Player Page

Adriaanse, GJ (Gerswin)
Dob: 1977/05/25 (Adult)
Gender: Male
Chess SA id: 177000298
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2023/09/09 (289 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 rating1372.4
Current Weighted rating1370.6
Current Weighted performance775.8
Current official/published rating (highest between Raw, WR and WP)1372.4
Current highest rating achieved1380.0
Current floor (min rating allowed)880.0
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)±129.7
Current Raw change used (final)0.0
Projected new Raw rating1372.4
Projected new Weighed rating1261.1
Projected new Weighted performance775.8
Projected new final Raw rating (if new WP > new Raw)1372.4
Projected new highest rating1380.0
Projected new floor880.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1372.4
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 rating1364.1
Current Weighted rating1361.7
Current Weighted performance726.2
Current official/published rating (highest between Raw, WR and WP)1364.1
Current highest rating achieved1370.6
Current floor (min rating allowed)870.6
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)±131.2
Current Raw change used (final)0.0
Projected new Raw rating1364.1
Projected new Weighed rating1252.9
Projected new Weighted performance726.2
Projected new final Raw rating (if new WP > new Raw)1364.1
Projected new highest rating1370.6
Projected new floor870.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1364.1
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 rating1324.1
Current Weighted rating1324.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1324.1
Current highest rating achieved1324.1
Current floor (min rating allowed)824.1
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)±138.9
Current Raw change used (final)0.0
Projected new Raw rating1324.1
Projected new Weighed rating1218.2
Projected new Weighted performance191.9
Projected new final Raw rating (if new WP > new Raw)1324.1
Projected new highest rating1324.1
Projected new floor824.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1324.1
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 rating1306.2
Current Weighted rating1306.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1306.2
Current highest rating achieved1318.0
Current floor (min rating allowed)818.0
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)±142.5
Current Raw change used (final)0.0
Projected new Raw rating1306.2
Projected new Weighed rating1201.7
Projected new Weighted performance303.9
Projected new final Raw rating (if new WP > new Raw)1306.2
Projected new highest rating1318.0
Projected new floor818.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1306.2
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 WP Club League 2023 (D2) 2023/08/05 2023/08/26 Cape Town (WCT) Standard 70 0.87 6 1 1.0 1365.3 1355.1 Analysis
8 WP Club League 2023 (A) 2023/07/29 2023/09/09 Cape Town (WCT) Standard 120 1.00 11 8 1.5 1380.0 1370.6 Analysis
7 Bellville Rapid Oct 2019 2019/10/14 2019/10/14 Cape Town (WCT) Rapid 15 0.39 6 3 1.0 1364.5 1318.0 Analysis
6 Bellville Blitz 2019 2019/09/16 2019/09/16 Cape Town (WCT) Blitz 8 0.25 6 6 4.0 1361.5 1242.8 Analysis
5 2019 Western Province League (B) 2019/07/27 2019/09/07 Cape Town (WCT) Standard 120 1.00 11 8 3.5 1361.5 1369.5 Analysis
4 Bellville Club Champs 2019 (B) 2019/02/04 2019/05/27 Cape Town (WCT) Standard 90 0.94 11 9 6.0 1313.1 1325.2 Analysis
3 Bellville Chess Club 01 Blitz Tournament 2019 2019/01/28 2019/01/28 Cape Town (WCT) Blitz 5 0.18 7 7 3.0 1325.0 1318.0 Analysis
2 2018 Western Province League (E) 2018/08/04 2018/09/15 Cape Town (WCT) Standard 60 0.83 7 4 1.5 1345.9 1351.5 Analysis
1 Bellville Club Champs 2018 (Group 3) 2018/04/23 2018/06/04 Cape Town (WCT) Standard 75 0.89 5 3 3.0 1318.0 1318.0 Analysis
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 49 20 9 20 24.5 50.0 0.0 1363.1 1363.1
White 21 8 4 9 10.0 47.6 -20.2 1391.8 1371.5
Black 28 12 5 11 14.5 51.8 15.2 1341.6 1356.8
Standard All 33 13 7 13 16.5 50.0 0.0 1383.0 1383.0
White 12 2 4 6 4.0 33.3 -141.7 1425.7 1284.0
Black 21 11 3 7 12.5 59.5 81.0 1358.6 1439.6
Rapid All 3 1 0 2 1.0 33.3 -141.7 1536.6 1394.9
White 2 0 0 2 0.0 0.0 -425.0 1711.3 1286.3
Black 1 1 0 0 1.0 100.0 425.0 1187.3 1612.3
Blitz All 13 6 2 5 7.0 53.8 32.7 1272.5 1305.2
White 7 6 0 1 6.0 85.7 303.6 1242.3 1545.9
Black 6 0 2 4 1.0 16.7 -283.3 1307.6 1024.3
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 211087036 Osborne, H (Hannah) 2 2.0 2 0 0 100.0 1344.8 425.0 1769.8 View list
2 1920108259 Magwembere, A (Adrian) 2 1.0 1 0 1 50.0 1343.3 0.0 1343.3 View list
3 189088910 Maritz, J (Jean) 2 0.5 0 1 1 25.0 1319.0 -212.5 1106.5 View list
4 1040097954 Coetzee, A (Aden) 2 0.0 0 0 2 0.0 1353.7 -425.0 928.7 View list
5 166032709 Roux, A (Andre) 2 0.0 0 0 2 0.0 1319.0 -425.0 894.0 View list
6 162027201 Nel, O (Ovidius) 1 1.0 1 0 0 100.0 1318.0 425.0 1743.0 View list
7 1990097424 Mbendeni, S (Siyakudumisa Kenneth) 1 1.0 1 0 0 100.0 1380.0 425.0 1805.0 View list
8 2100109062 Mayekiso, A (Amila) 1 1.0 1 0 0 100.0 1365.3 425.0 1790.3 View list
9 188002608 Booysen, DF (Don-Fredo) 1 1.0 1 0 0 100.0 1361.5 425.0 1786.5 View list
10 100052481 Le Roux, M (Murray) 1 1.0 1 0 0 100.0 1313.1 425.0 1738.1 View list
11 2030107204 Osborne, N (Nicole) 1 1.0 1 0 0 100.0 1361.5 425.0 1786.5 View list
12 106085447 Prinsloo, R (Reinhardt) 1 1.0 1 0 0 100.0 1313.1 425.0 1738.1 View list
13 174094588 Rae, C (Campbell) 1 1.0 1 0 0 100.0 1318.0 425.0 1743.0 View list
14 176032855 Russouw, DJ (Daniel) 1 1.0 1 0 0 100.0 1313.1 425.0 1738.1 View list
15 1000118955 Steenberg, C (Chad) 1 1.0 1 0 0 100.0 1361.5 425.0 1786.5 View list
16 177092940 Steenkamp, M (Malan) 1 1.0 1 0 0 100.0 1313.1 425.0 1738.1 View list
17 105065071 Swart, S (Steffan) 1 1.0 1 0 0 100.0 1318.0 425.0 1743.0 View list
18 2080117986 Vermeulen, I (Inge) 1 1.0 1 0 0 100.0 1361.5 425.0 1786.5 View list
19 1720117948 Vermeulen, L (Leonardus) 1 1.0 1 0 0 100.0 1361.5 425.0 1786.5 View list
20 199065235 Visage, P (Philip) 1 1.0 1 0 0 100.0 1325.0 425.0 1750.0 View list