PLAYER PAGE

Stiaan Gruenenfelder

108079040
Ekurhuleni (GE)
Personal
Main rating
Rating 1511.9
K-factor 32
Floor 1011.9
Highest 1511.9 (2026-01-01)
Min/Max +/- allowed 106
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1459.2
Final +/- 0
New Rating
()
Rating 1511.9
K-factor 32
Floor 1011.9
Highest 1511.9 (2026-01-01)
Min/Max +/- allowed 106.3
Standard rating
Rating 1513.9
K-factor 32
Floor 1013.9
Highest 1513.9 (2026-01-01)
Min/Max +/- allowed 106
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1459.2
Final +/- 0
New Rating
()
Rating 1513.9
K-factor 32
Floor 1013.9
Highest 1513.9 (2026-01-01)
Min/Max +/- allowed 106
Rapid rating
Rating 1051.9
K-factor 40
Floor 551.9
Highest 1342.8 (2023-05-01)
Min/Max +/- allowed 135.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1051.9
K-factor 40
Floor 551.9
Highest 1342.8 (2023-05-01)
Min/Max +/- allowed 135.3
Blitz rating
Rating 694
K-factor 40
Floor 500
Highest 1200 (2024-02-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 694
K-factor 40
Floor 500
Highest 1200 (2024-02-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Gauteng Inter-Region at Emerald Resort 2025 (U16+18 Candidates) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1446.9 5 5 1806 0 Details
2 2025 Tshwane South School District CLOSED League Championship (U17A) Standard 2025-08-16 2025-08-16 Tshwane (GTP) 5 1409.5 5 4 1641.6 0 Details
3 2025 Tshwane South School District Individual Finals (D4) (U18 Boys) Standard 2025-05-10 2025-05-10 Tshwane (GTP) 5 1412.5 5 1.5 1184.5 0 Details
4 Gauteng Inter-Region at UJ 2024 (U18 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1389.6 5 2.5 1525.9 0 Details
5 Ekurhuleni Trails 2 2024 (U18-U20) Standard 2024-07-27 2024-07-27 Ekurhuleni (GE) 5 1437.7 5 2 1120.6 0 Details
6 2024 Lubowski Open Chess Tournament (C) Standard 2024-03-23 2024-03-24 Tshwane (GTP) 5 1417.2 5 3 1539.9 0 Details
7 2024 Gauteng Inter-Region Chess Championship (U16A) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1405.2 5 2.5 1465.7 0 Details
8 CCC Midstream Rapid 2023 Rapid 2023-11-27 2023-11-27 Tshwane (GTP) 5 1417.4 5 2.5 1257 0 Details
9 2023 Gauteng Top Schools (U17 Mixed) Standard 2023-08-19 2023-08-19 West Rand (GWR) 5 1387.5 4 2.5 1451.6 0 Details
10 2023 Tshwane South School District CLOSED League Championship (U17) Standard 2023-07-29 2023-07-29 Tshwane (GTP) 5 1319 5 4 1587.9 0 Details
11 Gauteng Open Arnold Classic 2023 (U16) Rapid 2023-05-19 2023-05-19 Tshwane (GTP) 5 1294.8 5 4 1514.2 0 Details
12 2023 Tshwane South School District CLOSED Individual Championships (U15 Open) Standard 2023-04-22 2023-04-22 Tshwane (GTP) 5 1368.8 5 3 1409.5 0 Details
13 2023 Milos Ristic Open Tournament (B) Standard 2023-04-27 2023-04-27 Tshwane (GTP) 5 1368.8 5 2 1291.3 0 Details
14 2023 South African Junior Closed Chess Championships (U16 Open) Classical 2023-03-31 2023-04-04 Chess South Africa (CSA) 9 1368.8 8 1 1146.7 0 Details
15 2022 South African Junior Wild Card Chess Championships (U16 Open) Classical 2022-12-09 2022-12-12 4 Knights (4K) 7 1374.2 7 3.5 1409.8 0 Details
16 2022 South African Junior Team Chess Championships (U16 Open) Classical 2022-12-04 2022-12-08 4 Knights (4K) 7 1374.2 7 3.5 1326.6 0 Details
17 Ekurhuleni Trials 2 2022 (U16) Standard 2022-05-28 2022-05-28 Ekurhuleni (GE) 5 1363.7 5 3.5 1435 0 Details
18 D4 Individuals 2022 (U15 Open) Rapid 2022-04-23 2022-04-23 Tshwane (GTP) 7 1349.7 7 4.5 1442.5 0 Details
19 CP Ope 2022 (C) Standard 2022-02-19 2022-02-19 Tshwane (GTP) 5 1385 5 3 1269.7 0 Details
20 2022 Gauteng Interregion (U14 Open) Standard 2022-02-26 2022-02-26 Tshwane (GTP) 5 1385 3 1 1223.1 0 Details
21 2022 Tshwane Chess Open Registration Tournament (C1) Standard 2022-01-29 2022-01-29 Tshwane (GTP) 5 1357.6 5 4 1538.9 0 Details
22 Ekurhuleni Trials (3) Standard 2021-11-06 2021-11-06 Ekurhuleni (GE) 5 1365.4 5 3 1322.3 0 Details
23 2021 Gauteng Schools Chess Championships (U13 Boys) Standard 2021-10-16 2021-10-16 Tshwane (GTP) 5 1338.3 5 4 1517.1 0 Details
24 Ekurhuleni Chess Kempton Park Open 2020 (B) Standard 2020-11-21 2020-11-21 Ekurhuleni (GE) 5 1338.3 0 0 0 0 Details
25 2020 Waterkloof Open (C) Standard 2020-02-29 2020-03-01 Tshwane (GTP) 5 1309.7 5 3.5 1464.4 0 Details
26 2020 Blou Bul (C) Standard 2020-02-15 2020-02-15 Tshwane (GTP) 5 1292.4 5 4 1393.2 0 Details
27 2020 Registration Tournament (C) Standard 2020-01-25 2020-01-25 Tshwane (GTP) 5 1407.1 5 2 1128.8 0 Details
28 2019 South African Junior Team Championships (U12B) Classical 2020-01-04 2020-01-08 4 Knights (4K) 7 1407.1 7 2.5 1144.5 0 Details
29 2019 TC SAJCC Prep Tournament (A) Standard 2019-11-30 2019-11-30 Tshwane (GTP) 5 1415.9 5 2 1354.6 0 Details
30 2019 Etienne Lewis Trials (U12 Boys) Classical 2019-08-30 2019-09-01 Tshwane (GTP) 7 1298.3 5 4 1524 0 Details
31 2019 Swartkop Club Closed Championship (A) Standard 2019-08-01 2019-08-15 Tshwane (GTP) 5 932 5 4.5 1457.7 0 Details
32 2019 Alekhine Open (C) Classical 2019-08-09 2019-08-10 Tshwane (GTP) 5 932 5 4 1546.8 0 Details
33 Boksburg Chess Club Open 2019 (C) Standard 2019-07-13 2019-07-13 Ekurhuleni (GE) 5 857.3 5 3 1270.4 0 Details
34 2018 D4 Tshwane North Individual Chess Championships (U11 Boys) Standard 2018-03-10 2018-03-10 Tshwane (GTP) 5 783.9 5 4 1156 0 Details
35 2018 Constantia Park Open (C) Standard 2018-02-10 2018-02-10 Tshwane (GTP) 5 838.7 5 0 568.1 0 Details
36 2018 Tshwane Registration Open Chess Tournament (D) Standard 2018-01-27 2018-01-27 Tshwane (GTP) 5 694 5 3 810.7 0 Details
37 South African Junior Team Championships 2017 (U10B) Classical 2018-01-04 2018-01-08 4 Knights (4K) 7 694 6 6 1122.1 0 Details
38 2017 Tshwane Chess Scheveningen (Section 4) Standard 2017-12-02 2017-12-02 Tshwane (GTP) 5 638 5 4.5 915 0 Details
39 2017 Lardies Open (D) Standard 2017-10-28 2017-10-28 Tshwane (GTP) 5 610 4 3 789 0 Details
40 2017 Gauteng North Open (D) Standard 2017-10-21 2017-10-21 Tshwane (GTP) 5 610 5 2.5 632 0 Details
41 2017 Jacaranda Open (D) Standard 2017-10-14 2017-10-14 Tshwane (GTP) 5 594 5 3 654 0 Details
42 2017 Swartkop Club Term 3 (Rr2) Standard 2017-08-24 2017-09-21 Tshwane (GTP) 5 561 5 2.5 653 0 Details
43 2017 Tshwane Chess Etienne Lewis (U10 Boys) Classical 2017-09-01 2017-09-03 Tshwane (GTP) 7 561 7 3 605 0 Details
44 2017 Centurion Open (D) Standard 2017-08-19 2017-08-19 Tshwane (GTP) 5 503 5 3 762 0 Details
45 2017 Alekhine (C) Standard 2017-08-04 2017-08-05 Tshwane (GTP) 5 503 4 1 500 0 Details
46 2017 Centurion Chess Club Championship Standard 2017-05-03 2017-06-28 Tshwane (GTP) 7 555 4 1 500 0 Details
47 2017 Swartkop Chess Club Championship (Blitz) Blitz 2017-06-22 2017-06-22 Tshwane (GTP) 5 100 4 3 500 0 Details
48 2017 Crawford Open (E) Standard 2017-03-25 2017-03-25 Tshwane (GTP) 5 523 5 3 645 0 Details
49 Centurion Chess Club - Rapid 1 2017-03-15 Rapid 2017-03-15 2017-03-15 Tshwane (GTP) 6 100 6 3 500 0 Details
50 2017 Laerskool Constantiapark Ope (D) Standard 2017-02-11 2017-02-11 Tshwane (GTP) 5 518 5 3 616 0 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics (History)
Games 189
Wins 99
Draws 26
Losses 64
White 98
Black 91
White wins 56
Black wins 43
Score 112
Percent 59.3
Dp 78.7
AOR 1260.7
Performance 1339.4
Rankings (Main)
National
Overall 1698
Gender 1505
Age group 198
Gender/Age 169
Provincial
Overall 589
Gender 513
Age group 69
Gender/Age 57
Regional
Overall 91
Gender 80
Age group 15
Gender/Age 12
Rankings (Standard)
National
Overall 1536
Gender 1356
Age group 178
Gender/Age 155
Provincial
Overall 539
Gender 471
Age group 60
Gender/Age 52
Regional
Overall 79
Gender 68
Age group 11
Gender/Age 9
Rankings (Rapid)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (12 months)
Games 15
Score 10.5
Percent 70
Aor 1374
Dp 170
Prat 1544
Performance (History)
Games 189
Score 112
Percent 59.3
Aor 1260.7
Dp 78.7
Prat 1339.4
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Nason, C (Cyle) 4 2 2 D4 Individuals 2022 (U15 Open) 2023 Tshwane South School District CLOSED Individual Championships (U15 Open) Details
Overall 2 De Vries, MA (Andrio) 3 0 3 2019 TC SAJCC Prep Tournament (A) 2024 Gauteng Inter-Region Chess Championship (U16A) Details
Overall 3 Gruenenfelder, W (Werni) 3 2 1 2019 Swartkop Club Closed Championship (A) 2025 Tshwane South School District Individual Finals (D4) (U18 Boys) Details
Overall 4 Bhika, J (Jyotikka) 2 1 1 Ekurhuleni Trials 2 2022 (U16) Ekurhuleni Trails 2 2024 (U18-U20) Details
Overall 5 Pillay, T (Tahir) 2 2 0 2018 Tshwane Registration Open Chess Tournament (D) 2019 Alekhine Open (C) Details
Standard 1 Nason, C (Cyle) 3 1 2 2022 South African Junior Wild Card Chess Championships (U16 Open) 2023 Tshwane South School District CLOSED Individual Championships (U15 Open) Details
Standard 2 De Vries, MA (Andrio) 3 0 3 2019 TC SAJCC Prep Tournament (A) 2024 Gauteng Inter-Region Chess Championship (U16A) Details
Standard 3 Maseko, U (Unathi) 2 1 1 2023 Gauteng Top Schools (U17 Mixed) Gauteng Inter-Region at UJ 2024 (U18 Open) Details
Standard 4 De Wet, CR (Christiaan Rudolph) 2 1 1 2018 Tshwane Registration Open Chess Tournament (D) 2020 Blou Bul (C) Details
Standard 5 Du Plessis, LD (Liam Douw) 2 2 0 2018 Constantia Park Open (C) 2018 D4 Tshwane North Individual Chess Championships (U11 Boys) Details
Rapid 1 Van Der Merwe, C (Carel Ignatius) 2 0 2 D4 Individuals 2022 (U15 Open) CCC Midstream Rapid 2023 Details