Player Page

Van Der Westhuizen, GJH (Gerhardus)
Dob: 2004/08/09 (Adult)
Gender: Male
Chess SA id: 104039614
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2022/07/22 (857 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 rating1239.4
Current Weighted rating1239.4
Current Weighted performance601.6
Current official/published rating (highest between Raw, WR and WP)1239.4
Current highest rating achieved1276.2
Current floor (min rating allowed)776.2
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)±156.8
Current Raw change used (final)0.0
Projected new Raw rating1239.4
Projected new Weighed rating1140.2
Projected new Weighted performance601.6
Projected new final Raw rating (if new WP > new Raw)1239.4
Projected new highest rating1276.2
Projected new floor776.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1239.4
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 rating1221.5
Current Weighted rating1221.5
Current Weighted performance601.6
Current official/published rating (highest between Raw, WR and WP)1221.5
Current highest rating achieved1262.9
Current floor (min rating allowed)762.9
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)±160.8
Current Raw change used (final)0.0
Projected new Raw rating1221.5
Projected new Weighed rating1123.8
Projected new Weighted performance601.6
Projected new final Raw rating (if new WP > new Raw)1221.5
Projected new highest rating1262.9
Projected new floor762.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1221.5
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 rating775.4
Current Weighted rating775.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)775.4
Current highest rating achieved1134.0
Current floor (min rating allowed)634.0
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)±303.6
Current Raw change used (final)0.0
Projected new Raw rating775.4
Projected new Weighed rating713.4
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1134.0
Projected new floor634.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)775.4
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 rating775.4
Current Weighted rating775.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)775.4
Current highest rating achieved1134.0
Current floor (min rating allowed)634.0
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)±303.6
Current Raw change used (final)0.0
Projected new Raw rating775.4
Projected new Weighed rating713.4
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1134.0
Projected new floor634.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)775.4
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
17 Bojanala Chess Federation Clash of Schools 2022 (Prestige) 2022/07/22 2022/07/22 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.0 1276.2 1262.9 Analysis
16 Laerskool Proteapark 2020 (C) 2020/02/29 2020/02/29 Bojanala Platina (NBR) Standard 60 0.83 5 5 5.0 1132.8 1117.7 Analysis
15 2019 South African Top Schools Team Championships (U15+U17 Open) 2020/01/10 2020/01/11 4 Knights (4K) Standard 90 0.94 5 4 2.0 1072.4 1066.9 Analysis
14 2019 South African Junior Team Championships (U16D) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 2.0 1072.4 1066.9 Analysis
13 Inter Region 2019 (U16 Open) 2019/10/19 2019/10/19 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 997.9 990.5 Analysis
12 Laerskool Rustenburg 2019 (U16) 2019/08/17 2019/08/17 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 958.7 940.5 Analysis
11 Hoerskool Brits Tournament 2019 (B) 2019/02/09 2019/02/09 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.5 1018.1 1011.7 Analysis
10 Fields College Open 2019 (U16) 2019/02/02 2019/02/02 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 1018.1 1011.7 Analysis
9 South African Junior Team Championships 2018 (U16D) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 6 5.0 898.1 884.5 Analysis
8 Bojanala Regionals 2018 (U16) 2018/09/15 2018/09/15 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.5 926.3 916.9 Analysis
7 Lebone II Chess 2018 (U16) 2018/09/01 2018/09/01 Cape Town (WCT) Standard 60 0.83 5 5 2.0 926.3 916.9 Analysis
6 Laerskool Brits Tournament 2018 (U16) 2018/08/04 2018/08/04 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.5 955.5 950.9 Analysis
5 Hoërskool Frikkie Meyer 2018 (B) 2018/07/21 2018/07/21 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 857.2 867.0 Analysis
4 Laerskool Proteapark Chess 2018 (C) 2018/05/19 2018/05/19 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 819.7 827.8 Analysis
3 Inter Regional 2018 (U16 Individual) 2018/05/04 2018/05/05 Frances Baard (NCF) Standard 60 0.83 5 5 3.0 819.7 827.8 Analysis
2 Laerskool Rustenburg 2018 (B) 2018/03/24 2018/03/24 Bojanala Platina (NBR) Standard 60 0.83 5 5 3.0 783.8 783.8 Analysis
1 South African Junior Team Championships 2017 (U16C) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 2.0 775.4 775.4 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 89 41 6 42 44.0 49.4 -4.8 1036.2 1031.4
White 45 21 5 19 23.5 52.2 18.9 1047.4 1066.3
Black 44 20 1 23 20.5 46.6 -29.0 1024.8 995.8
Standard All 89 41 6 42 44.0 49.4 -4.8 1036.2 1031.4
White 45 21 5 19 23.5 52.2 18.9 1047.4 1066.3
Black 44 20 1 23 20.5 46.6 -29.0 1024.8 995.8
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 104015355 Khampepe, OJ (Olebogeng) 4 2.5 2 1 1 62.5 937.2 106.3 1043.5 View list
2 104064343 Rakgokong, O (Otshepeng) 3 3.0 3 0 0 100.0 902.7 425.0 1327.7 View list
3 104039867 Van Greuning, PJ (Pieter) 3 2.0 2 0 1 66.7 936.0 141.7 1077.7 View list
4 103024490 Moletsane, OP (Oreratile) 3 1.0 1 0 2 33.3 1052.7 -141.7 911.0 View list
5 107068811 Dire, O (Otlotleng) 2 2.0 2 0 0 100.0 838.5 425.0 1263.5 View list
6 1020099315 Van Zyl, D (Daniel) 2 1.5 1 1 0 75.0 937.7 212.5 1150.2 View list
7 1050111759 Chikwava, T (Tawana) 2 1.0 1 0 1 50.0 1117.5 0.0 1117.5 View list
8 1030099309 Matlou, O (Otsile) 2 1.0 1 0 1 50.0 1018.1 0.0 1018.1 View list
9 1050109335 Mokoena, T (Thoriso) 2 1.0 1 0 1 50.0 1045.8 0.0 1045.8 View list
10 1050096342 Molotsi, O (Oabile) 2 1.0 1 0 1 50.0 1147.2 0.0 1147.2 View list
11 103027349 Neto, D (David) 2 0.5 0 1 1 25.0 873.0 -212.5 660.5 View list
12 2030098807 Baker, L (Leone) 1 1.0 1 0 0 100.0 898.1 425.0 1323.1 View list
13 202050671 Ahjum, S (Sharon) 1 1.0 1 0 0 100.0 775.4 425.0 1200.4 View list
14 1030100876 Bombane, T (Thabisho) 1 1.0 1 0 0 100.0 819.7 425.0 1244.7 View list
15 1040112997 Galetlole, V (Vusumuzi) 1 1.0 1 0 0 100.0 1072.4 425.0 1497.4 View list
16 209083775 Fourie, M (Marli) 1 1.0 1 0 0 100.0 857.2 425.0 1282.2 View list
17 2050107670 Fortuin, S (Siphosethu) 1 1.0 1 0 0 100.0 898.1 425.0 1323.1 View list
18 205079715 Evans, R (Robyn) 1 1.0 1 0 0 100.0 1072.4 425.0 1497.4 View list
19 102064319 Esterhuizen, WJ (Willem Johannes) 1 1.0 1 0 0 100.0 783.8 425.0 1208.8 View list
20 1050118304 Du Toit, GF (Guillaume Francois) 1 1.0 1 0 0 100.0 1072.4 425.0 1497.4 View list