Player Page

Grobler, S (Stephan)
Dob: 2006/06/12 (U20)
Gender: Male
Chess SA id: 1060119615
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2022/12/08 (563 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
Current Raw rating1170.8
Current Weighted rating1174.9
Current Weighted performance849.6
Current official/published rating (highest between Raw, WR and WP)1174.9
Current highest rating achieved1312.1
Current floor (min rating allowed)812.1
Current K-factor36
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)±172.9
Current Raw change used (final)0.0
Projected new Raw rating1170.8
Projected new Weighed rating1079.8
Projected new Weighted performance849.6
Projected new final Raw rating (if new WP > new Raw)1170.8
Projected new highest rating1312.1
Projected new floor812.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1170.8
Projected effective change (new Official - current Official)-4.1
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
Current Raw rating1177.6
Current Weighted rating1181.6
Current Weighted performance873.6
Current official/published rating (highest between Raw, WR and WP)1181.6
Current highest rating achieved1309.6
Current floor (min rating allowed)809.6
Current K-factor36
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)±171.2
Current Raw change used (final)0.0
Projected new Raw rating1177.6
Projected new Weighed rating1086.0
Projected new Weighted performance873.6
Projected new final Raw rating (if new WP > new Raw)1177.6
Projected new highest rating1309.6
Projected new floor809.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1177.6
Projected effective change (new Official - current Official)-4.0
s
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
Current Raw rating1152.8
Current Weighted rating1153.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1153.3
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
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)±177.3
Current Raw change used (final)0.0
Projected new Raw rating1152.8
Projected new Weighed rating1060.7
Projected new Weighted performance303.4
Projected new final Raw rating (if new WP > new Raw)1152.8
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1152.8
Projected effective change (new Official - current Official)-0.5
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
Current Raw rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
12 2022 South African Junior Team Chess Championships (U18 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 6 0.5 1247.1 1254.6 Analysis
11 Afrikaanse Hoër Seunskool Interne Skaak KampioenskAP 2022 2022/09/22 2022/09/22 Tshwane (GTP) Rapid 25 0.54 7 7 3.0 1277.4 1200.0 Analysis
10 2022 Etienne Lewis (U18+U20 Open+Girls) 2022/09/02 2022/09/04 Tshwane (GTP) Standard 90 0.94 7 5 2.0 1277.4 1266.8 Analysis
9 2022 Mid Gauteng Open (C) 2022/05/07 2022/05/07 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1312.1 1309.6 Analysis
8 2022 Lubowski Open Tournament (D) 2022/04/09 2022/04/10 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1266.8 1267.9 Analysis
7 2022 Chris Greyling Open (D) 2022/03/12 2022/03/12 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1234.8 1229.0 Analysis
6 Grey College Team Championship 2022 (A) 2022/02/18 2022/02/19 Mangaung (FMB) Standard 60 0.83 5 5 3.0 1226.7 1220.7 Analysis
5 2021 Affies Interhuis 2021/10/28 2021/10/28 Tshwane (GTP) Rapid 30 0.60 5 2 1.0 1225.2 1200.0 Analysis
4 2021 Blou Bul Tournament (D) 2021/04/10 2021/04/10 Mangaung (FMB) Standard 60 0.83 5 5 3.0 1211.2 1202.0 Analysis
3 2020 Waterkloof Open (D) 2020/02/29 2020/03/01 Tshwane (GTP) Standard 90 0.94 5 4 3.0 1172.1 1159.6 Analysis
2 2020 Registration Tournament (D) 2020/01/25 2020/01/25 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1180.4 1172.0 Analysis
1 2019 Lardies Open (D) 2019/10/26 2019/10/26 Tshwane (GTP) Standard 60 0.83 5 4 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 58 30 1 27 30.5 52.6 22.0 1196.3 1218.3
White 30 16 0 14 16.0 53.3 28.3 1196.5 1224.8
Black 28 14 1 13 14.5 51.8 15.2 1196.0 1211.2
Standard All 49 26 1 22 26.5 54.1 34.7 1189.4 1224.1
White 26 15 0 11 15.0 57.7 65.4 1193.3 1258.7
Black 23 11 1 11 11.5 50.0 0.0 1185.1 1185.1
Rapid All 9 4 0 5 4.0 44.4 -47.2 1233.5 1186.2
White 4 1 0 3 1.0 25.0 -212.5 1217.0 1004.5
Black 5 3 0 2 3.0 60.0 85.0 1246.6 1331.6
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 1090107165 Oosthuizen, L (Ludrick) 2 2.0 2 0 0 100.0 1233.4 425.0 1658.4 View list
2 205086771 Jacobs, L (Lenita) 2 1.0 1 0 1 50.0 1294.8 0.0 1294.8 View list
3 1060134033 Koster, W (Wihan) 2 0.0 0 0 2 0.0 1218.2 -425.0 793.2 View list
4 1070146868 Boonzaaier, Z (Zachary Jesse) 1 1.0 1 0 0 100.0 1277.4 425.0 1702.4 View list
5 2120105112 Bogaard, A (Anneke) 1 1.0 1 0 0 100.0 1234.8 425.0 1659.8 View list
6 1080132475 Dibetla, R (Reatlegile) 1 1.0 1 0 0 100.0 1172.1 425.0 1597.1 View list
7 1060135510 Dednam, M (Michael) 1 1.0 1 0 0 100.0 1225.2 425.0 1650.2 View list
8 1090134032 De Roos, H (Hubert) 1 1.0 1 0 0 100.0 1211.2 425.0 1636.2 View list
9 1090134428 De Jager, J (Jandre) 1 1.0 1 0 0 100.0 1234.8 425.0 1659.8 View list
10 1120134231 De Bruyn, DP (Dylan Patrick) 1 1.0 1 0 0 100.0 1234.8 425.0 1659.8 View list
11 2070115594 Grahan, C (Chie-Ann) 1 1.0 1 0 0 100.0 1180.4 425.0 1605.4 View list
12 1070146871 Fairbanks, M (Marco) 1 1.0 1 0 0 100.0 1277.4 425.0 1702.4 View list
13 1120130084 Buttle, C (Cameron) 1 1.0 1 0 0 100.0 1180.4 425.0 1605.4 View list
14 1120133903 Buchner, E (Emil) 1 1.0 1 0 0 100.0 1234.8 425.0 1659.8 View list
15 1040132484 Hartslief, D (Dirk) 1 1.0 1 0 0 100.0 1226.7 425.0 1651.7 View list
16 109088372 Gruenenfelder, W (Werni) 1 1.0 1 0 0 100.0 1172.1 425.0 1597.1 View list
17 1070146873 Haupt, L (Liam Albert) 1 1.0 1 0 0 100.0 1277.4 425.0 1702.4 View list
18 2100133906 Janse Van Rensburg, K (Kaylin) 1 1.0 1 0 0 100.0 1211.2 425.0 1636.2 View list
19 1070138293 Jansen Van Vuuren, L (Luan) 1 1.0 1 0 0 100.0 1266.8 425.0 1691.8 View list
20 2080107169 Kriel, L (Lia) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list