Player Page

Johnson, A (Amy)
Dob: 2012/11/29 (U14)
Gender: Female
Chess SA id: 2120108533
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2023/09/03 (292 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 rating1386.1
Current Weighted rating1383.7
Current Weighted performance1226.4
Current official/published rating (highest between Raw, WR and WP)1386.1
Current highest rating achieved1452.4
Current floor (min rating allowed)952.4
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)±127.2
Current Raw change used (final)0.0
Projected new Raw rating1386.1
Projected new Weighed rating1275.0
Projected new Weighted performance1226.4
Projected new final Raw rating (if new WP > new Raw)1386.1
Projected new highest rating1452.4
Projected new floor952.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1386.1
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 rating1387.2
Current Weighted rating1382.9
Current Weighted performance1219.8
Current official/published rating (highest between Raw, WR and WP)1387.2
Current highest rating achieved1458.2
Current floor (min rating allowed)958.2
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)±127.0
Current Raw change used (final)0.0
Projected new Raw rating1387.2
Projected new Weighed rating1274.6
Projected new Weighted performance1219.8
Projected new final Raw rating (if new WP > new Raw)1387.2
Projected new highest rating1458.2
Projected new floor958.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1387.2
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 rating1271.8
Current Weighted rating1268.3
Current Weighted performance1164.9
Current official/published rating (highest between Raw, WR and WP)1271.8
Current highest rating achieved1271.8
Current floor (min rating allowed)771.8
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)±149.7
Current Raw change used (final)0.0
Projected new Raw rating1271.8
Projected new Weighed rating1167.9
Projected new Weighted performance1164.9
Projected new final Raw rating (if new WP > new Raw)1271.8
Projected new highest rating1271.8
Projected new floor771.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1271.8
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 rating1058.4
Current Weighted rating1063.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1063.1
Current highest rating achieved1058.4
Current floor (min rating allowed)558.4
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)±202.9
Current Raw change used (final)0.0
Projected new Raw rating1058.4
Projected new Weighed rating976.6
Projected new Weighted performance273.0
Projected new final Raw rating (if new WP > new Raw)1058.4
Projected new highest rating1058.4
Projected new floor558.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1058.4
Projected effective change (new Official - current Official)-4.7
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
47 Western Cape Top Schools 2023 (U11 Girls) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 6 4.0 1381.9 1382.7 Analysis
46 Eden Top Schools 2023 (U11 Girls) 2023/08/19 2023/08/19 Eden District (WEG) Standard 60 0.83 6 4 4.0 1440.3 1441.9 Analysis
45 CW Top Schools 2023 (Advanced) 2023/08/11 2023/08/13 West Coast (WCU) Standard 90 0.94 6 5 0.0 1440.3 1441.9 Analysis
44 Knysna Oyster Festival 2023 (Juniors) 2023/07/01 2023/07/01 Eden District (WEG) Rapid 30 0.60 6 6 3.5 1442.6 1270.0 Analysis
43 George Chess Club Winter Open 2023 (C) 2023/05/20 2023/05/20 Eden District (WEG) Standard 60 0.83 5 5 2.0 1452.4 1458.2 Analysis
42 Western Cape PS Individuals 2023 (U11 Girls) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 5.0 1452.4 1458.2 Analysis
41 Eden Trials 2+3 2023 (U12) 2023/04/15 2023/05/13 Eden District (WEG) Standard 60 0.83 10 10 6.5 1452.4 1458.2 Analysis
40 Heidelberg Big Pumpkin Chess Tournament 2023 (C) 2023/04/01 2023/04/01 Eden District (WEG) Standard 60 0.83 5 5 4.0 1380.1 1429.6 Analysis
39 Eden Trails 1 2023 (U11 Girls) 2023/03/11 2023/03/11 Eden District (WEG) Standard 60 0.83 5 5 4.0 1313.6 1299.9 Analysis
38 Hessequa Proewe 2 2023 (O11 Dogters) 2023/02/11 2023/02/11 Eden District (WEG) Standard 60 0.83 5 5 3.0 1304.0 1275.3 Analysis
37 Hessequa Proewe 1 2023 (O11 Dogters) 2023/01/28 2023/01/28 Eden District (WEG) Standard 60 0.83 5 5 3.0 1300.4 1262.7 Analysis
36 George Open 2022 (C) 2022/12/03 2022/12/03 Eden District (WEG) Standard 60 0.83 5 5 2.0 1304.6 1255.9 Analysis
35 VGK 2022 (Rapid Development) 2022/11/12 2022/11/12 Eden District (WEG) Rapid 17 0.42 6 6 5.0 1291.7 1201.2 Analysis
34 VGK 2022 (Blitz) 2022/11/12 2022/11/12 Eden District (WEG) Blitz 5 0.18 6 6 1.0 1291.7 1200.0 Analysis
33 Hessequa Ontwikkeling 2022 (Laerskole) 2022/10/22 2022/10/22 Eden District (WEG) Rapid 30 0.60 5 5 4.0 1264.7 1162.3 Analysis
32 Pacaltsdorp Chess Club 2022 (Development) 2022/08/27 2022/08/27 Eden District (WEG) Rapid 25 0.54 6 6 3.0 1182.3 1176.7 Analysis
31 Eden Topskole 2022 (O11 Dogters) 2022/08/13 2022/08/13 Eden District (WEG) Standard 60 0.83 6 6 5.0 1182.3 1168.1 Analysis
30 South African Open 2022 (U12) 2022/07/11 2022/07/13 Cape Town (WCT) Standard 90 0.94 6 6 2.0 1321.7 1309.9 Analysis
29 South African Open 2022 (B) 2022/07/09 2022/07/17 Cape Town (WCT) Standard 120 1.00 11 10 2.5 1321.7 1309.9 Analysis
28 Knysna Oyster Festival Rapid Chess 2022 (B) 2022/07/02 2022/07/02 Eden District (WEG) Rapid 30 0.60 5 5 2.0 1321.7 1236.1 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 257 125 16 116 133.0 51.8 14.9 1228.5 1243.4
White 131 66 11 54 71.5 54.6 38.9 1234.7 1273.7
Black 126 59 5 62 61.5 48.8 -10.1 1222.1 1212.0
Standard All 194 93 12 89 99.0 51.0 8.8 1226.9 1235.6
White 98 49 8 41 53.0 54.1 34.7 1230.4 1265.1
Black 96 44 4 48 46.0 47.9 -17.7 1223.3 1205.5
Rapid All 57 31 4 22 33.0 57.9 67.1 1225.9 1293.0
White 30 17 3 10 18.5 61.7 99.2 1233.9 1333.1
Black 27 14 1 12 14.5 53.7 31.5 1216.9 1248.4
Blitz All 6 1 0 5 1.0 16.7 -283.3 1308.2 1024.9
White 3 0 0 3 0.0 0.0 -425.0 1383.6 958.6
Black 3 1 0 2 1.0 33.3 -141.7 1232.8 1091.1
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2120119684 Moses, J (Jay-Leigh) 9 3.0 3 0 6 33.3 1232.7 -141.7 1091.0 View list
2 2120119685 Petersen, B (Brionay) 7 3.0 3 0 4 42.9 1291.3 -60.7 1230.6 View list
3 1120109662 Roberts, I (Iwan) 7 1.5 1 1 5 21.4 1243.4 -242.9 1000.5 View list
4 2130109664 Saayman, L (Leshme) 6 6.0 6 0 0 100.0 1156.1 425.0 1581.1 View list
5 2120116532 Cornforth, K (Kayleigh) 5 1.0 1 0 4 20.0 1344.1 -255.0 1089.1 View list
6 2130143231 Saayman, V (Veronique) 4 3.0 3 0 1 75.0 1295.7 212.5 1508.2 View list
7 2120112287 Lukas, J (Janeva) 4 1.0 1 0 3 25.0 1153.6 -212.5 941.1 View list
8 2110130748 Basson, K (Karliayah) 3 3.0 3 0 0 100.0 1161.0 425.0 1586.0 View list
9 2130136579 Barkhuysen, A (Ankia) 3 3.0 3 0 0 100.0 1420.8 425.0 1845.8 View list
10 2110131983 Daniels, C (Chelsea) 3 3.0 3 0 0 100.0 1327.5 425.0 1752.5 View list
11 2110134799 Pietersen, C (Chandre) 3 3.0 3 0 0 100.0 1266.1 425.0 1691.1 View list
12 2120111379 Coetzee, C (Carli) 3 2.0 2 0 1 66.7 1153.4 141.7 1295.1 View list
13 1110109659 Daries, T (Tyreez) 3 1.0 1 0 2 33.3 1161.0 -141.7 1019.3 View list
14 2120110759 Ntontelo, K (Khazimla) 3 1.0 1 0 2 33.3 1167.2 -141.7 1025.5 View list
15 1120107825 Meyer, A (Albert) 3 0.5 0 1 2 16.7 1156.9 -283.3 873.6 View list
16 1120098503 Heunis, F (Fourie) 3 0.0 0 0 3 0.0 1156.9 -425.0 731.9 View list
17 2120133357 Buhr, G (Gretchen) 2 2.0 2 0 0 100.0 1356.3 425.0 1781.3 View list
18 1120154635 Bam, C (Cayleb) 2 2.0 2 0 0 100.0 1411.3 425.0 1836.3 View list
19 1100117244 Claassen, R (Reinier) 2 2.0 2 0 0 100.0 1051.4 425.0 1476.4 View list
20 2110117246 Cromhout, B (Bianca) 2 2.0 2 0 0 100.0 1183.2 425.0 1608.2 View list