Chess South Africa
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Chess South Africa
Vorster, SPM (Stephanus)
Dob:
1969/10/16 (Adult)
Gender:
Male
Chess SA id:
169042155
FIDE id:
Vorster
Region:
Bojanala Platina (NBR)
Citizen:
RSA
Title(s):
Last active:
2024/02/24 (70 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
Curent Raw rating
1691.4
Curent Weighted rating
1764.9
Curent Weighted performance
1390.1
Current official/published rating (highest between Raw, WR and WP)
1764.9
Current floor (min rating allowed)
1320.4
Current highest rating achieved
1820.4
Current K-factor
24
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)
±82.3
Current Raw change used (final)
0.0
Projected new Raw rating
1691.4
Projected new Weighed rating
1757.8
Projected new Weighted performance
1390.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1757.8
Projected effective change (new Official - current Official)
-7.1
Projected new highest rating
1820.4
Projected new floor
1320.4
Projected new K-facor
24
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 rating
1659.1
Curent Weighted rating
1751.8
Curent Weighted performance
1380.2
Current official/published rating (highest between Raw, WR and WP)
1751.8
Current floor (min rating allowed)
1321.2
Current highest rating achieved
1821.2
Current K-factor
24
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)
±86.2
Current Raw change used (final)
0.0
Projected new Raw rating
1659.1
Projected new Weighed rating
1742.8
Projected new Weighted performance
1380.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1742.8
Projected effective change (new Official - current Official)
-9.0
Projected new highest rating
1821.2
Projected new floor
1321.2
Projected new K-facor
24
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 rating
1793.3
Curent Weighted rating
1793.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1793.3
Current floor (min rating allowed)
1293.3
Current highest rating achieved
1793.3
Current K-factor
28
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)
±71.2
Current Raw change used (final)
0.0
Projected new Raw rating
1793.3
Projected new Weighed rating
1793.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1793.3
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1793.3
Projected new floor
1293.3
Projected new K-facor
28
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 rating
1789.0
Curent Weighted rating
1788.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1789.0
Current floor (min rating allowed)
1293.3
Current highest rating achieved
1789.0
Current K-factor
28
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)
±71.6
Current Raw change used (final)
0.0
Projected new Raw rating
1789.0
Projected new Weighed rating
1788.3
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1789.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1789.0
Projected new floor
1293.3
Projected new K-facor
28
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
NG Kerk Vanderbijlpark Suid 2024 (A+B)
2024/02/24
2024/02/24
Sedibeng (GSV)
Standard
61
0.84
5
5
3.0
1709.7
1679.5
Analysis
1
2024 Piet Robbertse Open Chess Tournament (A)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
4
0.0
1779.6
1752.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
33
NG Kerk Vanderbijlpark Suid 2024 (A+B)
2024/02/24
2024/02/24
Sedibeng (GSV)
Standard
61
0.84
5
5
3.0
1709.7
1679.5
Analysis
32
2024 Piet Robbertse Open Chess Tournament (A)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
4
0.0
1779.6
1752.2
Analysis
31
2023 Moja Chess Extravaganza (Prestige)
2023/09/30
2023/10/04
Frances Baard (NCF)
Standard
120
1.00
9
9
4.5
1740.0
1730.8
Analysis
30
Chess Power House 2023 (A)
2023/08/19
2023/08/20
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
2.0
1792.3
1786.2
Analysis
29
Eureka Open 2023 (A)
2023/07/29
2023/07/29
Sedibeng (GSV)
Standard
60
0.83
5
5
2.5
1820.4
1821.2
Analysis
28
Boksburg Chess Club Rapid 2023
2023/06/20
2023/06/20
Ekurhuleni (GE)
Rapid
30
0.60
5
1
1.0
1820.3
1793.0
Analysis
27
Chess Power House 2nd RR 2022 (A)
2022/08/20
2022/08/21
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
