Chess South Africa Ratings Database

PLAYER PAGE

Personal

Muller, J (Jano)

Chess SA id

1140143168

FIDE id

Date of birth

2014-04-17 (U12)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1325.2

Item	Main	Standard	Rapid	Blitz
Rating	1193.4	1200.2	1200	1200
Raw rating	1193.4	1200.2	1200	1200
Weighted rating	1142.9	1140.2	1200	1200
Weighted performance	1153.6	1149	0	0
Floor	700	703.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.4	165.8	165.8	165.8
Highest rating	1200 2018-10-01	1203.6 2023-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1203.6 2023-03-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1203.6 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1193.4	1200.2	1200	1200
Analysis
Rating	1193.4	1200.2	1200	1200
Raw rating	1193.4	1200.2	1200	1200
Weighted rating	1142.9	1140.2	1200
Weighted performance	1153.6	1149	0
K-factor	36	36	36	36
Floor	700	703.6	700	700
Max/Min rating change allowed	167.4	165.8	165.8	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	1193.4	1200.2	1200	1200
New weighted rating	1146.9	1145	1200	1200
New weighted performance	1153.2	1148.5	0	0
Temp new rating	1193.4	1200.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1193.4	1200.2	1200	1200
New K-factor	36	36	36	36
New floor	700	703.6	700	700

Item	Main	Standard
	0	0
	5	5
	46	46
	22	22
	10	10
	0	0
History	83	83

Games since
	Main 51	Standard 51		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	4067		1307		465
Male	3050		995		352
U12	685		215		81
U12 Male	467		152		54
Standard
	RSA		Province		Region
Overall	3935		1377		534
Male	2954		1050		405
U12	641		226		91
U12 Male	441		158		60
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	1181.4	1436.4
Standard	5	4	80	255	1181.4	1436.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	83	37.5	45.18	-41	1198.8	1157.8
Standard	83	37.5	45.18	-41	1198.8	1157.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1193.4	1200.2	1200	1200
2025-09-01	1193.4	1200.2	1200	1200
2025-08-01	1140.2	1136.4	1200	1200
2025-07-01	1140.2	1136.4	1200	1200
2025-06-01	1140.2	1136.4	1200	1200
2025-05-01	1140.2	1136.4	1200	1200
2025-04-01	1140.2	1136.4	1200	1200
2025-03-01	1140.2	1136.4	1200	1200
2025-02-01	1140.2	1136.4	1200	1200
2025-01-01	1138.7	1134.2	1200	1200
2024-12-01	1137.2	1133.1	1200	1200
2024-11-01	1137.2	1133.1	1200	1200
2024-10-01	1137.2	1133.1	1200	1200
2024-09-01	1113.1	1110.1	1200	1200
2024-08-01	1076.2	1069.1	1200	1200
2024-07-01	1076.2	1069.1	1200	1200
2024-06-01	1098.8	1089.6	1200	1200
2024-08-01	1098.8	1089.6	1200	1200
2024-04-01	1143	1136.4	1200	1200
2024-03-01	1164.2	1159.4	1200	1200
2024-02-01	1167.5	1163.7	1200	1200
2024-01-01	1194.6	1196.1	1200	1200
2023-12-01	1194.6	1196.1	1200	1200
2023-11-01	1194.6	1196.1	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	2025 Tshwane South School District CLOSED League Championship (U11B)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U11B)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	Gauteng Inter-Region at UJ 2024 (U12 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	2024 Etienne Lewis (U12)	2024-08-30	2024-09-01	Standard	Tshwane (GTP)	7	7	3	Yes	Analysis
4	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11B)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	2024 Elise Steenkamp Open Chess Tournament (Rooks)	2024-06-15	2024-06-15	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
6	2024 Milos Ristic Open Chess Tournament (U12)	2024-04-27	2024-04-27	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
7	2024 Chris Greyling Open Chess Tournament (D1)	2024-03-16	2024-03-16	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
8	2024 Constantiapark Open (D1)	2024-02-17	2024-02-17	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
9	2024 Tshwane Chess OPEN Registration Tournament (D2)	2024-01-27	2024-01-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
10	2024 Gauteng Inter-Region Chess Championship (U10B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
11	2023 Etienne Lewis Closed Tournament (U10)	2023-08-25	2023-08-27	Standard	Tshwane (GTP)	7	7	3.5	Yes	Analysis
12	2023 Lubowski Open Tournament (E)	2023-06-24	2023-06-25	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
13	Laerskool Constantiapark Open Chess Tournament 2023 (U10)	2023-02-18	2023-02-18	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
14	2023 Tshwane Chess Open Registration Tournament (E)	2023-01-28	2023-01-28	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
15	2022 Menlo Open Tournament (E)	2022-07-23	2022-07-23	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
16	2022 Blou Bul Open (E)	2022-06-25	2022-06-25	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2023 Etienne Lewis Closed Tournament				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2023-08-27	rnd 6	type Standard	result 1	date 2024-01-13	rnd 3	type Standard	result 1
		Opponent Mcphail, A (Ava)				Opponent Ninham, G (Grant)
2	3	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 1	type Standard	result 1	date 2025-08-15	rnd 3	type Standard	result 1
		Opponent Makgeru, T (Thoriso)				Opponent Naude, J (Josua)
3	3	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 3	type Standard	result 0.5	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Beldon, S (Samuel)				Opponent Makwedini, I (Ima)

#	Games	Start				End
1	4	Tournament 2023 Etienne Lewis Closed Tournament				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2023-08-27	rnd 6	type Standard	result 1	date 2024-01-13	rnd 3	type Standard	result 1
		Opponent Mcphail, A (Ava)				Opponent Ninham, G (Grant)
2	3	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 1	type Standard	result 1	date 2025-08-15	rnd 3	type Standard	result 1
		Opponent Makgeru, T (Thoriso)				Opponent Naude, J (Josua)
3	3	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 3	type Standard	result 0.5	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Beldon, S (Samuel)				Opponent Makwedini, I (Ima)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2023 Etienne Lewis Closed Tournament				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2023-08-27	rnd 6	type Standard	result 1	date 2024-01-13	rnd 3	type Standard	result 1
		Opponent Mcphail, A (Ava)				Opponent Ninham, G (Grant)
2	3	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 1	type Standard	result 1	date 2025-08-15	rnd 3	type Standard	result 1
		Opponent Makgeru, T (Thoriso)				Opponent Naude, J (Josua)
3	2	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 3	type Standard	result 1	date 2024-12-08	rnd 4	type Standard	result 1
		Opponent Appels, C (Chathem Jordan)				Opponent Chisango, R (Ryan)

#	Games	Start				End
1	4	Tournament 2023 Etienne Lewis Closed Tournament				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2023-08-27	rnd 6	type Standard	result 1	date 2024-01-13	rnd 3	type Standard	result 1
		Opponent Mcphail, A (Ava)				Opponent Ninham, G (Grant)
2	3	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 1	type Standard	result 1	date 2025-08-15	rnd 3	type Standard	result 1
		Opponent Makgeru, T (Thoriso)				Opponent Naude, J (Josua)
3	2	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 3	type Standard	result 1	date 2024-12-08	rnd 4	type Standard	result 1
		Opponent Appels, C (Chathem Jordan)				Opponent Chisango, R (Ryan)

No games found.

#	Games	Start				End

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	Wolvaardt ,J (Jonathan)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
1	Wolvaardt ,J (Jonathan)	3	1330.2	1046.8	3	1341.9	1046.8	0	0	0	0	0	0
2	Kleynhans ,M (Magnus)	2	1	0	2	1	0	0	0	0	0	0	0
2	Kleynhans ,M (Magnus)	2	1223.8	1223.8	2	1220.9	1223.8	0	0	0	0	0	0
3	Truscott ,A (Ane)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Truscott ,A (Ane)	2	1226.4	801.4	2	1216.3	801.4	0	0	0	0	0	0
4	Mcphail ,A (Ava)	2	1	0	2	1	0	0	0	0	0	0	0
4	Mcphail ,A (Ava)	2	1117.4	1117.4	2	1112.8	1117.4	0	0	0	0	0	0
5	Prinsloo ,V (Veronique)	2	1	0	2	1	0	0	0	0	0	0	0
5	Prinsloo ,V (Veronique)	2	1305.9	1305.9	2	1304.8	1305.9	0	0	0	0	0	0
6	Van Wyk ,A (Ame)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Van Wyk ,A (Ame)	2	1171.2	746.2	2	1174.2	746.2	0	0	0	0	0	0
7	Vosloo ,D (De Waal)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Vosloo ,D (De Waal)	1	1234.5	809.5	1	1253.3	809.5	0	0	0	0	0	0
8	Mxathule ,P (Princess)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mxathule ,P (Princess)	1	1062.2	1487.2	1	1055.7	1487.2	0	0	0	0	0	0
9	Kruger ,B (Brenden)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Kruger ,B (Brenden)	1	1146	721	1	1149.9	721	0	0	0	0	0	0
10	Van Der Merwe ,A (Alex)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Der Merwe ,A (Alex)	1	1200	775	1	1200	775	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, J (Jano)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms