Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bester, E (Ethan)

Chess SA id

107055337

FIDE id

Date of birth

2007-01-31 (U20)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1352.9	1332.9	1122.6	1054.6
Raw rating	1352.9	1332.9	1122.6	1054.6
Weighted rating	1352.9	1332.9	1122.6	1054.6
Weighted performance	357.8	356.1	0	0
Floor	903.4	901.8	622.6	554.6
K-factor	32	32	40	40
Min/Max rating change allowed	133.4	137.2	185.1	204
Highest rating	1417 2019-07-01	1416.8 2018-10-01	1250.5 2018-05-01	1200 2024-02-01
Highest raw rating	1403.4 2020-02-01	1401.8 2018-11-01	1122.6 2024-02-01	1054.6 2024-02-01
Highest weighted rating	1403.4 2020-08-01	1401.8 2020-06-01	1122.6 2024-11-01	1054.6 2024-11-01
Highest weighted performance	1417 2019-07-01	1416.8 2018-10-01	1250.5 2018-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1352.9	1332.9	1122.6	1054.6
Analysis
Rating	1352.9	1332.9	1122.6	1054.6
Raw rating	1352.9	1332.9	1122.6	1054.6
Weighted rating	1352.9	1332.9	1122.6
Weighted performance	357.8	356.1	0
K-factor	32	32	40	40
Floor	903.4	901.8	622.6	554.6
Max/Min rating change allowed	133.4	137.2	185.1	204
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	1352.9	1332.9	1122.6	1054.6
New weighted rating	1352.9	1332.9	1122.6	1054.6
New weighted performance	350.4	348.7	0	0
Temp new rating	1352.9	1332.9	1122.6	1054.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1352.9	1332.9	1122.6	1054.6
New K-factor	32	32	40	40
New floor	903.4	901.8	622.6	554.6

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	581	566	15

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	209	118	56.46	54.9	1209.4	1264.3
Standard	199	109	54.77	40.6	1216.7	1257.3
Rapid	10	9	90	340	1062.3	1402.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1352.9	1332.9	1122.6	1054.6
2025-09-30	1352.9	1332.9	1122.6	1054.6
2025-09-01	1352.9	1332.9	1122.6	1054.6
2025-08-01	1352.9	1332.9	1122.6	1054.6
2025-07-01	1352.9	1332.9	1122.6	1054.6
2025-06-01	1352.9	1332.9	1122.6	1054.6
2025-05-01	1352.9	1332.9	1122.6	1054.6
2025-04-01	1352.9	1332.9	1122.6	1054.6
2025-03-01	1352.9	1332.9	1122.6	1054.6
2025-02-01	1352.9	1332.9	1122.6	1054.6
2025-01-01	1352.9	1332.9	1122.6	1054.6
2024-12-01	1352.9	1332.9	1122.6	1054.6
2024-11-01	1352.9	1332.9	1122.6	1054.6
2024-10-01	1352.9	1332.9	1122.6	1054.6
2024-09-01	1352.9	1332.9	1122.6	1054.6
2024-08-01	1352.9	1332.9	1122.6	1054.6
2024-07-01	1352.9	1332.9	1122.6	1054.6
2024-09-01	1352.9	1332.9	1122.6	1054.6
2024-05-01	1352.9	1332.9	1122.6	1054.6
2024-04-01	1352.9	1332.9	1122.6	1054.6
2024-03-01	1352.9	1332.9	1122.6	1054.6
2024-02-01	1352.9	1332.9	1122.6	1054.6
2024-01-01	1352.9	1332.9	1122.6	1054.6
2023-12-01	1352.9	1332.9	1122.6	1054.6

