Player Page

Jafta, O (Oratile)
Dob: 2010/08/21 (U16)
Gender: Male
Chess SA id: 1100152785
FIDE id:
Region: Frances Baard (NCF)
Citizen: RSA
Title(s):
Last active: 2024/05/05 (12 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 rating1307.1
Curent Weighted rating1260.5
Curent Weighted performance1273.6
Current official/published rating (highest between Raw, WR and WP)1307.1
Current floor (min rating allowed)836.1
Current highest rating achieved1336.1
Current K-factor36
Games played this month5
Score (S)2.5
Expected score (We)2.91
Difference (S-We)-0.41
Current Raw change (no limits, including tournament time weight)-12.3
Current min/max change allowed (with limits)±142.3
Current Raw change used (final)-12.3
Projected new Raw rating1294.8
Projected new Weighed rating1264.9
Projected new Weighted performance1273.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1294.8
Projected effective change (new Official - current Official)-12.3
Projected new highest rating1336.1
Projected new floor836.1
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 rating1303.7
Curent Weighted rating1279.0
Curent Weighted performance1236.2
Current official/published rating (highest between Raw, WR and WP)1303.7
Current floor (min rating allowed)839.7
Current highest rating achieved1339.7
Current K-factor36
Games played this month5
Score (S)2.5
Expected score (We)3.02
Difference (S-We)-0.52
Current Raw change (no limits, including tournament time weight)-18.7
Current min/max change allowed (with limits)±143.0
Current Raw change used (final)-18.7
Projected new Raw rating1285.0
Projected new Weighed rating1281.6
Projected new Weighted performance1236.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1285.0
Projected effective change (new Official - current Official)-18.7
Projected new highest rating1339.7
Projected new floor839.7
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 rating1189.2
Curent Weighted rating1159.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1189.2
Current floor (min rating allowed)689.2
Current highest rating achieved1189.2
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)±168.4
Current Raw change used (final)0.0
Projected new Raw rating1189.2
Projected new Weighed rating1161.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1189.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1189.2
Projected new floor689.2
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)689.2
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 floor689.2
Projected new K-facor36
Tournaments
Tournament: Spartan Bishops Chess Championships 2024 (Knights)
Start: 2024/05/04  End: 2024/05/05  Host: NBR  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 2.5
Main rating: 1307.1  Rating gain/loss: -12.3
Type rating: 1303.7  Rating gain/loss: -18.7
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Spartan Bishops Chess Championships 2024 (Knights) 2024/05/04 2024/05/05 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 1307.1 1303.7 Analysis
3 2024 FB Schools Open 4.0 (U15) 2024/04/13 2024/04/13 Frances Baard (NCF) Standard 62 0.84 5 4 1.5 1336.1 1339.7 Analysis
2 2024 FB Schools Open 3.0 (U15) 2024/03/16 2024/03/16 Frances Baard (NCF) Standard 60 0.83 5 5 4.0 1275.2 1304.8 Analysis
1 2024 Frances Baard Schools Teams (Overflow Kings) 2024/03/02 2024/03/02 Frances Baard (NCF) Rapid 30 0.60 5 5 4.0 1275.2 1138.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
11 Spartan Bishops Chess Championships 2024 (Knights) 2024/05/04 2024/05/05 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 1307.1 1303.7 Analysis
10 2024 FB Schools Open 4.0 (U15) 2024/04/13 2024/04/13 Frances Baard (NCF) Standard 62 0.84 5 4 1.5 1336.1 1339.7 Analysis
9 2024 FB Schools Open 3.0 (U15) 2024/03/16 2024/03/16 Frances Baard (NCF) Standard 60 0.83 5 5 4.0 1275.2 1304.8 Analysis
8 2024 Frances Baard Schools Teams (Overflow Kings) 2024/03/02 2024/03/02 Frances Baard (NCF) Rapid 30 0.60 5 5 4.0 1275.2 1138.4 Analysis
7 2023 Northern Cape Closed Chess Championships (U14 Open) 2023/08/25 2023/08/27 Frances Baard (NCF) Standard 92 0.94 5 4 2.0 1227.9 1255.6 Analysis
6 Frances Baard Schools Open III 2023 (U13) 2023/08/05 2023/08/05 Frances Baard (NCF) Standard 62 0.84 5 5 4.0 1227.9 1255.6 Analysis
5 Galeshewe 2 2023 (Juniors) 2023/06/03 2023/06/03 Frances Baard (NCF) Standard 60 0.83 5 5 3.0 1212.4 1242.6 Analysis
4 Frances Baard Schools Trials 2023 (U15 Boys) 2023/05/27 2023/05/27 Frances Baard (NCF) Standard 62 0.84 5 5 3.0 1225.1 1229.6 Analysis
3 Mayibuye Tournament 2023 (Juniors) 2023/05/13 2023/05/13 Frances Baard (NCF) Rapid 15 0.39 5 5 1.0 1225.1 1200.0 Analysis
2 Galeshewe Open Tournament 2023 (B) 2023/04/29 2023/04/29 Frances Baard (NCF) Standard 60 0.83 5 5 3.0 1213.4 1215.6 Analysis
1 Frances Baard School Open II 2023 (U13) 2023/03/18 2023/03/18 Frances Baard (NCF) Standard 62 0.84 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 19 11 2 6 12.0 63.2 111.8 1230.6 1342.4
White 10 8 0 2 8.0 80.0 255.0 1204.4 1459.4
Black 9 3 2 4 4.0 44.4 -47.2 1259.6 1212.4
Standard All 14 7 2 5 8.0 57.1 60.7 1228.9 1289.6
White 7 5 0 2 5.0 71.4 182.1 1202.2 1384.3
Black 7 2 2 3 3.0 42.9 -60.7 1255.6 1194.9
Rapid All 5 4 0 1 4.0 80.0 255.0 1235.2 1490.2
White 3 3 0 0 3.0 100.0 425.0 1209.6 1634.6
Black 2 1 0 1 1.0 50.0 0.0 1273.7 1273.7
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 53 30 2 21 31.0 58.5 72.2 1213.8 1286.0
White 26 18 0 8 18.0 69.2 163.5 1207.6 1371.1
Black 27 12 2 13 13.0 48.1 -15.7 1219.7 1204.0
Standard All 43 25 2 16 26.0 60.5 89.0 1213.4 1302.3
White 20 14 0 6 14.0 70.0 170.0 1206.9 1376.9
Black 23 11 2 10 12.0 52.2 18.5 1218.9 1237.4
Rapid All 10 5 0 5 5.0 50.0 0.0 1215.7 1215.7
White 6 4 0 2 4.0 66.7 141.7 1210.0 1351.6
Black 4 1 0 3 1.0 25.0 -212.5 1224.2 1011.7
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 1150145160 Jacobs, K (Kamohelo) 3 2.0 2 0 1 66.7 1217.0 141.7 1358.6 View list
2 1100110623 Mathamela, G (Golaotswe) 3 1.0 1 0 2 33.3 1221.2 -141.7 1079.5 View list
3 1100150911 Van Rooyen, A (Andre) 3 1.0 1 0 2 33.3 1243.7 -141.7 1102.0 View list
4 1080152804 Kritzinger, H (Henro) 2 2.0 2 0 0 100.0 1250.2 425.0 1675.2 View list
5 1100300162 Makeleni, L (Lelomso) 2 1.5 1 1 0 75.0 1305.7 212.5 1518.2 View list
6 1120110626 Mathamela, B (Bokang) 2 0.0 0 0 2 0.0 1219.3 -425.0 794.3 View list
7 1100156772 Gabaikangwe, K (Kutlwano) 2 0.0 0 0 2 0.0 1220.2 -425.0 795.2 View list
8 1100119943 Mokapane, S (Siyabulela) 2 0.0 0 0 2 0.0 1274.8 -425.0 849.8 View list
9 1140146801 Mombathi, G (Gomotsegang) 2 0.0 0 0 2 0.0 1218.8 -425.0 793.8 View list
10 2110142045 Kwaeng, D (Dimpho) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
11 1150157693 Cidraas, O (Omphemetse) 1 1.0 1 0 0 100.0 1212.4 425.0 1637.4 View list
12 110086186 Boje, E (Ewald) 1 1.0 1 0 0 100.0 1307.1 425.0 1732.1 View list
13 1100150898 Bogacwi, O (Ofentse) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1100150900 Jansen, M (Mikel) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
15 1090190576 Matemera, S (Sydney) 1 1.0 1 0 0 100.0 1307.1 425.0 1732.1 View list
16 1140152767 Martin, L (Liam) 1 1.0 1 0 0 100.0 1275.2 425.0 1700.2 View list
17 1110152790 Maretela, L (Lebone) 1 1.0 1 0 0 100.0 1227.9 425.0 1652.9 View list
18 1070300180 Makhata, K (Kgatoentle) 1 1.0 1 0 0 100.0 1275.2 425.0 1700.2 View list
19 2120157694 Mahadika, R (Rorisang) 1 1.0 1 0 0 100.0 1212.4 425.0 1637.4 View list
20 1070156822 Louw, B (Boitumelo) 1 1.0 1 0 0 100.0 1225.1 425.0 1650.1 View list