Chess South Africa
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Chess South Africa
Witbooi, A (Antonio)
Dob:
2006/06/19 (U20)
Gender:
Male
Chess SA id:
1060137643
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2024/03/02 (116 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
1310.9
Current Weighted rating
1261.5
Current Weighted performance
1268.4
Current official/published rating (highest between Raw, WR and WP)
1310.9
Current highest rating achieved
1310.9
Current floor (min rating allowed)
810.9
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)
±141.6
Current Raw change used (final)
0.0
Projected new Raw rating
1310.9
Projected new Weighed rating
1162.3
Projected new Weighted performance
1268.4
Projected new final Raw rating (if new WP > new Raw)
1310.9
Projected new highest rating
1310.9
Projected new floor
810.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1310.9
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
1299.9
Current Weighted rating
1247.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1299.9
Current highest rating achieved
1299.9
Current floor (min rating allowed)
799.9
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)
±143.8
Current Raw change used (final)
0.0
Projected new Raw rating
1299.9
Projected new Weighed rating
1148.9
Projected new Weighted performance
1124.0
Projected new final Raw rating (if new WP > new Raw)
1299.9
Projected new highest rating
1299.9
Projected new floor
799.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1299.9
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
1256.7
Current Weighted rating
1234.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1256.7
Current highest rating achieved
1256.7
Current floor (min rating allowed)
756.7
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)
±152.9
Current Raw change used (final)
0.0
Projected new Raw rating
1256.7
Projected new Weighed rating
1137.0
Projected new Weighted performance
934.9
Projected new final Raw rating (if new WP > new Raw)
1256.7
Projected new highest rating
1256.7
Projected new floor
756.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1256.7
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
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
Cape Winelands Schools - Prestige 2024 (U18 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.5
1290.6
1273.6
Analysis
1
Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)
2024/02/17
2024/02/17
Cape Winelands (WCW)
Rapid
35
0.66
6
6
3.0
1287.5
1248.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
7
Cape Winelands Schools - Prestige 2024 (U18 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.5
1290.6
1273.6
Analysis
6
Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)
2024/02/17
2024/02/17
Cape Winelands (WCW)
Rapid
35
0.66
6
6
3.0
1287.5
1248.4
Analysis
5
Paarl Boys High Chess Festival 2023 (2nd Division)
2023/10/13
2023/10/14
Cape Winelands (WCW)
Standard
60
0.83
6
6
5.0
1233.1
1191.2
Analysis
4
CW Top Schools 2023 (U18 Mix)
2023/08/26
2023/08/26
Cape Winelands (WCW)
Rapid
32
0.63
5
5
3.5
1199.8
1194.8
Analysis
3
Cape Winelands Schools Chess - Trials 1 2023 (U17 Boys)
2023/02/25
2023/02/25
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.5
1202.5
1195.2
Analysis
2
Cape Winelands Schools 2022 (U18 Boys)
2022/03/05
2022/03/05
Cape Winelands (WCW)
Standard
60
0.83
5
5
2.5
1201.0
1200.0
Analysis
1
Worcester Schools Trials 2022 (U18 Boys)
2022/02/19
2022/02/19
Cape Winelands (WCW)
Rapid
30
0.60
5
4
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
11
5
1
5
5.5
50.0
0.0
1349.4
1349.4
White
5
4
0
1
4.0
80.0
255.0
1248.2
1503.2
Black
6
1
1
4
1.5
25.0
-212.5
1433.7
1221.2
Standard
All
5
2
1
2
2.5
50.0
0.0
1400.7
1400.7
White
2
2
0
0
2.0
100.0
425.0
1277.5
1702.5
Black
3
0
1
2
0.5
16.7
-283.3
1482.8
1199.5
Rapid
All
6
3
0
3
3.0
50.0
0.0
1306.6
1306.6
White
3
2
0
1
2.0
66.7
141.7
1228.6
1370.3
Black
3
1
0
2
1.0
33.3
-141.7
1384.6
1242.9
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
19
4
13
21.0
58.3
70.8
1259.4
1330.3
White
18
13
1
4
13.5
75.0
212.5
1225.0
1437.5
Black
18
6
3
9
7.5
41.7
-70.8
1293.9
1223.1
Standard
All
21
11
3
7
12.5
59.5
81.0
1248.9
1329.9
White
10
8
0
2
8.0
80.0
255.0
1206.9
1461.9
Black
11
3
3
5
4.5
40.9
-77.3
1287.2
1209.9
Rapid
All
15
8
1
6
8.5
56.7
56.7
1274.2
1330.8
White
8
5
1
2
5.5
68.8
159.4
1247.7
1407.0
Black
7
3
0
4
3.0
42.9
-60.7
1304.5
1243.7
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
1080192766
Combrink, P (Pieter)
1
1.0
1
0
0
100.0
1287.5
425.0
1712.5
View list
2
1080108607
Coetzee, C (Conlinn)
1
1.0
1
0
0
100.0
1290.6
425.0
1715.6
View list
3
1070162674
Brooks, N (Neil)
1
1.0
1
0
0
100.0
1233.1
425.0
1658.1
View list
4
1060137627
Brandt, D (David)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1070096095
Bake, Z (Zenzo Alessandro)
1
1.0
1
0
0
100.0
1233.1
425.0
1658.1
View list
6
1060151305
Liebenberg, M (Matthew)
1
1.0
1
0
0
100.0
1199.8
425.0
1624.8
View list
7
1060137631
Lambrechts, D (Davian)
1
1.0
1
0
0
100.0
1201.0
425.0
1626.0
View list
8
1080162681
Kruger, W (Waldo)
1
1.0
1
0
0
100.0
1233.1
425.0
1658.1
View list
9
1050132379
Kroutz, M (Monray)
1
1.0
1
0
0
100.0
1201.0
425.0
1626.0
View list
10
106051689
Milakovic, S (Stefan)
1
1.0
1
0
0
100.0
1233.1
425.0
1658.1
View list
11
1080192772
Morilly, C (Coden)
1
1.0
1
0
0
100.0
1290.6
425.0
1715.6
View list
12
1070139442
Myburg, A (Andy)
1
1.0
1
0
0
100.0
1202.5
425.0
1627.5
View list
13
1070115880
Naude, J (Jan-Daniel)
1
1.0
1
0
0
100.0
1287.5
425.0
1712.5
View list
14
108073346
Neels, JL (Jayden-Lee)
1
1.0
1
0
0
100.0
1233.1
425.0
1658.1
View list
15
1070137717
Smith, O (Oswill)
1
1.0
1
0
0
100.0
1202.5
425.0
1627.5
View list
16
206059036
Stokes, J (Jody)
1
1.0
1
0
0
100.0
1199.8
425.0
1624.8
View list
17
1080137613
Topp, K (Kelvin)
1
1.0
1
0
0
100.0
1287.5
425.0
1712.5
View list
18
107057156
Van Zyl, R (Rigter)
1
1.0
1
0
0
100.0
1199.8
425.0
1624.8
View list
19
1050108687
Verhoog, W (Walken)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
20
1080112286
Kana, Z (Zaywon)
1
0.5
0
1
0
50.0
1290.6
0.0
1290.6
View list