Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Zanna, J (Joy)
Dob:
2013/02/01 (U12)
Gender:
Female
Chess SA id:
2130116097
FIDE id:
Region:
Capricorn (LCP)
Citizen:
RSA
Title(s):
Last active:
2023/03/11 (463 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
1241.0
Current Weighted performance
964.0
Current official/published rating (highest between Raw, WR and WP)
1242.7
Current highest rating achieved
1276.7
Current floor (min rating allowed)
776.7
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)
±156.0
Current Raw change used (final)
0.0
Projected new Raw rating
1242.7
Projected new Weighed rating
1141.5
Projected new Weighted performance
964.0
Projected new final Raw rating (if new WP > new Raw)
1242.7
Projected new highest rating
1276.7
Projected new floor
776.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1242.7
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
1260.7
Current Weighted rating
1258.3
Current Weighted performance
964.0
Current official/published rating (highest between Raw, WR and WP)
1260.7
Current highest rating achieved
1292.0
Current floor (min rating allowed)
792.0
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)
±152.1
Current Raw change used (final)
0.0
Projected new Raw rating
1260.7
Projected new Weighed rating
1157.5
Projected new Weighted performance
964.0
Projected new final Raw rating (if new WP > new Raw)
1260.7
Projected new highest rating
1292.0
Projected new floor
792.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1260.7
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
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)
±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
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
5
Capricorn Qualifying March 2023 (U12)
2023/03/11
2023/03/11
Capricorn (LCP)
Standard
60
0.83
5
5
4.0
1194.6
1203.8
Analysis
4
2022 South African Junior Team Chess Championships (U10 Open)
2022/12/04
2022/12/08
4 Knights (4K)
Standard
120
1.00
7
6
0.0
1276.7
1292.0
Analysis
3
Capricorn Qualifying May 2022 (U10)
2022/05/21
2022/05/21
Capricorn (LCP)
Standard
60
0.83
5
5
5.0
1193.4
1191.6
Analysis
2
LCP Qualifying February 2020 (O10)
2020/02/15
2020/02/15
Capricorn (LCP)
Standard
60
0.83
5
5
3.0
1176.1
1170.8
Analysis
1
Capricorn Qualifying April 2019 (O10)
2019/04/13
2019/04/13
Capricorn (LCP)
Standard
60
0.83
5
5
2.0
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
26
14
0
12
14.0
53.8
32.7
1237.1
1269.8
White
15
10
0
5
10.0
66.7
141.7
1229.0
1370.7
Black
11
4
0
7
4.0
36.4
-115.9
1248.1
1132.2
Standard
All
26
14
0
12
14.0
53.8
32.7
1237.1
1269.8
White
15
10
0
5
10.0
66.7
141.7
1229.0
1370.7
Black
11
4
0
7
4.0
36.4
-115.9
1248.1
1132.2
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2130141025
Moyo, K (Kayla)
2
2.0
2
0
0
100.0
1194.0
425.0
1619.0
View list
2
1120109964
Lekgothoane, TS (Stanley)
2
1.0
1
0
1
50.0
1188.0
0.0
1188.0
View list
3
1130141019
Janse Van Rensburg, Z (Zach)
1
1.0
1
0
0
100.0
1193.4
425.0
1618.4
View list
4
2120149339
Gwewera, N (Natalie)
1
1.0
1
0
0
100.0
1194.6
425.0
1619.6
View list
5
2110132653
Moloto, T (Thapelo)
1
1.0
1
0
0
100.0
1176.1
425.0
1601.1
View list
6
2120132652
Moloto, B (Bonolo)
1
1.0
1
0
0
100.0
1176.1
425.0
1601.1
View list
7
1120109965
Dikgale, PJ (Phenyo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
1110132655
Mphahlele, R (Rorisang)
1
1.0
1
0
0
100.0
1176.1
425.0
1601.1
View list
9
1120151923
Ramatswe, K (Kgetho)
1
1.0
1
0
0
100.0
1194.6
425.0
1619.6
View list
10
1130141027
Smit, B (Bartho)
1
1.0
1
0
0
100.0
1193.4
425.0
1618.4
View list
11
1120151926
Selepe, L (Letlotlo)
1
1.0
1
0
0
100.0
1194.6
425.0
1619.6
View list
12
1130141030
Verreynne, K (Kobus)
1
1.0
1
0
0
100.0
1193.4
425.0
1618.4
View list
13
1150141031
Wills, B (Bobby)
1
1.0
1
0
0
100.0
1193.4
425.0
1618.4
View list
14
1140135557
Thorulsley, K (Kairaav)
1
0.0
0
0
1
0.0
1276.7
-425.0
851.7
View list
15
1110096827
Sebetola, TJ (Tumelo)
1
0.0
0
0
1
0.0
1176.1
-425.0
751.1
View list
16
1130108360
Sathish, A (Aarya)
1
0.0
0
0
1
0.0
1276.7
-425.0
851.7
View list
17
1140134624
Opperman, N (Naude)
1
0.0
0
0
1
0.0
1276.7
-425.0
851.7
View list
18
1120149363
Mphahlele, P (Phetolo)
1
0.0
0
0
1
0.0
1194.6
-425.0
769.6
View list
19
2100098305
Mothudi, N (Neo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
1100105315
Dafel, H (Henning)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list