Chess South Africa
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Chess South Africa
Harvett, Z (Zack)
Dob:
2008/07/30 (U18)
Gender:
Male
Chess SA id:
108093560
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2022/03/13 (823 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
1260.4
Current Weighted rating
1260.4
Current Weighted performance
805.8
Current official/published rating (highest between Raw, WR and WP)
1260.4
Current highest rating achieved
1260.4
Current floor (min rating allowed)
760.4
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
1260.4
Projected new Weighed rating
1159.6
Projected new Weighted performance
805.8
Projected new final Raw rating (if new WP > new Raw)
1260.4
Projected new highest rating
1260.4
Projected new floor
760.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1260.4
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
1143.6
Current Weighted rating
1143.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1143.6
Current highest rating achieved
1143.6
Current floor (min rating allowed)
643.6
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)
±179.7
Current Raw change used (final)
0.0
Projected new Raw rating
1143.6
Projected new Weighed rating
1052.1
Projected new Weighted performance
347.7
Projected new final Raw rating (if new WP > new Raw)
1143.6
Projected new highest rating
1143.6
Projected new floor
643.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1143.6
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
1279.2
Current Weighted rating
1279.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1279.2
Current highest rating achieved
1279.2
Current floor (min rating allowed)
779.2
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)
±148.1
Current Raw change used (final)
0.0
Projected new Raw rating
1279.2
Projected new Weighed rating
1176.9
Projected new Weighted performance
712.3
Projected new final Raw rating (if new WP > new Raw)
1279.2
Projected new highest rating
1279.2
Projected new floor
779.2
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1279.2
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
6
2022 East Dist Individuals (U15)
2022/03/13
2022/03/13
Cape Town (WCT)
Rapid
45
0.74
6
6
4.5
1219.4
1246.8
Analysis
5
Cape Winelands Open 2022 (Intermediate)
2022/02/12
2022/02/13
Cape Winelands (WCW)
Standard
70
0.87
6
6
3.0
1212.5
1114.4
Analysis
4
Western Cape Closed 2020 (Rapid)
2021/03/06
2021/03/06
Cape Town (WCT)
Rapid
25
0.54
7
6
4.0
1157.4
1218.0
Analysis
3
Rhenish Primary Chess Tournament 2019 (U12)
2019/05/11
2019/05/11
Cape Winelands (WCW)
Rapid
30
0.60
7
7
4.5
1117.8
1163.6
Analysis
2
Western Cape Top Schools 2018 (U11 Mix)
2018/08/25
2018/08/26
Overberg (WOS)
Standard
60
0.83
5
4
1.0
1177.9
1200.0
Analysis
1
Rhenish Primary Chess Tournament 2018 (U12)
2018/05/12
2018/05/12
Cape Winelands (WCW)
Rapid
30
0.60
7
7
4.0
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
36
20
2
14
21.0
58.3
70.8
1174.0
1244.9
White
17
11
0
6
11.0
64.7
125.0
1119.9
1244.9
Black
19
9
2
8
10.0
52.6
22.4
1222.4
1244.8
Standard
All
10
4
0
6
4.0
40.0
-85.0
1126.4
1041.4
White
5
2
0
3
2.0
40.0
-85.0
1023.6
938.6
Black
5
2
0
3
2.0
40.0
-85.0
1229.2
1144.2
Rapid
All
26
16
2
8
17.0
65.4
130.8
1192.3
1323.1
White
12
9
0
3
9.0
75.0
212.5
1160.1
1372.6
Black
14
7
2
5
8.0
57.1
60.7
1220.0
1280.7
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
1070101950
Morrison, B (Brandon)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
109094677
Mongie, N (Noah)
1
1.0
1
0
0
100.0
1117.8
425.0
1542.8
View list
3
1070138878
Mkhize, T (Thobani)
1
1.0
1
0
0
100.0
1219.4
425.0
1644.4
View list
4
110085173
Mcquire, M (Mikael)
1
1.0
1
0
0
100.0
1177.9
425.0
1602.9
View list
5
1080137511
Louw, B (Ben)
1
1.0
1
0
0
100.0
1212.5
425.0
1637.5
View list
6
106087912
Lielieveld, F (Franco)
1
1.0
1
0
0
100.0
1157.4
425.0
1582.4
View list
7
1070138866
Koopstadt, F (Furgan)
1
1.0
1
0
0
100.0
1219.4
425.0
1644.4
View list
8
169010486
Geyser, F (Freek)
1
1.0
1
0
0
100.0
1212.5
425.0
1637.5
View list
9
1080108612
Boden, J (Joshua)
1
1.0
1
0
0
100.0
1117.8
425.0
1542.8
View list
10
179013667
Janse Van Rensburg, J (Jack)
1
1.0
1
0
0
100.0
1157.4
425.0
1582.4
View list
11
1090107941
Grobbelaar, A (Altus)
1
1.0
1
0
0
100.0
1117.8
425.0
1542.8
View list
12
1080138888
Roto, S (Sintle)
1
1.0
1
0
0
100.0
1219.4
425.0
1644.4
View list
13
108061379
Solomon, D (Daniel)
1
1.0
1
0
0
100.0
1157.4
425.0
1582.4
View list
14
107072118
Sterley, B (Boaz)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
15
1090101919
Sterley, L (Levi)
1
1.0
1
0
0
100.0
1117.8
425.0
1542.8
View list
16
1070101958
Thuynsma, L (Lee)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
17
107082124
Van Coller, K (Kean)
1
1.0
1
0
0
100.0
1219.4
425.0
1644.4
View list
18
108072148
Van Heerden, EJ (Ethan Joel)
1
1.0
1
0
0
100.0
1157.4
425.0
1582.4
View list
19
1640112268
Van Tonder, WF (Willem Frederick)
1
1.0
1
0
0
100.0
1212.5
425.0
1637.5
View list
20
1070101939
Van Wyk, J (Jeandre)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list