Player Page

De Jager, J (Jonathan)
Dob: 2009/07/23 (U16)
Gender: Male
Chess SA id: 1090157479
FIDE id:
Region: Amajuba (KAN)
Citizen: RSA
Title(s):
Last active: 2024/05/18 (2 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 rating1254.0
Curent Weighted rating1197.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1254.0
Current floor (min rating allowed)754.0
Current highest rating achieved1254.0
Current K-factor36
Games played this month5
Score (S)4.0
Expected score (We)2.17
Difference (S-We)1.83
Current Raw change (no limits, including tournament time weight)55.3
Current min/max change allowed (with limits)±153.5
Current Raw change used (final)55.3
Projected new Raw rating1309.3
Projected new Weighed rating1206.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1309.3
Projected effective change (new Official - current Official)+55.3
Projected new highest rating1309.3
Projected new floor809.3
Projected new K-facor36
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)700.0
Current highest rating achieved1200.0
Current K-factor36
Games played this month5
Score (S)4.0
Expected score (We)1.80
Difference (S-We)2.20
Current Raw change (no limits, including tournament time weight)79.2
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)79.2
Projected new Raw rating1279.2
Projected new Weighed rating1206.3
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1279.2
Projected effective change (new Official - current Official)+79.2
Projected new highest rating1279.2
Projected new floor779.2
Projected new K-facor36
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 rating1294.7
Curent Weighted rating1194.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1294.7
Current floor (min rating allowed)794.7
Current highest rating achieved1294.7
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)±144.9
Current Raw change used (final)0.0
Projected new Raw rating1294.7
Projected new Weighed rating1202.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1294.7
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1294.7
Projected new floor794.7
Projected new K-facor36
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)794.7
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 floor794.7
Projected new K-facor36
Tournaments
Tournament: Curro Chess Tournament 2024 (U16)
Start: 2024/05/18  End: 2024/05/18  Host: MEN  Type: Standard   Time: 63  Time weight: 0.84  Rounds: 5
Games: 5  Score: 4.0
Main rating: 1254.0  Rating gain/loss: 55.3
Type rating: 1200.0  Rating gain/loss: 79.2
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Curro Chess Tournament 2024 (U16) 2024/05/18 2024/05/18 Ehlanzeni (MEN) Standard 63 0.84 5 5 4.0 1254.0 1200.0 Analysis
1 NWU Super 16 2024 2024/04/19 2024/04/19 Gert Sibande (MGS) Rapid 30 0.60 6 6 6.0 1189.8 1180.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Curro Chess Tournament 2024 (U16) 2024/05/18 2024/05/18 Ehlanzeni (MEN) Standard 63 0.84 5 5 4.0 1254.0 1200.0 Analysis
2 NWU Super 16 2024 2024/04/19 2024/04/19 Gert Sibande (MGS) Rapid 30 0.60 6 6 6.0 1189.8 1180.6 Analysis
1 2023 KZN Winter Schools Selections (U15 Boys) 2023/06/24 2023/06/24 Ethekwini (KED) Rapid 30 0.60 7 7 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 11 10 0 1 10.0 90.9 347.7 1252.3 1600.1
White 7 7 0 0 7.0 100.0 425.0 1215.0 1640.0
Black 4 3 0 1 3.0 75.0 212.5 1317.7 1530.2
Standard All 5 4 0 1 4.0 80.0 255.0 1316.2 1571.2
White 3 3 0 0 3.0 100.0 425.0 1236.7 1661.7
Black 2 1 0 1 1.0 50.0 0.0 1435.3 1435.3
Rapid All 6 6 0 0 6.0 100.0 425.0 1199.1 1624.1
White 4 4 0 0 4.0 100.0 425.0 1198.7 1623.7
Black 2 2 0 0 2.0 100.0 425.0 1200.0 1625.0
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 18 13 0 5 13.0 72.2 188.9 1235.4 1424.3
White 11 8 0 3 8.0 72.7 193.2 1209.5 1402.7
Black 7 5 0 2 5.0 71.4 182.1 1276.0 1458.1
Standard All 5 4 0 1 4.0 80.0 255.0 1316.2 1571.2
White 3 3 0 0 3.0 100.0 425.0 1236.7 1661.7
Black 2 1 0 1 1.0 50.0 0.0 1435.3 1435.3
Rapid All 13 9 0 4 9.0 69.2 163.5 1204.3 1367.8
White 8 5 0 3 5.0 62.5 106.3 1199.3 1305.6
Black 5 4 0 1 4.0 80.0 255.0 1212.2 1467.2
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 107072911 Mona, M (Celukubonga) 1 1.0 1 0 0 100.0 1189.8 425.0 1614.8 View list
2 1100304823 Mkhize, M (Mpilenhle) 1 1.0 1 0 0 100.0 1254.0 425.0 1679.0 View list
3 1090157496 Mazibuko, A (Ayabonga) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1090156696 Makamo, M (Mihla) 1 1.0 1 0 0 100.0 1254.0 425.0 1679.0 View list
5 1100152016 Mabuza, S (Sonke) 1 1.0 1 0 0 100.0 1254.0 425.0 1679.0 View list
6 1080154372 Kwakwa, M (Moshe) 1 1.0 1 0 0 100.0 1189.8 425.0 1614.8 View list
7 1070145423 Kgabo, TN (Thobile) 1 1.0 1 0 0 100.0 1189.8 425.0 1614.8 View list
8 1060302245 Naude, D (Dariel) 1 1.0 1 0 0 100.0 1189.8 425.0 1614.8 View list
9 1090302247 Nelson, D (Duncan) 1 1.0 1 0 0 100.0 1189.8 425.0 1614.8 View list
10 1100157521 Zondo, Y (Yamkela) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
11 1090152037 Sierra, C (Cj) 1 1.0 1 0 0 100.0 1254.0 425.0 1679.0 View list
12 1100302255 Sehole, K (Keaotshepa) 1 1.0 1 0 0 100.0 1189.8 425.0 1614.8 View list
13 1080157514 Nxumalo, O (Odwa) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1080157513 Ntuli, S (Samkelo) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 1080157511 Nhlabathi, S (Snakhokonke) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 110087575 Ogunjiofor, CJ (Chinedu Jeremy) 1 0.0 0 0 1 0.0 1254.0 -425.0 829.0 View list
17 1090100647 Ndlovu, T (Tumelo) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 1080157505 Mthiyane, V (Vuyolwethu) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list