Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Mikhael Villem Anthonissen

1160306856
Cape Town (WCT)
Personal
Main rating
Rating 1650.1
K-factor 28
Floor 1246.5
Highest 1746.5 (2025-07-01)
Min/Max +/- allowed 76
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1565.7
Final +/- 0
New Rating
()
Rating 1650.1
K-factor 28
Floor 1246.5
Highest 1746.5 (2025-07-01)
Min/Max +/- allowed 76.1
Standard rating
Rating 1662.8
K-factor 28
Floor 1255.9
Highest 1755.9 (2025-07-01)
Min/Max +/- allowed 75.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1594.7
Final +/- 0
New Rating
()
Rating 1662.8
K-factor 28
Floor 1255.9
Highest 1755.9 (2025-07-01)
Min/Max +/- allowed 75.1
Rapid rating
Rating 1486.5
K-factor 32
Floor 954.3
Highest 1525.5 (2025-11-01)
Min/Max +/- allowed 104.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1484.8
Final +/- 0
New Rating
()
Rating 1486.5
K-factor 32
Floor 954.3
Highest 1525.5 (2025-11-01)
Min/Max +/- allowed 104.3
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2024-07-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2024-07-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Curro Chess Open Rapid 2026 (U12) Rapid 2026-08-29 2026-08-29 Cape Town (WCT) 6 1650.1 6 4 1611.2 -3.1 Details
2 Cape Town Metro North Top Schools – Primary Schools 2026 (U11 Mixed) Standard 2026-08-01 2026-08-02 Cape Town (WCT) 6 1650.1 6 5.5 1494.3 11.6 Details
3 South African Open Championship 2026 (U11 Boys) Classical 2026-07-02 2026-07-05 Cape Town (WCT) 7 1646.7 7 5 1617.1 -5.1 Details
4 CTCF Open Championship 2026 (U12) Classical 2026-06-13 2026-06-14 Cape Town (WCT) 6 1608 5 4 1751.3 22.6 Details
5 2026 WCSC PS Individual Championship (U11 Boys) Standard 2026-05-16 2026-05-17 Overberg (WOS) 6 1612.8 6 5 1801.9 31.2 Details
6 Table View Chess Club Junior Chess Championship 2026 (U11) Standard 2026-05-09 2026-05-09 Cape Town (WCT) 5 1612.8 5 3.5 1596.5 -1 Details
7 UWC Chess Club Open Rapid 2026 (Junior) Rapid 2026-05-02 2026-05-02 Cape Town (WCT) 6 1612.8 6 4 1443.8 -17.8 Details
8 Moja Chess Extravaganza 2026 (B) Classical 2026-04-25 2026-04-30 Cape Town (WCT) 9 1612.8 0 0 500 0 Details
9 Moja Chess Extravaganza 2026 (U10) Standard 2026-04-25 2026-04-26 Cape Town (WCT) 5 1612.8 5 3 1474.5 -17.2 Details
10 Chess Elevation Series 5 2026 (Level 5) Standard 2026-04-17 2026-04-18 Cape Town (WCT) 5 1600 5 2 1478.3 -16.4 Details
11 South African Junior Closed Chess Championship 2026 (U10 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1600 9 5.5 1694.7 29.2 Details
12 Steinitz Chess Festival 2026 (Advanced) Standard 2026-03-20 2026-03-22 Cape Town (WCT) 6 1585.1 6 3 1460.6 -22.9 Details
13 CT Metro Schools Individual Closed 2026 (U11 Boys) Standard 2026-03-07 2026-03-08 Cape Town (WCT) 6 1585.1 6 5 1808.2 37.7 Details
14 Chess Elevation Series 3 2026 (Level 5) Standard 2026-02-20 2026-02-21 Cape Town (WCT) 5 1639.8 3 0 1126.5 -30.6 Details
15 Laerskool Welgemoed Rapid 2026 (U12) Rapid 2026-02-14 2026-02-14 Cape Town (WCT) 6 1639.8 6 5 1645.4 0.6 Details
16 CT Metro North Schools Chess Individual Trials 2026 (U11 Boys) Standard 2026-02-07 2026-02-08 Cape Town (WCT) 6 1639.8 6 4 1475.3 -19.1 Details
17 COGH 2026 (U12) Rapid 2026-01-31 2026-02-01 Cape Town (WCT) 6 1639.8 6 3.5 1506.6 -10 Details
18 Four Seasons Summer Slam 2025 (Intermediate) Rapid 2025-12-10 2025-12-10 Cape Town (WCT) 6 1633.6 6 2 1264.8 -24.3 Details
19 Gauteng Inter-Region at Emerald Resort 2025 (U10 Championship) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1633.6 5 3 1652.9 3 Details
20 A & A Invitational Chess Tournament 2025 (U8+U10) Standard 2025-11-29 2025-11-29 Cape Town (WCT) 5 1633.6 5 5 1902.9 25.7 Details
21 UCT Open Chess Championship 2025 (U10) Rapid 2025-10-11 2025-10-11 Cape Town (WCT) 6 1656 6 4 1577.5 -5.8 Details
22 2025 Centurion Chess Open Tournament (U10) Standard 2025-09-27 2025-09-27 Tshwane (GTP) 5 1633.4 5 4.5 1834.7 20.4 Details
23 Fourth Knight Riders Juniors Open Chess Tournament 2025 (C) Standard 2025-08-31 2025-08-31 Johannesburg Metro (GJM) 5 1633.4 5 3 1380.2 -24.2 Details
24 MCA Spring Flower Birthday Rapid 2025 (U10) Rapid 2025-09-20 2025-09-20 Johannesburg Metro (GJM) 5 1633.4 5 5 1836.6 15.4 Details
25 Chess Power House Spring Rapid 2025 (D) Rapid 2025-09-21 2025-09-21 Ekurhuleni (GE) 5 1633.4 5 4 1571.4 -2.7 Details
26 Tshwane Chess Club Clash 2025 (Open) Standard 2025-09-13 2025-09-13 Tshwane (GTP) 5 1633.4 5 4 1584.1 -3 Details
27 2025 Midstream Open Chess Tournament (U10) Standard 2025-08-25 2025-08-25 Tshwane (GTP) 5 1670.4 5 4 1568.2 -9 Details
28 Rock n Roll Rapid 2025 (Rooks) Rapid 2025-08-24 2025-08-24 Ekurhuleni (GE) 5 1670.4 5 5 1720.6 4.3 Details
29 2025 Tshwane South School District CLOSED League Championship (U9A) Standard 2025-08-15 2025-08-15 Tshwane (GTP) 5 1670.4 5 5 1826.3 14.8 Details
30 2025 Etienne Lewis Closed Chess Tournament (U10) Standard 2025-08-08 2025-08-10 Tshwane (GTP) 7 1670.4 7 4 1435.1 -36.6 Details
31 Lonehill Chess Academy - 1st Rated Tournament 2025 (C) Standard 2025-08-02 2025-08-02 Johannesburg Metro (GJM) 5 1670.4 0 0 0 0 Details
32 2025 Menlo Open (U10) Standard 2025-07-26 2025-07-26 Tshwane (GTP) 5 1746.5 5 4 1588.3 -10.1 Details
33 Cape Winelands Open 2025 (U10) Standard 2025-07-19 2025-07-19 Cape Winelands (WCW) 5 1746.5 5 4 1699.6 -4.8 Details
34 South African Open 2025 (U10 Open) Classical 2025-07-03 2025-07-05 Johannesburg Metro (GJM) 5 1746.5 5 2 1359.3 -44.2 Details
35 Third Knight Riders Junior Open 2025 (U10) Standard 2025-06-22 2025-06-22 Johannesburg Metro (GJM) 5 1694.4 5 5 1777.1 8 Details
36 2025 Elise Steenkamp Open Chess Tournament (Knight) Standard 2025-06-14 2025-06-15 Tshwane (GTP) 5 1694.4 5 5 1859.4 19.3 Details
37 Knight Riders Juniors Open Chess Tournament 2025 (U10) Standard 2025-05-24 2025-05-24 Johannesburg Metro (GJM) 5 1615.7 5 4 1658.6 3.7 Details
38 Mzansi Africa Classic 2025 (Rising Stars) Standard 2025-05-17 2025-05-17 Johannesburg Metro (GJM) 5 1615.7 5 4.5 1816.2 20.4 Details
39 Chess Power House Randburg Rapid 2025 (B) Rapid 2025-05-11 2025-05-11 Johannesburg Metro (GJM) 5 1615.7 4 3 1558.9 -1.9 Details
40 Moja Chess Extravaganza 2025 (U10) Classical 2025-04-26 2025-04-28 Johannesburg Metro (GJM) 5 1615.7 5 4.5 1810.2 23.8 Details
41 JMC Crawford Sandton 2025 (U10) Standard 2025-05-10 2025-05-10 Johannesburg Metro (GJM) 5 1615.7 5 4 1746.1 12.1 Details
42 CPH May 2025 (D) Standard 2025-05-03 2025-05-03 Johannesburg Metro (GJM) 5 1615.7 5 4 1585.2 -2 Details
43 Chess Molecules Open Tournament 2025 (D) Rapid 2025-04-19 2025-04-19 Johannesburg Metro (GJM) 5 1576.7 5 4 1635.2 4.8 Details
44 2025 Mid Gauteng Open Chess Tournament (U12) Standard 2025-04-12 2025-04-12 Tshwane (GTP) 5 1576.7 5 3.5 1605.1 3.7 Details
45 South African Junior Closed Chess Championships 2025 (U10 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1576.7 9 6 1655.3 16 Details
46 Lubowski Open 2025 (B) Standard 2025-03-21 2025-03-22 Tshwane (GTP) 5 1521 5 1 1277.1 -26.1 Details
47 2nd Knight Riders Junior Open 2025 (C) Standard 2025-03-23 2025-03-23 Johannesburg Metro (GJM) 5 1521 5 4 1601 8.6 Details
48 2025 Chris Greyling Open Chess Tournament (U10) Standard 2025-03-15 2025-03-15 Tshwane (GTP) 5 1521 5 5 1838.6 31.9 Details
49 AHS Open Chess Tournament 2025 (U10) Standard 2025-03-01 2025-03-01 Tshwane (GTP) 5 1521 5 4.5 1703.5 17.3 Details
50 Constantiapark Open 2025 (U10) Standard 2025-02-15 2025-02-15 Tshwane (GTP) 5 1483.6 5 5 1752 25.7 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 93
Wins 57
Draws 10
Losses 26
White 45
Black 48
White wins 32
Black wins 25
Score 62
Percent 66.7
Dp 141.7
AOR 1438.3
Performance 1580
Game statistics (History)
Games 349
Wins 237
Draws 22
Losses 90
White 168
Black 181
White wins 121
Black wins 116
Score 248
Percent 71.1
Dp 179
AOR 1398.8
Performance 1577.8
Rankings (Main)
National
Overall 783
Gender 733
Age group 35
Gender/Age 32
Provincial
Overall 224
Gender 206
Age group 10
Gender/Age 9
Regional
Overall 162
Gender 152
Age group 7
Gender/Age 7
Rankings (Standard)
National
Overall 670
Gender 627
Age group 30
Gender/Age 27
Provincial
Overall 190
Gender 174
Age group 10
Gender/Age 9
Regional
Overall 141
Gender 132
Age group 7
Gender/Age 7
Rankings (Rapid)
National
Overall 474
Gender 430
Age group 41
Gender/Age 33
Provincial
Overall 214
Gender 190
Age group 25
Gender/Age 17
Regional
Overall 118
Gender 109
Age group 15
Gender/Age 12
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 93
Score 62
Percent 66.7
Aor 1438.3
Dp 141.7
Prat 1580
Performance (12 months)
Games 135
Score 93.5
Percent 69.3
Aor 1435.6
Dp 163.7
Prat 1599.3
Performance (History)
Games 349
Score 248
Percent 71.1
Aor 1398.8
Dp 179
Prat 1577.8
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Khosana, O (Onalerona) 9 5 4 2024 Tuks Open Chess Tournament (U10) 2025 Centurion Chess Open Tournament (U10) Details
Overall 2 Akemdien, A (Alex) 8 2 6 South African Junior Closed Chess Championships 2025 (U10 Open) Curro Chess Open Rapid 2026 (U12) Details
Overall 3 Janse Van Rensburg, A (Ava) 5 3 2 Laerskool Doringkloof Primary Open Chess Tournament 2024 (U10) 2025 Tshwane South School District CLOSED League Championship (U9A) Details
Overall 4 Steyn, K (Kahn) 5 1 4 Centurion Chess Open Tournament 2024 (U10) South African Open 2025 (U10 Open) Details
Overall 5 Kuchibhotla, AKA (Achyuta Kartikeya Arjun) 5 2 3 CPH May 2025 (D) MCA Spring Flower Birthday Rapid 2025 (U10) Details
Standard 1 Khosana, O (Onalerona) 9 5 4 2024 Tuks Open Chess Tournament (U10) 2025 Centurion Chess Open Tournament (U10) Details
Standard 2 Akemdien, A (Alex) 6 2 4 South African Junior Closed Chess Championships 2025 (U10 Open) Table View Chess Club Junior Chess Championship 2026 (U11) Details
Standard 3 Janse Van Rensburg, A (Ava) 5 3 2 Laerskool Doringkloof Primary Open Chess Tournament 2024 (U10) 2025 Tshwane South School District CLOSED League Championship (U9A) Details
Standard 4 Erdogan, D (Demir) 4 3 1 Lardies Ope 2024 (U10) 2025 Etienne Lewis Closed Chess Tournament (U10) Details
Standard 5 Steyn, K (Kahn) 4 1 3 Centurion Chess Open Tournament 2024 (U10) South African Open 2025 (U10 Open) Details
Rapid 1 Beukes, B (Benjamin) 2 2 0 UCT Open Chess Championship 2025 (U10) Laerskool Welgemoed Rapid 2026 (U12) Details
Rapid 2 van Eck, I (Ian) 2 2 0 Laerskool Welgemoed Rapid 2026 (U12) Curro Chess Open Rapid 2026 (U12) Details
Rapid 3 Akemdien, A (Alex) 2 0 2 COGH 2026 (U12) Curro Chess Open Rapid 2026 (U12) Details
Rapid 4 Kuchibhotla, AKA (Achyuta Kartikeya Arjun) 2 2 0 Rock n Roll Rapid 2025 (Rooks) MCA Spring Flower Birthday Rapid 2025 (U10) Details
Rapid 5 Lipshitz, B (Blake) 2 2 0 Rock n Roll Rapid 2025 (Rooks) Chess Power House Spring Rapid 2025 (D) Details