Player Page

Johnson, B (Brian)
Dob: 2015/08/19 (U10)
Gender: Male
Chess SA id: 1150193579
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/10/26 (29 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 rating1374.3
Current Weighted rating1262.9
Current Weighted performance1320.7
Current official/published rating (highest between Raw, WR and WP)1374.3
Current highest rating achieved1448.4
Current floor (min rating allowed)948.4
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)±129.4
Current Raw change used (final)0.0
Projected new Raw rating1374.3
Projected new Weighed rating1164.0
Projected new Weighted performance1320.7
Projected new final Raw rating (if new WP > new Raw)1374.3
Projected new highest rating1448.4
Projected new floor948.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1374.3
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 rating1277.2
Current Weighted rating1223.1
Current Weighted performance1279.2
Current official/published rating (highest between Raw, WR and WP)1279.2
Current highest rating achieved1311.6
Current floor (min rating allowed)811.6
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)±148.5
Current Raw change used (final)0.0
Projected new Raw rating1277.2
Projected new Weighed rating1126.1
Projected new Weighted performance1279.2
Projected new final Raw rating (if new WP > new Raw)1279.2
Projected new highest rating1311.6
Projected new floor811.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1279.2
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 rating1421.8
Current Weighted rating1267.3
Current Weighted performance1404.4
Current official/published rating (highest between Raw, WR and WP)1421.8
Current highest rating achieved1436.2
Current floor (min rating allowed)936.2
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)±120.9
Current Raw change used (final)0.0
Projected new Raw rating1421.8
Projected new Weighed rating1168.2
Projected new Weighted performance1404.4
Projected new final Raw rating (if new WP > new Raw)1421.8
Projected new highest rating1436.2
Projected new floor936.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1421.8
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
15 Chess Elevation Series - October 2024 (Level 2) 2024/10/25 2024/10/26 Cape Town (WCT) Standard 70 0.87 5 5 3.0 1356.7 1261.0 Analysis
14 Laerskool Welgemoed Rapid 2024 (U10) 2024/10/19 2024/10/19 Cape Town (WCT) Rapid 25 0.54 6 6 4.0 1356.7 1436.2 Analysis
13 UCT Open Chess Championship 2024 (U10) 2024/10/12 2024/10/13 Cape Town (WCT) Rapid 25 0.54 6 6 5.0 1356.7 1436.2 Analysis
12 Spring Slam 2024 (B) 2024/10/05 2024/10/05 Cape Town (WCT) Rapid 20 0.47 6 6 2.0 1356.7 1436.2 Analysis
11 Chess Elevation Series -September 2024 (Level 3) 2024/09/20 2024/09/21 Cape Town (WCT) Standard 70 0.87 5 5 0.5 1448.4 1311.6 Analysis
10 CBC Rapid Chess Tournament 2024 (U10) 2024/09/14 2024/09/14 Cape Town (WCT) Rapid 30 0.60 6 6 4.0 1448.4 1329.8 Analysis
9 Kleinmond Chess Club Open 2024 (U10) 2024/09/07 2024/09/07 Overberg (WOS) Rapid 25 0.54 6 6 4.5 1448.4 1329.8 Analysis
8 Western Cape Women’s Championship 2024 (U10) 2024/08/09 2024/08/09 West Coast (WCU) Standard 60 0.83 5 5 4.5 1344.9 1235.3 Analysis
7 CT League 2024 (D) 2024/08/03 2024/08/03 Cape Town (WCT) Standard 70 0.87 6 4 2.0 1448.4 1311.6 Analysis
6 CT District North Top Schools 2024 (U9 Mixed) 2024/07/27 2024/07/27 Cape Town (WCT) Rapid 30 0.60 5 4 4.0 1265.7 1261.4 Analysis
5 Cape Town Chess Federation Closed Chess Championships 2024 (U10) 2024/06/15 2024/06/15 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1227.2 1189.6 Analysis
4 Steinitz Chess Festival 2024 (U10) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 5 5 3.0 1212.5 1241.6 Analysis
3 Chas Everitt and MHI Attorneys Rapid 2024 (U10) 2024/03/09 2024/03/09 Cape Town (WCT) Rapid 25 0.54 6 6 4.0 1218.6 1200.0 Analysis
2 Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1218.6 1221.6 Analysis
1 North District School Trials 2024 (U9 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
15 Chess Elevation Series - October 2024 (Level 2) 2024/10/25 2024/10/26 Cape Town (WCT) Standard 70 0.87 5 5 3.0 1356.7 1261.0 Analysis
14 Laerskool Welgemoed Rapid 2024 (U10) 2024/10/19 2024/10/19 Cape Town (WCT) Rapid 25 0.54 6 6 4.0 1356.7 1436.2 Analysis
13 UCT Open Chess Championship 2024 (U10) 2024/10/12 2024/10/13 Cape Town (WCT) Rapid 25 0.54 6 6 5.0 1356.7 1436.2 Analysis
12 Spring Slam 2024 (B) 2024/10/05 2024/10/05 Cape Town (WCT) Rapid 20 0.47 6 6 2.0 1356.7 1436.2 Analysis
11 Chess Elevation Series -September 2024 (Level 3) 2024/09/20 2024/09/21 Cape Town (WCT) Standard 70 0.87 5 5 0.5 1448.4 1311.6 Analysis
10 CBC Rapid Chess Tournament 2024 (U10) 2024/09/14 2024/09/14 Cape Town (WCT) Rapid 30 0.60 6 6 4.0 1448.4 1329.8 Analysis
9 Kleinmond Chess Club Open 2024 (U10) 2024/09/07 2024/09/07 Overberg (WOS) Rapid 25 0.54 6 6 4.5 1448.4 1329.8 Analysis
8 Western Cape Women’s Championship 2024 (U10) 2024/08/09 2024/08/09 West Coast (WCU) Standard 60 0.83 5 5 4.5 1344.9 1235.3 Analysis
7 CT League 2024 (D) 2024/08/03 2024/08/03 Cape Town (WCT) Standard 70 0.87 6 4 2.0 1448.4 1311.6 Analysis
6 CT District North Top Schools 2024 (U9 Mixed) 2024/07/27 2024/07/27 Cape Town (WCT) Rapid 30 0.60 5 4 4.0 1265.7 1261.4 Analysis
5 Cape Town Chess Federation Closed Chess Championships 2024 (U10) 2024/06/15 2024/06/15 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1227.2 1189.6 Analysis
4 Steinitz Chess Festival 2024 (U10) 2024/05/11 2024/05/11 Cape Town (WCT) Rapid 20 0.47 5 5 3.0 1212.5 1241.6 Analysis
3 Chas Everitt and MHI Attorneys Rapid 2024 (U10) 2024/03/09 2024/03/09 Cape Town (WCT) Rapid 25 0.54 6 6 4.0 1218.6 1200.0 Analysis
2 Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) 2024/03/02 2024/03/03 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1218.6 1221.6 Analysis
1 North District School Trials 2024 (U9 Boys) 2024/02/03 2024/02/03 Cape Town (WCT) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 80 47 3 30 48.5 60.6 90.3 1278.1 1368.4
White 38 21 1 16 21.5 56.6 55.9 1274.2 1330.1
Black 42 26 2 14 27.0 64.3 121.4 1281.7 1403.1
Standard All 35 17 2 16 18.0 51.4 12.1 1281.8 1294.0
White 16 6 1 9 6.5 40.6 -79.7 1274.7 1195.0
Black 19 11 1 7 11.5 60.5 89.5 1287.9 1377.3
Rapid All 45 30 1 14 30.5 67.8 151.1 1275.2 1426.3
White 22 15 0 7 15.0 68.2 154.5 1273.9 1428.4
Black 23 15 1 7 15.5 67.4 147.8 1276.5 1424.4
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 80 47 3 30 48.5 60.6 90.3 1278.1 1368.4
White 38 21 1 16 21.5 56.6 55.9 1274.2 1330.1
Black 42 26 2 14 27.0 64.3 121.4 1281.7 1403.1
Standard All 35 17 2 16 18.0 51.4 12.1 1281.8 1294.0
White 16 6 1 9 6.5 40.6 -79.7 1274.7 1195.0
Black 19 11 1 7 11.5 60.5 89.5 1287.9 1377.3
Rapid All 45 30 1 14 30.5 67.8 151.1 1275.2 1426.3
White 22 15 0 7 15.0 68.2 154.5 1273.9 1428.4
Black 23 15 1 7 15.5 67.4 147.8 1276.5 1424.4
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 1150191203 Beukes, B (Benjamin) 3 1.0 1 0 2 33.3 1258.4 -141.7 1116.8 View list
2 1150300545 Lang, L (Liam) 2 2.0 2 0 0 100.0 1287.7 425.0 1712.7 View list
3 1150140699 Marais, A (Alexander) 2 2.0 2 0 0 100.0 1292.0 425.0 1717.0 View list
4 1150308007 Mzizana, U (Ulungile) 2 2.0 2 0 0 100.0 1396.7 425.0 1821.7 View list
5 1160307317 Vazirgiantzikis, A (Andreas) 2 2.0 2 0 0 100.0 1402.6 425.0 1827.6 View list
6 1150142376 Baker, A (Andrew) 2 1.0 1 0 1 50.0 1356.7 0.0 1356.7 View list
7 1150146270 Meyer, D (Declan) 2 1.0 1 0 1 50.0 1242.2 0.0 1242.2 View list
8 1150193532 Stodel, C (Chris) 2 1.0 1 0 1 50.0 1287.7 0.0 1287.7 View list
9 1150136552 Van Der Merwe, S (Schalk Wolf) 2 0.0 0 0 2 0.0 1356.7 -425.0 931.7 View list
10 1160158286 Akemdien, A (Alex) 1 1.0 1 0 0 100.0 1344.9 425.0 1769.9 View list
11 1150307998 Abrahams, D (Danyaal) 1 1.0 1 0 0 100.0 1265.7 425.0 1690.7 View list
12 1120158968 Berry, S (Seth) 1 1.0 1 0 0 100.0 1356.7 425.0 1781.7 View list
13 1160304145 Bartsch, T (Thomas) 1 1.0 1 0 0 100.0 1212.5 425.0 1637.5 View list
14 1160300802 Chang, C (Caelem) 1 1.0 1 0 0 100.0 1356.7 425.0 1781.7 View list
15 1150311442 Brenchley, J (Jake) 1 1.0 1 0 0 100.0 1448.4 425.0 1873.4 View list
16 1170159267 Coetzer, R (Rossouw) 1 1.0 1 0 0 100.0 1448.4 425.0 1873.4 View list
17 1120313007 Cloete, C (Chadley Fernado) 1 1.0 1 0 0 100.0 1356.7 425.0 1781.7 View list
18 2150157088 He, L (Lily) 1 1.0 1 0 0 100.0 1448.4 425.0 1873.4 View list
19 1150162376 Fitzgerald, J (Johan) 1 1.0 1 0 0 100.0 1356.7 425.0 1781.7 View list
20 1140190269 Hou, S (Summer) 1 1.0 1 0 0 100.0 1448.4 425.0 1873.4 View list