Chess South Africa
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Chess South Africa
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
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
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 rating
1170.8
Current Weighted rating
1174.9
Current Weighted performance
849.6
Current official/published rating (highest between Raw, WR and WP)
1174.9
Current highest rating achieved
1312.1
Current floor (min rating allowed)
812.1
Current K-factor
36
Games played this month
0
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 rating
1170.8
Projected new Weighed rating
1079.8
Projected new Weighted performance
849.6
Projected new final Raw rating (if new WP > new Raw)
1170.8
Projected new highest rating
1312.1
Projected new floor
812.1
Projected new K-facor
36
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 rating
1177.6
Current Weighted rating
1181.6
Current Weighted performance
873.6
Current official/published rating (highest between Raw, WR and WP)
1181.6
Current highest rating achieved
1309.6
Current floor (min rating allowed)
809.6
Current K-factor
36
Games played this month
0
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 rating
1177.6
Projected new Weighed rating
1086.0
Projected new Weighted performance
873.6
Projected new final Raw rating (if new WP > new Raw)
1177.6
Projected new highest rating
1309.6
Projected new floor
809.6
Projected new K-facor
36
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
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 rating
1152.8
Current Weighted rating
1153.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1153.3
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
s
Games played this month
0
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 rating
1152.8
Projected new Weighed rating
1060.7
Projected new Weighted performance
303.4
Projected new final Raw rating (if new WP > new Raw)
1152.8
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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 rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
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 rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
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
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
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