Player Page

Viljoen, A (Adriaan Johannes)
Dob: 2012/09/27 (U14)
Gender: Male
Chess SA id: 1120138295
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/08/03 (47 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 rating1199.3
Current Weighted rating1217.5
Current Weighted performance1091.5
Current official/published rating (highest between Raw, WR and WP)1217.5
Current highest rating achieved1268.9
Current floor (min rating allowed)768.9
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)±166.0
Current Raw change used (final)0.0
Projected new Raw rating1199.3
Projected new Weighed rating1123.3
Projected new Weighted performance1091.5
Projected new final Raw rating (if new WP > new Raw)1199.3
Projected new highest rating1268.9
Projected new floor768.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1199.3
Projected effective change (new Official - current Official)-18.2
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 rating1182.8
Current Weighted rating1209.7
Current Weighted performance1091.5
Current official/published rating (highest between Raw, WR and WP)1209.7
Current highest rating achieved1263.1
Current floor (min rating allowed)763.1
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)±169.9
Current Raw change used (final)0.0
Projected new Raw rating1182.8
Projected new Weighed rating1116.1
Projected new Weighted performance1091.5
Projected new final Raw rating (if new WP > new Raw)1182.8
Projected new highest rating1263.1
Projected new floor763.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1182.8
Projected effective change (new Official - current Official)-26.9
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 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
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
5 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13A) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1212.1 1195.8 Analysis
4 Menlopark Open Chess Tournament 2024 (B) 2024/07/13 2024/07/13 Tshwane (GTP) Standard 60 0.83 5 5 0.0 1268.9 1263.1 Analysis
3 2024 Tshwane Chess AHS Open Chess Tournament (D1) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1248.1 1242.2 Analysis
2 2024 Constantiapark Open (D1) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1248.1 1242.2 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U12C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1219.7 1213.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
19 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13A) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1212.1 1195.8 Analysis
18 Menlopark Open Chess Tournament 2024 (B) 2024/07/13 2024/07/13 Tshwane (GTP) Standard 60 0.83 5 5 0.0 1268.9 1263.1 Analysis
17 2024 Tshwane Chess AHS Open Chess Tournament (D1) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1248.1 1242.2 Analysis
16 2024 Constantiapark Open (D1) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1248.1 1242.2 Analysis
15 2024 Gauteng Inter-Region Chess Championship (U12C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1219.7 1213.0 Analysis
14 2023 Etienne Lewis Closed Tournament (U12) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1181.8 1174.7 Analysis
13 2023 Tshwane South School District CLOSED League Championship (U11) 2023/07/29 2023/07/29 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1148.7 1141.2 Analysis
12 2023 Menlo Open Tournament (D) 2023/07/22 2023/07/22 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1148.7 1141.2 Analysis
11 2023 Tshwane South School District CLOSED Individual Championships (U11 Open) 2023/04/22 2023/04/22 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1120.7 1114.1 Analysis
10 2023 Afrikaans Hoër Seunskool Open Chess Tournament (D2) 2023/03/04 2023/03/04 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1049.1 1048.0 Analysis
9 Laerskool Constantiapark Open Chess Tournament 2023 (U12) 2023/02/18 2023/02/18 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1032.8 1028.0 Analysis
8 Lardies Tournament 2022 (U12) 2022/10/29 2022/10/29 Tshwane (GTP) Standard 60 0.83 5 5 3.0 969.0 945.6 Analysis
7 2022 Gauteng North Chess Open (D) 2022/10/15 2022/10/16 Tshwane (GTP) Standard 90 0.94 5 4 1.0 969.0 945.6 Analysis
6 2022 Etienne Lewis (U12 Open) 2022/09/02 2022/09/04 Tshwane (GTP) Standard 90 0.94 7 6 0.0 1052.1 1028.4 Analysis
5 2022 Alekhine Open (D) 2022/08/13 2022/08/14 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1050.6 1025.2 Analysis
4 2022 Milos Ristic Open Chess Tournament (D) 2022/05/28 2022/05/28 Tshwane (GTP) Standard 60 0.83 5 4 0.0 1149.2 1138.8 Analysis
3 2022 Silver Lakes Chess Club Open Chess Tournament (D) 2022/05/14 2022/05/14 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1149.2 1138.8 Analysis
2 2022 Mid Gauteng Open (D) 2022/05/07 2022/05/07 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1149.2 1138.8 Analysis
1 2022 Chris Greyling Open (D) 2022/03/12 2022/03/12 Tshwane (GTP) Standard 60 0.83 5 4 0.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 25 11 0 14 11.0 44.0 -51.0 1249.3 1198.3
White 11 5 0 6 5.0 45.5 -38.6 1237.9 1199.3
Black 14 6 0 8 6.0 42.9 -60.7 1258.2 1197.5
Standard All 25 11 0 14 11.0 44.0 -51.0 1249.3 1198.3
White 11 5 0 6 5.0 45.5 -38.6 1237.9 1199.3
Black 14 6 0 8 6.0 42.9 -60.7 1258.2 1197.5
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 94 35 2 57 36.0 38.3 -99.5 1213.8 1114.3
White 48 16 1 31 16.5 34.4 -132.8 1204.5 1071.7
Black 46 19 1 26 19.5 42.4 -64.7 1223.5 1158.8
Standard All 94 35 2 57 36.0 38.3 -99.5 1213.8 1114.3
White 48 16 1 31 16.5 34.4 -132.8 1204.5 1071.7
Black 46 19 1 26 19.5 42.4 -64.7 1223.5 1158.8
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 1120135739 Pretorius, P (Pieter) 3 1.0 1 0 2 33.3 1056.8 -141.7 915.1 View list
2 2110105111 Webb, A (Abbygail) 2 1.5 1 1 0 75.0 1084.5 212.5 1297.0 View list
3 1130119626 Ndebele, AT (Akhumzi Thandolwenkosi) 2 1.0 1 0 1 50.0 1116.2 0.0 1116.2 View list
4 1090115218 Mahlangu, NP (Nkosinathi Phillip) 2 0.5 0 1 1 25.0 1149.2 -212.5 936.7 View list
5 1120137394 Du Bruyn, D (Dylan) 2 0.0 0 0 2 0.0 1090.8 -425.0 665.8 View list
6 1120133904 Fokker, CD (Christiaan Dirk) 2 0.0 0 0 2 0.0 1151.3 -425.0 726.3 View list
7 2120130097 Padayachy, V (Vidya) 2 0.0 0 0 2 0.0 1198.4 -425.0 773.4 View list
8 2130137401 Pistorius, A (Anabelle) 2 0.0 0 0 2 0.0 1149.0 -425.0 724.0 View list
9 1120159658 Bogale, D (Daniel) 1 1.0 1 0 0 100.0 1248.1 425.0 1673.1 View list
10 2120105112 Bogaard, A (Anneke) 1 1.0 1 0 0 100.0 1181.8 425.0 1606.8 View list
11 1130141649 Bight, C (Chase) 1 1.0 1 0 0 100.0 1120.7 425.0 1545.7 View list
12 1140158375 Bailey, K (Keanu) 1 1.0 1 0 0 100.0 1248.1 425.0 1673.1 View list
13 1130134041 Botha, L (Logan) 1 1.0 1 0 0 100.0 1050.6 425.0 1475.6 View list
14 1120147297 Chikwava, R (Ronald) 1 1.0 1 0 0 100.0 1219.7 425.0 1644.7 View list
15 1110107188 De Beer, L (Liam) 1 1.0 1 0 0 100.0 1212.1 425.0 1637.1 View list
16 2140153032 Fleming, B (Bellamae) 1 1.0 1 0 0 100.0 1219.7 425.0 1644.7 View list
17 2120149189 Goosen, T (Teone) 1 1.0 1 0 0 100.0 1032.8 425.0 1457.8 View list
18 1120153447 Human, Z (Zachariah) 1 1.0 1 0 0 100.0 1181.8 425.0 1606.8 View list
19 1100117077 Jacobs, R (Rico) 1 1.0 1 0 0 100.0 1149.2 425.0 1574.2 View list
20 2120134213 Jansen, A (Alexia) 1 1.0 1 0 0 100.0 1148.7 425.0 1573.7 View list