Player Page

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
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 rating1401.8
Current Weighted rating1356.2
Current Weighted performance1388.2
Current official/published rating (highest between Raw, WR and WP)1401.8
Current highest rating achieved1418.1
Current floor (min rating allowed)918.1
Current K-factor32
Games played this month0
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 rating1401.8
Projected new Weighed rating1247.5
Projected new Weighted performance1388.2
Projected new final Raw rating (if new WP > new Raw)1401.8
Projected new highest rating1418.1
Projected new floor918.1
Projected new K-facor32
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 rating1403.6
Current Weighted rating1351.4
Current Weighted performance1388.2
Current official/published rating (highest between Raw, WR and WP)1403.6
Current highest rating achieved1419.4
Current floor (min rating allowed)919.4
Current K-factor32
Games played this month0
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 rating1403.6
Projected new Weighed rating1243.0
Projected new Weighted performance1388.2
Projected new final Raw rating (if new WP > new Raw)1403.6
Projected new highest rating1419.4
Projected new floor919.4
Projected new K-facor32
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
s
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
12
Game 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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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