Chess South Africa Ratings Database

PLAYER PAGE

Personal

Muller, J (Juan)

Chess SA id

1080145430

FIDE id

Date of birth

2008-05-15 (U18)

Gender

Male

Region

Capricorn (LCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1226.7

Item	Main	Standard	Rapid	Blitz
Rating	1278.5	1271.9	1275.2	1200
Raw rating	1278.5	1271.9	1275.2	1200
Weighted rating	1258.8	1243.2	1271	1200
Weighted performance	1127.7	1089.5	0	0
Floor	780.3	797.1	775.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	148.3	149.7	149	165.8
Highest rating	1387.2 2023-03-01	1393.6 2023-03-01	1333.2 2024-04-01	1200 2018-10-01
Highest raw rating	1280.3 2023-04-01	1297.1 2023-10-01	1275.2 2024-05-01	1200 2024-02-01
Highest weighted rating	1280.3 2024-10-01	1297.1 2023-11-01	1265.2 2025-08-01	1200 2018-10-01
Highest weighted performance	1387.2 2023-03-01	1393.6 2023-03-01	1333.2 2024-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1278.5	1271.9	1275.2	1200
Analysis
Rating	1278.5	1271.9	1275.2	1200
Raw rating	1278.5	1271.9	1275.2	1200
Weighted rating	1258.8	1243.2	1271
Weighted performance	1127.7	1089.5	0
K-factor	36	36	36	36
Floor	780.3	797.1	775.2	700
Max/Min rating change allowed	148.3	149.7	149	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	1278.5	1271.9	1275.2	1200
New weighted rating	1261.5	1246.4	1272.4	1200
New weighted performance	1120.2	1082.3	0	0
Temp new rating	1278.5	1271.9	1275.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1278.5	1271.9	1275.2	1200
New K-factor	36	36	36	36
New floor	780.3	797.1	775.2	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	30	24	6
	19	13	6
	5	5	0
	0	0	0
History	59	47	12

Games since
	Main 38	Standard 32		Rapid 6		Blitz 0
Gender	Male
Age group	U18
Region	Capricorn (LCP)
Province	Limpopo (LP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	3441		97		90
Male	2661		90		83
U18	547		19		19
U18 Male	449		19		19
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	5	4	80	255	1225.4	1480.4
Standard	5	4	80	255	1225.4	1480.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	59	31	52.54	21.6	1238.2	1259.9
Standard	47	23	48.94	-9	1253.1	1244
Rapid	12	8	66.67	141.7	1180.1	1321.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1278.5	1271.9	1275.2	1200
2025-09-30	1278.5	1271.9	1275.2	1200
2025-09-01	1278.5	1271.9	1275.2	1200
2025-08-01	1278.5	1271.9	1275.2	1200
2025-07-01	1278.5	1271.9	1275.2	1200
2025-06-01	1278.5	1271.9	1275.2	1200
2025-05-01	1278.5	1271.9	1275.2	1200
2025-04-01	1278.5	1271.9	1275.2	1200
2025-03-01	1233.9	1217.9	1275.2	1200
2025-02-01	1233.4	1216.7	1275.2	1200
2025-01-01	1221.1	1179.1	1275.2	1200
2024-12-01	1221.1	1179.1	1275.2	1200
2024-11-01	1221.1	1179.1	1275.2	1200
2024-10-01	1269.5	1244.6	1275.2	1200
2024-09-01	1257.8	1223.4	1275.2	1200
2024-08-01	1257.8	1223.4	1275.2	1200
2024-07-01	1257.8	1223.4	1275.2	1200
2024-09-01	1257.8	1223.4	1275.2	1200
2024-05-01	1257.8	1223.4	1275.2	1200
2024-04-01	1179.1	1188.1	1192	1200
2024-03-01	1179.1	1188.1	1192	1200
2024-02-01	1203.9	1220.1	1192	1200
2024-01-01	1201.9	1219.7	1192	1200
2023-12-01	1201.9	1219.7	1192	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	Waterberg Junior Qualifying 1 2025 (U16-U20)	2025-02-22	2025-02-22	Standard	Waterberg (LWM)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Waterberg Junior Qualifying 1 2025 (U16-U20)	2025-02-22	2025-02-22	Standard	Waterberg (LWM)	5	5	4	Yes	Analysis
2	Limpopo Junior Trials 2024 (U18)	2024-10-05	2024-10-05	Standard	Capricorn (LCP)	5	5	0.5	Yes	Analysis
3	Capricorn Junior Qualifying 6 2024 (U18)	2024-09-14	2024-09-14	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
4	NABOOMSPAR Open Chess Tournament 2024 (Open)	2024-04-27	2024-04-27	Standard	Waterberg (LWM)	5	5	3	Yes	Analysis
5	NWU Super 16 2024	2024-04-19	2024-04-19	Rapid	Gert Sibande (MGS)	6	6	5	Yes	Analysis
6	Capricorn District Chess Junior Qualifying Tournament 2024 (U18)	2024-02-10	2024-02-10	Standard	Capricorn (LCP)	5	5	1.5	Yes	Analysis
7	2024 Gauteng Inter-Region Chess Championship (U20 Open+Girls)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
8	2023 Capricorn District Junior Final Trials (U16 Mixed)	2023-11-11	2023-11-11	Standard	Capricorn (LCP)	5	3	0	Yes	Analysis
9	NWU Super 16 2023 (B)	2023-04-21	2023-04-21	Rapid	Gert Sibande (MGS)	7	6	3	Yes	Analysis
10	Capricorn Qualifying March 2023 (U16)	2023-03-11	2023-03-11	Standard	Capricorn (LCP)	5	5	4	Yes	Analysis
11	Capricorn Qualifying February 4th 2023 (U16)	2023-02-04	2023-02-04	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
12	Capricorn Qualifying August 2022 (U16)	2022-08-20	2022-08-20	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Waterberg Junior Qualifying 1 2025				Tournament Waterberg Junior Qualifying 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Modiba, K (Kgothatso)				Opponent Tokolo, T (Tshegofatso)
2	4	Tournament Capricorn Junior Qualifying 6 2024				Tournament Limpopo Junior Trials 2024
		date 2024-09-14	rnd 3	type Standard	result 1	date 2024-10-05	rnd 1	type Standard	result 0.5
		Opponent Van Der Merwe, D (Diedrik)				Opponent Matlou, K (Kgethego M)
3	4	Tournament Capricorn Qualifying March 2023				Tournament NWU Super 16 2023
		date 2023-03-11	rnd 4	type Standard	result 1	date 2023-04-21	rnd 2	type Rapid	result 1
		Opponent Malejoane, K (Kamohelo)				Opponent Pieters, J (Johan)

#	Games	Start				End
1	4	Tournament Waterberg Junior Qualifying 1 2025				Tournament Waterberg Junior Qualifying 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Modiba, K (Kgothatso)				Opponent Tokolo, T (Tshegofatso)
2	4	Tournament Capricorn Junior Qualifying 6 2024				Tournament Limpopo Junior Trials 2024
		date 2024-09-14	rnd 3	type Standard	result 1	date 2024-10-05	rnd 1	type Standard	result 0.5
		Opponent Van Der Merwe, D (Diedrik)				Opponent Matlou, K (Kgethego M)
3	2	Tournament NABOOMSPAR Open Chess Tournament 2024				Tournament NABOOMSPAR Open Chess Tournament 2024
		date 2024-04-27	rnd 4	type Standard	result 1	date 2024-04-27	rnd 5	type Standard	result 1
		Opponent Els, B (Brady)				Opponent Dhlamini, D (Donald)

