Chess South Africa
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Chess South Africa
Booysen, Z (Zian)
Dob:
2012/06/12 (U14)
Gender:
Male
Chess SA id:
1120155245
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2024/04/20 (66 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
1293.0
Current Weighted rating
1216.2
Current Weighted performance
1268.3
Current official/published rating (highest between Raw, WR and WP)
1293.0
Current highest rating achieved
1293.0
Current floor (min rating allowed)
793.0
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)
±145.2
Current Raw change used (final)
0.0
Projected new Raw rating
1293.0
Projected new Weighed rating
1119.3
Projected new Weighted performance
1268.3
Projected new final Raw rating (if new WP > new Raw)
1293.0
Projected new highest rating
1293.0
Projected new floor
793.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1293.0
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
1285.9
Current Weighted rating
1219.6
Current Weighted performance
1268.3
Current official/published rating (highest between Raw, WR and WP)
1285.9
Current highest rating achieved
1285.9
Current floor (min rating allowed)
785.9
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)
±146.7
Current Raw change used (final)
0.0
Projected new Raw rating
1285.9
Projected new Weighed rating
1122.6
Projected new Weighted performance
1268.3
Projected new final Raw rating (if new WP > new Raw)
1285.9
Projected new highest rating
1285.9
Projected new floor
785.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1285.9
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
1154.2
Current Weighted rating
1182.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1182.5
Current highest rating achieved
1255.4
Current floor (min rating allowed)
755.4
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)
±177.0
Current Raw change used (final)
0.0
Projected new Raw rating
1154.2
Projected new Weighed rating
1087.1
Projected new Weighted performance
584.7
Projected new final Raw rating (if new WP > new Raw)
1154.2
Projected new highest rating
1255.4
Projected new floor
755.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1154.2
Projected effective change (new Official - current Official)
-28.3
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
6
Hoerskool Overvaal Chess Open 2024 (D)
2024/04/20
2024/04/20
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1158.8
1165.9
Analysis
5
Vaalpark Primary Chess Open 2024 (D)
2024/04/13
2024/04/13
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1158.8
1165.9
Analysis
4
HS Drie Riviere Chess Open Section 2024 (D)
2024/03/09
2024/03/09
Sedibeng (GSV)
Standard
60
0.83
5
5
2.5
1158.8
1165.9
Analysis
3
NG Kerk Vanderbijlpark Suid 2024 (D)
2024/02/24
2024/02/24
Sedibeng (GSV)
Standard
61
0.84
5
5
1.0
1185.7
1210.5
Analysis
2
Laerskool Midvaal Chess Open Section 2024 (D)
2024/02/10
2024/02/10
Sedibeng (GSV)
Standard
61
0.84
5
4
2.0
1185.7
1210.5
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U14C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
2.0
1191.8
1222.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
11
Hoerskool Overvaal Chess Open 2024 (D)
2024/04/20
2024/04/20
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1158.8
1165.9
Analysis
10
Vaalpark Primary Chess Open 2024 (D)
2024/04/13
2024/04/13
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1158.8
1165.9
Analysis
9
HS Drie Riviere Chess Open Section 2024 (D)
2024/03/09
2024/03/09
Sedibeng (GSV)
