Chess South Africa
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Chess South Africa
Van Zyl, S (Sanli)
Dob:
2015/02/10 (U10)
Gender:
Female
Chess SA id:
2150143035
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/09/01 (13 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
1482.5
Current Weighted rating
1362.7
Current Weighted performance
1475.8
Current official/published rating (highest between Raw, WR and WP)
1482.5
Current highest rating achieved
1544.1
Current floor (min rating allowed)
1044.1
Current K-factor
32
Games played this month
7
Score (S)
5.5
Expected score (We)
4.82
Difference (S-We)
0.64
Current Raw change (no limits, including tournament time weight)
20.5
Current min/max change allowed (with limits)
±110.9
Current Raw change used (final)
20.5
Projected new Raw rating
1503.0
Projected new Weighed rating
1253.0
Projected new Weighted performance
1532.3
Projected new final Raw rating (if new WP > new Raw)
1532.3
Projected new highest rating
1544.1
Projected new floor
1044.1
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1532.3
Projected effective change (new Official - current Official)
+49.8
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
1482.1
Current Weighted rating
1349.8
Current Weighted performance
1475.8
Current official/published rating (highest between Raw, WR and WP)
1482.1
Current highest rating achieved
1543.8
Current floor (min rating allowed)
1043.8
Current K-factor
32
Games played this month
7
Score (S)
5.5
Expected score (We)
4.86
Difference (S-We)
0.64
Current Raw change (no limits, including tournament time weight)
20.5
Current min/max change allowed (with limits)
±110.9
Current Raw change used (final)
20.5
Projected new Raw rating
1502.6
Projected new Weighed rating
1240.9
Projected new Weighted performance
1532.3
Projected new final Raw rating (if new WP > new Raw)
1532.3
Projected new highest rating
1543.8
Projected new floor
1043.8
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1532.3
Projected effective change (new Official - current Official)
+50.2
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
1282.0
Current Weighted rating
1253.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1282.0
Current highest rating achieved
1282.0
Current floor (min rating allowed)
782.0
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)
±147.5
Current Raw change used (final)
0.0
Projected new Raw rating
1282.0
Projected new Weighed rating
1154.6
Projected new Weighted performance
458.3
Projected new final Raw rating (if new WP > new Raw)
1282.0
Projected new highest rating
1282.0
Projected new floor
782.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1282.0
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
Tournament:
2024 Etienne Lewis (U10)
Start:
2024/08/30
End:
2024/09/01
Host:
GTP
Type:
Standard
Time:
90
Time weight:
0.94
Rounds:
7
Games:
7
Score:
5.5
Main rating:
1482.5
Rating gain/loss:
20.5
Type rating:
1482.1
Rating gain/loss:
20.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
12
2024 Etienne Lewis (U10)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
5.5
1482.5
1482.1
Analysis
11
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U9A)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1445.0
1443.8
Analysis
10
Eureka Open 27 July 2024 (H)
2024/07/27
2024/07/27
Sedibeng (GSV)
Standard
60
0.83
5
5
5.0
1284.2
1271.6
Analysis
9
2024 Midstream College Open Chess Tournament (U10)
2024/07/20
2024/07/20
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1284.2
1271.6
Analysis
8
2024 African Youth Chess Championship
2024/06/16
2024/06/22
South Africa (RSA)
Standard
120
1.00
9
9
4.5
1346.5
1333.0
Analysis
7
2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D)
2024/06/01
2024/06/01
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1346.5
1333.0
Analysis
6
South African Junior Closed Chess Championship 2024 (U10 Girls)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
5.5
1288.9
1267.4
Analysis
5
2024 KSNG CHess Academy Open Tournament (D1)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1260.2
1227.7
Analysis
4
2024 Wynie Robbertse Chess Tournament (C1)
2024/03/02
2024/03/02
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1302.2
1276.0
Analysis
3
2024 Constantiapark Open (C)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1357.4
1340.0
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (C2)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1313.2
1282.1
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U10A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.0
1313.2
1282.1
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
35
2024 Etienne Lewis (U10)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
5.5
1482.5
1482.1
Analysis
34
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U9A)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1445.0
1443.8
Analysis
33
Eureka Open 27 July 2024 (H)
2024/07/27
2024/07/27
Sedibeng (GSV)
Standard
60
0.83
5
5
5.0
1284.2
1271.6
Analysis
32
2024 Midstream College Open Chess Tournament (U10)
2024/07/20
2024/07/20
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1284.2
1271.6
Analysis
31
2024 African Youth Chess Championship
2024/06/16
2024/06/22
South Africa (RSA)
Standard
120
1.00
9
9
4.5
1346.5
1333.0
Analysis
30
2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D)
2024/06/01
2024/06/01
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1346.5
1333.0
Analysis
29
South African Junior Closed Chess Championship 2024 (U10 Girls)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
5.5
1288.9
1267.4
Analysis
28
2024 KSNG CHess Academy Open Tournament (D1)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1260.2
1227.7
Analysis
27
2024 Wynie Robbertse Chess Tournament (C1)
2024/03/02
2024/03/02
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1302.2
1276.0
Analysis
26
2024 Constantiapark Open (C)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1357.4
1340.0
Analysis
25
2024 Tshwane Chess OPEN Registration Tournament (C2)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1313.2
1282.1
Analysis
24
2024 Gauteng Inter-Region Chess Championship (U10A)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.0
1313.2
1282.1
Analysis
23
Chess Power House Festive Rapid 2023 (Grade 0-2)
2023/12/15
2023/12/15
Johannesburg Metro (GJM)
Rapid
20
0.47
6
6
5.0
1289.0
1200.0
Analysis
22
Lardies Open Tournament 2023 (C)
2023/10/28
2023/10/28
Tshwane (GTP)
Standard
60
0.83
5
4
0.5
1342.8
1342.6
Analysis
21
2023 Gauteng Noord (C)
2023/10/14
2023/10/15
Tshwane (GTP)
Standard
90
0.94
5
4
1.0
1342.8
1342.6
Analysis
20
2023 African Youth Chess Championship
2023/09/02
2023/09/08
Egypt (EGY)
Standard
120
1.00
9
9
5.0
1456.4
1456.2
Analysis
19
2023 Etienne Lewis Closed Tournament (U10)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
4.0
1458.1
1453.6
Analysis
18
2023 Gauteng Top Schools (U9 Mixed)
2023/08/18
2023/08/18
West Rand (GWR)
Standard
60
0.83
5
5
5.0
1458.1
1453.6
Analysis
17
2023 Tshwane South School District CLOSED League Championship (U9)
2023/07/29
2023/07/29
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1450.9
1441.1
Analysis
16
2023 Menlo Open Tournament (D)
2023/07/22
2023/07/22
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1450.9
1441.1
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
70
40
5
25
42.5
60.7
91.1
1288.1
1379.2
White
35
19
4
12
21.0
60.0
85.0
1287.8
1372.8
Black
35
21
1
13
21.5
61.4
97.1
1288.4
1385.5
Standard
All
70
40
5
25
42.5
60.7
91.1
1288.1
1379.2
White
35
19
4
12
21.0
60.0
85.0
1287.8
1372.8
Black
35
21
1
13
21.5
61.4
97.1
1288.4
1385.5
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
195
125
7
63
128.5
65.9
135.1
1241.9
1377.0
White
99
65
6
28
68.0
68.7
158.8
1237.5
1396.3
Black
96
60
1
35
60.5
63.0
110.7
1246.5
1357.1
Standard
All
189
120
7
62
123.5
65.3
130.4
1242.2
1372.6
White
96
62
6
28
65.0
67.7
150.5
1239.5
1390.0
Black
93
58
1
34
58.5
62.9
109.7
1245.0
1354.6
Rapid
All
6
5
0
1
5.0
83.3
283.3
1234.0
1517.3
White
3
3
0
0
3.0
100.0
425.0
1174.6
1599.6
Black
3
2
0
1
2.0
66.7
141.7
1293.3
1435.0
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
2150137653
Conradie, I (Ingrid)
5
3.0
3
0
2
60.0
1283.9
85.0
1368.9
View list
2
1150140638
Wolvaardt, J (Jonathan)
5
3.0
3
0
2
60.0
1317.2
85.0
1402.2
View list
3
2150137423
Vermaak, A (Alri)
5
1.5
1
1
3
30.0
1377.1
-170.0
1207.1
View list
4
2140143071
Haupt, A (Abigail)
4
3.5
3
1
0
87.5
1343.6
318.8
1662.3
View list
5
2150143025
Haupt, N (Nia)
3
3.0
3
0
0
100.0
1262.7
425.0
1687.7
View list
6
2150190424
Kgwale, O (Obotegile)
3
3.0
3
0
0
100.0
1343.9
425.0
1768.9
View list
7
1150152286
Rahlaga, K (Kaelo Alupheli)
3
2.0
2
0
1
66.7
1461.9
141.7
1603.5
View list
8
1140137652
Aikman, D (Desmond Gustav)
3
1.0
1
0
2
33.3
1290.3
-141.7
1148.6
View list
9
1140134429
Botha, G (Gregory)
2
2.0
2
0
0
100.0
1367.5
425.0
1792.5
View list
10
1150136649
Coetzee, A (Adriaan)
2
2.0
2
0
0
100.0
1317.7
425.0
1742.7
View list
11
1150139957
Henning, R (Rudolph)
2
2.0
2
0
0
100.0
1404.2
425.0
1829.2
View list
12
2140137411
Keyter, A (Alissa)
2
2.0
2
0
0
100.0
1404.2
425.0
1829.2
View list
13
1150147668
Malan, D (Divan)
2
2.0
2
0
0
100.0
1350.3
425.0
1775.3
View list
14
2140137416
Ottermann, A (Ayla)
2
2.0
2
0
0
100.0
1454.5
425.0
1879.5
View list
15
1150143029
Pretorius, P (Phillip)
2
2.0
2
0
0
100.0
1333.9
425.0
1758.9
View list
16
2150134902
Steyn, M (Mari-Louise)
2
2.0
2
0
0
100.0
1398.2
425.0
1823.2
View list
17
1110114818
Van Der Walt, H (Henrico)
2
2.0
2
0
0
100.0
1522.8
425.0
1947.8
View list
18
2140134240
Du Plessis, M (Mia)
2
1.5
1
1
0
75.0
1400.4
212.5
1612.9
View list
19
1150149177
Kleynhans, M (Magnus)
2
1.5
1
1
0
75.0
1416.4
212.5
1628.9
View list
20
1150147655
Alberts, E (Enrico)
2
1.0
1
0
1
50.0
1350.3
0.0
1350.3
View list