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	2020 Blou Bul (B)	2020-02-15	2020-02-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	Carel`s Open 2020 (A)	2020-02-29	2020-02-29	Standard	Sedibeng (GSV)	5	4	0.5	Yes	Analysis
3	2019 Wild Card Chess Championship (U14 Open)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
4	2019 South African Junior Team Championships (U14A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
5	Chessnuts November Tournament 2019 (Kings)	2019-11-08	2019-11-08	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
6	GJM vs GE Inter Region 2019 (U14C)	2019-10-05	2019-10-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
7	2019 Gauteng School League Finals (U13 Open)	2019-08-23	2019-08-23	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
8	JHB Metro Closed 2019 (U14)	2019-07-27	2019-07-28	Standard	Johannesburg Metro (GJM)	6	5	3	Yes	Analysis
9	Boksburg Chess Club Open 2019 (B)	2019-07-13	2019-07-13	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
10	2019 Super 12 Laerskole (Seniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	4	Yes	Analysis
11	JNW Club - Charterhouse Open 2019 (B)	2019-04-13	2019-04-13	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
12	2019 Waterkloof Open (B)	2019-03-02	2019-03-03	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
13	2019 South African Junior Closed Chess Championship (U12 Open)	2019-03-17	2019-03-22	Standard	Chess South Africa (CSA)	9	9	4.5	Yes	Analysis
14	JNW Club - Trinityhouse Little Falls Open 2019 (A)	2019-02-23	2019-02-23	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
15	Boksburg Open 2019 (A)	2019-01-19	2019-01-19	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
16	South African Junior Team Championships 2018 (U12A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
17	Fonteine Open 2018 (A)	2018-10-13	2018-10-13	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
18	Inter Region GE vs JHB Metro 2018 (U12A)	2018-10-06	2018-10-06	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
19	2018 Jakaranda (F)	2018-09-22	2018-09-22	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
20	Chessnuts Spring 2018 (Kings)	2018-09-29	2018-09-29	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
21	JNW Club - Helpmekaar Open 2018 (B)	2018-09-15	2018-09-15	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
22	2018 Gauteng League Final (U11)	2018-08-24	2018-08-24	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
23	2018 Menlo Open Chess Tournament (B)	2018-07-21	2018-07-21	Standard	Tshwane (GTP)	5	4	0.5	Yes	Analysis
24	JHB Metro Junior Closed 2018 (U12)	2018-07-28	2018-07-29	Standard	Johannesburg Metro (GJM)	6	6	5	Yes	Analysis
25	Boksburg Chess Club Open 2018 (U16-U20)	2018-07-14	2018-07-14	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
26	British International Prep/Chessnuts 2018 (U14+U16)	2018-06-23	2018-06-23	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
27	2018 Super 12 (Senior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	5	Yes	Analysis
28	2018 Gauteng Secondary Schools Individual Chess Championships (U13 Boys)	2018-05-25	2018-05-25	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
29	D10 Schools Individuals 2018 (U13 Boys)	2018-05-18	2018-05-18	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
30	2018 Capablanca Swiss (B)	2018-04-27	2018-04-29	Standard	Tshwane (GTP)	7	7	3.5	Yes	Analysis
31	Fonties Challenge 2018 (U13+U15)	2018-04-21	2018-04-21	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
32	2018 South African Junior Closed Chess Championships (U12 Open)	2018-04-01	2018-04-07	Standard	Chess South Africa (CSA)	11	11	4.5	Yes	Analysis
33	2018 Waterkloof Open (C)	2018-03-03	2018-03-04	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
34	Randburg Club - Summer Swiss 2018	2018-01-30	2018-03-13	Standard	Johannesburg Metro (GJM)	7	7	3	Yes	Analysis
35	Chessnuts - Kickoff Open 2018 (C)	2018-02-09	2018-02-10	Standard	Johannesburg Metro (GJM)	6	6	5	Yes	Analysis
36	South African Junior Wildcard Championships 2017 (U12 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
37	South African Junior Team Championships 2017 (U12A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	1.5	Yes	Analysis

#	Games	Start				End
1	16	Tournament 2018 Capablanca Swiss				Tournament 2018 Gauteng Secondary Schools Individual Chess Championships
		date 2018-04-28	rnd 5	type Standard	result 1	date 2018-05-25	rnd 3	type Standard	result 1
		Opponent Netshimbupfe, GH (Grace)				Opponent Tiisetso, M (Mapatha)
2	10	Tournament JHB Metro Junior Closed 2018				Tournament 2018 Gauteng League Final
		date 2018-07-28	rnd 1	type Standard	result 1	date 2018-08-24	rnd 4	type Standard	result 1
		Opponent Skhosana, M (Muzi)				Opponent Vermeulen, A (Anrich)
3	6	Tournament Chessnuts Spring 2018				Tournament Inter Region GE vs JHB Metro 2018
		date 2018-09-29	rnd 3	type Standard	result 1	date 2018-10-06	rnd 3	type Standard	result 1
		Opponent Macdonald, B (Brandon)				Opponent Zingoni, N (Ngaakudzwe)

#	Games	Start				End
1	11	Tournament 2018 Capablanca Swiss				Tournament 2018 Gauteng Secondary Schools Individual Chess Championships
		date 2018-04-28	rnd 5	type Standard	result 1	date 2018-05-25	rnd 3	type Standard	result 1
		Opponent Netshimbupfe, GH (Grace)				Opponent Tiisetso, M (Mapatha)
2	10	Tournament JHB Metro Junior Closed 2018				Tournament 2018 Gauteng League Final
		date 2018-07-28	rnd 1	type Standard	result 1	date 2018-08-24	rnd 4	type Standard	result 1
		Opponent Skhosana, M (Muzi)				Opponent Vermeulen, A (Anrich)
3	6	Tournament Chessnuts Spring 2018				Tournament Inter Region GE vs JHB Metro 2018
		date 2018-09-29	rnd 3	type Standard	result 1	date 2018-10-06	rnd 3	type Standard	result 1
		Opponent Macdonald, B (Brandon)				Opponent Zingoni, N (Ngaakudzwe)

#	Games	Start				End
1	8	Tournament 2018 Super 12				Tournament 2019 Super 12 Laerskole
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Swart, Z (Zander)				Opponent Nel, A (Armand)
2	1	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 5	type Rapid	result 1	date 2019-05-04	rnd 5	type Rapid	result 1
		Opponent Malan, HB (Hendrik)				Opponent Malan, HB (Hendrik)

No games found.

