Player Page

Jonker, R (Reagan)
Dob: 2011/12/08 (U14)
Gender: Male
Chess SA id: 1110115390
FIDE id:
Region: West Rand (GWR)
Citizen: RSA
Title(s):
Last active: 2024/06/08 (9 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 rating1309.0
Current Weighted rating1315.2
Current Weighted performance1287.9
Current official/published rating (highest between Raw, WR and WP)1315.2
Current highest rating achieved1356.3
Current floor (min rating allowed)856.3
Current K-factor36
Games played this month4
Score (S)2.0
Expected score (We)2.16
Difference (S-We)-0.13
Current Raw change (no limits, including tournament time weight)-4.8
Current min/max change allowed (with limits)±142.0
Current Raw change used (final)-4.8
Projected new Raw rating1304.2
Projected new Weighed rating1210.0
Projected new Weighted performance1305.4
Projected new final Raw rating (if new WP > new Raw)1305.4
Projected new highest rating1356.3
Projected new floor856.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1305.4
Projected effective change (new Official - current Official)-9.8
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 rating1316.1
Current Weighted rating1315.6
Current Weighted performance1287.9
Current official/published rating (highest between Raw, WR and WP)1316.1
Current highest rating achieved1360.6
Current floor (min rating allowed)860.6
Current K-factor36
Games played this month4
Score (S)2.0
Expected score (We)2.23
Difference (S-We)-0.23
Current Raw change (no limits, including tournament time weight)-8.3
Current min/max change allowed (with limits)±140.5
Current Raw change used (final)-8.3
Projected new Raw rating1307.8
Projected new Weighed rating1210.2
Projected new Weighted performance1305.4
Projected new final Raw rating (if new WP > new Raw)1307.8
Projected new highest rating1360.6
Projected new floor860.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1307.8
Projected effective change (new Official - current Official)-8.3
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 rating1034.2
Current Weighted rating1034.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1034.2
Current highest rating achieved1034.2
Current floor (min rating allowed)534.2
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)±210.0
Current Raw change used (final)0.0
Projected new Raw rating1034.2
Projected new Weighed rating951.5
Projected new Weighted performance90.8
Projected new final Raw rating (if new WP > new Raw)1034.2
Projected new highest rating1034.2
Projected new floor534.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1034.2
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: FIDE in the West 2024 (Rooks)
Start: 2024/06/08  End: 2024/06/08  Host: GWR  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 4
Games: 4  Score: 2.0
Main rating: 1309.0  Rating gain/loss: -4.8
Type rating: 1316.1  Rating gain/loss: -8.3
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 FIDE in the West 2024 (Rooks) 2024/06/08 2024/06/08 West Rand (GWR) Standard 60 0.83 5 4 2.0 1309.0 1316.1 Analysis
5 2024 D2 Schools Individuals (U13 Boys) 2024/05/04 2024/05/04 West Rand (GWR) Standard 60 0.83 5 5 4.0 1283.3 1282.6 Analysis
4 2024 West Rand RHS Open (Rooks) 2024/04/13 2024/04/13 West Rand (GWR) Standard 60 0.83 5 5 3.0 1277.9 1276.8 Analysis
3 2024 West Rand Juniors (U14) 2024/03/09 2024/03/09 West Rand (GWR) Standard 60 0.83 5 5 3.0 1273.7 1272.1 Analysis
2 2024 West Rand Open (U14) 2024/02/03 2024/02/03 West Rand (GWR) Standard 60 0.83 5 5 3.0 1267.4 1266.3 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U14B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 0.0 1344.6 1346.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
21 FIDE in the West 2024 (Rooks) 2024/06/08 2024/06/08 West Rand (GWR) Standard 60 0.83 5 4 2.0 1309.0 1316.1 Analysis
20 2024 D2 Schools Individuals (U13 Boys) 2024/05/04 2024/05/04 West Rand (GWR) Standard 60 0.83 5 5 4.0 1283.3 1282.6 Analysis
19 2024 West Rand RHS Open (Rooks) 2024/04/13 2024/04/13 West Rand (GWR) Standard 60 0.83 5 5 3.0 1277.9 1276.8 Analysis
18 2024 West Rand Juniors (U14) 2024/03/09 2024/03/09 West Rand (GWR) Standard 60 0.83 5 5 3.0 1273.7 1272.1 Analysis
17 2024 West Rand Open (U14) 2024/02/03 2024/02/03 West Rand (GWR) Standard 60 0.83 5 5 3.0 1267.4 1266.3 Analysis
16 2024 Gauteng Inter-Region Chess Championship (U14B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 0.0 1344.6 1346.6 Analysis
15 2023 West Rand Trials (U14) 2023/09/09 2023/09/09 West Rand (GWR) Standard 60 0.83 5 5 3.0 1341.9 1343.0 Analysis
14 West Rand at Bastion 2023 (Rooks) 2023/08/05 2023/08/05 West Rand (GWR) Standard 60 0.83 5 5 3.0 1316.8 1312.4 Analysis
13 D2 School League Finals 2023 (U13) 2023/07/22 2023/07/22 West Rand (GWR) Standard 60 0.83 5 5 3.0 1309.0 1303.4 Analysis
12 2023 West Rand RHS Open (Rooks) 2023/06/10 2023/06/10 West Rand (GWR) Standard 60 0.83 5 5 2.0 1325.1 1322.8 Analysis
11 D2 Schools Individuals 2023 (U13 Boys) 2023/05/13 2023/05/13 West Rand (GWR) Standard 60 0.83 5 5 3.0 1334.1 1334.0 Analysis
10 West Rand Juniors 2023 (U14) 2023/03/18 2023/03/18 West Rand (GWR) Standard 60 0.83 5 5 3.5 1314.7 1308.4 Analysis
9 WR Tournament and Coaching 2023 (U14) 2023/02/25 2023/02/25 West Rand (GWR) Standard 60 0.83 5 5 3.0 1322.8 1317.0 Analysis
8 2023 West Rand Open (U14) 2023/02/04 2023/02/04 West Rand (GWR) Standard 60 0.83 5 5 3.0 1322.8 1317.0 Analysis
7 West Rand vs Bojanala 2022 (U12B) 2022/11/05 2022/11/05 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1356.3 1360.6 Analysis
6 West Rand Trials 2022 (U12) 2022/09/03 2022/09/03 West Rand (GWR) Standard 60 0.83 5 5 3.0 1312.5 1355.2 Analysis
5 2022 Gauteng Schools Team Championships (U11 Open) 2022/08/27 2022/08/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1135.5 1186.0 Analysis
4 D2 School League Finals 2022 (U11) 2022/08/20 2022/08/20 West Rand (GWR) Standard 60 0.83 6 6 6.0 1135.5 1186.0 Analysis
3 2nd West Rand Open 2022 (Juniors) 2022/08/06 2022/08/06 West Rand (GWR) Standard 60 0.83 5 5 3.0 1135.5 1186.0 Analysis
2 D2 Schools Individuals 2022 (U11 Boys) 2022/05/07 2022/05/07 West Rand (GWR) Standard 60 0.83 5 5 2.0 1134.8 1200.0 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 29 14 2 13 15.0 51.7 14.7 1247.9 1262.5
White 15 9 1 5 9.5 63.3 113.3 1257.6 1370.9
Black 14 5 1 8 5.5 39.3 -91.1 1237.4 1146.4
Standard All 29 14 2 13 15.0 51.7 14.7 1247.9 1262.5
White 15 9 1 5 9.5 63.3 113.3 1257.6 1370.9
Black 14 5 1 8 5.5 39.3 -91.1 1237.4 1146.4
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 105 56 3 46 57.5 54.8 40.5 1244.0 1284.5
White 50 34 1 15 34.5 69.0 161.5 1236.8 1398.3
Black 55 22 2 31 23.0 41.8 -69.5 1250.5 1180.9
Standard All 100 56 3 41 57.5 57.5 63.7 1247.6 1311.3
White 48 34 1 13 34.5 71.9 185.9 1248.0 1433.9
Black 52 22 2 28 23.0 44.2 -49.0 1247.1 1198.1
Rapid All 5 0 0 5 0.0 0.0 -425.0 1172.5 747.5
White 2 0 0 2 0.0 0.0 -425.0 969.3 544.3
Black 3 0 0 3 0.0 0.0 -425.0 1308.0 883.0
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 1120136689 Kalimashe, T (Tshireletso) 4 1.0 1 0 3 25.0 1228.0 -212.5 1015.5 View list
2 1130135848 Magagula, N (Nkosingiphile) 3 3.0 3 0 0 100.0 1195.2 425.0 1620.2 View list
3 2110140248 Roos, S (Shani) 3 1.0 1 0 2 33.3 1305.2 -141.7 1163.5 View list
4 1100144525 Du Plessis, D (Dotynian) 2 2.0 2 0 0 100.0 1332.3 425.0 1757.3 View list
5 2110144955 Coetzee, K (Kairi) 2 2.0 2 0 0 100.0 1135.5 425.0 1560.5 View list
6 1110157463 Labuschagne, Q (Quinten) 2 2.0 2 0 0 100.0 1307.8 425.0 1732.8 View list
7 2120144959 Sambo, L (Lwandle) 2 2.0 2 0 0 100.0 1135.5 425.0 1560.5 View list
8 2110149257 Fourie, C (Caitlin) 2 1.0 1 0 1 50.0 1298.3 0.0 1298.3 View list
9 1110102534 Esterhuizen, Z (Zane) 2 0.0 0 0 2 0.0 1222.3 -425.0 797.3 View list
10 2100145853 Ngwangwa, N (Nonhlanhla) 2 0.0 0 0 2 0.0 1328.3 -425.0 903.3 View list
11 1100149261 Oosthuizen, R (Ruwan) 2 0.0 0 0 2 0.0 1328.4 -425.0 903.4 View list
12 206081700 Bezu, R (Reabetswe) 1 1.0 1 0 0 100.0 1316.8 425.0 1741.8 View list
13 1110301056 Bawa, J (Joshua) 1 1.0 1 0 0 100.0 1273.7 425.0 1698.7 View list
14 2100101007 Bassie, U (Unathi) 1 1.0 1 0 0 100.0 1309.0 425.0 1734.0 View list
15 2110140239 Barnard, A (Anjanka) 1 1.0 1 0 0 100.0 1356.3 425.0 1781.3 View list
16 1100149252 Adcock, A (Aiden) 1 1.0 1 0 0 100.0 1322.8 425.0 1747.8 View list
17 2120149240 Fouche, H (Halley) 1 1.0 1 0 0 100.0 1267.4 425.0 1692.4 View list
18 109089206 De Jager, JJ (Juan) 1 1.0 1 0 0 100.0 1135.5 425.0 1560.5 View list
19 1110152501 Davids, M (Moegamat) 1 1.0 1 0 0 100.0 1314.7 425.0 1739.7 View list
20 1100152499 Butale, K (Kadzasha Thabang) 1 1.0 1 0 0 100.0 1314.7 425.0 1739.7 View list