Player Page

Van Der Merwe, M (Miekie Annebelle)
Dob: 2012/02/14 (U14)
Gender: Female
Chess SA id: 2120158419
FIDE id:
Region: West Rand (GWR)
Citizen: RSA
Title(s):
Last active: 2024/08/16 (41 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 rating1240.9
Current Weighted rating1195.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1240.9
Current highest rating achieved1240.9
Current floor (min rating allowed)740.9
Current K-factor36
Games played this month5
Score (S)0.0
Expected score (We)2.80
Difference (S-We)-2.32
Current Raw change (no limits, including tournament time weight)-83.7
Current min/max change allowed (with limits)±156.4
Current Raw change used (final)-83.7
Projected new Raw rating1157.2
Projected new Weighed rating1100.0
Projected new Weighted performance995.8
Projected new final Raw rating (if new WP > new Raw)1157.2
Projected new highest rating1240.9
Projected new floor740.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1157.2
Projected effective change (new Official - current Official)-83.7
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 rating1248.9
Current Weighted rating1194.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1248.9
Current highest rating achieved1248.9
Current floor (min rating allowed)748.9
Current K-factor36
Games played this month5
Score (S)0.0
Expected score (We)2.86
Difference (S-We)-2.86
Current Raw change (no limits, including tournament time weight)-103.0
Current min/max change allowed (with limits)±154.7
Current Raw change used (final)-103.0
Projected new Raw rating1145.9
Projected new Weighed rating1099.0
Projected new Weighted performance995.8
Projected new final Raw rating (if new WP > new Raw)1145.9
Projected new highest rating1248.9
Projected new floor748.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1145.9
Projected effective change (new Official - current Official)-103.0
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 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
Tournament: Gauteng Schools Individuals Finals 2024 (U13 Girls)
Start: 2024/08/16  End: 2024/08/16  Host: GE  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 0.0
Main rating: 1240.9  Rating gain/loss: -83.7
Type rating: 1248.9  Rating gain/loss: -103.0
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Gauteng Schools Individuals Finals 2024 (U13 Girls) 2024/08/16 2024/08/16 Ekurhuleni (GE) Standard 60 0.83 5 5 0.0 1240.9 1248.9 Analysis
2 D2 School League Finals 2024 (U13 Girls) 2024/07/20 2024/07/20 West Rand (GWR) Standard 60 0.83 5 4 3.0 1214.6 1217.6 Analysis
1 2024 D2 Schools Individuals (U13 Girls) 2024/05/04 2024/05/04 West Rand (GWR) Standard 60 0.83 5 5 3.5 1176.4 1171.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Gauteng Schools Individuals Finals 2024 (U13 Girls) 2024/08/16 2024/08/16 Ekurhuleni (GE) Standard 60 0.83 5 5 0.0 1240.9 1248.9 Analysis
3 D2 School League Finals 2024 (U13 Girls) 2024/07/20 2024/07/20 West Rand (GWR) Standard 60 0.83 5 4 3.0 1214.6 1217.6 Analysis
2 2024 D2 Schools Individuals (U13 Girls) 2024/05/04 2024/05/04 West Rand (GWR) Standard 60 0.83 5 5 3.5 1176.4 1171.2 Analysis
1 D2 School League Finals 2023 (U11) 2023/07/22 2023/07/22 West Rand (GWR) Standard 60 0.83 5 4 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 14 6 1 7 6.5 46.4 -30.4 1197.8 1167.5
White 6 2 1 3 2.5 41.7 -70.8 1173.0 1102.2
Black 8 4 0 4 4.0 50.0 0.0 1216.4 1216.4
Standard All 14 6 1 7 6.5 46.4 -30.4 1197.8 1167.5
White 6 2 1 3 2.5 41.7 -70.8 1173.0 1102.2
Black 8 4 0 4 4.0 50.0 0.0 1216.4 1216.4
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 18 7 1 10 7.5 41.7 -70.8 1208.2 1137.4
White 8 2 1 5 2.5 31.3 -159.4 1187.4 1028.0
Black 10 5 0 5 5.0 50.0 0.0 1224.9 1224.9
Standard All 18 7 1 10 7.5 41.7 -70.8 1208.2 1137.4
White 8 2 1 5 2.5 31.3 -159.4 1187.4 1028.0
Black 10 5 0 5 5.0 50.0 0.0 1224.9 1224.9
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 2110149257 Fourie, C (Caitlin) 1 1.0 1 0 0 100.0 1214.6 425.0 1639.6 View list
2 1120156228 Elephant, O (Opelong) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 2110303098 Du Toit, P (Payton) 1 1.0 1 0 0 100.0 1176.4 425.0 1601.4 View list
4 2120156253 Padi, R (Reabetswe) 1 1.0 1 0 0 100.0 1214.6 425.0 1639.6 View list
5 2120303104 Mohonoe, N (Ntsikeleo) 1 1.0 1 0 0 100.0 1176.4 425.0 1601.4 View list
6 2110306780 Phindani, M (Mbali) 1 1.0 1 0 0 100.0 1214.6 425.0 1639.6 View list
7 2120303106 Svosvai, U (Unashe) 1 1.0 1 0 0 100.0 1176.4 425.0 1601.4 View list
8 2120140247 Redelinghuys, J (Jade) 1 0.5 0 1 0 50.0 1176.4 0.0 1176.4 View list
9 2110140251 Tlhale, R (Reatile) 1 0.0 0 0 1 0.0 1214.6 -425.0 789.6 View list
10 2110310546 Tinovimba, R (Rufu) 1 0.0 0 0 1 0.0 1240.9 -425.0 815.9 View list
11 1120149248 Smith, K (Kyle) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 2110140248 Roos, S (Shani) 1 0.0 0 0 1 0.0 1176.4 -425.0 751.4 View list
13 2120135850 Phetu, N (Nompumelelo) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
14 2120158402 Mogale, A (Amogelang) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 2120310541 Ngete, I (Inam) 1 0.0 0 0 1 0.0 1240.9 -425.0 815.9 View list
16 2110310539 Mpela, G (Grace) 1 0.0 0 0 1 0.0 1240.9 -425.0 815.9 View list
17 2120155219 Mokgoko, G (Gontse) 1 0.0 0 0 1 0.0 1240.9 -425.0 815.9 View list
18 2120105112 Bogaard, A (Anneke) 1 0.0 0 0 1 0.0 1240.9 -425.0 815.9 View list