Player Page

Van Der Merwe, A (Alex)
Dob: 2015/03/16 (U10)
Gender: Male
Chess SA id: 1150306250
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (7 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 rating1226.4
Current Weighted rating1204.1
Current Weighted performance1191.8
Current official/published rating (highest between Raw, WR and WP)1226.4
Current highest rating achieved1248.1
Current floor (min rating allowed)748.1
Current K-factor36
Games played this month7
Score (S)3.0
Expected score (We)2.97
Difference (S-We)0.03
Current Raw change (no limits, including tournament time weight)1.0
Current min/max change allowed (with limits)±159.7
Current Raw change used (final)1.0
Projected new Raw rating1227.4
Projected new Weighed rating1107.9
Projected new Weighted performance1199.7
Projected new final Raw rating (if new WP > new Raw)1227.4
Projected new highest rating1248.1
Projected new floor748.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1227.4
Projected effective change (new Official - current Official)+1.0
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 rating1235.5
Current Weighted rating1206.0
Current Weighted performance1191.8
Current official/published rating (highest between Raw, WR and WP)1235.5
Current highest rating achieved1263.6
Current floor (min rating allowed)763.6
Current K-factor36
Games played this month7
Score (S)3.0
Expected score (We)3.07
Difference (S-We)-0.07
Current Raw change (no limits, including tournament time weight)-2.5
Current min/max change allowed (with limits)±157.6
Current Raw change used (final)-2.5
Projected new Raw rating1233.0
Projected new Weighed rating1109.7
Projected new Weighted performance1199.7
Projected new final Raw rating (if new WP > new Raw)1233.0
Projected new highest rating1263.6
Projected new floor763.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1233.0
Projected effective change (new Official - current Official)-2.5
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
Tournament: 2024 Etienne Lewis (U10)
Start: 2024/08/30  End: 2024/09/01  Host: GTP  Type: Standard   Time: 90  Time weight: 0.94  Rounds: 7
Games: 7  Score: 3.0
Main rating: 1226.4  Rating gain/loss: 1.0
Type rating: 1235.5  Rating gain/loss: -2.5
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 2024 Etienne Lewis (U10) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 3.0 1226.4 1235.5 Analysis
5 2024 Alekhine Open Chess Tournament (U10) 2024/08/09 2024/08/09 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1248.1 1263.6 Analysis
4 2024 Midstream College Open Chess Tournament (U10) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1177.1 1176.0 Analysis
3 Menlopark Open Chess Tournament 2024 (U10) 2024/07/13 2024/07/13 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1177.1 1176.0 Analysis
2 2024 Prestige College Open Chess Tournament (E) 2024/07/06 2024/07/06 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1177.1 1176.0 Analysis
1 2024 Elise Steenkamp Open Chess Tournament (Rooks) 2024/06/15 2024/06/15 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 2024 Etienne Lewis (U10) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 3.0 1226.4 1235.5 Analysis
5 2024 Alekhine Open Chess Tournament (U10) 2024/08/09 2024/08/09 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1248.1 1263.6 Analysis
4 2024 Midstream College Open Chess Tournament (U10) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1177.1 1176.0 Analysis
3 Menlopark Open Chess Tournament 2024 (U10) 2024/07/13 2024/07/13 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1177.1 1176.0 Analysis
2 2024 Prestige College Open Chess Tournament (E) 2024/07/06 2024/07/06 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1177.1 1176.0 Analysis
1 2024 Elise Steenkamp Open Chess Tournament (Rooks) 2024/06/15 2024/06/15 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 32 15 1 16 15.5 48.4 -13.3 1238.3 1225.1
White 15 7 1 7 7.5 50.0 0.0 1217.9 1217.9
Black 17 8 0 9 8.0 47.1 -25.0 1256.3 1231.3
Standard All 32 15 1 16 15.5 48.4 -13.3 1238.3 1225.1
White 15 7 1 7 7.5 50.0 0.0 1217.9 1217.9
Black 17 8 0 9 8.0 47.1 -25.0 1256.3 1231.3
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 32 15 1 16 15.5 48.4 -13.3 1238.3 1225.1
White 15 7 1 7 7.5 50.0 0.0 1217.9 1217.9
Black 17 8 0 9 8.0 47.1 -25.0 1256.3 1231.3
Standard All 32 15 1 16 15.5 48.4 -13.3 1238.3 1225.1
White 15 7 1 7 7.5 50.0 0.0 1217.9 1217.9
Black 17 8 0 9 8.0 47.1 -25.0 1256.3 1231.3
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 1150159593 Motumi, T (Tsepe) 2 2.0 2 0 0 100.0 1177.1 425.0 1602.1 View list
2 2160162781 Westermann, Z (Zelri) 2 1.0 1 0 1 50.0 1237.3 0.0 1237.3 View list
3 1160302696 Khosana, O (Onalerona) 2 0.0 0 0 2 0.0 1177.1 -425.0 752.1 View list
4 2150157433 Westermann, I (Inge) 2 0.0 0 0 2 0.0 1237.3 -425.0 812.3 View list
5 1150303278 Kgengwenyane, G (Goitseone) 1 1.0 1 0 0 100.0 1177.1 425.0 1602.1 View list
6 1160154139 Haupt, D (Dawid) 1 1.0 1 0 0 100.0 1248.1 425.0 1673.1 View list
7 2160143809 Gerber, Z (Zoe) 1 1.0 1 0 0 100.0 1177.1 425.0 1602.1 View list
8 2160306447 Morena, B (Bokgabo) 1 1.0 1 0 0 100.0 1177.1 425.0 1602.1 View list
9 1140305796 Mgwebi, M (Malinge) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 1150147668 Malan, D (Divan) 1 1.0 1 0 0 100.0 1226.4 425.0 1651.4 View list
11 1150306649 Louw, J (Jean) 1 1.0 1 0 0 100.0 1177.1 425.0 1602.1 View list
12 1140143168 Muller, J (Jano) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
13 1150147657 Danzfuss, E (Edrich) 1 1.0 1 0 0 100.0 1226.4 425.0 1651.4 View list
14 1160303485 Rakgatlha, K (Karabo Kgobane) 1 1.0 1 0 0 100.0 1177.1 425.0 1602.1 View list
15 1150149180 Palmer, E (Eli) 1 1.0 1 0 0 100.0 1177.1 425.0 1602.1 View list
16 1150305143 Tukker, J (Jakus) 1 1.0 1 0 0 100.0 1248.1 425.0 1673.1 View list
17 1160158382 Olivier, T (Tomas) 1 0.5 0 1 0 50.0 1177.1 0.0 1177.1 View list
18 1150143020 Cunningham, C (Cullen) 1 0.0 0 0 1 0.0 1226.4 -425.0 801.4 View list
19 1150147655 Alberts, E (Enrico) 1 0.0 0 0 1 0.0 1226.4 -425.0 801.4 View list
20 1160145195 Labuschagne, P (Phillip) 1 0.0 0 0 1 0.0 1177.1 -425.0 752.1 View list