Player Page

Ngaka, R (Refilwe Tyron)
Dob: 2013/12/30 (U12)
Gender: Male
Chess SA id: 1130153985
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (36 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 rating1217.7
Current Weighted rating1193.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1217.7
Current highest rating achieved1220.7
Current floor (min rating allowed)720.7
Current K-factor36
Games played this month5
Score (S)3.0
Expected score (We)2.45
Difference (S-We)0.46
Current Raw change (no limits, including tournament time weight)16.4
Current min/max change allowed (with limits)±161.7
Current Raw change used (final)16.4
Projected new Raw rating1234.1
Projected new Weighed rating1097.5
Projected new Weighted performance1135.7
Projected new final Raw rating (if new WP > new Raw)1234.1
Projected new highest rating1234.1
Projected new floor734.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1234.1
Projected effective change (new Official - current Official)+16.4
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 rating1183.8
Current Weighted rating1181.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1183.8
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month5
Score (S)3.0
Expected score (We)2.24
Difference (S-We)0.76
Current Raw change (no limits, including tournament time weight)27.4
Current min/max change allowed (with limits)±169.7
Current Raw change used (final)27.4
Projected new Raw rating1211.2
Projected new Weighed rating1086.6
Projected new Weighted performance923.3
Projected new final Raw rating (if new WP > new Raw)1211.2
Projected new highest rating1211.2
Projected new floor711.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1211.2
Projected effective change (new Official - current Official)+27.4
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 rating1258.3
Current Weighted rating1213.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1258.3
Current highest rating achieved1258.3
Current floor (min rating allowed)758.3
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)±152.6
Current Raw change used (final)0.0
Projected new Raw rating1258.3
Projected new Weighed rating1116.8
Projected new Weighted performance476.3
Projected new final Raw rating (if new WP > new Raw)1258.3
Projected new highest rating1258.3
Projected new floor758.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1258.3
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: Ekurhuleni North Primary Schools District Individual Finals 2024 (U11 Boys)
Start: 2024/05/11  End: 2024/05/11  Host: GE  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.0
Main rating: 1217.7  Rating gain/loss: 16.4
Type rating: 1183.8  Rating gain/loss: 27.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Ekurhuleni North Primary Schools District Individual Finals 2024 (U11 Boys) 2024/05/11 2024/05/11 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1217.7 1183.8 Analysis
2 Westwood Open 2024 (C) 2024/04/13 2024/04/13 Ekurhuleni (GE) Standard 60 0.83 5 4 2.0 1220.7 1177.0 Analysis
1 Kempton Park Cluster Individuals 2024 (U11 Boys) 2024/03/02 2024/03/02 Ekurhuleni (GE) Rapid 30 0.60 5 5 4.0 1181.8 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Ekurhuleni North Primary Schools District Individual Finals 2024 (U11 Boys) 2024/05/11 2024/05/11 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1217.7 1183.8 Analysis
3 Westwood Open 2024 (C) 2024/04/13 2024/04/13 Ekurhuleni (GE) Standard 60 0.83 5 4 2.0 1220.7 1177.0 Analysis
2 Kempton Park Cluster Individuals 2024 (U11 Boys) 2024/03/02 2024/03/02 Ekurhuleni (GE) Rapid 30 0.60 5 5 4.0 1181.8 1200.0 Analysis
1 Alberton Chess Club Tournament 1 2023 (D) 2023/04/15 2023/04/15 Ekurhuleni (GE) Standard 60 0.83 5 3 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 14 9 0 5 9.0 64.3 121.4 1220.5 1342.0
White 7 5 0 2 5.0 71.4 182.1 1204.7 1386.8
Black 7 4 0 3 4.0 57.1 60.7 1236.4 1297.1
Standard All 9 5 0 4 5.0 55.6 47.2 1216.6 1263.8
White 5 3 0 2 3.0 60.0 85.0 1206.6 1291.6
Black 4 2 0 2 2.0 50.0 0.0 1229.2 1229.2
Rapid All 5 4 0 1 4.0 80.0 255.0 1227.6 1482.6
White 2 2 0 0 2.0 100.0 425.0 1200.0 1625.0
Black 3 2 0 1 2.0 66.7 141.7 1246.0 1387.7
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 17 10 0 7 10.0 58.8 75.0 1213.6 1288.6
White 9 6 0 3 6.0 66.7 141.7 1205.7 1347.4
Black 8 4 0 4 4.0 50.0 0.0 1222.5 1222.5
Standard All 12 6 0 6 6.0 50.0 0.0 1207.8 1207.8
White 7 4 0 3 4.0 57.1 60.7 1207.3 1268.0
Black 5 2 0 3 2.0 40.0 -85.0 1208.4 1123.4
Rapid All 5 4 0 1 4.0 80.0 255.0 1227.6 1482.6
White 2 2 0 0 2.0 100.0 425.0 1200.0 1625.0
Black 3 2 0 1 2.0 66.7 141.7 1246.0 1387.7
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 1140112260 Pillay, J (Joshua) 2 1.0 1 0 1 50.0 1201.3 0.0 1201.3 View list
2 1130305675 Mphahlele, T (Tshekego) 1 1.0 1 0 0 100.0 1217.7 425.0 1642.7 View list
3 1130301397 Masilela, C (Charlie) 1 1.0 1 0 0 100.0 1181.8 425.0 1606.8 View list
4 1140305669 Malepo, L (Lesego) 1 1.0 1 0 0 100.0 1217.7 425.0 1642.7 View list
5 1130305665 Magagula, N (Ndumiso) 1 1.0 1 0 0 100.0 1217.7 425.0 1642.7 View list
6 1140301395 Kekae, M (Morena) 1 1.0 1 0 0 100.0 1181.8 425.0 1606.8 View list
7 2140301262 Karsas, S (Sophia) 1 1.0 1 0 0 100.0 1220.7 425.0 1645.7 View list
8 1150153977 Chetty, A (Aryanna) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1140301413 Zungu, N (Nqubeko) 1 1.0 1 0 0 100.0 1181.8 425.0 1606.8 View list
10 2140302281 Stieler, K (Kayla) 1 1.0 1 0 0 100.0 1220.7 425.0 1645.7 View list
11 1130301403 Ngobeni, T (Tsebo) 1 0.0 0 0 1 0.0 1181.8 -425.0 756.8 View list
12 1140144442 Ngcongolo, Z (Zanothando) 1 0.0 0 0 1 0.0 1217.7 -425.0 792.7 View list
13 2140158233 Van Der Westhuizen, L (L-Ree) 1 0.0 0 0 1 0.0 1220.7 -425.0 795.7 View list
14 1130305680 Tshogo, O (Oratiloe) 1 0.0 0 0 1 0.0 1217.7 -425.0 792.7 View list
15 1140140140 Tang, V (Vicky) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 1110146506 Barnard, R (Ruan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list