2.5
1745.4
1742.8
Analysis
26
2022 Alekhine Open (A)
2022/08/13
2022/08/14
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1745.4
1742.8
Analysis
25
JMC Womens Day 2022 (FIDE Open)
2022/08/06
2022/08/09
Johannesburg Metro (GJM)
Standard
120
1.00
6
6
4.0
1745.4
1742.8
Analysis
24
Chessheroes Youth Day 2022 (A1)
2022/06/16
2022/06/18
Johannesburg Metro (GJM)
Standard
120
1.00
5
4
2.5
1726.6
1724.0
Analysis
23
Moja Open 2022 (Prestige)
2022/03/19
2022/03/22
Frances Baard (NCF)
Standard
120
1.00
7
7
3.5
1706.4
1703.3
Analysis
22
Ekurhuleni Chess Open 2022 (A)
2022/01/07
2022/01/09
Ekurhuleni (GE)
Standard
90
0.94
7
7
4.0
1734.3
1732.4
Analysis
21
NC Open 2021 (A)
2021/10/22
2021/10/24
Frances Baard (NCF)
Standard
120
1.00
5
5
4.0
1716.4
1711.7
Analysis
20
Pinnacle College Waterfall Open (Premier)
2021/10/02
2021/10/03
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
2.5
1716.4
1711.7
Analysis
19
2021 Gauteng North Open Tournament (A)
2021/08/28
2021/08/29
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1733.2
1726.5
Analysis
18
2021 Alekhine Open (A)
2021/08/14
2021/08/15
Tshwane (GTP)
Standard
90
0.94
5
5
2.5
1733.2
1726.5
Analysis
17
Ekurhuleni Chess Chessa Open 2021 (Elite)
2021/03/27
2021/03/28
Ekurhuleni (GE)
Standard
90
0.94
5
5
3.0
1702.4
1689.8
Analysis
16
Ekurhuleni Chess Kempton Park Open 2020 (A)
2020/11/21
2020/11/21
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1736.1
1727.0
Analysis
15
Chess Power House End of Year Rapid 2019 (A)
2019/12/16
2019/12/16
Johannesburg Metro (GJM)
Rapid
15
0.39
7
7
5.5
1718.5
1751.6
Analysis
14
2019 Alekhine Open (A)
2019/08/09
2019/08/10
Tshwane (GTP)
Standard
120
1.00
5
5
2.5
1715.3
1726.4
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
9
3
0
6
3.0
33.3
-141.7
1503.4
1361.7
White
5
3
0
2
3.0
60.0
85.0
1453.8
1538.8
Black
4
0
0
4
0.0
0.0
-425.0
1565.4
1140.4
Standard
All
9
3
0
6
3.0
33.3
-141.7
1503.4
1361.7
White
5
3
0
2
3.0
60.0
85.0
1453.8
1538.8
Black
4
0
0
4
0.0
0.0
-425.0
1565.4
1140.4
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
174
79
38
57
98.0
56.3
53.7
1625.9
1679.6
White
87
44
17
26
52.5
60.3
87.9
1613.5
1701.5
Black
87
35
21
31
45.5
52.3
19.5
1638.2
1657.8
Standard
All
153
62
36
55
80.0
52.3
19.4
1663.1
1682.5
White
76
36
16
24
44.0
57.9
67.1
1655.0
1722.1
Black
77
26
20
31
36.0
46.8
-27.6
1671.0
1643.4
Rapid
All
21
17
2
2
18.0
85.7
303.6
1355.0
1658.5
White
11
8
1
2
8.5
77.3
231.8
1327.0
1558.8
Black
10
9
1
0
9.5
95.0
382.5
1385.8
1768.3
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
103007373
Dinham, J (James)
5
3.0
2
2
1
60.0
1722.4
85.0
1807.4
View list
2
187025727
Mpya, TM (Tshediso)
5
1.5
1
1
3
30.0
1739.7
-170.0
1569.7
View list
3
182025885
Mthunzi, B (Brighton)
5
1.5
1
1
3
30.0
1717.7
-170.0
1547.7
View list
4
194073176
Chueu, C (Calvin)
4
2.5
2
1
1
62.5
1725.5
106.3
1831.8
View list
5
1070104078
Price, DR (Daelen)
4
2.5
1
3
0
62.5
1740.6
106.3
1846.8
View list
6
104069713
Vorster, T (Tyrone)
4
2.0
0
4
0
50.0
1771.4
0.0
1771.4
View list
7
104053107
Govender, Y (Yaduvir)
4
1.5
0
3
1
37.5
1716.3
-106.3
1610.0
View list
8
103046660
Schroeder, D (Daniel)
3
1.0
1
0
2
33.3
1725.4
-141.7
1583.7
View list
9
101023373
Mlahleki, V (Vusimuzi)
3
0.5
0
1
2
16.7
1741.3
-283.3
1458.0
View list
10
191012376
Hercules, BV (Benjamin)
3
0.0
0
0
3
0.0
1711.1
-425.0
1286.1
View list
11
105058538
Smit, D (Devon)
3
0.0
0
0
3
0.0
1733.4
-425.0
1308.4
View list
12
194019178
Madiba, CM (Carpediem)
2
2.0
2
0
0
100.0
1717.8
425.0
2142.8
View list
13
1100103439
Mungal, E (Ethan)
2
2.0
2
0
0
100.0
1725.3
425.0
2150.3
View list
14
108076196
Potgieter, E (Edward)
2
2.0
2
0
0
100.0
1709.9
425.0
2134.9
View list
15
106053297
Govender, S (Shevern)
2
1.5
1
1
0
75.0
1707.4
212.5
1919.9
View list
16
107069948
Jones, W (William)
2
1.5
1
1
0
75.0
1739.3
212.5
1951.8
View list
17
182017839
Lesuthu, KM (Kali)
2
1.5
1
1
0
75.0
1715.3
212.5
1927.8
View list
18
173022117
Mbedza, R (Richard)
2
1.0
1
0
1
50.0
1727.6
0.0
1727.6
View list
19
162027530
Ngubeni, JM (Jackie)
2
1.0
1
0
1
50.0
1800.0
0.0
1800.0
View list
20
194002691
Bornheim, C (Craig)
2
0.5
0
1
1
25.0
1714.6
-212.5
1502.1
View list