Player Page

Van Der Merwe, B (Benjamin)
Dob: 2013/08/16 (U12)
Gender: Male
Chess SA id: 1130140063
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/11/02 (31 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 rating1229.9
Current Weighted rating1213.4
Current Weighted performance1012.0
Current official/published rating (highest between Raw, WR and WP)1229.9
Current highest rating achieved1229.9
Current floor (min rating allowed)729.9
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)±158.9
Current Raw change used (final)0.0
Projected new Raw rating1229.9
Projected new Weighed rating1116.4
Projected new Weighted performance1012.0
Projected new final Raw rating (if new WP > new Raw)1229.9
Projected new highest rating1229.9
Projected new floor729.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1229.9
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 rating1216.2
Current Weighted rating1201.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1216.2
Current highest rating achieved1216.2
Current floor (min rating allowed)716.2
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)±162.0
Current Raw change used (final)0.0
Projected new Raw rating1216.2
Projected new Weighed rating1105.2
Projected new Weighted performance790.1
Projected new final Raw rating (if new WP > new Raw)1216.2
Projected new highest rating1216.2
Projected new floor716.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1216.2
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 rating1221.6
Current Weighted rating1221.6
Current Weighted performance903.1
Current official/published rating (highest between Raw, WR and WP)1221.6
Current highest rating achieved1221.6
Current floor (min rating allowed)721.6
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)±160.8
Current Raw change used (final)0.0
Projected new Raw rating1221.6
Projected new Weighed rating1123.9
Projected new Weighted performance903.1
Projected new final Raw rating (if new WP > new Raw)1221.6
Projected new highest rating1221.6
Projected new floor721.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1221.6
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 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
1 PR Booyse Standard Tournament 2024 (Development) 2024/11/02 2024/11/02 West Coast (WCU) Standard 60 0.83 5 5 3.0 1212.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 PR Booyse Standard Tournament 2024 (Development) 2024/11/02 2024/11/02 West Coast (WCU) Standard 60 0.83 5 5 3.0 1212.0 1200.0 Analysis
8 Upper West Coast Top Schools Championship 2023 (U7-U11) 2023/06/10 2023/06/10 West Coast (WCU) Rapid 30 0.60 5 4 1.0 1199.1 1273.1 Analysis
7 Bo-Weskus Skole Prestige 2023 (O11 Seuns) 2023/03/04 2023/03/04 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1170.4 1236.4 Analysis
6 West Coast Schools Chess Grand Challenge 2022 (PS Super) 2022/10/29 2022/10/29 West Coast (WCU) Rapid 30 0.60 5 5 2.0 1171.9 1250.8 Analysis
5 Pedro Booyse Top Schools 2022 (U9 Combined) 2022/07/23 2022/07/23 West Coast (WCU) Standard 60 0.83 6 5 2.0 1166.8 1125.6 Analysis
4 Western Cape Schools 2022 (U9 Boys) 2022/05/28 2022/05/29 Cape Winelands (WCW) Standard 65 0.85 6 6 1.0 1232.0 1200.0 Analysis
3 West Coast Schools Chess Prestige Leg 2 2022 (U9 Boys) 2022/04/23 2022/04/23 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1200.0 1200.0 Analysis
2 West Coast Schools Chess Prestige Leg 1 2022 (U9 Boys) 2022/04/09 2022/04/09 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1224.2 1239.6 Analysis
1 Bo Weskus Skole Skaak Prestige (O9 Seuns) 2022/03/19 2022/03/19 West Coast (WCU) Rapid 30 0.60 5 5 3.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 3 0 2 3.0 60.0 85.0 1238.9 1323.9
White 3 2 0 1 2.0 66.7 141.7 1214.2 1355.9
Black 2 1 0 1 1.0 50.0 0.0 1276.0 1276.0
Standard All 5 3 0 2 3.0 60.0 85.0 1238.9 1323.9
White 3 2 0 1 2.0 66.7 141.7 1214.2 1355.9
Black 2 1 0 1 1.0 50.0 0.0 1276.0 1276.0
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 21 2 22 22.0 48.9 -9.4 1225.1 1215.7
White 24 10 0 14 10.0 41.7 -70.8 1230.4 1159.6
Black 21 11 2 8 12.0 57.1 60.7 1219.1 1279.8
Standard All 16 6 0 10 6.0 37.5 -106.3 1244.7 1138.5
White 9 3 0 6 3.0 33.3 -141.7 1235.7 1094.1
Black 7 3 0 4 3.0 42.9 -60.7 1256.3 1195.6
Rapid All 29 15 2 12 16.0 55.2 44.0 1214.3 1258.3
White 15 7 0 8 7.0 46.7 -28.3 1227.2 1198.9
Black 14 8 2 4 9.0 64.3 121.4 1200.5 1322.0
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 1130139907 Bothma, I (Ivandre) 2 2.0 2 0 0 100.0 1212.1 425.0 1637.1 View list
2 1130139159 Van Der Merwe, C (Charl) 2 2.0 2 0 0 100.0 1186.0 425.0 1611.0 View list
3 2120139091 Fortuin, T (Tashnic) 2 1.0 1 0 1 50.0 1185.5 0.0 1185.5 View list
4 1140139141 Engelbrecht, J (Jovan) 2 1.0 1 0 1 50.0 1212.1 0.0 1212.1 View list
5 1140134826 Joseph, B (Beaudan) 2 0.5 0 1 1 25.0 1183.4 -212.5 970.9 View list
6 1130139140 Du Toit, M (Markus) 2 0.0 0 0 2 0.0 1186.0 -425.0 761.0 View list
7 1140139136 Arendse, H (Haygen) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 1140139227 Claassen, J (Jaywin) 1 1.0 1 0 0 100.0 1232.0 425.0 1657.0 View list
9 1140140062 Jordaan, D (Dewan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 2150143112 Koopman, P (Percian) 1 1.0 1 0 0 100.0 1199.1 425.0 1624.1 View list
11 1130153125 Klein, G (Geo) 1 1.0 1 0 0 100.0 1170.4 425.0 1595.4 View list
12 2130139128 Joseph, J (Jiola) 1 1.0 1 0 0 100.0 1166.8 425.0 1591.8 View list
13 1130134717 Maswana, T (Thurston) 1 1.0 1 0 0 100.0 1170.4 425.0 1595.4 View list
14 1130153127 Nasson, L (Liam) 1 1.0 1 0 0 100.0 1170.4 425.0 1595.4 View list
15 1140313325 Nel, W (Willem) 1 1.0 1 0 0 100.0 1212.0 425.0 1637.0 View list
16 1150313328 Schade, B (Ben) 1 1.0 1 0 0 100.0 1212.0 425.0 1637.0 View list
17 1140139155 Smith, K (Kaleb) 1 1.0 1 0 0 100.0 1224.2 425.0 1649.2 View list
18 1130139156 Steenkamp, T (Tiaan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
19 1130139157 Strauss, R (Ruan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
20 2150143116 Tieties, N (Nicola) 1 1.0 1 0 0 100.0 1212.0 425.0 1637.0 View list