Chess South Africa
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Chess South Africa
Van Der Merwe, A (Alexander)
Dob:
2005/05/04 (U20)
Gender:
Male
Chess SA id:
105057149
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/01/04 (131 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
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 rating
2038.0
Curent Weighted rating
1992.1
Curent Weighted performance
1809.8
Current official/published rating (highest between Raw, WR and WP)
2038.0
Current floor (min rating allowed)
1538.0
Current highest rating achieved
2038.0
Current K-factor
20
Games played this month
0
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)
±50.2
Current Raw change used (final)
0.0
Projected new Raw rating
2038.0
Projected new Weighed rating
1998.5
Projected new Weighted performance
1809.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
2038.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
2038.0
Projected new floor
1538.0
Projected new K-facor
20
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 rating
2047.5
Curent Weighted rating
1996.5
Curent Weighted performance
1814.0
Current official/published rating (highest between Raw, WR and WP)
2047.5
Current floor (min rating allowed)
1547.5
Current highest rating achieved
2047.5
Current K-factor
20
Games played this month
0
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)
±49.6
Current Raw change used (final)
0.0
Projected new Raw rating
2047.5
Projected new Weighed rating
2003.2
Projected new Weighted performance
1814.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
2047.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
2047.5
Projected new floor
1547.5
Projected new K-facor
20
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 rating
1835.7
Curent Weighted rating
1722.9
Curent Weighted performance
1178.1
Current official/published rating (highest between Raw, WR and WP)
1835.7
Current floor (min rating allowed)
1335.7
Current highest rating achieved
1835.7
Current K-factor
24
Games played this month
0
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)
±67.0
Current Raw change used (final)
0.0
Projected new Raw rating
1835.7
Projected new Weighed rating
1734.5
Projected new Weighted performance
1178.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1835.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1835.7
Projected new floor
1335.7
Projected new K-facor
24
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 rating
1555.0
Curent Weighted rating
1523.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1555.0
Current floor (min rating allowed)
1335.7
Current highest rating achieved
1571.1
Current K-factor
32
Games played this month
0
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)
±100.0
Current Raw change used (final)
0.0
Projected new Raw rating
1555.0
Projected new Weighed rating
1526.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1555.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1571.1
Projected new floor
1335.7
Projected new K-facor
32
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
XXXIV Miedzynarodowy Festiwal Szachowy CRACOVIA 2023
2023/12/27
2024/01/04
Poland (POL)
Standard
150
1.00
9
8
3.0
2000.6
2011.7
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
61
XXXIV Miedzynarodowy Festiwal Szachowy CRACOVIA 2023
2023/12/27
2024/01/04
Poland (POL)
Standard
150
1.00
9
8
3.0
2000.6
2011.7
Analysis
60
2023 SA Schools Winter Games (U18 Open)
2023/07/04
2023/07/06
West Rand (GWR)
Standard
65
0.85
7
7
6.5
1992.0
1990.9
Analysis
59
Hermanus Rapid 2023 (A)
2023/04/22
2023/04/22
Overberg (WOS)
Rapid
25
0.54
6
6
4.5
1989.0
1639.4
Analysis
58
Western Cape HS Individuals 2023 (U19 Boys)
2023/04/01
2023/04/02
Cape Town (WCT)
Standard
60
0.83
6
6
5.5
1989.0
1983.2
Analysis
57
Cape Winelands Schools Chess - Trials 1 2023 (U19 Boys)
2023/02/25
2023/02/25
Cape Winelands (WCW)
Standard
60
0.83
5
5
5.0
1988.6
1982.7
Analysis
56
XXXIII Miedzynarodowy Festiwal Szachowy CRACOVIA 2022
2022/12/27
2023/01/04
Poland (POL)
Standard
150
1.00
9
9
7.0
1896.1
1899.7
Analysis
55
World Junior Chess Championship 2022
2022/10/12
2022/10/22
FIDE (FID)
Standard
150
1.00
11
11
4.5
1836.9
1854.3
Analysis
54
Western Cape Closed Championship 2022 (Championship)
2022/09/24
2022/09/25
Cape Winelands (WCW)
Standard
70
0.87
6
6
4.0
1800.8
1819.5
Analysis
53
Western Cape Top Schools 2022 (U18 Mix)
2022/09/16
2022/09/17
Overberg (WOS)
Standard
60
0.83
5
5
5.0
1800.8
1819.5
Analysis
52
Cape Winelands Schools Top Schools 2022 (U18 Mix)
2022/08/27
2022/08/27
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.5
1803.0
1824.8
Analysis
51
2022 Western Province Club League (Premier)
2022/08/20
2022/10/01
Cape Town (WCT)
Standard
120
1.00
11
5
2.5
1836.9
1854.3
Analysis
50
South African Open 2022 (Blitz)
2022/07/14
2022/07/14
Cape Town (WCT)
Blitz
5
0.18
10
10
6.0
1854.1
1571.1
Analysis
49
South African Open 2022 (Championship)
2022/07/09
2022/07/17
Cape Town (WCT)
Standard
120
1.00
11
11
6.0
1854.1
1873.3
Analysis
48
WP Closed 2022 (A)
2022/06/16
2022/06/16
Cape Town (WCT)
Standard
120
1.00
7
7
1.5
1885.1
1905.0
Analysis
47
South African Junior Closed Chess Championships 2022 (U18 Open)
2022/03/28
2022/04/02
Chess South Africa (CSA)
Standard
120
1.00
11
10
9.5
1852.5
1878.8
Analysis
46
Western Cape Inter Region Cup 2021 (Senior)
2022/03/04
2022/03/06
West Coast (WCU)
Standard
90
0.94
5
4
3.5
1843.7
1870.6
Analysis
45
2022 Cape Of Good Hope Open (Championship)
2022/01/28
2022/01/30
Cape Town (WCT)
Standard
90
0.94
6
6
4.5
1803.5
1807.1
Analysis
44
Kraaifontein Open 2022 (Championship)
2022/01/07
2022/01/09
Cape Town (WCT)
Standard
90
0.94
6
6
4.0
1803.5
1807.1
Analysis
43
Western Cape Schools 2021 (U18 Boys)
2021/10/23
2021/10/23
Overberg (WOS)
Rapid
35
0.66
5
5
4.0
1801.7
1591.4
Analysis
42
Cape Winelands Schools Trials 2021 (U18 Boys)
2021/10/16
2021/10/16
Cape Winelands (WCW)
Rapid
30
0.60
5
5
5.0
1801.7
1591.4
Analysis
1
2
3
4
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
4
1
0
3
1.0
25.0
-212.5
2374.9
2162.4
White
2
1
0
1
1.0
50.0
0.0
2307.4
2307.4
Black
2
0
0
2
0.0
0.0
-425.0
2442.5
2017.5
Standard
All
4
1
0
3
1.0
25.0
-212.5
2374.9
2162.4
White
2
1
0
1
1.0
50.0
0.0
2307.4
2307.4
Black
2
0
0
2
0.0
0.0
-425.0
2442.5
2017.5
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
414
239
63
112
270.5
65.3
130.4
1594.8
1725.2
White
205
116
30
59
131.0
63.9
118.2
1597.3
1715.5
Black
209
123
33
53
139.5
66.7
142.3
1592.3
1734.6
Standard
All
307
160
57
90
188.5
61.4
96.9
1664.6
1761.5
White
154
77
28
49
91.0
59.1
77.3
1659.8
1737.1
Black
153
83
29
41
97.5
63.7
116.7
1669.4
1786.0
Rapid
All
70
58
5
7
60.5
86.4
309.6
1312.7
1622.3
White
33
28
2
3
29.0
87.9
322.0
1311.2
1633.2
Black
37
30
3
4
31.5
85.1
298.6
1314.0
1612.7
Blitz
All
37
21
1
15
21.5
58.1
68.9
1549.5
1618.5
White
18
11
0
7
11.0
61.1
94.4
1587.5
1682.0
Black
19
10
1
8
10.5
55.3
44.7
1513.5
1558.3
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
105090611
Mnyasta, T (Tezihano)
10
4.5
4
1
5
45.0
1753.3
-42.5
1710.8
View list
2
197076467
Mncwabe, M (Minenhle Junior)
6
3.5
2
3
1
58.3
1729.6
70.8
1800.5
View list
3
104006413
De Jager, AJ (Andreas)
6
2.0
1
2
3
33.3
1698.9
-141.7
1557.2
View list
4
107053637
Palmer, RN (Reegan)
5
5.0
5
0
0
100.0
1734.7
425.0
2159.7
View list
5
1050097108
Segelaar, G (Geriant)
5
4.5
4
1
0
90.0
1798.5
340.0
2138.5
View list
6
101033066
Samuels, ER (Ethan)
5
1.0
1
0
4
20.0
1726.7
-255.0
1471.7
View list
7
293034027
Selkirk, RJ (Rebecca)
4
2.5
2
1
1
62.5
1685.4
106.3
1791.6
View list
8
100040966
Van Zyl, A (Albrecht)
4
2.0
2
0
2
50.0
1789.3
0.0
1789.3
View list
9
105077311
Brander, WWM (Waylon)
4
2.0
1
2
1
50.0
1754.3
0.0
1754.3
View list
10
184042918
Willenberg, KS (Kenneth)
4
1.0
0
2
2
25.0
1741.6
-212.5
1529.1
View list
11
105000068
Abrahams, B (Basheer)
3
3.0
3
0
0
100.0
1646.0
425.0
2071.0
View list
12
1050106200
Braaf, J (Jiraan)
3
3.0
3
0
0
100.0
1749.1
425.0
2174.1
View list
13
105088335
Taute, C (Clayden)
3
3.0
3
0
0
100.0
1881.6
425.0
2306.6
View list
14
104046622
Coetzee, P (Philip)
3
2.5
2
1
0
83.3
1657.8
283.3
1941.1
View list
15
106078134
Geyser, K (Kobus)
3
2.5
2
1
0
83.3
1738.7
283.3
2022.0
View list
16
105058538
Smit, D (Devon)
3
2.5
2
1
0
83.3
1595.4
283.3
1878.7
View list
17
102071991
Hemeni, S (Simamnkele)
3
2.0
2
0
1
66.7
1729.5
141.7
1871.2
View list
18
108072311
Karsten, JD (Jan)
3
2.0
2
0
1
66.7
1801.2
141.7
1942.9
View list
19
105009732
Fourie, B (Brandon)
3
2.0
1
2
0
66.7
1660.6
141.7
1802.2
View list
20
163002189
Bhawoodien, SH (Shabier)
3
1.5
1
1
1
50.0
1829.8
0.0
1829.8
View list