Chess South Africa
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Chess South Africa
Arends, SJ (Sergio)
Dob:
2006/04/28 (U20)
Gender:
Male
Chess SA id:
106067337
FIDE id:
Region:
Nelson Mandela Bay (ENM)
Citizen:
RSA
Title(s):
Last active:
2021/10/02 (987 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
1136.8
Current Weighted rating
1136.8
Current Weighted performance
535.0
Current official/published rating (highest between Raw, WR and WP)
1136.8
Current highest rating achieved
1142.3
Current floor (min rating allowed)
642.3
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)
±181.4
Current Raw change used (final)
0.0
Projected new Raw rating
1136.8
Projected new Weighed rating
1045.9
Projected new Weighted performance
535.0
Projected new final Raw rating (if new WP > new Raw)
1136.8
Projected new highest rating
1142.3
Projected new floor
642.3
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1136.8
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
1134.2
Current Weighted rating
1134.2
Current Weighted performance
429.5
Current official/published rating (highest between Raw, WR and WP)
1134.2
Current highest rating achieved
1137.9
Current floor (min rating allowed)
637.9
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)
±182.1
Current Raw change used (final)
0.0
Projected new Raw rating
1134.2
Projected new Weighed rating
1043.5
Projected new Weighted performance
429.5
Projected new final Raw rating (if new WP > new Raw)
1134.2
Projected new highest rating
1137.9
Projected new floor
637.9
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1134.2
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
847.4
Current Weighted rating
847.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
847.4
Current highest rating achieved
847.4
Current floor (min rating allowed)
500.0
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)
±274.0
Current Raw change used (final)
0.0
Projected new Raw rating
847.4
Projected new Weighed rating
779.6
Projected new Weighted performance
260.6
Projected new final Raw rating (if new WP > new Raw)
847.4
Projected new highest rating
847.4
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
847.4
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
783.0
Current Weighted rating
783.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
783.0
Current highest rating achieved
789.0
Current floor (min rating allowed)
500.0
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)
±300.4
Current Raw change used (final)
0.0
Projected new Raw rating
783.0
Projected new Weighed rating
720.4
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
789.0
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
783.0
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
9
Alekhine Chess Club Rapid 2021
2021/10/02
2021/10/02
Nelson Mandela Bay (ENM)
Rapid
15
0.39
7
6
2.0
1131.5
783.0
Analysis
8
NMBYCC Closed 2019 (U14)
2019/07/26
2019/07/27
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1137.1
1135.4
Analysis
7
Nelson Mandela Bay Junior Trials 4 2019 (U14)
2019/07/12
2019/07/13
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
5
3.0
1137.1
1135.4
Analysis
6
NMBJCU Trials 3 2019 (U14)
2019/05/10
2019/05/11
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
1142.3
1137.9
Analysis
5
Nelson Mandela Bay Junior Chess Trials 2 2019 (U14)
2019/04/05
2019/04/06
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
4
4.0
912.9
930.6
Analysis
4
NMBCU Trials 1 2019 (U14)
2019/03/08
2019/03/09
Nelson Mandela Bay (ENM)
Standard
60
0.83
5
5
3.0
892.0
909.8
Analysis
3
Alekhine Open Chess Tournament 2018 (B)
2018/05/04
2018/05/05
Nelson Mandela Bay (ENM)
Standard
65
0.85
5
5
3.0
817.2
824.2
Analysis
2
NMB First Trails 2018 (U14)
2018/03/23
2018/03/24
Nelson Mandela Bay (ENM)
Standard
60
0.83
6
6
3.0
787.0
787.0
Analysis
1
South African Junior Team Championships 2017 (U12B)
2018/01/04
2018/01/08
4 Knights (4K)
Standard
120
1.00
7
7
1.5
783.0
783.0
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
50
25
1
24
25.5
51.0
8.5
1071.8
1080.3
White
25
11
0
14
11.0
44.0
-51.0
1127.3
1076.3
Black
25
14
1
10
14.5
58.0
68.0
1016.2
1084.2
Standard
All
44
23
1
20
23.5
53.4
29.0
1037.5
1066.5
White
22
11
0
11
11.0
50.0
0.0
1092.6
1092.6
Black
22
12
1
9
12.5
56.8
58.0
982.4
1040.4
Rapid
All
6
2
0
4
2.0
33.3
-141.7
1322.8
1181.2
White
3
0
0
3
0.0
0.0
-425.0
1381.6
956.6
Black
3
2
0
1
2.0
66.7
141.7
1264.1
1405.7
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
206057065
Reddy, E (Evania)
3
2.0
2
0
1
66.7
1055.4
141.7
1197.1
View list
2
207052418
Bruintjies, HC (Hailey)
2
1.0
1
0
1
50.0
1136.9
0.0
1136.9
View list
3
207094410
Magadla, L (Lathitha)
2
1.0
1
0
1
50.0
1027.6
0.0
1027.6
View list
4
207067352
Ramaele, LL (Lerato)
2
1.0
1
0
1
50.0
1014.5
0.0
1014.5
View list
5
108057432
Lamont, J (Joshua)
1
1.0
1
0
0
100.0
817.2
425.0
1242.2
View list
6
106067349
Keuler, WG (Wouter)
1
1.0
1
0
0
100.0
787.0
425.0
1212.0
View list
7
2060111091
Booysen, J (Jay-Leigh)
1
1.0
1
0
0
100.0
892.0
425.0
1317.0
View list
8
1070099514
Bhika, Z (Zunaid)
1
1.0
1
0
0
100.0
1137.1
425.0
1562.1
View list
9
2070111092
Beecroft, E (Ella-Skye)
1
1.0
1
0
0
100.0
1142.3
425.0
1567.3
View list
10
1070111085
Brown, T (Troy)
1
1.0
1
0
0
100.0
912.9
425.0
1337.9
View list
11
105077393
De Villiers, OT (Ockert)
1
1.0
1
0
0
100.0
817.2
425.0
1242.2
View list
12
2060111087
Hickman, K (Kayla)
1
1.0
1
0
0
100.0
912.9
425.0
1337.9
View list
13
1060099518
Kaizer, L (Liam)
1
1.0
1
0
0
100.0
787.0
425.0
1212.0
View list
14
200001157
Balfour, A (Anesipho)
1
1.0
1
0
0
100.0
1131.5
425.0
1556.5
View list
15
107087641
Leeson, CL (Calib Lee)
1
1.0
1
0
0
100.0
1137.1
425.0
1562.1
View list
16
1910134984
Lottering, D (David)
1
1.0
1
0
0
100.0
1131.5
425.0
1556.5
View list
17
1060112057
Milani, A (Adam)
1
1.0
1
0
0
100.0
912.9
425.0
1337.9
View list
18
105070868
Moggee, LR (Le Roux)
1
1.0
1
0
0
100.0
787.0
425.0
1212.0
View list
19
207057201
Odendaal, G (Gabbi)
1
1.0
1
0
0
100.0
1142.3
425.0
1567.3
View list
20
1070111094
Puzi, P (Pumezo)
1
1.0
1
0
0
100.0
1137.1
425.0
1562.1
View list