Chess South Africa
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Chess South Africa
Van Zyl, J (Johannes)
Dob:
2011/02/07 (U14)
Gender:
Male
Chess SA id:
1110116651
FIDE id:
Region:
Overberg (WOS)
Citizen:
RSA
Title(s):
Last active:
2023/03/02 (482 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
1253.5
Current Weighted rating
1252.9
Current Weighted performance
1006.6
Current official/published rating (highest between Raw, WR and WP)
1253.5
Current highest rating achieved
1265.8
Current floor (min rating allowed)
765.8
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)
±153.6
Current Raw change used (final)
0.0
Projected new Raw rating
1253.5
Projected new Weighed rating
1152.9
Projected new Weighted performance
1006.6
Projected new final Raw rating (if new WP > new Raw)
1253.5
Projected new highest rating
1265.8
Projected new floor
765.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1253.5
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
1241.8
Current Weighted rating
1241.8
Current Weighted performance
964.6
Current official/published rating (highest between Raw, WR and WP)
1241.8
Current highest rating achieved
1267.0
Current floor (min rating allowed)
767.0
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)
±156.2
Current Raw change used (final)
0.0
Projected new Raw rating
1241.8
Projected new Weighed rating
1142.5
Projected new Weighted performance
964.6
Projected new final Raw rating (if new WP > new Raw)
1241.8
Projected new highest rating
1267.0
Projected new floor
767.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1241.8
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
1223.2
Current Weighted rating
1221.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1223.2
Current highest rating achieved
1223.2
Current floor (min rating allowed)
723.2
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)
±160.4
Current Raw change used (final)
0.0
Projected new Raw rating
1223.2
Projected new Weighed rating
1124.0
Projected new Weighted performance
604.8
Projected new final Raw rating (if new WP > new Raw)
1223.2
Projected new highest rating
1223.2
Projected new floor
723.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1223.2
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
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
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
9
Overberg Schools Bredasdorp Zone Trails 2023 (U13)
2023/02/16
2023/03/02
Overberg (WOS)
Rapid
20
0.47
6
3
2.0
1249.1
1208.8
Analysis
8
Western Cape Top Schools 2022 (U11 Mix)
2022/09/16
2022/09/17
Overberg (WOS)
Standard
60
0.83
5
5
2.0
1265.8
1267.0
Analysis
7
Overberg Topskole 2022 (O11)
2022/08/30
2022/08/30
Overberg (WOS)
Standard
60
0.83
6
4
4.0
1208.4
1196.8
Analysis
6
Western Cape Schools 2022 (U11 Boys)
2022/05/28
2022/05/29
Cape Winelands (WCW)
Standard
65
0.85
6
6
2.0
1236.2
1240.4
Analysis
5
The Hermanus Open 2022 (U12)
2022/05/14
2022/05/14
Overberg (WOS)
Rapid
10
0.29
6
6
3.0
1236.2
1200.0
Analysis
4
Overberg Primary Schools Closed 2022 (U11 Boys)
2022/03/12
2022/03/12
Overberg (WOS)
Standard
60
0.83
5
5
2.5
1236.2
1247.6
Analysis
3
Overberg Closed 2020 (U9 Boys)
2020/03/15
2020/03/15
Overberg (WOS)
Standard
60
0.83
5
5
4.0
1144.9
1132.4
Analysis
2
OCF Chess Tournament 3 2020 (U10)
2020/03/07
2020/03/07
Overberg (WOS)
Standard
60
0.83
5
5
3.0
1144.9
1132.4
Analysis
1
Overberg Top Schools 2019 (U11)
2019/07/20
2019/07/20
Overberg (WOS)
Standard
60
0.83
5
5
1.0
1200.0
1200.0
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
49
24
1
24
24.5
50.0
0.0
1214.5
1214.5
White
25
15
1
9
15.5
62.0
102.0
1203.9
1305.9
Black
24
9
0
15
9.0
37.5
-106.3
1225.6
1119.4
Standard
All
40
19
1
20
19.5
48.8
-10.6
1216.5
1205.9
White
22
12
1
9
12.5
56.8
58.0
1205.6
1263.6
Black
18
7
0
11
7.0
38.9
-94.4
1229.8
1135.3
Rapid
All
9
5
0
4
5.0
55.6
47.2
1205.9
1253.1
White
3
3
0
0
3.0
100.0
425.0
1191.2
1616.2
Black
6
2
0
4
2.0
33.3
-141.7
1213.2
1071.5
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
2110133359
Lethabo, F (Fihla)
3
3.0
3
0
0
100.0
1187.2
425.0
1612.2
View list
2
1110133391
Foye, L (Logan)
2
2.0
2
0
0
100.0
1190.6
425.0
1615.6
View list
3
1090110746
Van Der Walt, A (Andries)
2
2.0
2
0
0
100.0
1200.0
425.0
1625.0
View list
4
2080102788
Kok, T (Tilde)
2
0.0
0
0
2
0.0
1200.0
-425.0
775.0
View list
5
1070099829
Lotz, J (Johndre)
2
0.0
0
0
2
0.0
1200.0
-425.0
775.0
View list
6
209088973
Oosthuizen, A (Anke)
2
0.0
0
0
2
0.0
1200.0
-425.0
775.0
View list
7
1120113687
Prinsloo, L (Lyle)
2
0.0
0
0
2
0.0
1190.6
-425.0
765.6
View list
8
2090116647
Zininsi, L (Livi)
2
0.0
0
0
2
0.0
1200.0
-425.0
775.0
View list
9
1110138425
Liebenberg, J (Junior)
1
1.0
1
0
0
100.0
1208.4
425.0
1633.4
View list
10
1120138424
Horne, A (Armandt)
1
1.0
1
0
0
100.0
1236.2
425.0
1661.2
View list
11
1120138422
Groenewald, L (Lian)
1
1.0
1
0
0
100.0
1236.2
425.0
1661.2
View list
12
1120139178
Frieslaar, J (Junior)
1
1.0
1
0
0
100.0
1236.2
425.0
1661.2
View list
13
1110110755
Els, D (Dante)
1
1.0
1
0
0
100.0
1236.2
425.0
1661.2
View list
14
1110130188
Du Plessis, J (Jan-Dawid)
1
1.0
1
0
0
100.0
1144.9
425.0
1569.9
View list
15
1120130328
Drury, R (Riko)
1
1.0
1
0
0
100.0
1144.9
425.0
1569.9
View list
16
2110150081
Diederiks, K (Katryn)
1
1.0
1
0
0
100.0
1236.2
425.0
1661.2
View list
17
2120133356
Beukes, C (Chrizaan)
1
1.0
1
0
0
100.0
1144.9
425.0
1569.9
View list
18
1100151348
Muggels, C (Chadwin)
1
1.0
1
0
0
100.0
1249.1
425.0
1674.1
View list
19
2110138443
Nel, A (Anika)
1
1.0
1
0
0
100.0
1236.2
425.0
1661.2
View list
20
2120118470
Pekeur, T (Thelmay)
1
1.0
1
0
0
100.0
1265.8
425.0
1690.8
View list