PLAYER PAGE

Personal

Gruenenfelder, L (Laker)

Chess SA id

1120107815

FIDE id

?

Date of birth

2012-09-13 (U16)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

No

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 1390.9 1394.4 1182 1200
Raw rating 1390.9 1391.2 1182 1200
Weighted rating 1388.7 1394.4 1181.4 1200
Weighted performance 1298.6 1298.6 0 0
Floor 907.1 914.3 700 700
K-factor 32 32 36 36
Min/Max rating change allowed 126.3 126.3 170.1 165.8
Highest rating 1449.7
2024-08-01
1444.1
2024-08-01
1200
2018-10-01
1200
2018-10-01
Highest raw rating 1407.1
2025-03-01
1414.3
2025-03-01
1200
2020-01-01
1200
2024-02-01
Highest weighted rating 1388.7
2026-01-01
1394.4
2026-01-01
1200
2018-10-01
1200
2018-10-01
Highest weighted performance 1449.7
2024-08-01
1444.1
2024-08-01
1200
2020-01-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0.7 0 0
New rating 1390.9 1395.1 1182 1200
Analysis
Rating 1390.9 1394.4 1182 1200
Raw rating 1390.9 1391.2 1182 1200
Weighted rating 1388.7 1394.4 1181.4
Weighted performance 1298.6 1298.6 0
K-factor 32 32 36 36
Floor 907.1 914.3 700 700
Max/Min rating change allowed 126.3 126.3 170.1 165.8
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 1390.9 1391.2 1182 1200
New weighted rating 1389.9 1395.1 1181.5 1200
New weighted performance 1289.6 1289.7 0 0
Temp new rating 1390.9 1395.1 1182 1200
Temp new rating +/- 0 0.7 0 0
Final new rating +/- 0 0.7 0 0
New rating 1390.9 1395.1 1182 1200
New K-factor 32 32 36 36
New floor 907.1 914.3 700 700

Item Main Standard Rapid Blitz
0 0 0 0
15 15 0 0
30 30 0 0
25 20 5 0
33 33 0 0
5 5 0 0
History 186 181 5 0

Games since
Main
45
Standard
45
Rapid
0
Blitz
0
Gender Male
Age group U14
Region Ekurhuleni (GE)
Province Gauteng (GT)
Main
RSA Province Region
Overall 2321 816 134
Male 1882 654 103
U14 381 129 22
U14 Male 277 91 16
Standard
RSA Province Region
Overall 2166 804 110
Male 1761 649 91
U14 356 125 18
U14 Male 259 87 14
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U14 -1 -1 -1
U14 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U14 -1 -1 -1
U14 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 15 9 60 85 1293.7 1378.7
Standard 15 9 60 85 1293.7 1378.7
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 186 102.5 55.11 43.4 1213.2 1256.7
Standard 181 100.5 55.52 47 1213.4 1260.4
Rapid 5 2 40 -85 1206.4 1121.4
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2026-01-01 1390.9 1391.2 1182 1200
2025-11-30 1388.5 1389.6 1182 1200
2025-11-01 1388.5 1389.6 1182 1200
2025-09-30 1388.5 1389.6 1182 1200
2025-09-01 1388.5 1389.6 1182 1200
2025-08-01 1407 1412.6 1182 1200
2025-07-01 1407 1412.6 1182 1200
2025-06-01 1407 1412.6 1182 1200
2025-05-01 1407.1 1414.3 1182 1200
2025-04-01 1407.1 1414.3 1182 1200
2025-03-01 1407.1 1414.3 1182 1200
2025-02-01 1390.1 1399.8 1182 1200
2025-01-01 1390.1 1399.8 1179.6 1200
2024-12-01 1376.9 1387.6 1179.6 1200
2024-11-01 1376.9 1387.6 1179.6 1200
2024-10-01 1376 1389 1179.6 1200
2024-09-01 1376 1389 1179.6 1200
2024-11-01 1356.6 1366.7 1179.6 1200
2024-07-01 1332.4 1343.3 1179.6 1200
2024-06-01 1332.4 1343.3 1179.6 1200
2024-05-01 1332.4 1343.3 1179.6 1200
2024-04-01 1332.4 1343.3 1179.6 1200
2024-03-01 1329.4 1343.7 1179.6 1200
2024-02-01 1309.4 1323.5 1179.6 1200

Comming soon.

