Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Ferreira Lopes, S (Stephen)
Dob:
2006/08/09 (U20)
Gender:
Male
Chess SA id:
1060308296
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/08/03 (47 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
1242.7
Current Weighted rating
1206.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1242.7
Current highest rating achieved
1242.7
Current floor (min rating allowed)
742.7
Current K-factor
36
Games played this month
5
Score (S)
3.0
Expected score (We)
2.73
Difference (S-We)
0.22
Current Raw change (no limits, including tournament time weight)
8.1
Current min/max change allowed (with limits)
±156.0
Current Raw change used (final)
8.1
Projected new Raw rating
1250.8
Projected new Weighed rating
1110.4
Projected new Weighted performance
817.1
Projected new final Raw rating (if new WP > new Raw)
1250.8
Projected new highest rating
1250.8
Projected new floor
750.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1250.8
Projected effective change (new Official - current Official)
+8.1
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
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
0.0
Current floor (min rating allowed)
700.0
Current K-factor
40
Games played this month
5
Score (S)
3.0
Expected score (We)
2.49
Difference (S-We)
0.51
Current Raw change (no limits, including tournament time weight)
20.4
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
20.4
Projected new Raw rating
1220.4
Projected new Weighed rating
1104.0
Projected new Weighted performance
425.7
Projected new final Raw rating (if new WP > new Raw)
1220.4
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)
1220.4
Projected effective change (new Official - current Official)
+20.4
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
1280.0
Current Weighted rating
1212.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1280.0
Current highest rating achieved
1280.0
Current floor (min rating allowed)
780.0
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)
±148.0
Current Raw change used (final)
0.0
Projected new Raw rating
1280.0
Projected new Weighed rating
1116.0
Projected new Weighted performance
515.1
Projected new final Raw rating (if new WP > new Raw)
1280.0
Projected new highest rating
1280.0
Projected new floor
780.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1280.0
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
0.0
Current floor (min rating allowed)
700.0
Current K-factor
40
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
0.0
Projected new floor
700.0
Projected new K-facor
40
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:
Ekurhuleni North Schools Finals - Teams 2024 (U19 Open)
Start:
2024/08/03
End:
2024/08/03
Host:
GE
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
3.0
Main rating:
1242.7
Rating gain/loss:
8.1
Type rating:
1200.0
Rating gain/loss:
20.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
Ekurhuleni North Schools Finals - Teams 2024 (U19 Open)
2024/08/03
2024/08/03
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1242.7
1200.0
Analysis
1
Edenvale High School Team Clusters 2024
2024/07/20
2024/07/20
Ekurhuleni (GE)
Rapid
30
0.60
5
4
4.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Ekurhuleni North Schools Finals - Teams 2024 (U19 Open)
2024/08/03
2024/08/03
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1242.7
1200.0
Analysis
1
Edenvale High School Team Clusters 2024
2024/07/20
2024/07/20
Ekurhuleni (GE)
Rapid
30
0.60
5
4
4.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
9
7
0
2
7.0
77.8
236.1
1186.4
1422.5
White
5
3
0
2
3.0
60.0
85.0
1203.1
1288.1
Black
4
4
0
0
4.0
100.0
425.0
1165.5
1590.5
Standard
All
5
3
0
2
3.0
60.0
85.0
1213.0
1298.0
White
3
1
0
2
1.0
33.3
-141.7
1227.2
1085.5
Black
2
2
0
0
2.0
100.0
425.0
1191.7
1616.7
Rapid
All
4
4
0
0
4.0
100.0
425.0
1153.2
1578.2
White
2
2
0
0
2.0
100.0
425.0
1167.0
1592.0
Black
2
2
0
0
2.0
100.0
425.0
1139.4
1564.4
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
9
7
0
2
7.0
77.8
236.1
1186.4
1422.5
White
5
3
0
2
3.0
60.0
85.0
1203.1
1288.1
Black
4
4
0
0
4.0
100.0
425.0
1165.5
1590.5
Standard
All
5
3
0
2
3.0
60.0
85.0
1213.0
1298.0
White
3
1
0
2
1.0
33.3
-141.7
1227.2
1085.5
Black
2
2
0
0
2.0
100.0
425.0
1191.7
1616.7
Rapid
All
4
4
0
0
4.0
100.0
425.0
1153.2
1578.2
White
2
2
0
0
2.0
100.0
425.0
1167.0
1592.0
Black
2
2
0
0
2.0
100.0
425.0
1139.4
1564.4
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
2070144894
Zinyeredzi, J (Jubilee)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
209089382
Viljoen, A (Anna-Mart)
1
1.0
1
0
0
100.0
1242.7
425.0
1667.7
View list
3
2090154965
Mokoena, A (Amahle)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
2090305301
Mocumi, I (Itumeleng)
1
1.0
1
0
0
100.0
1242.7
425.0
1667.7
View list
5
1090305318
Manaka, K (Kgotso)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
1070154914
Dalzell, O (Owen)
1
1.0
1
0
0
100.0
1242.7
425.0
1667.7
View list
7
1090308299
Halahan, L (Lucian)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
1060308295
Fan, K (Kuai)
1
0.0
0
0
1
0.0
1242.7
-425.0
817.7
View list
9
1080306675
Malotsha, U (Una)
1
0.0
0
0
1
0.0
1242.7
-425.0
817.7
View list