Player Page

Groenewald, O (Oscar)
Dob: 2011/02/14 (U14)
Gender: Male
Chess SA id: 1110305053
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/07/20 (127 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 rating1273.0
Current Weighted rating1232.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1273.0
Current highest rating achieved1287.6
Current floor (min rating allowed)787.6
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)±149.4
Current Raw change used (final)0.0
Projected new Raw rating1273.0
Projected new Weighed rating1135.2
Projected new Weighted performance1135.2
Projected new final Raw rating (if new WP > new Raw)1273.0
Projected new highest rating1287.6
Projected new floor787.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1273.0
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 rating1188.8
Current Weighted rating1197.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1197.4
Current highest rating achieved1188.8
Current floor (min rating allowed)688.8
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)±168.5
Current Raw change used (final)0.0
Projected new Raw rating1188.8
Projected new Weighed rating1101.5
Projected new Weighted performance386.1
Projected new final Raw rating (if new WP > new Raw)1188.8
Projected new highest rating1188.8
Projected new floor688.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1188.8
Projected effective change (new Official - current Official)-8.6
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 rating1322.9
Current Weighted rating1252.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1322.9
Current highest rating achieved1322.9
Current floor (min rating allowed)822.9
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)±139.2
Current Raw change used (final)0.0
Projected new Raw rating1322.9
Projected new Weighed rating1153.6
Projected new Weighted performance1053.7
Projected new final Raw rating (if new WP > new Raw)1322.9
Projected new highest rating1322.9
Projected new floor822.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1322.9
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Pedro Booyse Top Schools Championships 2024 (U13) 2024/07/20 2024/07/20 West Coast (WCU) Standard 60 0.83 5 5 1.5 1287.6 1200.0 Analysis
3 Western Cape - Brian Raubenheimer Development Tournament 2024 (U13 Boys) 2024/06/08 2024/06/08 Overberg (WOS) Rapid 35 0.66 6 6 4.0 1262.9 1309.6 Analysis
2 Brenton Cupido West Coast Schools Championship 2024 (U13) 2024/05/24 2024/05/24 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1200.0 1200.0 Analysis
1 Bo-Weskus Skole Skaak Top Skole 2024 (O13) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Pedro Booyse Top Schools Championships 2024 (U13) 2024/07/20 2024/07/20 West Coast (WCU) Standard 60 0.83 5 5 1.5 1287.6 1200.0 Analysis
3 Western Cape - Brian Raubenheimer Development Tournament 2024 (U13 Boys) 2024/06/08 2024/06/08 Overberg (WOS) Rapid 35 0.66 6 6 4.0 1262.9 1309.6 Analysis
2 Brenton Cupido West Coast Schools Championship 2024 (U13) 2024/05/24 2024/05/24 West Coast (WCU) Rapid 30 0.60 5 5 3.0 1200.0 1200.0 Analysis
1 Bo-Weskus Skole Skaak Top Skole 2024 (O13) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 21 12 1 8 12.5 59.5 81.0 1285.0 1365.9
White 10 6 1 3 6.5 65.0 127.5 1234.2 1361.7
Black 11 6 0 5 6.0 54.5 38.6 1331.1 1369.7
Standard All 5 1 1 3 1.5 30.0 -170.0 1381.0 1211.0
White 3 1 1 1 1.5 50.0 0.0 1269.7 1269.7
Black 2 0 0 2 0.0 0.0 -425.0 1548.0 1123.0
Rapid All 16 11 0 5 11.0 68.8 159.4 1254.9 1414.3
White 7 5 0 2 5.0 71.4 182.1 1219.0 1401.2
Black 9 6 0 3 6.0 66.7 141.7 1282.9 1424.5
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 21 12 1 8 12.5 59.5 81.0 1285.0 1365.9
White 10 6 1 3 6.5 65.0 127.5 1234.2 1361.7
Black 11 6 0 5 6.0 54.5 38.6 1331.1 1369.7
Standard All 5 1 1 3 1.5 30.0 -170.0 1381.0 1211.0
White 3 1 1 1 1.5 50.0 0.0 1269.7 1269.7
Black 2 0 0 2 0.0 0.0 -425.0 1548.0 1123.0
Rapid All 16 11 0 5 11.0 68.8 159.4 1254.9 1414.3
White 7 5 0 2 5.0 71.4 182.1 1219.0 1401.2
Black 9 6 0 3 6.0 66.7 141.7 1282.9 1424.5
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 2120110479 Joseph, N (Nashadine) 2 2.0 2 0 0 100.0 1243.8 425.0 1668.8 View list
2 1110131966 Tieties, B (Beauton) 2 0.0 0 0 2 0.0 1243.8 -425.0 818.8 View list
3 1120305051 Digovich, E (Ethan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1120139039 Engelbrecht, V (Vinchenzo) 1 1.0 1 0 0 100.0 1262.9 425.0 1687.9 View list
5 2110153817 Jaftha, N (Nadine) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1090131996 Isaks, M (Matthew) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1110136799 Goliath, J (Jaywin) 1 1.0 1 0 0 100.0 1262.9 425.0 1687.9 View list
8 1110099716 Maarman, B (Blayden) 1 1.0 1 0 0 100.0 1262.9 425.0 1687.9 View list
9 1110304931 Lourens, D (Dalen) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 2120192540 Van Schalkwyk, J (Jayme-Lee) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
11 1110147448 Van Der Merwe, L (Luan Rudolf Johanne) 1 1.0 1 0 0 100.0 1262.9 425.0 1687.9 View list
12 2110192539 Tieties, F (Faith) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
13 2110117567 Schoeman, M (Mischke) 1 0.5 0 1 0 50.0 1287.6 0.0 1287.6 View list
14 1110136810 Roux, K (Kristin) 1 0.0 0 0 1 0.0 1262.9 -425.0 837.9 View list
15 1120139044 Koopman, V (Virat) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 1120142265 Klaassens, J (Jermaine) 1 0.0 0 0 1 0.0 1287.6 -425.0 862.6 View list
17 112090522 Erasmus, H (Heinrich) 1 0.0 0 0 1 0.0 1287.6 -425.0 862.6 View list
18 1120100598 Ellman, A (Andries) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
19 1110148893 Coetzee, H (Hennie) 1 0.0 0 0 1 0.0 1262.9 -425.0 837.9 View list