Player Page

Van Der Merwe, B (Benjamen)
Dob: 2013/08/16 (U12)
Gender: Male
Chess SA id: 1130139158
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2023/06/10 (456 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 rating1177.5
Current Weighted rating1178.7
Current Weighted performance881.1
Current official/published rating (highest between Raw, WR and WP)1178.7
Current highest rating achieved1232.0
Current floor (min rating allowed)732.0
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)±171.2
Current Raw change used (final)0.0
Projected new Raw rating1177.5
Projected new Weighed rating1084.4
Projected new Weighted performance881.1
Projected new final Raw rating (if new WP > new Raw)1177.5
Projected new highest rating1232.0
Projected new floor732.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1177.5
Projected effective change (new Official - current Official)-1.2
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 rating1125.2
Current Weighted rating1125.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1125.2
Current highest rating achieved1125.6
Current floor (min rating allowed)625.6
Current K-factor40
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)±184.5
Current Raw change used (final)0.0
Projected new Raw rating1125.2
Projected new Weighed rating1035.2
Projected new Weighted performance471.5
Projected new final Raw rating (if new WP > new Raw)1125.2
Projected new highest rating1125.6
Projected new floor625.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1125.2
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 rating1228.8
Current Weighted rating1232.3
Current Weighted performance940.1
Current official/published rating (highest between Raw, WR and WP)1232.3
Current highest rating achieved1273.1
Current floor (min rating allowed)773.1
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)±159.1
Current Raw change used (final)0.0
Projected new Raw rating1228.8
Projected new Weighed rating1133.4
Projected new Weighted performance940.1
Projected new final Raw rating (if new WP > new Raw)1228.8
Projected new highest rating1273.1
Projected new floor773.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1228.8
Projected effective change (new Official - current Official)-3.5
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
7 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
6 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
5 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
4 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
3 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
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 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 35 15 2 18 16.0 45.7 -36.4 1225.7 1189.2
White 18 6 0 12 6.0 33.3 -141.7 1236.8 1095.2
Black 17 9 2 6 10.0 58.8 75.0 1213.8 1288.8
Standard All 11 3 0 8 3.0 27.3 -193.2 1247.4 1054.2
White 6 1 0 5 1.0 16.7 -283.3 1246.5 963.2
Black 5 2 0 3 2.0 40.0 -85.0 1248.4 1163.4
Rapid All 24 12 2 10 13.0 54.2 35.4 1215.7 1251.1
White 12 5 0 7 5.0 41.7 -70.8 1232.0 1161.2
Black 12 7 2 3 8.0 66.7 141.7 1199.4 1341.1
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 1130139159 Van Der Merwe, C (Charl) 2 2.0 2 0 0 100.0 1186.0 425.0 1611.0 View list
2 2120139091 Fortuin, T (Tashnic) 2 1.0 1 0 1 50.0 1185.5 0.0 1185.5 View list
3 1140134826 Joseph, B (Beaudan) 2 0.5 0 1 1 25.0 1183.4 -212.5 970.9 View list
4 1140139136 Arendse, H (Haygen) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1130139907 Bothma, I (Ivandre) 1 1.0 1 0 0 100.0 1224.2 425.0 1649.2 View list
6 1140139227 Claassen, J (Jaywin) 1 1.0 1 0 0 100.0 1232.0 425.0 1657.0 View list
7 1140139141 Engelbrecht, J (Jovan) 1 1.0 1 0 0 100.0 1224.2 425.0 1649.2 View list
8 2150143112 Koopman, P (Percian) 1 1.0 1 0 0 100.0 1199.1 425.0 1624.1 View list
9 1130153125 Klein, G (Geo) 1 1.0 1 0 0 100.0 1170.4 425.0 1595.4 View list
10 2130139128 Joseph, J (Jiola) 1 1.0 1 0 0 100.0 1166.8 425.0 1591.8 View list
11 1130134717 Maswana, T (Thurston) 1 1.0 1 0 0 100.0 1170.4 425.0 1595.4 View list
12 1130153127 Nasson, L (Liam) 1 1.0 1 0 0 100.0 1170.4 425.0 1595.4 View list
13 1140139155 Smith, K (Kaleb) 1 1.0 1 0 0 100.0 1224.2 425.0 1649.2 View list
14 1130139157 Strauss, R (Ruan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
15 2140139134 Volgraaff, A (Ava) 1 1.0 1 0 0 100.0 1166.8 425.0 1591.8 View list
16 1120153131 Wilschut, M (Marcwill) 1 0.5 0 1 0 50.0 1170.4 0.0 1170.4 View list
17 1130136550 Noble, A (Andrew) 1 0.0 0 0 1 0.0 1166.8 -425.0 741.8 View list
18 1120134718 Matthys, E (Ezekiel) 1 0.0 0 0 1 0.0 1170.4 -425.0 745.4 View list
19 1140139066 Louw, G (Granville) 1 0.0 0 0 1 0.0 1171.9 -425.0 746.9 View list
20 2130139082 Lott, L (Lucrecia) 1 0.0 0 0 1 0.0 1166.8 -425.0 741.8 View list