Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Marais, S (Sibylie)
Dob:
1969/02/19 (Adult)
Gender:
Female
Chess SA id:
269020806
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
PA,NI
Last active:
2023/10/28 (237 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
1436.3
Current Weighted rating
1453.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1453.2
Current highest rating achieved
1533.0
Current floor (min rating allowed)
1033.0
Current K-factor
32
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)
±118.4
Current Raw change used (final)
0.0
Projected new Raw rating
1436.3
Projected new Weighed rating
1336.2
Projected new Weighted performance
505.0
Projected new final Raw rating (if new WP > new Raw)
1436.3
Projected new highest rating
1533.0
Projected new floor
1033.0
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1436.3
Projected effective change (new Official - current Official)
-16.9
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
1471.9
Current Weighted rating
1471.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1471.9
Current highest rating achieved
1533.0
Current floor (min rating allowed)
1033.0
Current K-factor
32
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)
±112.6
Current Raw change used (final)
0.0
Projected new Raw rating
1471.9
Projected new Weighed rating
1354.1
Projected new Weighted performance
246.5
Projected new final Raw rating (if new WP > new Raw)
1471.9
Projected new highest rating
1533.0
Projected new floor
1033.0
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1471.9
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
1432.9
Current Weighted rating
1466.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1466.9
Current highest rating achieved
1533.0
Current floor (min rating allowed)
1033.0
Current K-factor
32
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)
±119.0
Current Raw change used (final)
0.0
Projected new Raw rating
1432.9
Projected new Weighed rating
1348.1
Projected new Weighted performance
327.5
Projected new final Raw rating (if new WP > new Raw)
1432.9
Projected new highest rating
1533.0
Projected new floor
1033.0
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1432.9
Projected effective change (new Official - current Official)
-34.0
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
1518.0
Current Weighted rating
1518.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1518.0
Current highest rating achieved
1533.0
Current floor (min rating allowed)
1033.0
Current K-factor
32
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)
±105.4
Current Raw change used (final)
0.0
Projected new Raw rating
1518.0
Projected new Weighed rating
1396.6
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1533.0
Projected new floor
1033.0
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1518.0
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
3
Dr Pieter Hangelbroek Rapid 2023 (A)
2023/10/28
2023/10/28
Sedibeng (GSV)
Rapid
30
0.60
5
5
2.0
1478.5
1518.0
Analysis
2
Dirk de Koster Chess Open 2019 (A)
2019/04/13
2019/04/13
Sedibeng (GSV)
Standard
61
0.83
5
5
3.5
1469.7
1460.1
Analysis
1
2018 Volkskool Open (A)
2018/02/17
2018/02/17
Sedibeng (GSV)
Standard
60
0.83
5
5
1.0
1518.0
1518.0
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
15
5
3
7
6.5
43.3
-56.7
1331.3
1274.6
White
9
2
2
5
3.0
33.3
-141.7
1322.9
1181.2
Black
6
3
1
2
3.5
58.3
70.8
1343.8
1414.7
Standard
All
10
3
3
4
4.5
45.0
-42.5
1419.7
1377.2
White
6
1
2
3
2.0
33.3
-141.7
1433.2
1291.6
Black
4
2
1
1
2.5
62.5
106.3
1399.5
1505.7
Rapid
All
5
2
0
3
2.0
40.0
-85.0
1154.4
1069.4
White
3
1
0
2
1.0
33.3
-141.7
1102.2
960.5
Black
2
1
0
1
1.0
50.0
0.0
1232.6
1232.6
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
2600144466
Venter, M (Margaretha Aw)
1
1.0
1
0
0
100.0
1478.5
425.0
1903.5
View list
2
104028105
Nolan, RR (Ricco)
1
1.0
1
0
0
100.0
1469.7
425.0
1894.7
View list
3
106014912
Botes, A (Arne)
1
1.0
1
0
0
100.0
1478.5
425.0
1903.5
View list
4
108056512
Huisamen, D (De Villiers)
1
1.0
1
0
0
100.0
1469.7
425.0
1894.7
View list
5
2010111380
Mashiane, K (Koena)
1
1.0
1
0
0
100.0
1469.7
425.0
1894.7
View list
6
184017431
Lebea, BE (Botlhale)
1
0.5
0
1
0
50.0
1518.0
0.0
1518.0
View list
7
199041499
Verhoef, J (Jan-Meyer)
1
0.5
0
1
0
50.0
1469.7
0.0
1469.7
View list
8
191025651
Mphela, L (Lebohang)
1
0.5
0
1
0
50.0
1518.0
0.0
1518.0
View list
9
197043696
Mathe, M (Mpumelelo)
1
0.0
0
0
1
0.0
1478.5
-425.0
1053.5
View list
10
201026583
Naidoo, R (Rayna)
1
0.0
0
0
1
0.0
1518.0
-425.0
1093.0
View list
11
182025885
Mthunzi, B (Brighton)
1
0.0
0
0
1
0.0
1518.0
-425.0
1093.0
View list
12
182017839
Lesuthu, KM (Kali)
1
0.0
0
0
1
0.0
1469.7
-425.0
1044.7
View list
13
104086509
Khumalo, N (Nkosinathi)
1
0.0
0
0
1
0.0
1478.5
-425.0
1053.5
View list
14
202008750
Emanuel, P (Prithee)
1
0.0
0
0
1
0.0
1518.0
-425.0
1093.0
View list
15
102002833
Botes, A (Anrich)
1
0.0
0
0
1
0.0
1478.5
-425.0
1053.5
View list