Player Page

Ogunjiofor, CJ (Chinedu Jeremy)
Dob: 2010/05/29 (U16)
Gender: Male
Chess SA id: 110087575
FIDE id:
Region: Ehlanzeni (MEN)
Citizen: RSA
Title(s):
Last active: 2024/03/09 (71 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 rating1549.5
Curent Weighted rating1499.3
Curent Weighted performance1440.7
Current official/published rating (highest between Raw, WR and WP)1549.5
Current floor (min rating allowed)1059.6
Current highest rating achieved1559.6
Current K-factor32
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)±100.8
Current Raw change used (final)0.0
Projected new Raw rating1549.5
Projected new Weighed rating1505.9
Projected new Weighted performance1440.7
Projected new official/published rating (highest between new Raw, new WR and new WP)1549.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1559.6
Projected new floor1059.6
Projected new K-facor32
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 rating1542.5
Curent Weighted rating1490.5
Curent Weighted performance1473.6
Current official/published rating (highest between Raw, WR and WP)1542.5
Current floor (min rating allowed)1042.5
Current highest rating achieved1542.5
Current K-factor32
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)±101.8
Current Raw change used (final)0.0
Projected new Raw rating1542.5
Projected new Weighed rating1496.9
Projected new Weighted performance1473.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1542.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1542.5
Projected new floor1042.5
Projected new K-facor32
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 rating1083.1
Curent Weighted rating932.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1083.1
Current floor (min rating allowed)583.1
Current highest rating achieved1083.1
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)±195.9
Current Raw change used (final)0.0
Projected new Raw rating1083.1
Projected new Weighed rating952.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1083.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1083.1
Projected new floor583.1
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 rating662.4
Curent Weighted rating662.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)662.4
Current floor (min rating allowed)583.1
Current highest rating achieved662.4
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)±356.7
Current Raw change used (final)0.0
Projected new Raw rating662.4
Projected new Weighed rating662.4
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)662.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating662.4
Projected new floor583.1
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Oikos Chess Tournament 2024 (U16) 2024/03/09 2024/03/09 Ehlanzeni (MEN) Standard 63 0.84 5 5 5.0 1515.6 1499.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
38 Oikos Chess Tournament 2024 (U16) 2024/03/09 2024/03/09 Ehlanzeni (MEN) Standard 63 0.84 5 5 5.0 1515.6 1499.9 Analysis
37 Mbombela Chess Club Annual 2023 (U14) 2023/12/02 2023/12/02 Nelson Mandela Bay (ENM) Standard 63 0.84 5 5 3.5 1535.8 1520.1 Analysis
36 Mpumalanga Final 2023 (U13) 2023/09/02 2023/09/02 Gert Sibande (MGS) Rapid 30 0.60 5 5 2.5 1559.6 1019.1 Analysis
35 Interprimary Finals 2023 (U13) 2023/08/19 2023/08/19 Ehlanzeni (MEN) Rapid 30 0.60 5 5 5.0 1514.9 662.4 Analysis
34 Interprimary 2023 (U13) 2023/08/05 2023/08/05 Ehlanzeni (MEN) Rapid 30 0.60 7 6 6.0 1514.9 662.4 Analysis
33 White River Primary 2023 (U14) 2023/07/21 2023/07/21 Ehlanzeni (MEN) Standard 63 0.84 5 5 4.0 1510.6 1514.1 Analysis
32 Robbies 2023 (U14) 2023/05/11 2023/05/11 Ehlanzeni (MEN) Standard 63 0.84 5 5 5.0 1438.4 1438.7 Analysis
31 Oikos Chess Tournament 2023 (U14) 2023/03/11 2023/03/11 Ehlanzeni (MEN) Standard 63 0.84 5 5 5.0 1363.4 1372.2 Analysis
30 Uplands Chess Tournament 2023 (U14) 2023/02/25 2023/02/25 Ehlanzeni (MEN) Standard 63 0.84 5 5 3.5 1328.7 1330.9 Analysis
29 Penryn Chess Tournament 2023 (U14) 2023/02/11 2023/02/11 Ehlanzeni (MEN) Standard 63 0.84 5 5 4.0 1328.7 1330.9 Analysis
28 2022 South African Junior Team Chess Championships (U14 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 6 1.0 1409.0 1413.1 Analysis
27 Rob Ferreira Chess Tournament 2022 (U14) 2022/05/07 2022/05/07 Ehlanzeni (MEN) Standard 62 0.84 5 5 5.0 1363.3 1357.7 Analysis
26 Uplands Chess Tournament 2022 (U14) 2022/02/26 2022/02/26 Ehlanzeni (MEN) Standard 62 0.84 5 5 4.0 1348.5 1339.3 Analysis
25 Chess Unlimited 1 2021 (U14) 2021/10/23 2021/10/23 Ehlanzeni (MEN) Standard 61 0.83 5 5 3.0 1369.7 1365.2 Analysis
24 Bergvlam Tournament 2020 (U12) 2020/03/14 2020/03/14 Ehlanzeni (MEN) Standard 63 0.84 5 5 5.0 1281.2 1284.3 Analysis
23 Chess Unlimited Leap Year Tournament 2020 (A) 2020/02/29 2020/02/29 Ehlanzeni (MEN) Standard 70 0.87 5 5 3.0 1290.0 1295.1 Analysis
22 Uplands 2020 (U12) 2020/01/25 2020/01/25 Ehlanzeni (MEN) Standard 60 0.83 5 5 4.0 1264.6 1265.6 Analysis
21 2019 South African Junior Team Championships (U12A) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 3.0 1264.6 1265.6 Analysis
20 Barberton Primary 2019 (U12) 2019/07/27 2019/07/27 Ehlanzeni (MEN) Standard 63 0.84 5 5 4.0 1233.8 1223.1 Analysis
19 Ehlanzeni Open 2019 (C) 2019/07/20 2019/07/20 Ehlanzeni (MEN) Standard 60 0.83 5 5 2.0 1233.8 1223.1 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 5 0 0 5.0 100.0 425.0 1295.2 1720.2
White 2 2 0 0 2.0 100.0 425.0 1275.9 1700.9
Black 3 3 0 0 3.0 100.0 425.0 1308.1 1733.1
Standard All 5 5 0 0 5.0 100.0 425.0 1295.2 1720.2
White 2 2 0 0 2.0 100.0 425.0 1275.9 1700.9
Black 3 3 0 0 3.0 100.0 425.0 1308.1 1733.1
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 213 148 8 57 152.0 71.4 181.6 1115.9 1297.5
White 106 72 4 30 74.0 69.8 168.4 1116.7 1285.1
Black 107 76 4 27 78.0 72.9 194.6 1115.2 1309.8
Standard All 197 135 7 55 138.5 70.3 172.6 1102.0 1274.6
White 98 65 4 29 67.0 68.4 156.1 1100.9 1257.0
Black 99 70 3 26 71.5 72.2 188.9 1103.0 1291.9
Rapid All 16 13 1 2 13.5 84.4 292.2 1287.9 1580.1
White 8 7 0 1 7.0 87.5 318.8 1310.8 1629.6
Black 8 6 1 1 6.5 81.3 265.6 1265.0 1530.6
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 210087580 Pauer, M (Mieke) 9 0.5 0 1 8 5.6 1140.5 -377.8 762.7 View list
2 1110097939 Arugundiya, R (Robert) 6 6.0 6 0 0 100.0 1252.3 425.0 1677.3 View list
3 209089639 Van Dyk, M (Mia) 6 4.5 4 1 1 75.0 1180.1 212.5 1392.6 View list
4 1130140531 Glass, G (Gift) 6 3.0 3 0 3 50.0 1409.8 0.0 1409.8 View list
5 109084374 Naidoo, J (Jasbir) 5 3.0 3 0 2 60.0 1104.2 85.0 1189.2 View list
6 109066921 Macdonald, I (Ian) 5 2.0 2 0 3 40.0 1187.0 -85.0 1102.0 View list
7 1100109316 Sankar, R (Rahil) 4 4.0 4 0 0 100.0 1279.6 425.0 1704.6 View list
8 1110097938 Loock, S (Schalk) 4 3.5 3 1 0 87.5 1235.9 318.8 1554.6 View list
9 208087581 Combrink, H (Helen) 3 3.0 3 0 0 100.0 1165.5 425.0 1590.5 View list
10 1080097926 Botha, W (Wian) 3 3.0 3 0 0 100.0 1242.0 425.0 1667.0 View list
11 1100108272 Joubert, P (Petrus) 3 3.0 3 0 0 100.0 1277.0 425.0 1702.0 View list
12 109077583 Shongwe, L (Lihle) 3 3.0 3 0 0 100.0 1154.5 425.0 1579.5 View list
13 109066919 Grobler, Z (Zander) 3 2.0 2 0 1 66.7 990.6 141.7 1132.3 View list
14 205082295 Sibiya, S (Sizakele) 3 2.0 2 0 1 66.7 1242.0 141.7 1383.6 View list
15 108065716 Van Heerden, M (Michael) 3 2.0 2 0 1 66.7 1279.1 141.7 1420.8 View list
16 204002761 Boshoff, J (Juane) 3 1.0 1 0 2 33.3 1252.5 -141.7 1110.9 View list
17 108089644 Onwusaka, L (Lucky) 3 0.0 0 0 3 0.0 1217.5 -425.0 792.5 View list
18 208065697 Douglass, KE (Kaylee) 2 2.0 2 0 0 100.0 1166.5 425.0 1591.5 View list
19 1100149494 Eloff, Z (Zack) 2 2.0 2 0 0 100.0 1346.1 425.0 1771.1 View list
20 1120104169 Eksteen, J (Jean) 2 2.0 2 0 0 100.0 1255.8 425.0 1680.8 View list