Opponent Lambrechts, M (Madison)
2	4	Tournament Kingsway Open 2023				Tournament Kingsway Open 2023
		date 2023-10-28	rnd 2	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Mdaka, A (Asenathi)				Opponent De Wet, J (James)
3	3	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Alexander, D (Deorin)				Opponent Reich, 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	Otto ,T (Taylor)	6	0	-425	2	0	-425	4	0	-425	0	0	0
1	Otto ,T (Taylor)	6	1314	889	2	1165.8	889	4	1354.8	889	0	0	0
2	Henning ,N (Nicolas)	3	0	-425	2	0	-425	1	0	-425	0	0	0
2	Henning ,N (Nicolas)	3	1371.1	946.1	2	1321.5	946.1	1	1285.9	946.1	0	0	0
3	Knapp ,L (Liam)	3	0	-425	1	0	-425	2	0	-425	0	0	0
3	Knapp ,L (Liam)	3	1330.5	905.5	1	1294.5	905.5	2	1318.3	905.5	0	0	0
4	Buhr ,H (Heinrich)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Buhr ,H (Heinrich)	2	1282.8	857.8	2	1188.8	857.8	0	0	0	0	0	0
5	Ellis ,H (Hanru)	2	2	425	2	2	425	0	0	0	0	0	0
5	Ellis ,H (Hanru)	2	1210.4	1635.4	2	1178.8	1635.4	0	0	0	0	0	0
6	Groenewald ,C (Christiaan)	2	1	0	1	1	425	1	0	-425	0	0	0
6	Groenewald ,C (Christiaan)	2	1210.8	1210.8	1	1236	1635.8	1	1200	785.8	0	0	0
7	Van Zyl ,H (Hannah)	1	1	425	1	1	425	0	0	0	0	0	0
7	Van Zyl ,H (Hannah)	1	1186.9	1611.9	1	1135.2	1611.9	0	0	0	0	0	0
8	Willemse ,W (Wilton)	1	1	425	1	1	425	0	0	0	0	0	0
8	Willemse ,W (Wilton)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Stander ,D (Dean)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Stander ,D (Dean)	1	1438.3	1013.3	1	1446.8	1013.3	0	0	0	0	0	0
10	Franken ,R (Roy)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Franken ,R (Roy)	1	1188.2	763.2	1	1200	763.2	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 (Andreas)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms