Player Page

Bijker, W (Waldo)
Dob: 2010/07/20 (U16)
Gender: Male
Chess SA id: 1100113805
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/05/04 (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
Curent Raw rating1503.8
Curent Weighted rating1425.8
Curent Weighted performance1475.0
Current official/published rating (highest between Raw, WR and WP)1503.8
Current floor (min rating allowed)1021.2
Current highest rating achieved1521.2
Current K-factor32
Games played this month5
Score (S)1.5
Expected score (We)2.90
Difference (S-We)-1.40
Current Raw change (no limits, including tournament time weight)-37.2
Current min/max change allowed (with limits)±107.6
Current Raw change used (final)-37.2
Projected new Raw rating1466.6
Projected new Weighed rating1433.4
Projected new Weighted performance1475.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1475.0
Projected effective change (new Official - current Official)-28.8
Projected new highest rating1521.2
Projected new floor1021.2
Projected new K-facor32
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
Curent Raw rating1507.3
Curent Weighted rating1415.7
Curent Weighted performance1480.7
Current official/published rating (highest between Raw, WR and WP)1507.3
Current floor (min rating allowed)1016.1
Current highest rating achieved1516.1
Current K-factor32
Games played this month5
Score (S)1.5
Expected score (We)3.08
Difference (S-We)-1.58
Current Raw change (no limits, including tournament time weight)-50.6
Current min/max change allowed (with limits)±107.0
Current Raw change used (final)-50.6
Projected new Raw rating1456.7
Projected new Weighed rating1423.5
Projected new Weighted performance1480.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1480.7
Projected effective change (new Official - current Official)-26.6
Projected new highest rating1516.1
Projected new floor1016.1
Projected new K-facor32
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
Curent Raw rating1192.4
Curent Weighted rating1192.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1192.4
Current floor (min rating allowed)692.4
Current highest rating achieved1192.4
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)±167.6
Current Raw change used (final)0.0
Projected new Raw rating1192.4
Projected new Weighed rating1192.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1192.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1192.4
Projected new floor692.4
Projected new K-facor40
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
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)692.4
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor692.4
Projected new K-facor36
Tournaments
Tournament: JMC Helpmekaar Kollege Tournament 2024 (B)
Start: 2024/05/04  End: 2024/05/04  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 1.5
Main rating: 1503.8  Rating gain/loss: -37.2
Type rating: 1507.3  Rating gain/loss: -50.6
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
7 JMC Helpmekaar Kollege Tournament 2024 (B) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1503.8 1507.3 Analysis
6 1st Knights Open Tournament 2024 (B) 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1489.5 1486.4 Analysis
5 JMC Unika School Tournament 2024 (C) 2024/03/02 2024/03/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1489.5 1486.4 Analysis
4 Grey College Team Championship 2024 (B) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 4.0 1494.1 1491.8 Analysis
3 Gear Up Mzansi Rapid 2024 (Intermediate) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 5 3.0 1494.1 1190.8 Analysis
2 JMC Kick Off Tournament 2024 (C) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1450.6 1435.5 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U14A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1450.6 1435.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
33 JMC Helpmekaar Kollege Tournament 2024 (B) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1503.8 1507.3 Analysis
32 1st Knights Open Tournament 2024 (B) 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1489.5 1486.4 Analysis
31 JMC Unika School Tournament 2024 (C) 2024/03/02 2024/03/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1489.5 1486.4 Analysis
30 Grey College Team Championship 2024 (B) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 5 4.0 1494.1 1491.8 Analysis
29 Gear Up Mzansi Rapid 2024 (Intermediate) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 5 3.0 1494.1 1190.8 Analysis
28 JMC Kick Off Tournament 2024 (C) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1450.6 1435.5 Analysis
27 2024 Gauteng Inter-Region Chess Championship (U14A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1450.6 1435.5 Analysis
26 JMC Closed Aug 2023 (U14) 2023/08/04 2023/08/06 Johannesburg Metro (GJM) Standard 90 0.94 6 6 3.0 1461.7 1443.5 Analysis
25 JMC - The Higher Ground Restaurant 2nd Blitz Event 2023 2023/07/30 2023/07/30 Johannesburg Metro (GJM) Blitz 8 0.25 7 0 0.0 1461.7 1200.0 Analysis
24 JNW Open - Trinityhouse Little Falls 2023 (B) 2023/06/24 2023/06/24 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1521.2 1516.1 Analysis
23 Knight Riders Youth Day 2023 (U14+U16) 2023/06/16 2023/06/16 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1521.2 1516.1 Analysis
22 Gauteng Open Arnold Classic 2023 (C) 2023/05/20 2023/05/20 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1281.5 1273.0 Analysis
21 JNW Open - Trinityhouse Little Falls 2023 (C) 2023/05/13 2023/05/13 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1281.5 1273.0 Analysis
20 Mzansi Fide Open 2023 (Intermediate) 2023/04/27 2023/05/01 Johannesburg Metro (GJM) Standard 120 1.00 6 6 4.5 1281.5 1273.0 Analysis
19 JMC 1 St Peters 2023 (C) 2023/03/18 2023/03/18 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1253.1 1229.1 Analysis
18 JNW Open - Crawford 2023 (C) 2023/03/04 2023/03/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1253.1 1229.1 Analysis
17 Mzansi Rapid 2023 (Intermediate) 2023/02/04 2023/02/04 Johannesburg Metro (GJM) Rapid 25 0.54 6 6 3.5 1242.8 1200.0 Analysis
16 2022 South African Junior Team Chess Championships (U14 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 2 1.0 1237.0 1222.3 Analysis
15 JMC 3rd Trials 2022 (C) 2022/09/11 2022/09/11 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1207.1 1175.9 Analysis
14 Mzansi Spring Open 2022 (Young Masters) 2022/09/03 2022/09/03 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1207.1 1175.9 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 35 20 4 11 22.0 62.9 109.3 1386.8 1496.1
White 19 11 3 5 12.5 65.8 134.2 1394.2 1528.4
Black 16 9 1 6 9.5 59.4 79.7 1377.9 1457.6
Standard All 30 17 4 9 19.0 63.3 113.3 1381.5 1494.9
White 16 9 3 4 10.5 65.6 132.8 1394.9 1527.7
Black 14 8 1 5 8.5 60.7 91.1 1366.3 1457.4
Rapid All 5 3 0 2 3.0 60.0 85.0 1418.3 1503.3
White 3 2 0 1 2.0 66.7 141.7 1390.9 1532.5
Black 2 1 0 1 1.0 50.0 0.0 1459.3 1459.3
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 158 83 13 62 89.5 56.6 56.5 1283.1 1339.6
White 79 43 7 29 46.5 58.9 75.3 1294.3 1369.6
Black 79 40 6 33 43.0 54.4 37.7 1271.9 1309.6
Standard All 147 77 12 58 83.0 56.5 54.9 1280.0 1334.9
White 73 39 7 27 42.5 58.2 69.9 1290.0 1359.9
Black 74 38 5 31 40.5 54.7 40.2 1270.1 1310.3
Rapid All 11 6 1 4 6.5 59.1 77.3 1324.4 1401.7
White 6 4 0 2 4.0 66.7 141.7 1345.9 1487.6
Black 5 2 1 2 2.5 50.0 0.0 1298.6 1298.6
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 110091691 Barker, R (Ryan) 4 3.0 3 0 1 75.0 1328.0 212.5 1540.5 View list
2 210092704 Deysel, H (Hannah) 3 3.0 3 0 0 100.0 1216.3 425.0 1641.3 View list
3 110091688 Kwak, J (Jaeson) 3 1.5 1 1 1 50.0 1220.2 0.0 1220.2 View list
4 1100111138 Akker, D (Dylan) 3 1.0 1 0 2 33.3 1328.6 -141.7 1187.0 View list
5 1090105698 Naicker, GC (Gabriel Christian) 3 0.5 0 1 2 16.7 1401.3 -283.3 1118.0 View list
6 211092268 Mkhasibe, NZ (Nobuhle) 2 2.0 2 0 0 100.0 1491.5 425.0 1916.5 View list
7 1080146351 Nundkoomar, S (Sohaan) 2 2.0 2 0 0 100.0 1230.1 425.0 1655.1 View list
8 1140144042 Motau, N (Neelo) 2 1.5 1 1 0 75.0 1373.6 212.5 1586.1 View list
9 1120111803 Retief, A (Antonie) 2 1.5 1 1 0 75.0 1470.0 212.5 1682.5 View list
10 212091698 Chinoruma, K (Kupa) 2 1.0 1 0 1 50.0 1206.5 0.0 1206.5 View list
11 1150130726 Badenhorst, D (Daniel) 2 1.0 1 0 1 50.0 1244.3 0.0 1244.3 View list
12 108073207 Horn, E (Evan) 2 1.0 1 0 1 50.0 1385.5 0.0 1385.5 View list
13 2110143800 Naidoo, D (Dhiya) 2 1.0 1 0 1 50.0 1371.6 0.0 1371.6 View list
14 1090105696 Barradas, K (Keanu) 2 0.5 0 1 1 25.0 1366.0 -212.5 1153.5 View list
15 1140148603 Brits, E (Etienne) 2 0.5 0 1 1 25.0 1491.8 -212.5 1279.3 View list
16 1110133758 Bloem, J (James) 2 0.0 0 0 2 0.0 1285.1 -425.0 860.1 View list
17 103076119 Roux, P (Paul) 2 0.0 0 0 2 0.0 1361.7 -425.0 936.7 View list
18 209076633 Scullard, S (Sienne) 2 0.0 0 0 2 0.0 1328.3 -425.0 903.3 View list
19 203094057 Toerien, S (Sune) 2 0.0 0 0 2 0.0 1183.8 -425.0 758.8 View list
20 1100136746 Asingiza, LH (Lucas Henry) 1 1.0 1 0 0 100.0 1172.0 425.0 1597.0 View list