Tournaments

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 2.5 Yes Analysis
3 2025 Tshwane South School District Individual Finals (D4) (U13 Boys) 2025-05-10 2025-05-10 Standard Tshwane (GTP) 5 5 3 Yes Analysis
4 2025 Blou Bul Open Chess Tournament (D2) 2025-02-08 2025-02-08 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
5 Gauteng Inter-Region at UJ 2024 (U14 Open) 2024-12-07 2024-12-08 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
6 Gauteng Top Schools 2024 (U13 Open) 2024-10-04 2024-10-04 Standard Ekurhuleni (GE) 5 3 2 Yes Analysis
7 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13A) 2024-08-03 2024-08-03 Standard Tshwane (GTP) 5 2 2 Yes Analysis
8 Ekurhuleni Trails 2 2024 (U14) 2024-07-27 2024-07-27 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
9 2024 Wynie Robbertse Chess Tournament (D2) 2024-03-02 2024-03-02 Standard Tshwane (GTP) 5 5 3 Yes Analysis
10 2024 Blou Bul Open Chess Tournament (D) 2024-02-10 2024-02-10 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
11 2024 Gauteng Inter-Region Chess Championship (U12A) 2024-01-13 2024-01-14 Standard Tshwane (GTP) 5 5 2 Yes Analysis
12 CCC Midstream Rapid 2023 2023-11-27 2023-11-27 Rapid Tshwane (GTP) 5 5 2 Yes Analysis
13 2023 Tshwane South School District CLOSED Individual Championships (U11 Open) 2023-04-22 2023-04-22 Standard Tshwane (GTP) 5 5 4 Yes Analysis
14 2023 Milos Ristic Open Tournament (C) 2023-04-27 2023-04-27 Standard Tshwane (GTP) 5 5 2 Yes Analysis
15 Ekurhuleni Springs Open 4 March 2023 (D) 2023-03-04 2023-03-04 Standard Ekurhuleni (GE) 5 5 3.5 Yes Analysis
16 Laerskool Constantiapark Open Chess Tournament 2023 (U12) 2023-02-18 2023-02-18 Standard Tshwane (GTP) 5 5 3 Yes Analysis
17 2022 South African Junior Team Chess Championships (U12 Open) 2022-12-04 2022-12-08 Standard 4 Knights (4K) 7 6 4 Yes Analysis
18 Ekurhuleni Trials 2 2022 (U12) 2022-05-28 2022-05-28 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
19 CP Ope 2022 (D1) 2022-02-19 2022-02-19 Standard Tshwane (GTP) 5 5 4 Yes Analysis
20 2022 Gauteng Interregion (U10 Open) 2022-02-26 2022-02-26 Standard Tshwane (GTP) 5 5 2 Yes Analysis
21 2022 Tshwane Chess Open Registration Tournament (D2) 2022-01-29 2022-01-29 Standard Tshwane (GTP) 5 5 2.5 Yes Analysis
22 Ekurhuleni Chess Open 2022 (D) 2022-01-08 2022-01-09 Standard Ekurhuleni (GE) 7 7 3 Yes Analysis
23 Ekurhuleni Trials (3) 2021-11-06 2021-11-06 Standard Ekurhuleni (GE) 5 5 3 Yes Analysis
24 2020 Waterkloof Open (E) 2020-02-29 2020-02-29 Standard Tshwane (GTP) 5 5 2 Yes Analysis
25 2020 Blou Bul (E) 2020-02-15 2020-02-15 Standard Tshwane (GTP) 5 5 3 Yes Analysis
26 2020 Registration Tournament (D) 2020-01-25 2020-01-25 Standard Tshwane (GTP) 5 5 1 Yes Analysis
27 2019 South African Junior Team Championships (U8A) 2020-01-04 2020-01-08 Standard 4 Knights (4K) 7 7 3.5 Yes Analysis
28 2019 TC SAJCC Prep Tournament (C) 2019-11-30 2019-11-30 Standard Tshwane (GTP) 5 5 3 Yes Analysis
29 2019 Etienne Lewis Trials (U8 Boys) 2019-08-30 2019-09-01 Standard Tshwane (GTP) 7 7 3.5 Yes Analysis
30 2019 Centurion Open (D) 2019-09-28 2019-09-28 Standard Tshwane (GTP) 5 4 1.5 Yes Analysis
31 2019 Swartkop Club Closed Championship (B) 2019-08-01 2019-08-15 Standard Tshwane (GTP) 5 5 2 Yes Analysis
32 2019 Alekhine Open (F) 2019-08-09 2019-08-09 Standard Tshwane (GTP) 5 5 4 Yes Analysis
33 Boksburg Chess Club Open 2019 (D) 2019-07-13 2019-07-13 Standard Ekurhuleni (GE) 5 5 2 Yes Analysis
34 2019 Waterkloof Open (F) 2019-03-02 2019-03-02 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
35 2019 D4 Individual Finals (U9 Mixed) 2019-03-09 2019-03-09 Standard Tshwane (GTP) 5 5 1 Yes Analysis
36 2019 Constantia Park Open (F) 2019-02-09 2019-02-09 Standard Tshwane (GTP) 5 5 3.5 Yes Analysis
37 2019 Tshwane Chess Registration Tournament (F) 2019-01-26 2019-01-26 Standard Tshwane (GTP) 5 5 3 Yes Analysis
38 Boksburg Open 2019 (D) 2019-01-19 2019-01-19 Standard Ekurhuleni (GE) 5 5 2 Yes Analysis

Top 3 Streaks

# Games Start End
1 7 Tournament
Ekurhuleni Trails 2 2024
Tournament
Gauteng Top Schools 2024
date
2024-07-27
rnd
2
type
Standard
result
1
date
2024-10-04
rnd
2
type
Standard
result
1
Opponent
Nene, S (Sisekelo)
Opponent
Alexander, M (Muhammad)
2 6 Tournament
2024 Blou Bul Open Chess Tournament
Tournament
2024 Wynie Robbertse Chess Tournament
date
2024-02-10
rnd
3
type
Standard
result
1
date
2024-03-02
rnd
3
type
Standard
result
1
Opponent
De Klerk, O (Oliver)
Opponent
Westermann, L (Liezl)
3 6 Tournament
2019 Constantia Park Open
Tournament
2019 Waterkloof Open
date
2019-02-09
rnd
3
type
Standard
result
1
date
2019-03-02
rnd
3
type
Standard
result
1
Opponent
Pillay, V (Verana)
Opponent
Gruenenfelder, E (Ellie)
# Games Start End
1 7 Tournament
Ekurhuleni Trails 2 2024
Tournament
Gauteng Top Schools 2024
date
2024-07-27
rnd
2
type
Standard
result
1
date
2024-10-04
rnd
2
type
Standard
result
1
Opponent
Nene, S (Sisekelo)
Opponent
Alexander, M (Muhammad)
2 6 Tournament
2024 Blou Bul Open Chess Tournament
Tournament
2024 Wynie Robbertse Chess Tournament
date
2024-02-10
rnd
3
type
Standard
result
1
date
2024-03-02
rnd
3
type
Standard
result
1
Opponent
De Klerk, O (Oliver)
Opponent
Westermann, L (Liezl)
3 6 Tournament
2019 Constantia Park Open
Tournament
2019 Waterkloof Open
date
2019-02-09
rnd
3
type
Standard
result
1
date
2019-03-02
rnd
3
type
Standard
result
1
Opponent
Pillay, V (Verana)
Opponent
Gruenenfelder, E (Ellie)
# Games Start End
1 2 Tournament
CCC Midstream Rapid 2023
Tournament
CCC Midstream Rapid 2023
date
2023-11-27
rnd
2
type
Rapid
result
1
date
2023-11-27
rnd
3
type
Rapid
result
1
Opponent
Gruenenfelder, W (Werni)
Opponent
Smit, I (Ilze-Mari)
No games found.
# Games Start End
# Games Start End
1 7 Tournament
Ekurhuleni Trails 2 2024
Tournament
Gauteng Top Schools 2024
date
2024-07-27
rnd
2
type
Standard
result
1
date
2024-10-04
rnd
2
type
Standard
result
1
Opponent
Nene, S (Sisekelo)
Opponent
Alexander, M (Muhammad)
2 6 Tournament
2024 Blou Bul Open Chess Tournament
Tournament
2024 Wynie Robbertse Chess Tournament
date
2024-02-10
rnd
3
type
Standard
result
1
date
2024-03-02
rnd
3
type
Standard
result
1
Opponent
De Klerk, O (Oliver)
Opponent
Westermann, L (Liezl)
3 6 Tournament
2019 Constantia Park Open
Tournament
2019 Waterkloof Open
date
2019-02-09
rnd
3
type
Standard
result
1
date
2019-03-02
rnd
3
type
Standard
result
1
Opponent
Pillay, V (Verana)
Opponent
Gruenenfelder, E (Ellie)
# Games Start End
1 7 Tournament
Ekurhuleni Trails 2 2024
Tournament
Gauteng Top Schools 2024
date
2024-07-27
rnd
2
type
Standard
result
1
date
2024-10-04
rnd
2
type
Standard
result
1
Opponent
Nene, S (Sisekelo)
Opponent
Alexander, M (Muhammad)
2 6 Tournament
2024 Blou Bul Open Chess Tournament
Tournament
2024 Wynie Robbertse Chess Tournament
date
2024-02-10
rnd
3
type
Standard
result
1
date
2024-03-02
rnd
3
type
Standard
result
1
Opponent
De Klerk, O (Oliver)
Opponent
Westermann, L (Liezl)
3 6 Tournament
2019 Constantia Park Open
Tournament
2019 Waterkloof Open
date
2019-02-09
rnd
3
type
Standard
result
1
date
2019-03-02
rnd
3
type
Standard
result
1
Opponent
Pillay, V (Verana)
Opponent
Gruenenfelder, E (Ellie)
# Games Start End
1 2 Tournament
CCC Midstream Rapid 2023
Tournament
CCC Midstream Rapid 2023
date
2023-11-27
rnd
2
type
Rapid
result
1
date
2023-11-27
rnd
3
type
Rapid
result
1
Opponent
Gruenenfelder, W (Werni)
Opponent
Smit, I (Ilze-Mari)
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
Aor Prat Aor Prat Aor Prat Aor Prat
1 Gruenenfelder ,E (Ellie) 5 3.5 170 5 3.5 170 0 0 0 0 0 0
1138.8 1308.8 1136 1308.8 0 0 0 0
2 Bogaard ,A (Anneke) 3 2.5 283.3 3 2.5 283.3 0 0 0 0 0 0
1067 1350.3 1029.2 1350.3 0 0 0 0
3 Yang ,JD (Daniel) 3 0 -425 3 0 -425 0 0 0 0 0 0
1467.3 1042.3 1464.5 1042.3 0 0 0 0
4 Theron ,C (Carla) 3 1 -141.7 3 1 -141.7 0 0 0 0 0 0
1287.9 1146.2 1279.7 1146.2 0 0 0 0
5 Jansen Van Vuuren ,G (Gianni) 3 1.5 0 3 1.5 0 0 0 0 0 0 0
1195.1 1195.1 1192.9 1195.1 0 0 0 0
6 Visser ,A (Aaron) 3 2.5 283.3 3 2.5 283.3 0 0 0 0 0 0
1214.8 1498.1 1204.6 1498.1 0 0 0 0
7 Erasmus ,KA (Kean Andre) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
1062.3 1203.9 1045.2 1203.9 0 0 0 0
8 Kleijnhans ,J (Josua) 2 1 0 2 1 0 0 0 0 0 0 0
1197.9 1197.9 1192.1 1197.9 0 0 0 0
9 Van Der Schyff ,C (Charlize) 2 0 -425 2 0 -425 0 0 0 0 0 0
1236.8 811.8 1232.4 811.8 0 0 0 0
10 Van Der Walt ,N (Nina) 2 2 425 2 2 425 0 0 0 0 0 0
1104.2 1529.2 1085.2 1529.2 0 0 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
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