Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bester, J (Johannes)

Chess SA id

1140157332

FIDE id

Date of birth

2014-01-18 (U12)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

56.3

Junior GPX Points

1374.4

Item	Main	Standard	Rapid	Blitz
Rating	1439.6	1422.2	1243.2	1200
Raw rating	1439.6	1422.2	1243.2	1200
Weighted rating	1338.1	1327.8	1217.9	1200
Weighted performance	1298.9	1312.3	0	0
Floor	1056.1	1051.9	743.2	700
K-factor	32	32	36	36
Min/Max rating change allowed	117.9	120.8	155.9	165.8
Highest rating	1556.1 2025-08-01	1551.9 2025-08-01	1281 2024-04-01	1200 2018-10-01
Highest raw rating	1556.1 2025-08-01	1551.9 2025-08-01	1243.2 2025-09-30	1200 2024-02-01
Highest weighted rating	1518.1 2023-07-01	1513.3 2023-07-01	1215.4 2025-09-30	1200 2018-10-01
Highest weighted performance	1556.1 2025-08-01	1551.9 2023-06-01	1281 2024-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1439.6	1422.2	1243.2	1200
Analysis
Rating	1439.6	1422.2	1243.2	1200
Raw rating	1439.6	1422.2	1243.2	1200
Weighted rating	1338.1	1327.8	1217.9
Weighted performance	1298.9	1312.3	0
K-factor	32	32	36	36
Floor	1056.1	1051.9	743.2	700
Max/Min rating change allowed	117.9	120.8	155.9	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	1439.6	1422.2	1243.2	1200
New weighted rating	1351.4	1340.7	1220.2	1200
New weighted performance	1291.2	1304.5	0	0
Temp new rating	1439.6	1422.2	1243.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1439.6	1422.2	1243.2	1200
New K-factor	32	32	36	36
New floor	1056.1	1051.9	743.2	700

Item	Main	Standard	Rapid
	0	0	0
	59	55	4
	14	9	5
	9	9	0
	0	0	0
	0	0	0
History	82	73	9

Games since
	Main 73	Standard 64		Rapid 9		Blitz 0
Gender	Male
Age group	U12
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1783		622		204
Male	1482		502		168
U12	218		83		27
U12 Male	156		55		23
Standard
	RSA		Province		Region
Overall	1862		690		216
Male	1534		561		176
U12	233		89		29
U12 Male	167		59		24
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	59	36.5	61.86	100.8	1326.1	1427
Standard	55	34	61.82	100.5	1322.6	1423
Rapid	4	2.5	62.5	106.2	1375.4	1481.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	82	46.5	56.71	57	1302.9	1359.9
Standard	73	41	56.16	52.4	1304.2	1356.6
Rapid	9	5.5	61.11	94.4	1291.7	1386.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1439.6	1422.2	1243.2	1200
2025-09-30	1528.6	1526.3	1243.2	1200
2025-09-01	1532.1	1526.3	1214	1200
2025-08-01	1556.1	1551.9	1214	1200
2025-07-01	1518.1	1513.3	1214	1200
2025-06-01	1356.1	1351	1214	1200
2025-05-01	1324	1317.3	1214	1200
2025-04-01	1324	1317.3	1214	1200
2025-03-01	1318.8	1314.2	1214	1200
2025-02-01	1191.7	1177.6	1214	1200
2025-01-01	1191.7	1177.6	1214	1200
2024-12-01	1191.7	1177.6	1214	1200
2024-11-01	1191.7	1177.6	1214	1200
2024-10-01	1191.7	1177.6	1214	1200
2024-09-01	1166.9	1145.6	1214	1200
2024-08-01	1166.9	1145.6	1214	1200
2024-07-01	1166.9	1145.6	1214	1200
2024-09-01	1178.3	1156.4	1214	1200
2024-05-01	1178.3	1156.4	1214	1200
2024-04-01	1164.8	1156.4	1200	1200
2024-03-01	1164.8	1156.4	1200	1200
2024-02-01	1164.8	1156.4	1200	1200
2024-01-01	1164.8	1156.4	1200	1200
2023-12-01	1164.8	1156.4	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 Gauteng Top Schools Teams (U11)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
2	2025 Gauteng Schools Provincial Individual Chess Championship (U11 Boys)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	Chess Power House Spring Rapid 2025 (C)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	4	2.5	Yes	Analysis
4	JMC Closed 2025 (U12)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	South African Open 2025 (U12 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
6	Third Knight Riders Junior Open 2025 (B+C)	2025-06-22	2025-06-22	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
7	Knight Riders Youth Day Open 2025 (B+C)	2025-06-15	2025-06-15	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
8	JMC Crawford Sandton 2025 (U12)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
9	2nd Knight Riders Junior Open 2025 (C)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
10	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
11	First Knights Juniors Chess Tournament 2025 (D)	2025-02-09	2025-02-09	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
12	JMC Kick Off 2025 (D)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U11)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
2	2025 Gauteng Schools Provincial Individual Chess Championship (U11 Boys)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	Chess Power House Spring Rapid 2025 (C)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	4	2.5	Yes	Analysis
4	JMC Closed 2025 (U12)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	South African Open 2025 (U12 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
6	Third Knight Riders Junior Open 2025 (B+C)	2025-06-22	2025-06-22	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
7	Knight Riders Youth Day Open 2025 (B+C)	2025-06-15	2025-06-15	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
8	JMC Crawford Sandton 2025 (U12)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
9	2nd Knight Riders Junior Open 2025 (C)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
10	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
11	First Knights Juniors Chess Tournament 2025 (D)	2025-02-09	2025-02-09	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
12	JMC Kick Off 2025 (D)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
13	Gauteng Schools Individuals Finals 2024 (U11 Boys)	2024-08-16	2024-08-16	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
14	JMC Trinityhouse Little Falls 2024 (D)	2024-06-02	2024-06-02	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
15	JCC King David Linksfield Rapid 2024 (C)	2024-04-21	2024-04-21	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
16	JMC Trinity Little Falls 2023 (U10)	2023-07-02	2023-07-02	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
17	Knight Riders Youth Day 2023 (U10)	2023-06-16	2023-06-16	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis

#	Games	Start				End
1	8	Tournament JMC Kick Off 2025				Tournament MCA Welcome 2025
		date 2025-02-02	rnd 4	type Standard	result 0.5	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent Hattingh, J (Johannes)				Opponent Tierney, G (Grayson)
2	6	Tournament Third Knight Riders Junior Open 2025				Tournament South African Open 2025
		date 2025-06-22	rnd 2	type Standard	result 1	date 2025-07-03	rnd 2	type Standard	result 1
		Opponent Mkulisi, A (Asavela)				Opponent Smith, E (Ethan)
3	6	Tournament JMC Crawford Sandton 2025				Tournament Knight Riders Youth Day Open 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-06-15	rnd 3	type Standard	result 1
		Opponent Simamane, S (Siphesihle)				Opponent Ravuri, C (Chinmay Vihaan)

#	Games	Start				End
1	8	Tournament JMC Kick Off 2025				Tournament MCA Welcome 2025
		date 2025-02-02	rnd 4	type Standard	result 0.5	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent Hattingh, J (Johannes)				Opponent Tierney, G (Grayson)
2	6	Tournament Third Knight Riders Junior Open 2025				Tournament South African Open 2025
		date 2025-06-22	rnd 2	type Standard	result 1	date 2025-07-03	rnd 2	type Standard	result 1
		Opponent Mkulisi, A (Asavela)				Opponent Smith, E (Ethan)
3	6	Tournament JMC Crawford Sandton 2025				Tournament Knight Riders Youth Day Open 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-06-15	rnd 3	type Standard	result 1
		Opponent Simamane, S (Siphesihle)				Opponent Ravuri, C (Chinmay Vihaan)

#	Games	Start				End
1	3	Tournament JCC King David Linksfield Rapid 2024				Tournament JCC King David Linksfield Rapid 2024
		date 2024-04-21	rnd 3	type Rapid	result 1	date 2024-04-21	rnd 5	type Rapid	result 1
		Opponent Savva, A (Alessia)				Opponent Nahon, J (James)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Third Knight Riders Junior Open 2025				Tournament South African Open 2025
		date 2025-06-22	rnd 2	type Standard	result 1	date 2025-07-03	rnd 2	type Standard	result 1
		Opponent Mkulisi, A (Asavela)				Opponent Smith, E (Ethan)
2	6	Tournament JMC Crawford Sandton 2025				Tournament Knight Riders Youth Day Open 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-06-15	rnd 3	type Standard	result 1
		Opponent Simamane, S (Siphesihle)				Opponent Ravuri, C (Chinmay Vihaan)
3	4	Tournament First Knights Juniors Chess Tournament 2025				Tournament MCA Welcome 2025
		date 2025-02-09	rnd 3	type Standard	result 1	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent Westoby, R (Ryan)				Opponent Tierney, G (Grayson)

#	Games	Start				End
1	6	Tournament Third Knight Riders Junior Open 2025				Tournament South African Open 2025
		date 2025-06-22	rnd 2	type Standard	result 1	date 2025-07-03	rnd 2	type Standard	result 1
		Opponent Mkulisi, A (Asavela)				Opponent Smith, E (Ethan)
2	6	Tournament JMC Crawford Sandton 2025				Tournament Knight Riders Youth Day Open 2025
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-06-15	rnd 3	type Standard	result 1
		Opponent Simamane, S (Siphesihle)				Opponent Ravuri, C (Chinmay Vihaan)
3	4	Tournament First Knights Juniors Chess Tournament 2025				Tournament MCA Welcome 2025
		date 2025-02-09	rnd 3	type Standard	result 1	date 2025-02-15	rnd 1	type Standard	result 1
		Opponent Westoby, R (Ryan)				Opponent Tierney, G (Grayson)

#	Games	Start				End
1	3	Tournament JCC King David Linksfield Rapid 2024				Tournament JCC King David Linksfield Rapid 2024
		date 2024-04-21	rnd 3	type Rapid	result 1	date 2024-04-21	rnd 5	type Rapid	result 1
		Opponent Savva, A (Alessia)				Opponent Nahon, J (James)

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	Parag ,T (Tejas)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Parag ,T (Tejas)	2	1272.2	1059.7	2	1270.8	1059.7	0	0	0	0	0	0
2	Ravuri ,C (Chinmay Vihaan)	2	1	0	2	1	0	0	0	0	0	0	0
2	Ravuri ,C (Chinmay Vihaan)	2	1557.8	1557.8	2	1558.3	1557.8	0	0	0	0	0	0
3	Finnemore ,E (Ewan)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Finnemore ,E (Ewan)	2	1600.8	1175.8	2	1600.5	1175.8	0	0	0	0	0	0
4	Zulu ,T (Thandoluhle)	2	2	425	2	2	425	0	0	0	0	0	0
4	Zulu ,T (Thandoluhle)	2	1528.6	1953.6	2	1528.5	1953.6	0	0	0	0	0	0
5	Mankena ,S (Satvik Ram)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Mankena ,S (Satvik Ram)	2	1601.2	1176.2	1	1544.3	1176.2	1	1402.8	1176.2	0	0	0
6	Lipshitz ,B (Blake)	2	1	0	1	1	425	1	0	-425	0	0	0
6	Lipshitz ,B (Blake)	2	1246.3	1246.3	1	1282.6	1671.3	1	1200	821.3	0	0	0
7	Block ,S (Shlomo)	2	0.5	-212.5	1	0	-425	1	0.5	0	0	0	0
7	Block ,S (Shlomo)	2	1453.3	1240.8	1	1414.6	1028.3	1	1321.7	1453.3	0	0	0
8	Carim ,Z (Zakir)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Carim ,Z (Zakir)	1	1231.1	1231.1	1	1237.1	1231.1	0	0	0	0	0	0
9	Mannar ,A (Aaryan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mannar ,A (Aaryan)	1	1322.8	897.8	1	1319.7	897.8	0	0	0	0	0	0
10	Steyn ,M (Mari-Louise)	1	1	425	1	1	425	0	0	0	0	0	0
10	Steyn ,M (Mari-Louise)	1	1317.2	1742.2	1	1302.1	1742.2	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

Bester, J (Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms