Chess South Africa
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Chess South Africa
Jansen Van Rensburg, S (Stefan)
Dob:
2009/08/13 (U16)
Gender:
Male
Chess SA id:
1090101015
FIDE id:
Region:
West Rand (GWR)
Citizen:
RSA
Title(s):
Last active:
2024/10/05 (49 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
1183.2
Current Weighted rating
1160.4
Current Weighted performance
1081.1
Current official/published rating (highest between Raw, WR and WP)
1183.2
Current highest rating achieved
1183.2
Current floor (min rating allowed)
683.2
Current K-factor
40
Games played this month
6
Score (S)
3.5
Expected score (We)
2.75
Difference (S-We)
0.62
Current Raw change (no limits, including tournament time weight)
24.9
Current min/max change allowed (with limits)
±169.8
Current Raw change used (final)
24.9
Projected new Raw rating
1208.1
Projected new Weighed rating
1067.6
Projected new Weighted performance
1161.1
Projected new final Raw rating (if new WP > new Raw)
1208.1
Projected new highest rating
1208.1
Projected new floor
708.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1208.1
Projected effective change (new Official - current Official)
+24.9
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
1191.3
Current Weighted rating
1172.1
Current Weighted performance
1081.1
Current official/published rating (highest between Raw, WR and WP)
1191.3
Current highest rating achieved
1220.4
Current floor (min rating allowed)
720.4
Current K-factor
36
Games played this month
6
Score (S)
3.5
Expected score (We)
2.75
Difference (S-We)
0.75
Current Raw change (no limits, including tournament time weight)
27.0
Current min/max change allowed (with limits)
±167.9
Current Raw change used (final)
27.0
Projected new Raw rating
1218.3
Projected new Weighed rating
1078.1
Projected new Weighted performance
1161.1
Projected new final Raw rating (if new WP > new Raw)
1218.3
Projected new highest rating
1220.4
Projected new floor
720.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1218.3
Projected effective change (new Official - current Official)
+27.0
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
1018.4
Current Weighted rating
1018.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1018.4
Current highest rating achieved
1078.8
Current floor (min rating allowed)
578.8
Current K-factor
40
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)
±214.8
Current Raw change used (final)
0.0
Projected new Raw rating
1018.4
Projected new Weighed rating
936.9
Projected new Weighted performance
125.2
Projected new final Raw rating (if new WP > new Raw)
1018.4
Projected new highest rating
1078.8
Projected new floor
578.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1018.4
Projected effective change (new Official - current Official)
=0.0
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
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
Tournament:
Paarl Boys' High Chess Festival 2024 (C)
Start:
2024/10/04
End:
2024/10/05
Host:
WCW
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
6
Games:
6
Score:
3.5
Main rating:
1183.2
Rating gain/loss:
24.9
Type rating:
1191.3
Rating gain/loss:
27.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
Paarl Boys' High Chess Festival 2024 (C)
2024/10/04
2024/10/05
Cape Winelands (WCW)
Standard
60
0.83
6
6
3.5
1183.2
1191.3
Analysis
2
D2 School League Finals 2024 (U19)
2024/07/20
2024/07/20
West Rand (GWR)
Standard
60
0.83
5
5
2.5
1164.3
1174.0
Analysis
1
FIDE in the West 2024 (Bishops)
2024/06/08
2024/06/08
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1145.7
1157.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
16
Paarl Boys' High Chess Festival 2024 (C)
2024/10/04
2024/10/05
Cape Winelands (WCW)
Standard
60
0.83
6
6
3.5
1183.2
1191.3
Analysis
15
D2 School League Finals 2024 (U19)
2024/07/20
2024/07/20
West Rand (GWR)
Standard
60
0.83
5
5
2.5
1164.3
1174.0
Analysis
14
FIDE in the West 2024 (Bishops)
2024/06/08
2024/06/08
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1145.7
1157.8
Analysis
13
2023 Gauteng Top Schools (U15 Mixed)
2023/08/19
2023/08/19
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1151.3
1166.4
Analysis
12
D2 School League Finals 2023 (U15)
2023/07/22
2023/07/22
West Rand (GWR)
Standard
60
0.83
6
4
1.5
1166.9
1187.6
Analysis
11
2023 West Rand Open (Rooks)
2023/02/04
2023/02/04
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1174.9
1202.4
Analysis
10
2022 Gauteng Schools Team Championships (U13 Open)
2022/08/27
2022/08/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1063.3
1099.8
Analysis
9
D2 School League Finals 2022 (U13)
2022/08/20
2022/08/20
West Rand (GWR)
Standard
60
0.83
5
5
5.0
1063.3
1099.8
Analysis
8
West Rand Juniors 2022 (U14)
2022/04/09
2022/04/09
West Rand (GWR)
Standard
60
0.83
5
5
2.0
1045.4
1090.1
Analysis
7
2019 Gauteng School League Finals (U11 Open)
2019/08/23
2019/08/23
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1075.3
1150.2
Analysis
6
D2 League Finals 2019 (U11)
2019/08/03
2019/08/03
West Rand (GWR)
Standard
60
0.83
7
6
3.0
1075.3
1150.2
Analysis
5
D2 Schools Individuals 2019 (U11)
2019/05/18
2019/05/18
West Rand (GWR)
Standard
60
0.83
5
5
3.0
1102.5
1162.8
Analysis
4
2019 Super 12 Laerskole (Juniors)
2019/05/04
2019/05/04
Tshwane (GTP)
Rapid
30
0.60
5
5
1.0
1102.5
1078.8
Analysis
3
2018 Gauteng League Final (U9)
2018/08/24
2018/08/24
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1143.3
1220.4
Analysis
2
D2 Schools Individuals 2018 (U9 Open)
2018/05/19
2018/05/19
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1200.0
1200.0
Analysis
1
2018 Super 12 (Junior)
2018/05/05
2018/05/05
Tshwane (GTP)
Rapid
30
0.60
5
5
0.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
16
8
2
6
9.0
56.3
53.1
1209.2
1262.3
White
7
3
1
3
3.5
50.0
0.0
1186.4
1186.4
Black
9
5
1
3
5.5
61.1
94.4
1226.8
1321.3
Standard
All
16
8
2
6
9.0
56.3
53.1
1209.2
1262.3
White
7
3
1
3
3.5
50.0
0.0
1186.4
1186.4
Black
9
5
1
3
5.5
61.1
94.4
1226.8
1321.3
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
81
33
8
40
37.0
45.7
-36.7
1145.0
1108.3
White
41
17
3
21
18.5
45.1
-41.5
1141.2
1099.8
Black
40
16
5
19
18.5
46.3
-31.9
1148.9
1117.0
Standard
All
71
32
7
32
35.5
50.0
0.0
1154.5
1154.5
White
35
16
2
17
17.0
48.6
-12.1
1151.6
1139.5
Black
36
16
5
15
18.5
51.4
11.8
1157.3
1169.1
Rapid
All
10
1
1
8
1.5
15.0
-297.5
1077.8
780.3
White
6
1
1
4
1.5
25.0
-212.5
1080.7
868.2
Black
4
0
0
4
0.0
0.0
-425.0
1073.3
648.3
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
109092912
Peach, A (Alex)
3
1.0
1
0
2
33.3
1125.9
-141.7
984.3
View list
2
1080113580
Buthelezi, N (Nkanyiso)
2
2.0
2
0
0
100.0
1088.9
425.0
1513.9
View list
3
1080158672
Mare, J (Jonathan)
2
1.5
1
1
0
75.0
1166.9
212.5
1379.4
View list
4
209091333
Humane, NP (Noziphiwo)
2
1.0
1
0
1
50.0
1082.9
0.0
1082.9
View list
5
108083540
Kruger, D (Drickus)
2
0.0
0
0
2
0.0
1088.9
-425.0
663.9
View list
6
1080149211
Mbasane, D (David)
2
0.0
0
0
2
0.0
1166.9
-425.0
741.9
View list
7
1090150652
Du Plessis, M (Matthys Armand)
1
1.0
1
0
0
100.0
1183.2
425.0
1608.2
View list
8
1110303077
Fisher, J (Jeriah)
1
1.0
1
0
0
100.0
1145.7
425.0
1570.7
View list
9
1110102534
Esterhuizen, Z (Zane)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
1090118160
Lushaba, L (Landilikhaya)
1
1.0
1
0
0
100.0
1075.3
425.0
1500.3
View list
11
2120300396
Legodi, R (Reneilwe)
1
1.0
1
0
0
100.0
1145.7
425.0
1570.7
View list
12
1090144528
Jansen Van Rensburg, L (Lihan)
1
1.0
1
0
0
100.0
1063.3
425.0
1488.3
View list
13
1060306801
Macfarlane, A (Assien)
1
1.0
1
0
0
100.0
1164.3
425.0
1589.3
View list
14
2080097384
Maloka, B (Bekang)
1
1.0
1
0
0
100.0
1151.3
425.0
1576.3
View list
15
208091334
Matjeke, SN (Shalante)
1
1.0
1
0
0
100.0
1075.3
425.0
1500.3
View list
16
1100101004
Mbesi, S (Samkelo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
17
2100144967
Memane, L (Lisa)
1
1.0
1
0
0
100.0
1063.3
425.0
1488.3
View list
18
1080310010
Mhlongo, M (Michael)
1
1.0
1
0
0
100.0
1183.2
425.0
1608.2
View list
19
1110161876
Modisane, L (Lesedi)
1
1.0
1
0
0
100.0
1145.7
425.0
1570.7
View list
20
2100115267
Mosikidi, M (Mathapelo)
1
1.0
1
0
0
100.0
1063.3
425.0
1488.3
View list