Player Page

Kalpens, B (Bonga)
Dob: 2006/05/11 (U20)
Gender: Male
Chess SA id: 1060302967
FIDE id:
Region: Overberg (WOS)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (18 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 rating1205.8
Current Weighted rating1205.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1205.8
Current highest rating achieved1222.8
Current floor (min rating allowed)722.8
Current K-factor36
Games played this month6
Score (S)2.0
Expected score (We)1.45
Difference (S-We)0.46
Current Raw change (no limits, including tournament time weight)16.4
Current min/max change allowed (with limits)±164.5
Current Raw change used (final)16.4
Projected new Raw rating1222.2
Projected new Weighed rating1109.4
Projected new Weighted performance970.8
Projected new final Raw rating (if new WP > new Raw)1222.2
Projected new highest rating1222.8
Projected new floor722.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1222.2
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 rating1176.4
Current Weighted rating1196.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1196.3
Current highest rating achieved1176.4
Current floor (min rating allowed)676.4
Current K-factor40
Games played this month6
Score (S)2.0
Expected score (We)1.43
Difference (S-We)0.57
Current Raw change (no limits, including tournament time weight)22.8
Current min/max change allowed (with limits)±171.5
Current Raw change used (final)22.8
Projected new Raw rating1199.2
Projected new Weighed rating1100.5
Projected new Weighted performance726.2
Projected new final Raw rating (if new WP > new Raw)1199.2
Projected new highest rating1199.2
Projected new floor699.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1199.2
Projected effective change (new Official - current Official)+2.9
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 rating1224.0
Current Weighted rating1208.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1224.0
Current highest rating achieved1224.0
Current floor (min rating allowed)724.0
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)±160.2
Current Raw change used (final)0.0
Projected new Raw rating1224.0
Projected new Weighed rating1112.4
Projected new Weighted performance429.2
Projected new final Raw rating (if new WP > new Raw)1224.0
Projected new highest rating1224.0
Projected new floor724.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1224.0
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: Western Cape Top Schools Championship 2024 (U18 Mixed)
Start: 2024/08/30  End: 2024/09/01  Host: WEG  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 6
Games: 6  Score: 2.0
Main rating: 1205.8  Rating gain/loss: 16.4
Type rating: 1176.4  Rating gain/loss: 22.8
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Western Cape Top Schools Championship 2024 (U18 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 2.0 1205.8 1176.4 Analysis
2 Overberg Schools - Top Schools 2024 (U18 Mixed) 2024/07/27 2024/07/27 Overberg (WOS) Standard 60 0.83 5 4 1.0 1222.8 1200.0 Analysis
1 Curro Hermanus Freedom Day Rapid 2024 (U19) 2024/04/27 2024/04/27 Overberg (WOS) Rapid 30 0.60 5 5 3.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Western Cape Top Schools Championship 2024 (U18 Mixed) 2024/08/30 2024/09/01 Eden (WEG) Standard 60 0.83 6 6 2.0 1205.8 1176.4 Analysis
2 Overberg Schools - Top Schools 2024 (U18 Mixed) 2024/07/27 2024/07/27 Overberg (WOS) Standard 60 0.83 5 4 1.0 1222.8 1200.0 Analysis
1 Curro Hermanus Freedom Day Rapid 2024 (U19) 2024/04/27 2024/04/27 Overberg (WOS) Rapid 30 0.60 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 15 6 0 9 6.0 40.0 -85.0 1360.1 1275.1
White 6 2 0 4 2.0 33.3 -141.7 1302.6 1161.0
Black 9 4 0 5 4.0 44.4 -47.2 1398.3 1351.1
Standard All 10 3 0 7 3.0 30.0 -170.0 1405.1 1235.1
White 4 1 0 3 1.0 25.0 -212.5 1351.3 1138.8
Black 6 2 0 4 2.0 33.3 -141.7 1441.0 1299.3
Rapid All 5 3 0 2 3.0 60.0 85.0 1269.9 1354.9
White 2 1 0 1 1.0 50.0 0.0 1205.3 1205.3
Black 3 2 0 1 2.0 66.7 141.7 1313.0 1454.7
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 15 6 0 9 6.0 40.0 -85.0 1360.1 1275.1
White 6 2 0 4 2.0 33.3 -141.7 1302.6 1161.0
Black 9 4 0 5 4.0 44.4 -47.2 1398.3 1351.1
Standard All 10 3 0 7 3.0 30.0 -170.0 1405.1 1235.1
White 4 1 0 3 1.0 25.0 -212.5 1351.3 1138.8
Black 6 2 0 4 2.0 33.3 -141.7 1441.0 1299.3
Rapid All 5 3 0 2 3.0 60.0 85.0 1269.9 1354.9
White 2 1 0 1 1.0 50.0 0.0 1205.3 1205.3
Black 3 2 0 1 2.0 66.7 141.7 1313.0 1454.7
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 1060154664 Olivier, J (Jonathan) 2 1.0 1 0 1 50.0 1211.4 0.0 1211.4 View list
2 1060193524 Davids, M (Michael) 1 1.0 1 0 0 100.0 1205.8 425.0 1630.8 View list
3 2060133337 Cloete, L (Lynne) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1060138388 Hendricks, G (Guevante) 1 1.0 1 0 0 100.0 1205.8 425.0 1630.8 View list
5 1070154640 Brand, F (Francois) 1 1.0 1 0 0 100.0 1222.8 425.0 1647.8 View list
6 1050302968 Swingler, A (Alex) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 106088975 Samuels, Z (Zeldo) 1 0.0 0 0 1 0.0 1222.8 -425.0 797.8 View list
8 108083939 Rosenberg, W (Wagheed) 1 0.0 0 0 1 0.0 1205.8 -425.0 780.8 View list
9 2100138624 Reid, H (Hannah) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 1060138412 Harmse, J (Jacques) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 1060138411 Harmse, D (Deon) 1 0.0 0 0 1 0.0 1222.8 -425.0 797.8 View list
12 108051707 De Wit, M (Marnus) 1 0.0 0 0 1 0.0 1205.8 -425.0 780.8 View list
13 1100130764 Claassen, R (Raynier) 1 0.0 0 0 1 0.0 1205.8 -425.0 780.8 View list
14 206061317 Brandt, M (Mia) 1 0.0 0 0 1 0.0 1205.8 -425.0 780.8 View list