#	Games	Start				End
1	3	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 4	type Rapid	result 1	date 2024-04-19	rnd 6	type Rapid	result 1
		Opponent Lenamile, K (Kamo)				Opponent Molefe, K (Koketso)
2	2	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 1	type Rapid	result 1	date 2024-04-19	rnd 2	type Rapid	result 1
		Opponent Lotika, A (Atile)				Opponent Vermeulen, H (Henco)
3	2	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 1	type Rapid	result 1	date 2023-04-21	rnd 2	type Rapid	result 1
		Opponent Putter, N (Nadine)				Opponent Pieters, J (Johan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Waterberg Junior Qualifying 1 2025				Tournament Waterberg Junior Qualifying 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Modiba, K (Kgothatso)				Opponent Tokolo, T (Tshegofatso)
2	4	Tournament Capricorn Qualifying March 2023				Tournament NWU Super 16 2023
		date 2023-03-11	rnd 4	type Standard	result 1	date 2023-04-21	rnd 2	type Rapid	result 1
		Opponent Malejoane, K (Kamohelo)				Opponent Pieters, J (Johan)
3	3	Tournament Capricorn Junior Qualifying 6 2024				Tournament Capricorn Junior Qualifying 6 2024
		date 2024-09-14	rnd 3	type Standard	result 1	date 2024-09-14	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, D (Diedrik)				Opponent Masithulela, R (Riphuluse)

#	Games	Start				End
1	4	Tournament Waterberg Junior Qualifying 1 2025				Tournament Waterberg Junior Qualifying 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Modiba, K (Kgothatso)				Opponent Tokolo, T (Tshegofatso)
2	3	Tournament Capricorn Junior Qualifying 6 2024				Tournament Capricorn Junior Qualifying 6 2024
		date 2024-09-14	rnd 3	type Standard	result 1	date 2024-09-14	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, D (Diedrik)				Opponent Masithulela, R (Riphuluse)
3	2	Tournament NABOOMSPAR Open Chess Tournament 2024				Tournament NABOOMSPAR Open Chess Tournament 2024
		date 2024-04-27	rnd 4	type Standard	result 1	date 2024-04-27	rnd 5	type Standard	result 1
		Opponent Els, B (Brady)				Opponent Dhlamini, D (Donald)

#	Games	Start				End
1	3	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 4	type Rapid	result 1	date 2024-04-19	rnd 6	type Rapid	result 1
		Opponent Lenamile, K (Kamo)				Opponent Molefe, K (Koketso)
2	2	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 1	type Rapid	result 1	date 2024-04-19	rnd 2	type Rapid	result 1
		Opponent Lotika, A (Atile)				Opponent Vermeulen, H (Henco)
3	2	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 1	type Rapid	result 1	date 2023-04-21	rnd 2	type Rapid	result 1
		Opponent Putter, N (Nadine)				Opponent Pieters, J (Johan)

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	Els ,R (Regardt)	2	1	0	2	1	0	0	0	0	0	0	0
1	Els ,R (Regardt)	2	1313.6	1313.6	2	1314.8	1313.6	0	0	0	0	0	0
2	Selomo ,T (Thato)	2	1	0	2	1	0	0	0	0	0	0	0
2	Selomo ,T (Thato)	2	1131.8	1131.8	2	1144.9	1131.8	0	0	0	0	0	0
3	Masango ,SH (Sobangane)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Masango ,SH (Sobangane)	2	1428.4	1003.4	2	1428.9	1003.4	0	0	0	0	0	0
4	Jooste ,M (Mathew)	2	1	0	2	1	0	0	0	0	0	0	0
4	Jooste ,M (Mathew)	2	815.8	815.8	2	863.4	815.8	0	0	0	0	0	0
5	Madiba ,D (Dumisani)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Madiba ,D (Dumisani)	1	1406.2	981.2	1	1399.9	981.2	0	0	0	0	0	0
6	Mojela ,L (Lesego)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mojela ,L (Lesego)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Modiba ,K (Kgothatso)	1	1	425	1	1	425	0	0	0	0	0	0
7	Modiba ,K (Kgothatso)	1	1166.3	1591.3	1	1108.8	1591.3	0	0	0	0	0	0
8	Reichert ,J (Juan-Aiden)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Reichert ,J (Juan-Aiden)	1	1376.4	951.4	1	1381.1	951.4	0	0	0	0	0	0
9	Joubert ,M (Morne)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Joubert ,M (Morne)	1	1216.5	791.5	1	1219.2	791.5	0	0	0	0	0	0
10	Grayer ,K (Kyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Grayer ,K (Kyle)	1	1307.8	882.8	1	1200	882.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Muller, J (Juan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms