Player Page

Arlow, JF (Jonathan)
Dob: 2008/08/21 (U18)
Gender: Male
Chess SA id: 1080113577
FIDE id:
Region: West Rand (GWR)
Citizen: RSA
Title(s):
Last active: 2024/12/08 (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
Current Raw rating1224.0
Current Weighted rating1228.9
Current Weighted performance1176.5
Current official/published rating (highest between Raw, WR and WP)1228.9
Current highest rating achieved1249.3
Current floor (min rating allowed)749.3
Current K-factor36
Games played this month5
Score (S)3.0
Expected score (We)2.46
Difference (S-We)0.51
Current Raw change (no limits, including tournament time weight)18.3
Current min/max change allowed (with limits)±160.2
Current Raw change used (final)18.3
Projected new Raw rating1242.3
Projected new Weighed rating1130.9
Projected new Weighted performance1228.0
Projected new final Raw rating (if new WP > new Raw)1242.3
Projected new highest rating1249.3
Projected new floor749.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1242.3
Projected effective change (new Official - current Official)+13.4
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 rating1227.8
Current Weighted rating1233.8
Current Weighted performance1176.5
Current official/published rating (highest between Raw, WR and WP)1233.8
Current highest rating achieved1258.7
Current floor (min rating allowed)758.7
Current K-factor36
Games played this month5
Score (S)3.0
Expected score (We)2.54
Difference (S-We)0.46
Current Raw change (no limits, including tournament time weight)16.6
Current min/max change allowed (with limits)±159.4
Current Raw change used (final)16.6
Projected new Raw rating1244.4
Projected new Weighed rating1135.4
Projected new Weighted performance1228.0
Projected new final Raw rating (if new WP > new Raw)1244.4
Projected new highest rating1258.7
Projected new floor758.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1244.4
Projected effective change (new Official - current Official)+10.6
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: Gauteng Inter-Region at UJ 2024 (U18 Candidates)
Start: 2024/12/07  End: 2024/12/08  Host: GJM  Type: Standard   Time: 90  Time weight: 0.94  Rounds: 5
Games: 5  Score: 3.0
Main rating: 1224.0  Rating gain/loss: 18.3
Type rating: 1227.8  Rating gain/loss: 16.6
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
10 Gauteng Inter-Region at UJ 2024 (U18 Candidates) 2024/12/07 2024/12/08 Johannesburg Metro (GJM) Standard 90 0.94 5 5 3.0 1224.0 1227.8 Analysis
9 2024 West Rand Closed (U18) 2024/10/12 2024/10/12 West Rand (GWR) Standard 60 0.83 5 5 2.0 1218.3 1218.4 Analysis
8 2024 West Rand Trials (U18) 2024/09/07 2024/09/07 West Rand (GWR) Standard 60 0.83 5 5 2.0 1212.3 1210.1 Analysis
7 2024 West Rand Rappies Open (Rooks) 2024/08/03 2024/08/03 West Rand (GWR) Standard 60 0.83 5 5 1.0 1235.9 1241.1 Analysis
6 D2 School League Finals 2024 (U17) 2024/07/20 2024/07/20 West Rand (GWR) Standard 60 0.83 5 4 2.0 1231.7 1237.5 Analysis
5 FIDE in the West 2024 (Rooks) 2024/06/08 2024/06/08 West Rand (GWR) Standard 60 0.83 5 5 2.0 1236.5 1243.3 Analysis
4 2024 D2 Schools Individuals (U18 Boys) 2024/05/04 2024/05/04 West Rand (GWR) Standard 60 0.83 5 5 2.0 1237.1 1243.3 Analysis
3 2024 West Rand RHS Open (Rooks) 2024/04/13 2024/04/13 West Rand (GWR) Standard 60 0.83 5 5 2.5 1220.1 1224.9 Analysis
2 2024 West Rand Juniors (U18) 2024/03/09 2024/03/09 West Rand (GWR) Standard 60 0.83 5 5 2.0 1224.6 1229.9 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U16A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 1.0 1249.3 1258.7 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
15 Gauteng Inter-Region at UJ 2024 (U18 Candidates) 2024/12/07 2024/12/08 Johannesburg Metro (GJM) Standard 90 0.94 5 5 3.0 1224.0 1227.8 Analysis
14 2024 West Rand Closed (U18) 2024/10/12 2024/10/12 West Rand (GWR) Standard 60 0.83 5 5 2.0 1218.3 1218.4 Analysis
13 2024 West Rand Trials (U18) 2024/09/07 2024/09/07 West Rand (GWR) Standard 60 0.83 5 5 2.0 1212.3 1210.1 Analysis
12 2024 West Rand Rappies Open (Rooks) 2024/08/03 2024/08/03 West Rand (GWR) Standard 60 0.83 5 5 1.0 1235.9 1241.1 Analysis
11 D2 School League Finals 2024 (U17) 2024/07/20 2024/07/20 West Rand (GWR) Standard 60 0.83 5 4 2.0 1231.7 1237.5 Analysis
10 FIDE in the West 2024 (Rooks) 2024/06/08 2024/06/08 West Rand (GWR) Standard 60 0.83 5 5 2.0 1236.5 1243.3 Analysis
9 2024 D2 Schools Individuals (U18 Boys) 2024/05/04 2024/05/04 West Rand (GWR) Standard 60 0.83 5 5 2.0 1237.1 1243.3 Analysis
8 2024 West Rand RHS Open (Rooks) 2024/04/13 2024/04/13 West Rand (GWR) Standard 60 0.83 5 5 2.5 1220.1 1224.9 Analysis
7 2024 West Rand Juniors (U18) 2024/03/09 2024/03/09 West Rand (GWR) Standard 60 0.83 5 5 2.0 1224.6 1229.9 Analysis
6 2024 Gauteng Inter-Region Chess Championship (U16A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 1.0 1249.3 1258.7 Analysis
5 2023 West Rand Trials (U16) 2023/09/09 2023/09/09 West Rand (GWR) Standard 60 0.83 5 5 3.0 1223.3 1229.2 Analysis
4 2023 West Rand RHS Open (Bishops) 2023/06/10 2023/06/10 West Rand (GWR) Standard 60 0.83 5 5 3.0 1204.2 1206.2 Analysis
3 West Rand Juniors 2023 (U16) 2023/03/18 2023/03/18 West Rand (GWR) Standard 60 0.83 5 4 2.0 1200.0 1200.8 Analysis
2 WR Tournament and Coaching 2023 (Rooks) 2023/02/25 2023/02/25 West Rand (GWR) Standard 60 0.83 5 5 3.0 1175.1 1168.4 Analysis
1 D2 Schools Individuals 2019 (U11) 2019/05/18 2019/05/18 West Rand (GWR) Standard 60 0.83 5 4 1.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 49 19 1 29 19.5 39.8 -86.7 1315.3 1228.5
White 26 11 0 15 11.0 42.3 -65.4 1302.5 1237.1
Black 23 8 1 14 8.5 37.0 -110.9 1329.7 1218.8
Standard All 49 19 1 29 19.5 39.8 -86.7 1315.3 1228.5
White 26 11 0 15 11.0 42.3 -65.4 1302.5 1237.1
Black 23 8 1 14 8.5 37.0 -110.9 1329.7 1218.8
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 72 31 2 39 32.0 44.4 -47.2 1284.9 1237.6
White 36 16 1 19 16.5 45.8 -35.4 1274.4 1238.9
Black 36 15 1 20 15.5 43.1 -59.0 1295.4 1236.3
Standard All 72 31 2 39 32.0 44.4 -47.2 1284.9 1237.6
White 36 16 1 19 16.5 45.8 -35.4 1274.4 1238.9
Black 36 15 1 20 15.5 43.1 -59.0 1295.4 1236.3
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 1080136701 Fritz, W (Wayde) 2 2.0 2 0 0 100.0 1220.8 425.0 1645.8 View list
2 1080149211 Mbasane, D (David) 2 2.0 2 0 0 100.0 1218.0 425.0 1643.0 View list
3 1080112202 Maoto, O (Omphile) 2 1.0 1 0 1 50.0 1218.3 0.0 1218.3 View list
4 1080146379 Moraka, L (Lesego) 2 1.0 1 0 1 50.0 1221.4 0.0 1221.4 View list
5 2070117343 Pauwels, P (Piper) 2 1.0 1 0 1 50.0 1215.3 0.0 1215.3 View list
6 1080161893 Ilunga, G (Gradi) 2 0.0 0 0 2 0.0 1227.7 -425.0 802.7 View list
7 1080144534 Moultrey, V (Valentino) 2 0.0 0 0 2 0.0 1212.3 -425.0 787.3 View list
8 1110140225 De Wet, K (Kai) 1 1.0 1 0 0 100.0 1204.2 425.0 1629.2 View list
9 1090134428 De Jager, J (Jandre) 1 1.0 1 0 0 100.0 1224.0 425.0 1649.0 View list
10 1070158460 Collins, M (Mathew) 1 1.0 1 0 0 100.0 1237.1 425.0 1662.1 View list
11 1120156226 Breet, L (Liam) 1 1.0 1 0 0 100.0 1204.2 425.0 1629.2 View list
12 1080310918 Bokoro, N (Nathanael) 1 1.0 1 0 0 100.0 1212.3 425.0 1637.3 View list
13 1130140293 Fourie, T (Theo) 1 1.0 1 0 0 100.0 1236.5 425.0 1661.5 View list
14 1090152515 Ferreira, T (Teagan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
15 1110157463 Labuschagne, Q (Quinten) 1 1.0 1 0 0 100.0 1220.1 425.0 1645.1 View list
16 1070302234 Mahupela, O (Onthatile) 1 1.0 1 0 0 100.0 1231.7 425.0 1656.7 View list
17 1100157450 Mc Carthy, C (Caden) 1 1.0 1 0 0 100.0 1204.2 425.0 1629.2 View list
18 1090141898 Mojaju, K (Kelebogile) 1 1.0 1 0 0 100.0 1224.0 425.0 1649.0 View list
19 1080117659 Monnagaratoe, M (Moatlhodi) 1 1.0 1 0 0 100.0 1223.3 425.0 1648.3 View list
20 1070301063 Morobe, N (Nhlakanipho Thato) 1 1.0 1 0 0 100.0 1224.6 425.0 1649.6 View list