Player Page

Johnson, J (Jerolin)
Dob: 2008/01/23 (U18)
Gender: Male
Chess SA id: 1080147904
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/05/19 (58 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 rating1268.6
Current Weighted rating1165.8
Current Weighted performance1222.3
Current official/published rating (highest between Raw, WR and WP)1268.6
Current highest rating achieved1268.6
Current floor (min rating allowed)768.6
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)±150.4
Current Raw change used (final)0.0
Projected new Raw rating1268.6
Projected new Weighed rating1072.8
Projected new Weighted performance1222.3
Projected new final Raw rating (if new WP > new Raw)1268.6
Projected new highest rating1268.6
Projected new floor768.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1268.6
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 rating1204.8
Current Weighted rating1113.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1204.8
Current highest rating achieved1204.8
Current floor (min rating allowed)704.8
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)±164.7
Current Raw change used (final)0.0
Projected new Raw rating1204.8
Projected new Weighed rating1023.9
Projected new Weighted performance703.6
Projected new final Raw rating (if new WP > new Raw)1204.8
Projected new highest rating1204.8
Projected new floor704.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1204.8
Projected effective change (new Official - current Official)=0.0
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 rating1222.0
Current Weighted rating1220.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1222.0
Current highest rating achieved1222.0
Current floor (min rating allowed)722.0
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)±160.7
Current Raw change used (final)0.0
Projected new Raw rating1222.0
Projected new Weighed rating1123.5
Projected new Weighted performance917.2
Projected new final Raw rating (if new WP > new Raw)1222.0
Projected new highest rating1222.0
Projected new floor722.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1222.0
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 West Coast & Mykonos Open 2024 (Open) 2024/05/17 2024/05/19 West Coast (WCU) Standard 90 0.94 6 5 4.0 1145.8 1093.6 Analysis
2 Bo-Weskus Skole Skaak Top Skole 2024 (O18) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 5 1.0 1145.8 1221.6 Analysis
1 Lambersbaai Open 2024 (A) 2024/05/01 2024/05/01 West Coast (WCU) Rapid 32 0.63 5 4 3.0 1145.8 1221.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 West Coast & Mykonos Open 2024 (Open) 2024/05/17 2024/05/19 West Coast (WCU) Standard 90 0.94 6 5 4.0 1145.8 1093.6 Analysis
4 Bo-Weskus Skole Skaak Top Skole 2024 (O18) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 5 1.0 1145.8 1221.6 Analysis
3 Lambersbaai Open 2024 (A) 2024/05/01 2024/05/01 West Coast (WCU) Rapid 32 0.63 5 4 3.0 1145.8 1221.6 Analysis
2 Clanwilliam Open 2022 (C) 2022/12/10 2022/12/10 West Coast (WCU) Rapid 35 0.66 5 5 3.0 1119.4 1200.0 Analysis
1 West Coast Open 2022 (Open) 2022/11/05 2022/11/05 West Coast (WCU) Standard 65 0.85 6 6 0.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 14 8 0 6 8.0 57.1 60.7 1295.0 1355.8
White 6 3 0 3 3.0 50.0 0.0 1328.7 1328.7
Black 8 5 0 3 5.0 62.5 106.3 1269.8 1376.0
Standard All 5 4 0 1 4.0 80.0 255.0 1350.6 1605.6
White 2 2 0 0 2.0 100.0 425.0 1269.5 1694.5
Black 3 2 0 1 2.0 66.7 141.7 1404.7 1546.4
Rapid All 9 4 0 5 4.0 44.4 -47.2 1264.2 1216.9
White 4 1 0 3 1.0 25.0 -212.5 1358.3 1145.8
Black 5 3 0 2 3.0 60.0 85.0 1188.9 1273.9
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 25 11 0 14 11.0 44.0 -51.0 1270.8 1219.8
White 10 4 0 6 4.0 40.0 -85.0 1299.7 1214.7
Black 15 7 0 8 7.0 46.7 -28.3 1251.5 1223.2
Standard All 11 4 0 7 4.0 36.4 -115.9 1310.4 1194.5
White 4 2 0 2 2.0 50.0 0.0 1271.1 1271.1
Black 7 2 0 5 2.0 28.6 -182.1 1332.9 1150.7
Rapid All 14 7 0 7 7.0 50.0 0.0 1239.6 1239.6
White 6 2 0 4 2.0 33.3 -141.7 1318.7 1177.0
Black 8 5 0 3 5.0 62.5 106.3 1180.3 1286.6
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 1120100598 Ellman, A (Andries) 2 1.0 1 0 1 50.0 1132.6 0.0 1132.6 View list
2 1100154575 Kamfer, J (Johnlin) 1 1.0 1 0 0 100.0 1145.8 425.0 1570.8 View list
3 1140137106 Jordaan, L (Luke) 1 1.0 1 0 0 100.0 1145.8 425.0 1570.8 View list
4 1100103503 Arendse, Q (Quinwinne) 1 1.0 1 0 0 100.0 1145.8 425.0 1570.8 View list
5 2130153778 Kujinga, T (Tawanayasha) 1 1.0 1 0 0 100.0 1145.8 425.0 1570.8 View list
6 1120139044 Koopman, V (Virat) 1 1.0 1 0 0 100.0 1145.8 425.0 1570.8 View list
7 2130139089 Swartz, A (Ashan) 1 1.0 1 0 0 100.0 1119.4 425.0 1544.4 View list
8 1110148171 Swarts, C (Caleb) 1 1.0 1 0 0 100.0 1119.4 425.0 1544.4 View list
9 1110131962 Skippers, G (Gerano) 1 1.0 1 0 0 100.0 1119.4 425.0 1544.4 View list
10 1070304916 Salomo, C (Cohen) 1 1.0 1 0 0 100.0 1145.8 425.0 1570.8 View list
11 2080192522 Van Zyl, A (Ane) 1 1.0 1 0 0 100.0 1145.8 425.0 1570.8 View list
12 1000134275 Van Wyk, E (Ebrahim) 1 0.0 0 0 1 0.0 1145.8 -425.0 720.8 View list
13 1080099747 Van Rooyen, S (Sergio) 1 0.0 0 0 1 0.0 1145.8 -425.0 720.8 View list
14 2100142543 Love, C (Celine) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 1100110503 Shoshola, D (Diego) 1 0.0 0 0 1 0.0 1119.4 -425.0 694.4 View list
16 209090556 Sauls, J (Jada) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 1060110582 Koegelenberg, D (Daniel) 1 0.0 0 0 1 0.0 1145.8 -425.0 720.8 View list
18 1100116577 Hollenbaght, OJ (Owen James) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
19 1060138388 Hendricks, G (Guevante) 1 0.0 0 0 1 0.0 1145.8 -425.0 720.8 View list
20 2090096275 Farmer, J (Jaydean) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list