Player Page

Gruenenfelder, S (Stiaan)
Dob: 2008/07/08 (U18)
Gender: Male
Chess SA id: 108079040
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2024/03/24 (35 days ago)
Ratings
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating1437.7
Curent Weighted rating1391.1
Curent Weighted performance1383.0
Current official/published rating (highest between Raw, WR and WP)1437.7
Current floor (min rating allowed)937.7
Current highest rating achieved1437.7
Current K-factor32
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±118.2
Current Raw change used (final)0.0
Projected new Raw rating1437.7
Projected new Weighed rating1395.6
Projected new Weighted performance1383.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1437.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1437.7
Projected new floor937.7
Projected new K-facor32
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating1430.4
Curent Weighted rating1373.0
Curent Weighted performance1413.5
Current official/published rating (highest between Raw, WR and WP)1430.4
Current floor (min rating allowed)930.4
Current highest rating achieved1430.4
Current K-factor32
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±119.4
Current Raw change used (final)0.0
Projected new Raw rating1430.4
Projected new Weighed rating1378.5
Projected new Weighted performance1413.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1430.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1430.4
Projected new floor930.4
Projected new K-facor32
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating1051.9
Curent Weighted rating973.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1051.9
Current floor (min rating allowed)551.9
Current highest rating achieved1051.9
Current K-factor40
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±204.8
Current Raw change used (final)0.0
Projected new Raw rating1051.9
Projected new Weighed rating983.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1051.9
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1051.9
Projected new floor551.9
Projected new K-facor40
Raw rating=Current rating, Weighted rating (WR)Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Curent Raw rating694.0
Curent Weighted rating694.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)694.0
Current floor (min rating allowed)551.9
Current highest rating achieved694.0
Current K-factor40
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±341.0
Current Raw change used (final)0.0
Projected new Raw rating694.0
Projected new Weighed rating694.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)694.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating694.0
Projected new floor551.9
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 2024 Lubowski Open Chess Tournament (C) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1417.2 1406.1 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U16A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 2.5 1405.2 1391.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
32 2024 Lubowski Open Chess Tournament (C) 2024/03/23 2024/03/24 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1417.2 1406.1 Analysis
31 2024 Gauteng Inter-Region Chess Championship (U16A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 2.5 1405.2 1391.1 Analysis
30 CCC Midstream Rapid 2023 2023/11/27 2023/11/27 Tshwane (GTP) Rapid 15 0.39 5 5 2.5 1417.4 984.4 Analysis
29 2023 Gauteng Top Schools (U17 Mixed) 2023/08/19 2023/08/19 West Rand (GWR) Standard 60 0.83 5 4 2.5 1387.5 1361.7 Analysis
28 2023 Tshwane South School District CLOSED League Championship (U17) 2023/07/29 2023/07/29 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1319.0 1285.9 Analysis
27 Gauteng Open Arnold Classic 2023 (U16) 2023/05/19 2023/05/19 Tshwane (GTP) Rapid 30 0.60 5 5 4.0 1294.8 838.4 Analysis
26 2023 Milos Ristic Open Tournament (B) 2023/04/27 2023/04/27 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1368.8 1352.2 Analysis
25 2023 Tshwane South School District CLOSED Individual Championships (U15 Open) 2023/04/22 2023/04/22 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1368.8 1352.2 Analysis
24 2023 South African Junior Closed Chess Championships (U16 Open) 2023/03/31 2023/04/04 Chess South Africa (CSA) Standard 120 1.00 9 8 1.0 1368.8 1352.2 Analysis
23 2022 South African Junior Wild Card Chess Championships (U16 Open) 2022/12/09 2022/12/12 4 Knights (4K) Standard 120 1.00 7 7 3.5 1374.2 1354.8 Analysis
22 2022 South African Junior Team Chess Championships (U16 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 7 3.5 1374.2 1354.8 Analysis
21 Ekurhuleni Trials 2 2022 (U16) 2022/05/28 2022/05/28 Ekurhuleni (GE) Standard 62 0.84 5 5 3.5 1363.7 1339.8 Analysis
20 D4 Individuals 2022 (U15 Open) 2022/04/23 2022/04/23 Tshwane (GTP) Rapid 30 0.60 7 7 4.5 1349.7 694.0 Analysis
19 2022 Gauteng Interregion (U14 Open) 2022/02/26 2022/02/26 Tshwane (GTP) Standard 60 0.83 5 3 1.0 1385.0 1384.9 Analysis
18 CP Ope 2022 (C) 2022/02/19 2022/02/19 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1385.0 1384.9 Analysis
17 2022 Tshwane Chess Open Registration Tournament (C1) 2022/01/29 2022/01/29 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1357.6 1353.5 Analysis
16 Ekurhuleni Trials (3) 2021 (U14) 2021/11/06 2021/11/06 Ekurhuleni (GE) Standard 62 0.84 5 5 3.0 1365.4 1365.0 Analysis
15 2021 Gauteng Schools Chess Championships (U13 Boys) 2021/10/16 2021/10/16 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1338.3 1330.1 Analysis
14 Ekurhuleni Chess Kempton Park Open 2020 (B) 2020/11/21 2020/11/21 Ekurhuleni (GE) Standard 60 0.83 5 0 0.0 1338.3 1330.1 Analysis
13 2020 Waterkloof Open (C) 2020/02/29 2020/03/01 Tshwane (GTP) Standard 90 0.94 5 5 3.5 1309.7 1298.1 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 5 1 4 5.5 55.0 42.5 1460.3 1502.8
White 5 3 1 1 3.5 70.0 170.0 1395.7 1565.7
Black 5 2 0 3 2.0 40.0 -85.0 1524.8 1439.8
Standard All 10 5 1 4 5.5 55.0 42.5 1460.3 1502.8
White 5 3 1 1 3.5 70.0 170.0 1395.7 1565.7
Black 5 2 0 3 2.0 40.0 -85.0 1524.8 1439.8
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 164 87 20 57 97.0 59.1 77.7 1244.0 1321.7
White 87 50 13 24 56.5 64.9 127.0 1237.7 1364.7
Black 77 37 7 33 40.5 52.6 22.1 1251.0 1273.1
Standard All 147 77 18 52 86.0 58.5 72.3 1239.3 1311.6
White 77 43 12 22 49.0 63.6 115.9 1233.0 1348.9
Black 70 34 6 30 37.0 52.9 24.3 1246.3 1270.6
Rapid All 17 10 2 5 11.0 64.7 125.0 1284.0 1409.0
White 10 7 1 2 7.5 75.0 212.5 1274.2 1486.7
Black 7 3 1 3 3.5 50.0 0.0 1298.0 1298.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1080105125 Nason, C (Cyle) 4 2.0 1 2 1 50.0 1365.4 0.0 1365.4 View list
2 108082684 De Vries, MA (Andrio) 3 0.0 0 0 3 0.0 1396.6 -425.0 971.6 View list
3 109088372 Gruenenfelder, W (Werni) 2 2.0 2 0 0 100.0 1174.7 425.0 1599.7 View list
4 111088592 Pillay, T (Tahir) 2 2.0 2 0 0 100.0 813.0 425.0 1238.0 View list
5 106057115 De Wet, CR (Christiaan) 2 1.0 1 0 1 50.0 993.2 0.0 993.2 View list
6 107070812 Du Plessis, LD (Liam) 2 1.0 1 0 1 50.0 811.3 0.0 811.3 View list
7 108088678 Pearson, D (Dane) 2 1.0 0 2 0 50.0 1371.5 0.0 1371.5 View list
8 108088680 Pearson, E (Ethan) 2 1.0 0 2 0 50.0 1390.7 0.0 1390.7 View list
9 1070140007 Van Der Merwe, C (Carel Ignatius) 2 0.0 0 0 2 0.0 1383.6 -425.0 958.6 View list
10 108064849 Ziegenhagen, V (Vian Luke) 2 0.0 0 0 2 0.0 1376.9 -425.0 951.9 View list
11 108084451 Cronje, NM (Nicolaas Mattheus) 1 1.0 1 0 0 100.0 694.0 425.0 1119.0 View list
12 1090155564 Chesire, R (Ryan) 1 1.0 1 0 0 100.0 1294.8 425.0 1719.8 View list
13 109069449 Boheim, E (Eugene) 1 1.0 1 0 0 100.0 694.0 425.0 1119.0 View list
14 208066161 Bhika, J (Jyotikka) 1 1.0 1 0 0 100.0 1363.7 425.0 1788.7 View list
15 1070097358 Bell, S (Shaune) 1 1.0 1 0 0 100.0 1387.5 425.0 1812.5 View list
16 1110135703 Bain, M (Michael) 1 1.0 1 0 0 100.0 1385.0 425.0 1810.0 View list
17 108054712 Arnold, W (Wicus) 1 1.0 1 0 0 100.0 694.0 425.0 1119.0 View list
18 1110114764 Botha, RMJ (Robert) 1 1.0 1 0 0 100.0 1368.8 425.0 1793.8 View list
19 206059524 Botha, R (Riti) 1 1.0 1 0 0 100.0 1415.9 425.0 1840.9 View list
20 1090154176 De Wet, J (Joubert) 1 1.0 1 0 0 100.0 1368.8 425.0 1793.8 View list