Chess South Africa
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Chess South Africa
Van Der Merwe, ZC (Zander Christiaan)
Dob:
2014/05/27 (U12)
Gender:
Male
Chess SA id:
1140134245
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (38 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
1401.8
Current Weighted rating
1356.2
Current Weighted performance
1388.2
Current official/published rating (highest between Raw, WR and WP)
1401.8
Current highest rating achieved
1418.1
Current floor (min rating allowed)
918.1
Current K-factor
32
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)
±124.4
Current Raw change used (final)
0.0
Projected new Raw rating
1401.8
Projected new Weighed rating
1247.5
Projected new Weighted performance
1388.2
Projected new final Raw rating (if new WP > new Raw)
1401.8
Projected new highest rating
1418.1
Projected new floor
918.1
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1401.8
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
1403.6
Current Weighted rating
1351.4
Current Weighted performance
1388.2
Current official/published rating (highest between Raw, WR and WP)
1403.6
Current highest rating achieved
1419.4
Current floor (min rating allowed)
919.4
Current K-factor
32
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)
±124.1
Current Raw change used (final)
0.0
Projected new Raw rating
1403.6
Projected new Weighed rating
1243.0
Projected new Weighted performance
1388.2
Projected new final Raw rating (if new WP > new Raw)
1403.6
Projected new highest rating
1419.4
Projected new floor
919.4
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1403.6
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
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
6
2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1346.8
1337.4
Analysis
5
2024 Silver Lakes Open Chess Tournament (D2)
2024/04/20
2024/04/20
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1360.9
1353.4
Analysis
4
2024 Constantiapark Open (D1)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1379.5
1376.8
Analysis
3
2024 Blou Bul Open Chess Tournament (D)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1379.5
1376.8
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (D1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1339.2
1335.8
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U10B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.5
1339.2
1335.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
24
2024 Tshwane South School District CLOSED Individual Championships (U11 Mixed)
2024/05/11
2024/05/11
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1346.8
1337.4
Analysis
23
2024 Silver Lakes Open Chess Tournament (D2)
2024/04/20
2024/04/20
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1360.9
1353.4
Analysis
22
2024 Constantiapark Open (D1)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1379.5
1376.8
Analysis
21
2024 Blou Bul Open Chess Tournament (D)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1379.5
1376.8
Analysis
20
2024 Tshwane Chess OPEN Registration Tournament (D1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1339.2
1335.8
Analysis
19
2024 Gauteng Inter-Region Chess Championship (U10B)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
4.5
1339.2
1335.8
Analysis
18
Lardies Open Tournament 2023 (D1)
2023/10/28
2023/10/28
Tshwane (GTP)
Standard
60
0.83
5
4
2.5
1348.0
1344.8
Analysis
17
2023 Centurion Chess Open (D)
2023/09/23
2023/09/23
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1365.0
1367.2
Analysis
16
2023 Etienne Lewis Closed Tournament (U10)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
4.5
1295.8
1277.6
Analysis
15
2023 Gauteng Top Schools (U9 Mixed)
2023/08/18
2023/08/18
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1295.8
1277.6
Analysis
14
2023 Woman's Day Open Chess Tournament (Knight)
2023/08/09
2023/08/09
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1295.8
1277.6
Analysis
13
2023 Tshwane South School District CLOSED League Championship (U9)
2023/07/29
2023/07/29
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1343.6
1332.0
Analysis
12
2023 Milos Ristic Open Tournament (D1)
2023/04/27
2023/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1395.4
1395.7
Analysis
11
Laerskool Constantiapark Open Chess Tournament 2023 (U10)
2023/02/18
2023/02/18
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1350.2
1347.4
Analysis
10
2023 Piet Robbertse Fide Rated Open Chess Tournament (E)
2023/02/04
2023/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
5.0
1350.2
1347.4
Analysis
9
2023 Tshwane Chess Open Registration Tournament (E)
2023/01/28
2023/01/28
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1365.1
1365.3
Analysis
8
2022 Gauteng Schools Team Championships (U9 Open)
2022/08/27
2022/08/27
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1389.4
1382.6
Analysis
7
2022 Alekhine Open (E)
2022/08/13
2022/08/13
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1389.4
1382.6
Analysis
6
D4 Play Offs 2022 (U9)
2022/07/30
2022/07/30
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1418.1
1419.4
Analysis
5
2022 Chris Greyling Open (E)
2022/03/12
2022/03/12
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1295.6
1315.9
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
30
19
3
8
20.5
68.3
155.8
1259.2
1415.1
White
14
10
0
4
10.0
71.4
182.1
1250.1
1432.2
Black
16
9
3
4
10.5
65.6
132.8
1267.2
1400.0
Standard
All
30
19
3
8
20.5
68.3
155.8
1259.2
1415.1
White
14
10
0
4
10.0
71.4
182.1
1250.1
1432.2
Black
16
9
3
4
10.5
65.6
132.8
1267.2
1400.0
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
120
70
16
34
78.0
65.0
127.5
1222.6
1350.1
White
59
35
8
16
39.0
66.1
136.9
1234.7
1371.5
Black
61
35
8
18
39.0
63.9
118.4
1211.0
1329.4
Standard
All
120
70
16
34
78.0
65.0
127.5
1222.6
1350.1
White
59
35
8
16
39.0
66.1
136.9
1234.7
1371.5
Black
61
35
8
18
39.0
63.9
118.4
1211.0
1329.4
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2140135776
Roberts, F (Frans-Leigh)
4
1.0
1
0
3
25.0
1363.3
-212.5
1150.8
View list
2
1140134237
Barkhuizen, SJ (Simon Jurgens)
3
2.5
2
1
0
83.3
1251.2
283.3
1534.5
View list
3
1140160790
Bienedell, R (Robin)
3
1.0
1
0
2
33.3
1340.7
-141.7
1199.0
View list
4
1140135082
Janse Van Rensburg, J (Josh)
3
0.5
0
1
2
16.7
1311.7
-283.3
1028.4
View list
5
2140134240
Du Plessis, M (Mia)
2
2.0
2
0
0
100.0
1240.8
425.0
1665.8
View list
6
1140145714
Ntsoane, L (Lethabo)
2
2.0
2
0
0
100.0
1342.6
425.0
1767.6
View list
7
1130112336
Pieters, H (Hanroux)
2
2.0
2
0
0
100.0
1282.2
425.0
1707.2
View list
8
2140135772
Potgieter, R (Raven)
2
2.0
2
0
0
100.0
1285.4
425.0
1710.4
View list
9
2140135778
Sutherland, K (Kiona)
2
2.0
2
0
0
100.0
1330.4
425.0
1755.4
View list
10
2150157433
Westermann, I (Inge)
2
2.0
2
0
0
100.0
1337.7
425.0
1762.7
View list
11
1140134057
Erwee, HP (Hermanus Philipus)
2
1.0
1
0
1
50.0
1247.9
0.0
1247.9
View list
12
2140135773
Raath, E (Emma)
2
1.0
1
0
1
50.0
1264.8
0.0
1264.8
View list
13
1150140638
Wolvaardt, J (Jonathan)
2
1.0
1
0
1
50.0
1319.7
0.0
1319.7
View list
14
2140143071
Haupt, A (Abigail)
2
1.0
0
2
0
50.0
1357.7
0.0
1357.7
View list
15
1140134242
Opperman, J (Jordan)
2
0.5
0
1
1
25.0
1289.8
-212.5
1077.3
View list
16
1130108360
Sathish, A (Aarya)
2
0.5
0
1
1
25.0
1342.5
-212.5
1130.0
View list
17
1100105140
Jacobs, H (Hanno)
2
0.0
0
0
2
0.0
1337.7
-425.0
912.7
View list
18
1140153029
Botha, S (Sebastian)
1
1.0
1
0
0
100.0
1339.2
425.0
1764.2
View list
19
2130134040
Botha, L (Lincke)
1
1.0
1
0
0
100.0
1217.6
425.0
1642.6
View list
20
1120143038
Boshoff, R (Reinhardt)
1
1.0
1
0
0
100.0
1395.4
425.0
1820.4
View list