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: 2024/07/20 (4 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 rating1177.1
Current Weighted rating1198.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1198.2
Current highest rating achieved1177.1
Current floor (min rating allowed)677.1
Current K-factor40
Games played this month15
Score (S)8.5
Expected score (We)6.36
Difference (S-We)1.78
Current Raw change (no limits, including tournament time weight)71.0
Current min/max change allowed (with limits)±171.3
Current Raw change used (final)71.0
Projected new Raw rating1248.1
Projected new Weighed rating1102.2
Projected new Weighted performance1163.1
Projected new final Raw rating (if new WP > new Raw)1248.1
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)1248.1
Projected effective change (new Official - current Official)+50.0
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 rating1176.0
Current Weighted rating1198.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1198.1
Current highest rating achieved1176.0
Current floor (min rating allowed)676.0
Current K-factor40
Games played this month15
Score (S)8.5
Expected score (We)6.31
Difference (S-We)2.19
Current Raw change (no limits, including tournament time weight)87.6
Current min/max change allowed (with limits)±171.6
Current Raw change used (final)87.6
Projected new Raw rating1263.6
Projected new Weighed rating1102.2
Projected new Weighted performance1163.1
Projected new final Raw rating (if new WP > new Raw)1263.6
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)1263.6
Projected effective change (new Official - current Official)+65.5
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 Midstream College Open Chess Tournament (U10)
Start: 2024/07/20  End: 2024/07/20  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 2.5
Main rating: 1177.1  Rating gain/loss: 13.6
Type rating: 1176.0  Rating gain/loss: 16.8
Analysis
Tournament: Menlopark Open Chess Tournament 2024 (U10)
Start: 2024/07/13  End: 2024/07/13  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 2.0
Main rating: 1177.1  Rating gain/loss: -2.0
Type rating: 1176.0  Rating gain/loss: -2.0
Analysis
Tournament: 2024 Prestige College Open Chess Tournament (E)
Start: 2024/07/06  End: 2024/07/06  Host: GTP  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 4.0
Main rating: 1177.1  Rating gain/loss: 59.4
Type rating: 1176.0  Rating gain/loss: 72.8
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
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 20 10 1 9 10.5 52.5 21.3 1227.0 1248.2
White 10 6 1 3 6.5 65.0 127.5 1196.2 1323.7
Black 10 4 0 6 4.0 40.0 -85.0 1257.8 1172.8
Standard All 20 10 1 9 10.5 52.5 21.3 1227.0 1248.2
White 10 6 1 3 6.5 65.0 127.5 1196.2 1323.7
Black 10 4 0 6 4.0 40.0 -85.0 1257.8 1172.8
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 10 1 9 10.5 52.5 21.3 1227.0 1248.2
White 10 6 1 3 6.5 65.0 127.5 1196.2 1323.7
Black 10 4 0 6 4.0 40.0 -85.0 1257.8 1172.8
Standard All 20 10 1 9 10.5 52.5 21.3 1227.0 1248.2
White 10 6 1 3 6.5 65.0 127.5 1196.2 1323.7
Black 10 4 0 6 4.0 40.0 -85.0 1257.8 1172.8
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 1160302696 Khosana, O (Onalerona) 2 0.0 0 0 2 0.0 1177.1 -425.0 752.1 View list
3 1150303278 Kgengwenyane, G (Goitseone) 1 1.0 1 0 0 100.0 1177.1 425.0 1602.1 View list
4 2160143809 Gerber, Z (Zoe) 1 1.0 1 0 0 100.0 1177.1 425.0 1602.1 View list
5 2160306447 Morena, B (Bokgabo) 1 1.0 1 0 0 100.0 1177.1 425.0 1602.1 View list
6 1140305796 Mgwebi, M (Malinge) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1150306649 Louw, J (Jean) 1 1.0 1 0 0 100.0 1177.1 425.0 1602.1 View list
8 1140143168 Muller, J (Jano) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1160303485 Rakgatlha, K (Karabo Kgobane) 1 1.0 1 0 0 100.0 1177.1 425.0 1602.1 View list
10 1150149180 Palmer, E (Eli) 1 1.0 1 0 0 100.0 1177.1 425.0 1602.1 View list
11 1160158382 Olivier, T (Tomas) 1 0.5 0 1 0 50.0 1177.1 0.0 1177.1 View list
12 1130131228 Visser, A (Aaron) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
13 1140154202 Van Der Walt, C (Christoffel) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
14 1140137094 Ramlachan, K (Kairav) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 1160145195 Labuschagne, P (Phillip) 1 0.0 0 0 1 0.0 1177.1 -425.0 752.1 View list
16 1150149177 Kleynhans, M (Magnus) 1 0.0 0 0 1 0.0 1177.1 -425.0 752.1 View list
17 1150147661 Fourie, M (Marchant) 1 0.0 0 0 1 0.0 1177.1 -425.0 752.1 View list
18 1160151829 Erdogan, D (Demir) 1 0.0 0 0 1 0.0 1177.1 -425.0 752.1 View list