Player Page

De Jager, J (Jandre)
Dob: 2009/12/11 (U16)
Gender: Male
Chess SA id: 1090134428
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (7 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 rating1329.4
Current Weighted rating1236.6
Current Weighted performance1320.8
Current official/published rating (highest between Raw, WR and WP)1329.4
Current highest rating achieved1329.4
Current floor (min rating allowed)829.4
Current K-factor36
Games played this month6
Score (S)2.0
Expected score (We)2.92
Difference (S-We)-0.86
Current Raw change (no limits, including tournament time weight)-31.1
Current min/max change allowed (with limits)±137.9
Current Raw change used (final)-31.1
Projected new Raw rating1298.3
Projected new Weighed rating1138.9
Projected new Weighted performance1287.3
Projected new final Raw rating (if new WP > new Raw)1298.3
Projected new highest rating1329.4
Projected new floor829.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1298.3
Projected effective change (new Official - current Official)-31.1
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 rating1336.9
Current Weighted rating1231.4
Current Weighted performance1320.8
Current official/published rating (highest between Raw, WR and WP)1336.9
Current highest rating achieved1336.9
Current floor (min rating allowed)836.9
Current K-factor36
Games played this month6
Score (S)2.0
Expected score (We)3.04
Difference (S-We)-1.04
Current Raw change (no limits, including tournament time weight)-37.4
Current min/max change allowed (with limits)±136.4
Current Raw change used (final)-37.4
Projected new Raw rating1299.5
Projected new Weighed rating1134.3
Projected new Weighted performance1287.3
Projected new final Raw rating (if new WP > new Raw)1299.5
Projected new highest rating1336.9
Projected new floor836.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1299.5
Projected effective change (new Official - current Official)-37.4
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
Tournament: 2024 Etienne Lewis (U16)
Start: 2024/08/30  End: 2024/09/01  Host: GTP  Type: Standard   Time: 90  Time weight: 0.94  Rounds: 6
Games: 6  Score: 2.0
Main rating: 1329.4  Rating gain/loss: -31.1
Type rating: 1336.9  Rating gain/loss: -37.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
7 2024 Etienne Lewis (U16) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 6 2.0 1329.4 1336.9 Analysis
6 2024 Alekhine Open Chess Tournament (B) 2024/08/09 2024/08/10 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1285.1 1281.5 Analysis
5 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U17A) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 4 4.0 1285.1 1281.5 Analysis
4 2024 Silver Lakes Open Chess Tournament (D2) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1288.1 1283.3 Analysis
3 2024 Tshwane Chess AHS Open Chess Tournament (D2) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1177.7 1171.0 Analysis
2 2024 Constantiapark Open (D2) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1177.7 1171.0 Analysis
1 2024 Blou Bul Open Chess Tournament (D) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1177.7 1171.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
28 2024 Etienne Lewis (U16) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 6 2.0 1329.4 1336.9 Analysis
27 2024 Alekhine Open Chess Tournament (B) 2024/08/09 2024/08/10 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1285.1 1281.5 Analysis
26 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U17A) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 4 4.0 1285.1 1281.5 Analysis
25 2024 Silver Lakes Open Chess Tournament (D2) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1288.1 1283.3 Analysis
24 2024 Tshwane Chess AHS Open Chess Tournament (D2) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1177.7 1171.0 Analysis
23 2024 Constantiapark Open (D2) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1177.7 1171.0 Analysis
22 2024 Blou Bul Open Chess Tournament (D) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1177.7 1171.0 Analysis
21 2023 Alekhine Open Tournament (D) 2023/09/09 2023/09/09 Tshwane (GTP) Standard 90 0.94 5 5 2.5 1153.0 1139.7 Analysis
20 2023 Etienne Lewis Closed Tournament (U16) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 2.0 1190.3 1182.5 Analysis
19 2023 Woman's Day Open Chess Tournament (Rook) 2023/08/09 2023/08/09 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1190.3 1182.5 Analysis
18 2023 Menlo Open Tournament (C) 2023/07/22 2023/07/22 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1199.6 1194.4 Analysis
17 2023 Mid Gauteng Open Tournament (C) 2023/05/06 2023/05/06 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1170.6 1158.8 Analysis
16 Silver Lakes Open Chess Tournament (C) 2023/04/15 2023/04/15 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1164.6 1151.2 Analysis
15 Chris Greyling Open Tournament 2023 (C) 2023/03/21 2023/03/21 Tshwane (GTP) Standard 60 0.83 5 4 0.0 1190.3 1173.9 Analysis
14 Tuks Junior Developmental Chess Tournament 2023 (Blue) 2023/03/18 2023/03/18 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1190.3 1173.9 Analysis
13 2023 Afrikaans Hoër Seunskool Open Chess Tournament (C) 2023/03/04 2023/03/04 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1190.3 1173.9 Analysis
12 Laerskool Constantiapark Open Chess Tournament 2023 (Open) 2023/02/18 2023/02/18 Tshwane (GTP) Standard 60 0.83 5 4 0.0 1228.5 1219.6 Analysis
11 2022 South African Junior Team Chess Championships (U14 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 6 2.0 1239.7 1227.5 Analysis
10 2022 Etienne Lewis (U14 Open) 2022/09/02 2022/09/04 Tshwane (GTP) Standard 90 0.94 7 7 3.0 1238.7 1226.5 Analysis
9 2022 Alekhine Open (D) 2022/08/13 2022/08/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1132.1 1126.8 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 35 18 4 13 20.0 57.1 60.7 1272.1 1332.8
White 17 11 2 4 12.0 70.6 175.0 1274.4 1449.4
Black 18 7 2 9 8.0 44.4 -47.2 1269.8 1222.6
Standard All 35 18 4 13 20.0 57.1 60.7 1272.1 1332.8
White 17 11 2 4 12.0 70.6 175.0 1274.4 1449.4
Black 18 7 2 9 8.0 44.4 -47.2 1269.8 1222.6
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 141 55 15 71 62.5 44.3 -48.2 1252.3 1204.0
White 67 29 7 31 32.5 48.5 -12.7 1263.1 1250.5
Black 74 26 8 40 30.0 40.5 -80.4 1242.4 1162.0
Standard All 141 55 15 71 62.5 44.3 -48.2 1252.3 1204.0
White 67 29 7 31 32.5 48.5 -12.7 1263.1 1250.5
Black 74 26 8 40 30.0 40.5 -80.4 1242.4 1162.0
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1130131224 Minny, O (Oban) 3 1.0 1 0 2 33.3 1170.9 -141.7 1029.2 View list
2 1090109066 Jooste, J (Josh) 3 0.0 0 0 3 0.0 1265.5 -425.0 840.5 View list
3 1090107165 Oosthuizen, L (Ludrick) 3 0.0 0 0 3 0.0 1210.8 -425.0 785.8 View list
4 1090116741 Kekana, N (Neo) 2 2.0 2 0 0 100.0 1161.2 425.0 1586.2 View list
5 2110136657 Van Jaarsveldt, L (Lumandie) 2 2.0 2 0 0 100.0 1146.4 425.0 1571.4 View list
6 1120133903 Buchner, E (Emil) 2 1.0 1 0 1 50.0 1125.7 0.0 1125.7 View list
7 2120108352 De Swardt, M (Mieke) 2 1.0 1 0 1 50.0 1160.3 0.0 1160.3 View list
8 1090098581 Bath, X (Xavier) 2 1.0 1 0 1 50.0 1284.1 0.0 1284.1 View list
9 1090143164 Mothokwa, K (Keabetswe) 2 1.0 1 0 1 50.0 1259.8 0.0 1259.8 View list
10 2140135776 Roberts, F (Frans-Leigh) 2 1.0 1 0 1 50.0 1159.2 0.0 1159.2 View list
11 1090140004 Van Staden, R (Rikus) 2 1.0 1 0 1 50.0 1178.8 0.0 1178.8 View list
12 1100107659 Niehaus, SJ (Samuel) 2 1.0 0 2 0 50.0 1167.0 0.0 1167.0 View list
13 1070135509 Blom, J (Jess) 2 0.5 0 1 1 25.0 1190.3 -212.5 977.8 View list
14 1090115218 Mahlangu, NP (Nkosinathi Phillip) 2 0.0 0 0 2 0.0 1204.8 -425.0 779.8 View list
15 1100309079 Bulani, Y (Yeva) 1 1.0 1 0 0 100.0 1285.1 425.0 1710.1 View list
16 1080134685 Aurakeasamy, K (Kvanh) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
17 1100136633 Arde, A (Adrian) 1 1.0 1 0 0 100.0 1171.0 425.0 1596.0 View list
18 1110136634 Botha, L (Louis) 1 1.0 1 0 0 100.0 1132.1 425.0 1557.1 View list
19 1100102627 Botha, J (Juan) 1 1.0 1 0 0 100.0 1132.1 425.0 1557.1 View list
20 1110138291 De Klerk, W (Wihan) 1 1.0 1 0 0 100.0 1162.7 425.0 1587.7 View list