Player Page

Groenewald, W (Willem)
Dob: 2010/09/01 (U16)
Gender: Male
Chess SA id: 1100161467
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/10/19 (51 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 rating1313.9
Current Weighted rating1270.5
Current Weighted performance1237.2
Current official/published rating (highest between Raw, WR and WP)1313.9
Current highest rating achieved1313.9
Current floor (min rating allowed)813.9
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)±141.0
Current Raw change used (final)0.0
Projected new Raw rating1313.9
Projected new Weighed rating1170.6
Projected new Weighted performance1237.2
Projected new final Raw rating (if new WP > new Raw)1313.9
Projected new highest rating1313.9
Projected new floor813.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1313.9
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 rating1203.9
Current Weighted rating1200.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1203.9
Current highest rating achieved1203.9
Current floor (min rating allowed)703.9
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)±164.9
Current Raw change used (final)0.0
Projected new Raw rating1203.9
Projected new Weighed rating1104.6
Projected new Weighted performance653.6
Projected new final Raw rating (if new WP > new Raw)1203.9
Projected new highest rating1203.9
Projected new floor703.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1203.9
Projected effective change (new Official - current Official)=0.0
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 rating1340.0
Current Weighted rating1300.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1340.0
Current highest rating achieved1340.0
Current floor (min rating allowed)840.0
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)±135.8
Current Raw change used (final)0.0
Projected new Raw rating1340.0
Projected new Weighed rating1198.2
Projected new Weighted performance1244.7
Projected new final Raw rating (if new WP > new Raw)1340.0
Projected new highest rating1340.0
Projected new floor840.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1340.0
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Worcester Knock-Out 2024 (U15 Boys) 2024/10/19 2024/10/19 Cape Winelands (WCW) Rapid 30 0.60 6 6 4.0 1302.9 1336.0 Analysis
3 Western Cape - Brian Raubenheimer Development Tournament 2024 (U15 Boys) 2024/06/08 2024/06/08 Overberg (WOS) Rapid 35 0.66 6 6 4.5 1263.2 1296.8 Analysis
2 Cape Winelands Schools - Prestige 2024 (U15 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1262.6 1193.5 Analysis
1 Cape Winelands Schools - HS Trials 1 2024 (U15 Boys) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 4.0 1241.0 1276.3 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 Worcester Knock-Out 2024 (U15 Boys) 2024/10/19 2024/10/19 Cape Winelands (WCW) Rapid 30 0.60 6 6 4.0 1302.9 1336.0 Analysis
5 Western Cape - Brian Raubenheimer Development Tournament 2024 (U15 Boys) 2024/06/08 2024/06/08 Overberg (WOS) Rapid 35 0.66 6 6 4.5 1263.2 1296.8 Analysis
4 Cape Winelands Schools - Prestige 2024 (U15 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1262.6 1193.5 Analysis
3 Cape Winelands Schools - HS Trials 1 2024 (U15 Boys) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 4.0 1241.0 1276.3 Analysis
2 Western Cape Top Schools 2023 (U13 Mixed) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 5 1.5 1247.6 1200.0 Analysis
1 CW Top Schools 2023 (U13 Mix + U13 Girls) 2023/08/26 2023/08/26 Cape Winelands (WCW) Rapid 32 0.63 5 5 4.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 23 13 3 7 14.5 63.0 110.9 1273.4 1384.3
White 12 4 2 6 5.0 41.7 -70.8 1310.0 1239.2
Black 11 9 1 1 9.5 86.4 309.1 1233.5 1542.6
Standard All 5 2 0 3 2.0 40.0 -85.0 1358.0 1273.0
White 3 0 0 3 0.0 0.0 -425.0 1453.9 1028.9
Black 2 2 0 0 2.0 100.0 425.0 1214.0 1639.0
Rapid All 18 11 3 4 12.5 69.4 165.3 1249.9 1415.2
White 9 4 2 3 5.0 55.6 47.2 1262.0 1309.3
Black 9 7 1 1 7.5 83.3 283.3 1237.8 1521.1
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 33 18 5 10 20.5 62.1 103.0 1279.2 1382.3
White 16 7 2 7 8.0 50.0 0.0 1304.3 1304.3
Black 17 11 3 3 12.5 73.5 200.0 1255.7 1455.7
Standard All 10 3 1 6 3.5 35.0 -127.5 1366.3 1238.8
White 5 1 0 4 1.0 20.0 -255.0 1428.0 1173.0
Black 5 2 1 2 2.5 50.0 0.0 1304.5 1304.5
Rapid All 23 15 4 4 17.0 73.9 203.3 1241.4 1444.7
White 11 6 2 3 7.0 63.6 115.9 1248.1 1364.0
Black 12 9 2 1 10.0 83.3 283.3 1235.3 1518.6
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 1100192748 Maseti, E (Endinako) 2 1.5 1 1 0 75.0 1272.0 212.5 1484.5 View list
2 1090151271 Tshiwula, N (Naba) 2 1.0 1 0 1 50.0 1252.1 0.0 1252.1 View list
3 1100153802 Meyer, D (Dewanio) 1 1.0 1 0 0 100.0 1263.2 425.0 1688.2 View list
4 2100137702 Matthys, W (Waylynne Beronick) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1100301867 Adams, E (El-Linio) 1 1.0 1 0 0 100.0 1263.2 425.0 1688.2 View list
6 1100192751 Oosthuizen, B (Ben) 1 1.0 1 0 0 100.0 1241.0 425.0 1666.0 View list
7 1110110756 Olivier, F (Francois) 1 1.0 1 0 0 100.0 1247.6 425.0 1672.6 View list
8 1090312898 Ntunta, I (Iminathi) 1 1.0 1 0 0 100.0 1302.9 425.0 1727.9 View list
9 110087342 Conradie, A (Andre) 1 1.0 1 0 0 100.0 1302.9 425.0 1727.9 View list
10 1050159006 Geldenhuys, J (Joshua) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
11 1090312897 Louw, C (Caleb) 1 1.0 1 0 0 100.0 1302.9 425.0 1727.9 View list
12 1090149847 Lawardien, D (Damian) 1 1.0 1 0 0 100.0 1262.6 425.0 1687.6 View list
13 1090137478 Koopman, J (Jayden) 1 1.0 1 0 0 100.0 1263.2 425.0 1688.2 View list
14 1110149792 Radloff, H (Hunther) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
15 1090192753 Smal, N (Nazer) 1 1.0 1 0 0 100.0 1241.0 425.0 1666.0 View list
16 1090140768 Solomon, B (Brooklyn) 1 1.0 1 0 0 100.0 1262.6 425.0 1687.6 View list
17 1090192755 Trautman, T (Tristan) 1 1.0 1 0 0 100.0 1241.0 425.0 1666.0 View list
18 1100118433 Van Rhyn, R (Remigio) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
19 1090109847 Hugo, E (Emil) 1 0.5 0 1 0 50.0 1302.9 0.0 1302.9 View list
20 1110108721 Heyes, Z (Zachary) 1 0.5 0 1 0 50.0 1247.6 0.0 1247.6 View list