Player Page

Van Der Merwe, A (Aiden Joshua)
Dob: 2014/05/29 (U12)
Gender: Male
Chess SA id: 1140134633
FIDE id:
Region: Chess South Africa (CSA)
Citizen: RSA
Title(s):
Last active: 2023/07/29 (481 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 rating1338.6
Current Weighted rating1336.6
Current Weighted performance1079.8
Current official/published rating (highest between Raw, WR and WP)1338.6
Current highest rating achieved1338.6
Current floor (min rating allowed)838.6
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)±136.1
Current Raw change used (final)0.0
Projected new Raw rating1338.6
Projected new Weighed rating1230.2
Projected new Weighted performance1079.8
Projected new final Raw rating (if new WP > new Raw)1338.6
Projected new highest rating1338.6
Projected new floor838.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1338.6
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 rating1352.4
Current Weighted rating1350.4
Current Weighted performance1079.8
Current official/published rating (highest between Raw, WR and WP)1352.4
Current highest rating achieved1352.4
Current floor (min rating allowed)852.4
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)±133.5
Current Raw change used (final)0.0
Projected new Raw rating1352.4
Projected new Weighed rating1242.9
Projected new Weighted performance1079.8
Projected new final Raw rating (if new WP > new Raw)1352.4
Projected new highest rating1352.4
Projected new floor852.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1352.4
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.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 2023 Tshwane South School District CLOSED League Championship (U9) 2023/07/29 2023/07/29 Tshwane (GTP) Standard 60 0.83 5 4 3.0 1321.0 1335.1 Analysis
8 Laerskool Constantiapark Open Chess Tournament 2023 (U10) 2023/02/18 2023/02/18 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1286.0 1294.8 Analysis
7 D4 Play Offs 2022 (U9) 2022/07/30 2022/07/30 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1251.6 1253.8 Analysis
6 2022 Gauteng Interregion (U8 Open+Girls) 2022/02/26 2022/02/26 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1251.3 1250.9 Analysis
5 CP Ope 2022 (E) 2022/02/19 2022/02/19 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1251.3 1250.9 Analysis
4 2022 Tshwane Chess Open Registration Tournament (E) 2022/01/29 2022/01/29 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1283.9 1291.2 Analysis
3 2021 Lardies Ope (F) 2021/10/30 2021/10/30 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1267.8 1272.8 Analysis
2 2021 Etienne Lewis Closed Trials (U8 Open) 2021/09/24 2021/09/24 Nelson Mandela Bay (ENM) Standard 90 0.94 7 7 4.5 1241.7 1244.4 Analysis
1 2021 Alekhine Open (F) 2021/08/14 2021/08/15 Tshwane (GTP) Standard 90 0.94 5 4 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 45 29 2 14 30.0 66.7 141.7 1197.9 1339.6
White 22 14 2 6 15.0 68.2 154.5 1170.8 1325.4
Black 23 15 0 8 15.0 65.2 129.3 1223.9 1353.2
Standard All 45 29 2 14 30.0 66.7 141.7 1197.9 1339.6
White 22 14 2 6 15.0 68.2 154.5 1170.8 1325.4
Black 23 15 0 8 15.0 65.2 129.3 1223.9 1353.2
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 1140134057 Erwee, HP (Hermanus Philipus) 3 2.0 2 0 1 66.7 1254.2 141.7 1395.9 View list
2 2140135781 Van Niekerk, A (Arike) 3 1.0 1 0 2 33.3 1256.9 -141.7 1115.2 View list
3 1140134237 Barkhuizen, SJ (Simon Jurgens) 3 0.0 0 0 3 0.0 1282.9 -425.0 857.9 View list
4 2140137416 Ottermann, A (Ayla) 2 2.0 2 0 0 100.0 1268.7 425.0 1693.7 View list
5 1140135771 Petzer, W (Wilhelm) 2 2.0 2 0 0 100.0 1276.9 425.0 1701.9 View list
6 2150134511 Minny, L (Lunka) 2 1.5 1 1 0 75.0 1220.8 212.5 1433.3 View list
7 2140135776 Roberts, F (Frans-Leigh) 2 1.0 1 0 1 50.0 1251.3 0.0 1251.3 View list
8 1150134514 Deysel, E (Eli) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1130144511 Coetzee, J (Joshua) 1 1.0 1 0 0 100.0 1251.6 425.0 1676.6 View list
10 1140134429 Botha, G (Gregory) 1 1.0 1 0 0 100.0 1241.7 425.0 1666.7 View list
11 1140134238 Bornman, R (Rousseau) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
12 1140137652 Aikman, D (Desmond Gustav) 1 1.0 1 0 0 100.0 1251.3 425.0 1676.3 View list
13 1130135737 Olivier, F (Frederik) 1 1.0 1 0 0 100.0 1283.9 425.0 1708.9 View list
14 1140135767 Myburgh, J (Julian) 1 1.0 1 0 0 100.0 1267.8 425.0 1692.8 View list
15 2140135766 Mulamattathil, R (Raynah) 1 1.0 1 0 0 100.0 1251.3 425.0 1676.3 View list
16 1150147660 Fourie, E (Ernest) 1 1.0 1 0 0 100.0 1286.0 425.0 1711.0 View list
17 2140134835 Fischer, M (Mione) 1 1.0 1 0 0 100.0 1241.7 425.0 1666.7 View list
18 2140135083 Mcphail, A (Ava) 1 1.0 1 0 0 100.0 1283.9 425.0 1708.9 View list
19 1140137412 Malan, F (Franswa) 1 1.0 1 0 0 100.0 1251.3 425.0 1676.3 View list
20 1150149177 Kleynhans, M (Magnus) 1 1.0 1 0 0 100.0 1286.0 425.0 1711.0 View list