Player Page

Marais, AJ (Alwyn)
Dob: 2005/01/17 (U20)
Gender: Male
Chess SA id: 105020688
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2022/08/26 (669 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 rating1335.0
Current Weighted rating1335.0
Current Weighted performance714.6
Current official/published rating (highest between Raw, WR and WP)1335.0
Current highest rating achieved1335.0
Current floor (min rating allowed)835.0
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)±136.8
Current Raw change used (final)0.0
Projected new Raw rating1335.0
Projected new Weighed rating1228.2
Projected new Weighted performance714.6
Projected new final Raw rating (if new WP > new Raw)1335.0
Projected new highest rating1335.0
Projected new floor835.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1335.0
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 rating1340.0
Current Weighted rating1340.0
Current Weighted performance714.6
Current official/published rating (highest between Raw, WR and WP)1340.0
Current highest rating achieved1340.0
Current floor (min rating allowed)840.0
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)±135.8
Current Raw change used (final)0.0
Projected new Raw rating1340.0
Projected new Weighed rating1232.8
Projected new Weighted performance714.6
Projected new final Raw rating (if new WP > new Raw)1340.0
Projected new highest rating1340.0
Projected new floor840.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1340.0
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 rating1330.1
Current Weighted rating1330.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1330.1
Current highest rating achieved1330.1
Current floor (min rating allowed)830.1
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)±137.8
Current Raw change used (final)0.0
Projected new Raw rating1330.1
Projected new Weighed rating1223.7
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1330.1
Projected new floor830.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1330.1
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 rating1330.1
Current Weighted rating1330.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1330.1
Current highest rating achieved1330.1
Current floor (min rating allowed)830.1
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)±137.8
Current Raw change used (final)0.0
Projected new Raw rating1330.1
Projected new Weighed rating1223.7
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1330.1
Projected new floor830.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1330.1
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
13 2022 Gauteng Schools Team Championships (U19 Open) 2022/08/26 2022/08/26 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1325.1 1329.9 Analysis
12 2019 South African Top Schools Team Championships (U15+U17 Open) 2020/01/10 2020/01/11 4 Knights (4K) Standard 90 0.94 5 4 3.0 1286.2 1289.6 Analysis
11 2019 D4 Tshwane South Schools League Team Finals (U15) 2019/07/27 2019/07/27 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1250.9 1246.8 Analysis
10 South African Junior Team Championships 2018 (U14A) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 5.0 1243.0 1238.9 Analysis
9 2018 Gauteng North Open (B) 2018/10/20 2018/10/21 Tshwane (GTP) Standard 90 0.94 5 4 1.0 1275.8 1273.5 Analysis
8 2018 Etienne Lewis Trials (U14 Boys) 2018/08/31 2018/09/02 Tshwane (GTP) Standard 120 1.00 7 7 4.0 1252.8 1249.7 Analysis
7 2018 D4 Tshwane South Schools League Finals (U13) 2018/08/03 2018/08/03 Tshwane (GTP) Standard 60 0.83 5 3 1.5 1257.6 1255.8 Analysis
6 2018 Capablanca RR (E) 2018/04/26 2018/05/01 Tshwane (GTP) Standard 135 1.00 9 9 4.0 1241.8 1238.5 Analysis
5 2018 South African Junior Closed Chess Championships (U14 Open) 2018/04/01 2018/04/07 Chess South Africa (CSA) Standard 120 1.00 11 11 4.0 1250.1 1243.2 Analysis
4 2018 Blou Bul Open (B) 2018/02/17 2018/02/17 Tshwane (GTP) Standard 60 0.83 5 4 0.0 1305.7 1310.9 Analysis
3 2018 Tshwane Registration Open Chess Tournament (B) 2018/01/27 2018/01/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1330.1 1330.1 Analysis
2 South African Junior Wildcard Championships 2017 (U14 Open) 2018/01/09 2018/01/12 4 Knights (4K) Standard 120 1.00 7 7 5.0 1330.1 1330.1 Analysis
1 South African Junior Team Championships 2017 (U14A) 2018/01/04 2018/01/08 4 Knights (4K) Standard 120 1.00 7 7 5.5 1330.1 1330.1 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 78 39 10 29 44.0 56.4 54.5 1227.0 1281.5
White 40 23 5 12 25.5 63.8 116.9 1191.4 1308.3
Black 38 16 5 17 18.5 48.7 -11.2 1264.5 1253.3
Standard All 78 39 10 29 44.0 56.4 54.5 1227.0 1281.5
White 40 23 5 12 25.5 63.8 116.9 1191.4 1308.3
Black 38 16 5 17 18.5 48.7 -11.2 1264.5 1253.3
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 106028748 Odendaal, MM (Mikhal) 3 1.5 1 1 1 50.0 1250.7 0.0 1250.7 View list
2 107053924 Vather, S (Shayur) 2 1.0 1 0 1 50.0 1293.8 0.0 1293.8 View list
3 194089884 Koaile, T (Thapelo) 2 0.0 0 0 2 0.0 1258.8 -425.0 833.8 View list
4 105049483 Nair, M (Mayaskar) 2 0.0 0 0 2 0.0 1290.1 -425.0 865.1 View list
5 104086479 Hlongwane, B (Blessing) 1 1.0 1 0 0 100.0 1330.1 425.0 1755.1 View list
6 150004310 Cavanagh, K (Keith) 1 1.0 1 0 0 100.0 1241.8 425.0 1666.8 View list
7 106044567 Buitendag, TS (Tristan) 1 1.0 1 0 0 100.0 1252.8 425.0 1677.8 View list
8 2050118307 Botha, M (Marieka) 1 1.0 1 0 0 100.0 1286.2 425.0 1711.2 View list
9 104073101 De Kock, C (Cian) 1 1.0 1 0 0 100.0 1330.1 425.0 1755.1 View list
10 104044923 De Beer, T (Tiaan) 1 1.0 1 0 0 100.0 1330.1 425.0 1755.1 View list
11 101005806 Cruywagen, D (Dewan) 1 1.0 1 0 0 100.0 1241.8 425.0 1666.8 View list
12 105052712 Govender, T (Trevaden) 1 1.0 1 0 0 100.0 1250.1 425.0 1675.1 View list
13 1050112473 Boafo, E (Edin) 1 1.0 1 0 0 100.0 1250.9 425.0 1675.9 View list
14 105050727 Fourie, G (Gerhardt) 1 1.0 1 0 0 100.0 1330.1 425.0 1755.1 View list
15 104073254 James, T (Tumiso) 1 1.0 1 0 0 100.0 1330.1 425.0 1755.1 View list
16 1070155480 Keetse, A (Anthony) 1 1.0 1 0 0 100.0 1325.1 425.0 1750.1 View list
17 183084909 Kgosimotswedi, AM (Aaron) 1 1.0 1 0 0 100.0 1330.1 425.0 1755.1 View list
18 105057058 Kruger, MJ (Matthew) 1 1.0 1 0 0 100.0 1250.1 425.0 1675.1 View list
19 106066129 Macdonald, B (Brandon) 1 1.0 1 0 0 100.0 1243.0 425.0 1668.0 View list
20 1060118420 Mohlala, K (Kgaogelo) 1 1.0 1 0 0 100.0 1325.1 425.0 1750.1 View list