Player Page

Van Der Merwe, A (Adriaan)
Dob: 2010/06/21 (U16)
Gender: Male
Chess SA id: 1100115348
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2023/04/22 (397 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
Curent Raw rating1243.8
Curent Weighted rating1254.4
Curent Weighted performance998.5
Current official/published rating (highest between Raw, WR and WP)1254.4
Current floor (min rating allowed)832.2
Current highest rating achieved1332.2
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)±155.8
Current Raw change used (final)0.0
Projected new Raw rating1243.8
Projected new Weighed rating1252.6
Projected new Weighted performance998.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1252.6
Projected effective change (new Official - current Official)-1.8
Projected new highest rating1332.2
Projected new floor832.2
Projected new K-facor36
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
Curent Raw rating1203.9
Curent Weighted rating1214.1
Curent Weighted performance886.0
Current official/published rating (highest between Raw, WR and WP)1214.1
Current floor (min rating allowed)801.8
Current highest rating achieved1301.8
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)±164.9
Current Raw change used (final)0.0
Projected new Raw rating1203.9
Projected new Weighed rating1212.5
Projected new Weighted performance886.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1212.5
Projected effective change (new Official - current Official)-1.6
Projected new highest rating1301.8
Projected new floor801.8
Projected new K-facor36
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
Curent Raw rating1290.0
Curent Weighted rating1290.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1290.0
Current floor (min rating allowed)790.0
Current highest rating achieved1290.0
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)±145.9
Current Raw change used (final)0.0
Projected new Raw rating1290.0
Projected new Weighed rating1290.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1290.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1290.0
Projected new floor790.0
Projected new K-facor36
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
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)790.0
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor790.0
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 2023 Tshwane South School District CLOSED Individual Championships (U13 Open) 2023/04/22 2023/04/22 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1314.3 1284.9 Analysis
6 Chris Greyling Open Tournament 2023 (C) 2023/03/21 2023/03/21 Tshwane (GTP) Standard 60 0.83 5 4 2.0 1332.2 1301.8 Analysis
5 Laerskool Constantiapark Open Chess Tournament 2023 (U14) 2023/02/18 2023/02/18 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1290.4 1242.0 Analysis
4 RMS Swiss For Rating of Players 2022 (U13) 2022/05/28 2022/05/28 Ekurhuleni (GE) Rapid 30 0.60 7 6 6.0 1233.2 1184.8 Analysis
3 D4 Individuals 2022 (U13 Open) 2022/04/23 2022/04/23 Tshwane (GTP) Rapid 30 0.60 7 7 3.5 1235.8 1200.0 Analysis
2 2019 RMS Laerskole (U9) 2019/06/01 2019/06/01 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1188.0 1186.0 Analysis
1 2019 Lubowski Open Tournament (E) 2019/05/11 2019/05/11 Tshwane (GTP) Standard 90 0.94 5 5 2.5 1200.0 1200.0 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 37 22 3 12 23.5 63.5 114.9 1176.0 1290.9
White 17 12 0 5 12.0 70.6 175.0 1164.1 1339.1
Black 20 10 3 7 11.5 57.5 63.7 1186.2 1249.9
Standard All 24 13 2 9 14.0 58.3 70.8 1171.8 1242.6
White 11 7 0 4 7.0 63.6 115.9 1193.5 1309.4
Black 13 6 2 5 7.0 53.8 32.7 1153.4 1186.1
Rapid All 13 9 1 3 9.5 73.1 196.2 1183.9 1380.0
White 6 5 0 1 5.0 83.3 283.3 1110.2 1393.5
Black 7 4 1 2 4.5 64.3 121.4 1247.1 1368.5
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 2100107820 Labuschagne, M (Melindie) 2 2.0 2 0 0 100.0 1210.6 425.0 1635.6 View list
2 1100139996 De Wet, L (Lambert Hugo) 2 1.0 1 0 1 50.0 1275.0 0.0 1275.0 View list
3 1110109561 Coetzee, M (Marko) 1 1.0 1 0 0 100.0 1290.4 425.0 1715.4 View list
4 1100104912 Chathury, N (Nihal) 1 1.0 1 0 0 100.0 1314.3 425.0 1739.3 View list
5 2090101534 Cannon, NC (Natalie Christene) 1 1.0 1 0 0 100.0 1233.2 425.0 1658.2 View list
6 1100112362 Barnard, H (Hanno) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1090119605 Janssen, A (Alec) 1 1.0 1 0 0 100.0 1233.2 425.0 1658.2 View list
8 209078411 Janse Van Rensburg, AM (Adriana) 1 1.0 1 0 0 100.0 1233.2 425.0 1658.2 View list
9 2110103926 Jacobs, AE (Alyssa) 1 1.0 1 0 0 100.0 1290.4 425.0 1715.4 View list
10 2090101537 Huebsch, J (Jessica) 1 1.0 1 0 0 100.0 1233.2 425.0 1658.2 View list
11 1090116450 El Qouar, T (Tamir) 1 1.0 1 0 0 100.0 1233.2 425.0 1658.2 View list
12 1120137394 Du Bruyn, D (Dylan) 1 1.0 1 0 0 100.0 1332.2 425.0 1757.2 View list
13 1110097361 Kotze, S (Seth) 1 1.0 1 0 0 100.0 1188.0 425.0 1613.0 View list
14 109078402 Matthee, WD (William) 1 1.0 1 0 0 100.0 1235.8 425.0 1660.8 View list
15 1100131212 Makgotlwe, P (Phenyo) 1 1.0 1 0 0 100.0 1235.8 425.0 1660.8 View list
16 1100116468 Molakeng, A (Asemahle) 1 1.0 1 0 0 100.0 1188.0 425.0 1613.0 View list
17 110087847 Ras, JN (Nicolaas) 1 1.0 1 0 0 100.0 1188.0 425.0 1613.0 View list
18 111095070 Tennant, N (Nathan) 1 1.0 1 0 0 100.0 1290.4 425.0 1715.4 View list
19 2110106009 Veldman, C (Chantane) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
20 2090109345 Viljoen, A (Amber) 1 1.0 1 0 0 100.0 1332.2 425.0 1757.2 View list