#	Games	Start				End

#	Games	Start				End
1	16	Tournament 2018 Capablanca Swiss				Tournament 2018 Gauteng Secondary Schools Individual Chess Championships
		date 2018-04-28	rnd 5	type Standard	result 1	date 2018-05-25	rnd 3	type Standard	result 1
		Opponent Netshimbupfe, GH (Grace)				Opponent Tiisetso, M (Mapatha)
2	7	Tournament JHB Metro Junior Closed 2018				Tournament 2018 Gauteng League Final
		date 2018-07-29	rnd 4	type Standard	result 1	date 2018-08-24	rnd 4	type Standard	result 1
		Opponent Kata, J (Jonathan)				Opponent Vermeulen, A (Anrich)
3	5	Tournament 2019 Wild Card Chess Championship				Tournament 2020 Blou Bul
		date 2020-01-11	rnd 6	type Standard	result 1	date 2020-02-15	rnd 3	type Standard	result 1
		Opponent Fillis, J (Jordan)				Opponent Liang, YT (Yi-Tao (Anson))

#	Games	Start				End
1	11	Tournament 2018 Capablanca Swiss				Tournament 2018 Gauteng Secondary Schools Individual Chess Championships
		date 2018-04-28	rnd 5	type Standard	result 1	date 2018-05-25	rnd 3	type Standard	result 1
		Opponent Netshimbupfe, GH (Grace)				Opponent Tiisetso, M (Mapatha)
2	7	Tournament JHB Metro Junior Closed 2018				Tournament 2018 Gauteng League Final
		date 2018-07-29	rnd 4	type Standard	result 1	date 2018-08-24	rnd 4	type Standard	result 1
		Opponent Kata, J (Jonathan)				Opponent Vermeulen, A (Anrich)
3	5	Tournament 2019 Wild Card Chess Championship				Tournament 2020 Blou Bul
		date 2020-01-11	rnd 6	type Standard	result 1	date 2020-02-15	rnd 3	type Standard	result 1
		Opponent Fillis, J (Jordan)				Opponent Liang, YT (Yi-Tao (Anson))

#	Games	Start				End
1	8	Tournament 2018 Super 12				Tournament 2019 Super 12 Laerskole
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Swart, Z (Zander)				Opponent Nel, A (Armand)
2	1	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 5	type Rapid	result 1	date 2019-05-04	rnd 5	type Rapid	result 1
		Opponent Malan, HB (Hendrik)				Opponent Malan, HB (Hendrik)

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	Badenhorst ,C (Chloe)	4	2	0	4	2	0	0	0	0	0	0	0
1	Badenhorst ,C (Chloe)	4	1260.3	1260.3	4	1251.4	1260.3	0	0	0	0	0	0
2	Aldum ,R (Rocco)	4	0	-425	4	0	-425	0	0	0	0	0	0
2	Aldum ,R (Rocco)	4	1251.6	826.6	4	1246.8	826.6	0	0	0	0	0	0
3	Simpson ,M (Michael)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
3	Simpson ,M (Michael)	4	1516.6	1304.1	4	1537.4	1304.1	0	0	0	0	0	0
4	Fourie ,K (Keanan)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
4	Fourie ,K (Keanan)	3	1286.7	1428.4	3	1288.4	1428.4	0	0	0	0	0	0
5	Chhiba ,N (Nikhil)	3	3	425	3	3	425	0	0	0	0	0	0
5	Chhiba ,N (Nikhil)	3	1146.9	1571.9	3	1150.8	1571.9	0	0	0	0	0	0
6	Boshoma ,C (Chifundo)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
6	Boshoma ,C (Chifundo)	3	1138.1	996.4	3	1162.5	996.4	0	0	0	0	0	0
7	Macdonald ,B (Brandon)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
7	Macdonald ,B (Brandon)	3	1186.3	1469.7	3	1179.8	1469.7	0	0	0	0	0	0
8	Coetsee ,D (Dewald)	2	1	0	2	1	0	0	0	0	0	0	0
8	Coetsee ,D (Dewald)	2	1384.3	1384.3	2	1388.7	1384.3	0	0	0	0	0	0
9	Horn ,E (Evan)	2	2	425	2	2	425	0	0	0	0	0	0
9	Horn ,E (Evan)	2	1310.5	1735.5	2	1306.9	1735.5	0	0	0	0	0	0
10	Francis ,A (Aaron)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Francis ,A (Aaron)	2	1260.2	1472.7	2	1253.9	1472.7	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, E (Ethan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms