Chess South Africa Ratings Database

PLAYER PAGE

Personal

Gruenenfelder, E (Ellie)

Chess SA id

2120109364

FIDE id

Date of birth

2012-09-16 (U16)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1335.6	1341.7	1196.2	1200
Raw rating	1335.6	1341.7	1196.2	1200
Weighted rating	1297.4	1297.7	1195.4	1200
Weighted performance	1299.2	1300.8	0	0
Floor	835.6	841.7	718.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	136.7	135.5	166.7	165.8
Highest rating	1335.6 2026-01-01	1341.7 2026-01-01	1270.2 2022-04-01	1200 2018-10-01
Highest raw rating	1335.6 2026-01-01	1341.7 2026-01-01	1218.4 2022-05-01	1200 2024-03-01
Highest weighted rating	1297.4 2026-01-01	1297.7 2026-01-01	1218.4 2023-11-01	1200 2018-10-01
Highest weighted performance	1300.6 2025-09-01	1300.8 2026-01-01	1270.2 2022-04-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1335.6	1341.7	1196.2	1200
Analysis
Rating	1335.6	1341.7	1196.2	1200
Raw rating	1335.6	1341.7	1196.2	1200
Weighted rating	1297.4	1297.7	1195.4
Weighted performance	1299.2	1300.8	0
K-factor	36	36	36	36
Floor	835.6	841.7	718.4	700
Max/Min rating change allowed	136.7	135.5	166.7	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	1335.6	1341.7	1196.2	1200
New weighted rating	1302.3	1303.1	1195.6	1200
New weighted performance	1290.2	1291.8	0	0
Temp new rating	1335.6	1341.7	1196.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1335.6	1341.7	1196.2	1200
New K-factor	36	36	36	36
New floor	835.6	841.7	718.4	700

Item	Main	Standard	Rapid
	0	0	0
	10	10	0
	30	30	0
	20	15	5
	33	26	7
	5	5	0
History	156	144	12

Games since
	Main 40	Standard 40		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3019		1017		163
Female	595		206		41
U14	552		178		30
U14 Female	143		49		10
Standard
	RSA		Province		Region
Overall	2878		1050		151
Female	545		198		29
U14	515		181		25
U14 Female	135		49		6
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-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	10	6	60	85	1313.9	1398.9
Standard	10	6	60	85	1313.9	1398.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	156	69.5	44.55	-46.3	1200.2	1153.9
Standard	144	63.5	44.1	-50.2	1200.3	1150.1
Rapid	12	6	50	0	1198.6	1198.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1335.6	1341.7	1196.2	1200
2025-11-30	1325.1	1330.2	1196.2	1200
2025-11-01	1325.1	1330.2	1196.2	1200
2025-09-30	1325.1	1330.2	1196.2	1200
2025-09-01	1325.1	1330.2	1196.2	1200
2025-08-01	1314.1	1317.9	1196.2	1200
2025-07-01	1314.1	1317.9	1196.2	1200
2025-06-01	1314.1	1317.9	1196.2	1200
2025-05-01	1288.3	1283.8	1196.2	1200
2025-04-01	1288.3	1283.8	1196.2	1200
2025-03-01	1288.3	1283.8	1196.2	1200
2025-02-01	1288.3	1283.8	1196.2	1200
2025-01-01	1288.3	1283.8	1193.2	1200
2024-12-01	1244.6	1236.6	1193.2	1200
2024-11-01	1244.6	1236.6	1193.2	1200
2024-10-01	1244.6	1236.6	1193.2	1200
2024-09-01	1244.6	1236.6	1193.2	1200
2024-11-01	1244.6	1236.6	1193.2	1200
2024-07-01	1253.3	1249.6	1193.2	1200
2024-06-01	1253.3	1249.6	1193.2	1200
2024-05-01	1253.3	1249.6	1193.2	1200
2024-04-01	1253.3	1249.6	1193.2	1200
2024-03-01	1179.8	1188.6	1193.2	1200
2024-02-01	1153.2	1158	1193.2	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	Gauteng Inter-Region at Emerald Resort 2025 (U14 Candidates)	2025-12-06	2025-12-07	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
2	2025 Tshwane South School District CLOSED League Championship (U13A)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	2025 Tshwane South School District Individual Finals (D4) (U13 Girls)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	Gauteng Inter-Region at UJ 2024 (U12 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
5	Ekurhuleni Trails 2 2024 (U14)	2024-07-27	2024-07-27	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
6	2024 Lubowski Open Chess Tournament (D2)	2024-03-23	2024-03-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
7	2024 Wynie Robbertse Chess Tournament (D2)	2024-03-02	2024-03-02	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
8	2024 Blou Bul Open Chess Tournament (D)	2024-02-10	2024-02-10	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
9	2024 Gauteng Inter-Region Chess Championship (U12 Girls B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
10	CCC Midstream Rapid 2023	2023-11-27	2023-11-27	Rapid	Tshwane (GTP)	5	5	2	Yes	Analysis
11	2023 Tshwane South School District CLOSED Individual Championships (U11 Girls)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
12	2023 Milos Ristic Open Tournament (D2)	2023-04-27	2023-04-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
13	Ekurhuleni Springs Open 4 March 2023 (D)	2023-03-04	2023-03-04	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
14	2022 South African Junior Team Chess Championships (U10+U12 Girls)	2022-12-04	2022-12-07	Standard	4 Knights (4K)	5	5	0	Yes	Analysis
15	Ekurhuleni Trials 2 2022 (U8+U10)	2022-05-28	2022-05-28	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
16	D4 Individuals 2022 (U11 Girls)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	4	Yes	Analysis
17	2022 Gauteng Interregion (U10 Girls)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
18	2022 Tshwane Chess Open Registration Tournament (D2)	2022-01-29	2022-01-29	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
19	Ekurhuleni Chess Open 2022 (D)	2022-01-08	2022-01-09	Standard	Ekurhuleni (GE)	7	7	3	Yes	Analysis
20	Ekurhuleni Trials (3)	2021-11-06	2021-11-06	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
21	2020 Waterkloof Open (E)	2020-02-29	2020-02-29	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
22	2020 Blou Bul (E)	2020-02-15	2020-02-15	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
23	2020 Registration Tournament (D)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
24	2019 South African Junior Team Championships (U8B+U8Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	5	0.5	Yes	Analysis
25	2019 TC SAJCC Prep Tournament (C)	2019-11-30	2019-11-30	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
26	2019 Etienne Lewis Trials (U8 Girls)	2019-08-30	2019-09-01	Standard	Tshwane (GTP)	7	7	3	Yes	Analysis
27	2019 Centurion Open (E+F)	2019-09-28	2019-09-28	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
28	2019 Swartkop Club Closed Championship (B)	2019-08-01	2019-08-15	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
29	2019 Alekhine Open (F)	2019-08-09	2019-08-09	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
30	Boksburg Chess Club Open 2019 (D)	2019-07-13	2019-07-13	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
31	2019 Waterkloof Open (F)	2019-03-02	2019-03-02	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
32	2019 Constantia Park Open (F)	2019-02-09	2019-02-09	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2022 Tshwane Chess Open Registration Tournament				Tournament 2022 Gauteng Interregion
		date 2022-01-29	rnd 2	type Standard	result 1	date 2022-02-26	rnd 1	type Standard	result 1
		Opponent Tenim, G (Gia)				Opponent Erwee, E (Elizabeth)
2	4	Tournament 2022 Gauteng Interregion				Tournament D4 Individuals 2022
		date 2022-02-26	rnd 3	type Standard	result 0.5	date 2022-04-23	rnd 1	type Rapid	result 1
		Opponent Crowie, A (Allegra)				Opponent Schutte, J (Jeanri)
3	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament 2025 Tshwane South School District Individual Finals (D4)
		date 2024-12-08	rnd 4	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Van Wyk, N (Nihann)				Opponent Sangweni, A (Anothile)

#	Games	Start				End
1	5	Tournament 2022 Gauteng Interregion				Tournament Ekurhuleni Trials 2 2022
		date 2022-02-26	rnd 3	type Standard	result 0.5	date 2022-05-28	rnd 3	type Standard	result 1
		Opponent Crowie, A (Allegra)				Opponent Van Der Schyff, M (Mila-Ne)
2	5	Tournament 2022 Tshwane Chess Open Registration Tournament				Tournament 2022 Gauteng Interregion
		date 2022-01-29	rnd 2	type Standard	result 1	date 2022-02-26	rnd 1	type Standard	result 1
		Opponent Tenim, G (Gia)				Opponent Erwee, E (Elizabeth)
3	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament 2025 Tshwane South School District Individual Finals (D4)
		date 2024-12-08	rnd 4	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Van Wyk, N (Nihann)				Opponent Sangweni, A (Anothile)

#	Games	Start				End
1	2	Tournament CCC Midstream Rapid 2023				Tournament CCC Midstream Rapid 2023
		date 2023-11-27	rnd 3	type Rapid	result 1	date 2023-11-27	rnd 4	type Rapid	result 1
		Opponent Snyman, L (Luan)				Opponent Vosloo, M (Martin)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Stols, Z (Zenica)				Opponent Stols, Z (Zenica)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 5	type Rapid	result 1	date 2022-04-23	rnd 5	type Rapid	result 1
		Opponent Padayachy, V (Vidya)				Opponent Padayachy, V (Vidya)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament 2025 Tshwane South School District Individual Finals (D4)
		date 2024-12-08	rnd 4	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Van Wyk, N (Nihann)				Opponent Sangweni, A (Anothile)
2	3	Tournament D4 Individuals 2022				Tournament Ekurhuleni Trials 2 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-05-28	rnd 3	type Standard	result 1
		Opponent Stols, Z (Zenica)				Opponent Van Der Schyff, M (Mila-Ne)
3	3	Tournament 2022 Tshwane Chess Open Registration Tournament				Tournament 2022 Gauteng Interregion
		date 2022-01-29	rnd 4	type Standard	result 1	date 2022-02-26	rnd 1	type Standard	result 1
		Opponent Sutherland, Y (Yunay)				Opponent Erwee, E (Elizabeth)

#	Games	Start				End
1	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament 2025 Tshwane South School District Individual Finals (D4)
		date 2024-12-08	rnd 4	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Van Wyk, N (Nihann)				Opponent Sangweni, A (Anothile)
2	3	Tournament 2022 Gauteng Interregion				Tournament Ekurhuleni Trials 2 2022
		date 2022-02-26	rnd 5	type Standard	result 1	date 2022-05-28	rnd 3	type Standard	result 1
		Opponent Du Randt, L (Lea)				Opponent Van Der Schyff, M (Mila-Ne)
3	3	Tournament 2022 Tshwane Chess Open Registration Tournament				Tournament 2022 Gauteng Interregion
		date 2022-01-29	rnd 4	type Standard	result 1	date 2022-02-26	rnd 1	type Standard	result 1
		Opponent Sutherland, Y (Yunay)				Opponent Erwee, E (Elizabeth)

#	Games	Start				End
1	2	Tournament CCC Midstream Rapid 2023				Tournament CCC Midstream Rapid 2023
		date 2023-11-27	rnd 3	type Rapid	result 1	date 2023-11-27	rnd 4	type Rapid	result 1
		Opponent Snyman, L (Luan)				Opponent Vosloo, M (Martin)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Stols, Z (Zenica)				Opponent Stols, Z (Zenica)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 5	type Rapid	result 1	date 2022-04-23	rnd 5	type Rapid	result 1
		Opponent Padayachy, V (Vidya)				Opponent Padayachy, V (Vidya)

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	Gruenenfelder ,L (Laker)	5	1.5	-170	5	1.5	-170	0	0	0	0	0	0
1	Gruenenfelder ,L (Laker)	5	1214.6	1044.6	5	1214.6	1044.6	0	0	0	0	0	0
2	Yang ,S (Selina)	4	0	-425	4	0	-425	0	0	0	0	0	0
2	Yang ,S (Selina)	4	1229.8	804.8	4	1234.1	804.8	0	0	0	0	0	0
3	Padayachy ,V (Vidya)	4	2	0	3	1	-141.7	1	1	425	0	0	0
3	Padayachy ,V (Vidya)	4	1166	1166	3	1203	1024.3	1	1200	1591	0	0	0
4	Bogaard ,A (Anneke)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
4	Bogaard ,A (Anneke)	3	1132.2	1273.9	3	1106.9	1273.9	0	0	0	0	0	0
5	Pillay ,V (Verana)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
5	Pillay ,V (Verana)	3	1179.8	1321.5	3	1169.1	1321.5	0	0	0	0	0	0
6	Du Rand ,L (Lea)	2	1	0	2	1	0	0	0	0	0	0	0
6	Du Rand ,L (Lea)	2	1212.1	1212.1	2	1207.2	1212.1	0	0	0	0	0	0
7	Dreyer ,M (Maria Margaretha (Aretha))	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
7	Dreyer ,M (Maria Margaretha (Aretha))	2	1191.8	1404.3	2	1193.2	1404.3	0	0	0	0	0	0
8	Botha ,CA (Cathri Amari)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Botha ,CA (Cathri Amari)	2	1467	1042	2	1447	1042	0	0	0	0	0	0
9	De Jager ,G (Gustave)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
9	De Jager ,G (Gustave)	2	1198.8	986.3	2	1197.1	986.3	0	0	0	0	0	0
10	Crowie ,A (Allegra)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Crowie ,A (Allegra)	2	1217.8	1430.3	2	1219.2	1430.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Gruenenfelder, E (Ellie)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms