Player Page

Van Der Merwe, D (Duvan)
Dob: 2015/12/11 (U10)
Gender: Male
Chess SA id: 1150147675
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/04/20 (65 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 rating1213.2
Current Weighted rating1231.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1231.2
Current highest rating achieved1246.1
Current floor (min rating allowed)746.1
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)±162.7
Current Raw change used (final)0.0
Projected new Raw rating1213.2
Projected new Weighed rating1132.9
Projected new Weighted performance1055.5
Projected new final Raw rating (if new WP > new Raw)1213.2
Projected new highest rating1246.1
Projected new floor746.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1213.2
Projected effective change (new Official - current Official)-18.0
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 rating1211.0
Current Weighted rating1236.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1236.6
Current highest rating achieved1253.1
Current floor (min rating allowed)753.1
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)±163.2
Current Raw change used (final)0.0
Projected new Raw rating1211.0
Projected new Weighed rating1137.8
Projected new Weighted performance1055.5
Projected new final Raw rating (if new WP > new Raw)1211.0
Projected new highest rating1253.1
Projected new floor753.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1211.0
Projected effective change (new Official - current Official)-25.6
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
3 2024 Silver Lakes Open Chess Tournament (E) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1246.1 1253.1 Analysis
2 2024 Chris Greyling Open Chess Tournament (E) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1232.7 1238.0 Analysis
1 2024 Constantiapark Open (E) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1234.5 1241.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 2024 Silver Lakes Open Chess Tournament (E) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1246.1 1253.1 Analysis
3 2024 Chris Greyling Open Chess Tournament (E) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1232.7 1238.0 Analysis
2 2024 Constantiapark Open (E) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1234.5 1241.6 Analysis
1 Lardies Tournament 2022 (U8) 2022/10/29 2022/10/29 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 15 7 1 7 7.5 50.0 0.0 1190.1 1190.1
White 6 3 1 2 3.5 58.3 70.8 1221.5 1292.3
Black 9 4 0 5 4.0 44.4 -47.2 1169.1 1121.9
Standard All 15 7 1 7 7.5 50.0 0.0 1190.1 1190.1
White 6 3 1 2 3.5 58.3 70.8 1221.5 1292.3
Black 9 4 0 5 4.0 44.4 -47.2 1169.1 1121.9
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 20 9 4 7 11.0 55.0 42.5 1192.3 1234.8
White 8 3 3 2 4.5 56.3 53.1 1216.1 1269.2
Black 12 6 1 5 6.5 54.2 35.4 1176.5 1211.9
Standard All 20 9 4 7 11.0 55.0 42.5 1192.3 1234.8
White 8 3 3 2 4.5 56.3 53.1 1216.1 1269.2
Black 12 6 1 5 6.5 54.2 35.4 1176.5 1211.9
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 1150300017 Rousseau, S (Sebastien) 1 1.0 1 0 0 100.0 1232.7 425.0 1657.7 View list
2 1150159593 Motumi, T (Tsepe) 1 1.0 1 0 0 100.0 1232.7 425.0 1657.7 View list
3 1160192175 Venter, S (Stephan) 1 1.0 1 0 0 100.0 1234.5 425.0 1659.5 View list
4 1150300425 Van Der Merwe, A (Abraham) 1 1.0 1 0 0 100.0 1232.7 425.0 1657.7 View list
5 1160161722 De Lange, J (Josua) 1 1.0 1 0 0 100.0 1246.1 425.0 1671.1 View list
6 1160157412 De Klerk, A (Amelia) 1 1.0 1 0 0 100.0 1246.1 425.0 1671.1 View list
7 2150143862 Brits, A (Alina) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 2150191353 Kgwale, I (Itumeleng) 1 1.0 1 0 0 100.0 1234.5 425.0 1659.5 View list
9 2170147085 Janse Van Rensburg, A (Ava) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 1150147660 Fourie, E (Ernest) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
11 1150147659 Du Toit, W (Wilco) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
12 1150147662 Hancke, W (Waldo) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
13 1160157441 Swart, E (Eben) 1 0.5 0 1 0 50.0 1234.5 0.0 1234.5 View list
14 1160161737 Swanepoel, M (Marnu) 1 0.0 0 0 1 0.0 1232.7 -425.0 807.7 View list
15 2150162780 Marais, L (Leja) 1 0.0 0 0 1 0.0 1246.1 -425.0 821.1 View list
16 2170149596 Mabugu, R (Refilwe) 1 0.0 0 0 1 0.0 1246.1 -425.0 821.1 View list
17 1150190422 Li, J (Jiming) 1 0.0 0 0 1 0.0 1232.7 -425.0 807.7 View list
18 2150302697 Li, A (Amanda) 1 0.0 0 0 1 0.0 1246.1 -425.0 821.1 View list
19 1160158379 Gauche, K (Kian) 1 0.0 0 0 1 0.0 1234.5 -425.0 809.5 View list
20 1170149169 Barkhuizen, R (Reuben) 1 0.0 0 0 1 0.0 1234.5 -425.0 809.5 View list