Standard
60
0.83
5
5
2.5
1158.8
1165.9
Analysis
8
NG Kerk Vanderbijlpark Suid 2024 (D)
2024/02/24
2024/02/24
Sedibeng (GSV)
Standard
61
0.84
5
5
1.0
1185.7
1210.5
Analysis
7
Laerskool Midvaal Chess Open Section 2024 (D)
2024/02/10
2024/02/10
Sedibeng (GSV)
Standard
61
0.84
5
4
2.0
1185.7
1210.5
Analysis
6
2024 Gauteng Inter-Region Chess Championship (U14C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
2.0
1191.8
1222.4
Analysis
5
Dr Pieter Hangelbroek Rapid 2023 (C)
2023/10/28
2023/10/28
Sedibeng (GSV)
Rapid
30
0.60
5
5
0.0
1249.7
1255.4
Analysis
4
NWU Vaal Open 2023 (D)
2023/10/14
2023/10/14
Sedibeng (GSV)
Standard
61
0.83
5
5
2.5
1249.7
1218.4
Analysis
3
Gauteng D7 Teams 2023 (U11)
2023/08/12
2023/08/12
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1243.1
1201.8
Analysis
2
VaalPark Primary Open Chess 2023 (E)
2023/06/16
2023/06/16
Sedibeng (GSV)
Rapid
45
0.74
5
5
4.0
1202.1
1200.0
Analysis
1
Gauteng Schools Individual Finals 2023 (U11 Boys)
2023/05/26
2023/05/26
Ekurhuleni (GE)
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
28
13
1
14
13.5
48.2
-15.2
1255.0
1239.8
White
14
7
0
7
7.0
50.0
0.0
1284.3
1284.3
Black
14
6
1
7
6.5
46.4
-30.4
1225.7
1195.4
Standard
All
28
13
1
14
13.5
48.2
-15.2
1255.0
1239.8
White
14
7
0
7
7.0
50.0
0.0
1284.3
1284.3
Black
14
6
1
7
6.5
46.4
-30.4
1225.7
1195.4
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
53
24
2
27
25.0
47.2
-24.1
1246.2
1222.1
White
27
12
1
14
12.5
46.3
-31.5
1272.6
1241.1
Black
26
12
1
13
12.5
48.1
-16.3
1218.7
1202.4
Standard
All
43
20
2
21
21.0
48.8
-9.9
1253.3
1243.4
White
23
10
1
12
10.5
45.7
-37.0
1277.2
1240.3
Black
20
10
1
9
10.5
52.5
21.3
1225.7
1247.0
Rapid
All
10
4
0
6
4.0
40.0
-85.0
1215.5
1130.5
White
4
2
0
2
2.0
50.0
0.0
1245.8
1245.8
Black
6
2
0
4
2.0
33.3
-141.7
1195.3
1053.6
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
2120138271
Blignaut, A (Alma)
3
3.0
3
0
0
100.0
1207.0
425.0
1632.0
View list
2
2140139659
Du Toit, M (Monika)
3
1.0
1
0
2
33.3
1167.8
-141.7
1026.1
View list
3
2120140219
Smit, L (Liane)
3
1.0
1
0
2
33.3
1217.2
-141.7
1075.5
View list
4
1120136523
Myburgh, V (Vaughn)
3
0.0
0
0
3
0.0
1167.8
-425.0
742.8
View list
5
1120139655
Du Toit, C (Christiaan)
2
1.5
1
1
0
75.0
1172.3
212.5
1384.8
View list
6
1120130080
Van Der Merwe, W (Willem)
2
0.0
0
0
2
0.0
1246.4
-425.0
821.4
View list
7
1100145397
Lengau, AD (Amohelang)
1
1.0
1
0
0
100.0
1191.8
425.0
1616.8
View list
8
1130157365
Maseloane, T (Tshiamo)
1
1.0
1
0
0
100.0
1202.1
425.0
1627.1
View list
9
1120155778
Marnewick, C (Conner)
1
1.0
1
0
0
100.0
1243.1
425.0
1668.1
View list
10
1130158662
Mohono, K (Keamogetswe)
1
1.0
1
0
0
100.0
1249.7
425.0
1674.7
View list
11
1120157367
Mnisi, N (Nhlamulo)
1
1.0
1
0
0
100.0
1202.1
425.0
1627.1
View list
12
1120159484
Mkhuma, K (Kamohelo)
1
1.0
1
0
0
100.0
1243.1
425.0
1668.1
View list
13
1130159480
Herego, S (Samalin)
1
1.0
1
0
0
100.0
1243.1
425.0
1668.1
View list
14
1120161588
Motloung, I (Israel)
1
1.0
1
0
0
100.0
1158.8
425.0
1583.8
View list
15
1120155271
Moyo, M (Mbongiseni)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
16
1120155273
Ndlovu, N (Nqobani)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
17
2110152999
Pieterse, Z (Zandri)
1
1.0
1
0
0
100.0
1191.8
425.0
1616.8
View list
18
1120161591
Reddy, M (Matthew)
1
1.0
1
0
0
100.0
1158.8
425.0
1583.8
View list
19
1130144483
Sampson, C (Cadon)
1
1.0
1
0
0
100.0
1158.8
425.0
1583.8
View list
20
1110157375
Van Lier, N (Nathan)
1
1.0
1
0
0
100.0
1202.1
425.0
1627.1
View list