PLAYER PAGE

Mikhael Villem Anthonissen

1160306856
Cape Town (WCT)
Personal
Main rating
Rating 1672.3
K-factor 28
Floor 1246.5
Highest 1746.5 (2025-07-01)
Min/Max +/- allowed 76
Rating Change
()
Games 17
Score 8.5
We 13.07
SWe -4.16
Temp +/- -116.5
Penalties 0
Weight perform 1488.6
Final +/- -76.1
New Rating
()
Rating 1596.2
K-factor 28
Floor 1246.5
Highest 1746.5 (2025-07-01)
Min/Max +/- allowed 76.1
Standard rating
Rating 1680.4
K-factor 28
Floor 1255.9
Highest 1755.9 (2025-07-01)
Min/Max +/- allowed 75.1
Rating Change
()
Games 11
Score 4.5
We 8.61
SWe -4.11
Temp +/- -115
Penalties 0
Weight perform 1498.6
Final +/- -75.1
New Rating
()
Rating 1605.3
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 6
Score 4
We 3.47
SWe 0.53
Temp +/- 16.9
Penalties 0
Weight perform 1511
Final +/- +24.5
New Rating
()
Rating 1511
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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 West Coast Open 2026 (U12) Standard 2026-10-10 2026-10-10 West Coast (WCU) 5 1672.3 5 3.5 1635.8 -5.6 Details
2 West Coast Open 2026 (Rapid U12) Rapid 2026-10-10 2026-10-10 West Coast (WCU) 6 1672.3 6 4 1556.6 -12.1 Details
3 CTCF League 2026 (E) Classical 2026-08-15 2026-09-12 Cape Town (WCT) 9 1672.3 6 1 1158.4 -98.8 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Western Cape - Top Schools 2026 (U11 Mix) Standard 2026-09-05 2026-09-06 Cape Winelands (WCW) 6 1650.1 6 5 1783.9 22.2 Details
2 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
3 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
4 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
5 CTCF Open Championship 2026 (U12) Classical 2026-06-13 2026-06-14 Cape Town (WCT) 6 1608 5 4 1751.3 22.6 Details
6 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
7 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
8 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
9 Moja Chess Extravaganza 2026 (B) Classical 2026-04-25 2026-04-30 Cape Town (WCT) 9 1612.8 0 0 500 0 Details
10 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
11 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
12 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
13 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
14 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
15 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
16 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
17 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
18 COGH 2026 (U12) Rapid 2026-01-31 2026-02-01 Cape Town (WCT) 6 1639.8 6 3.5 1506.6 -10 Details
19 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
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 Tshwane Chess Club Clash 2025 (Open) Standard 2025-09-13 2025-09-13 Tshwane (GTP) 5 1633.4 5 4 1584.1 -3 Details
28 2025 Midstream Open Chess Tournament (U10) Standard 2025-08-25 2025-08-25 Tshwane (GTP) 5 1670.4 5 4 1568.2 -9 Details
29 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
30 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
31 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
32 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
33 2025 Menlo Open (U10) Standard 2025-07-26 2025-07-26 Tshwane (GTP) 5 1746.5 5 4 1588.3 -10.1 Details
34 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
35 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
36 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
37 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
38 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
39 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
40 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
41 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
42 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
43 CPH May 2025 (D) Standard 2025-05-03 2025-05-03 Johannesburg Metro (GJM) 5 1615.7 5 4 1585.2 -2 Details
44 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
45 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
46 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
47 Lubowski Open 2025 (B) Standard 2025-03-21 2025-03-22 Tshwane (GTP) 5 1521 5 1 1277.1 -26.1 Details
48 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
49 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
50 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
Game statistics ( )
Games 11
Wins 7
Draws 1
Losses 3
White 6
Black 5
White wins 4
Black wins 3
Score 7.5
Percent 68.2
Dp 154.5
AOR 1438
Performance 1592.6
Game statistics ()
Games 116
Wins 70
Draws 11
Losses 35
White 56
Black 60
White wins 38
Black wins 32
Score 75.5
Percent 65.1
Dp 128.2
AOR 1441.7
Performance 1569.9
Game statistics (History)
Games 372
Wins 250
Draws 23
Losses 99
White 179
Black 193
White wins 127
Black wins 123
Score 261.5
Percent 70.3
Dp 172.5
AOR 1402.3
Performance 1574.8
Rankings (Main)
National
Overall 693
Gender 649
Age group 30
Gender/Age 27
Provincial
Overall 210
Gender 193
Age group 9
Gender/Age 8
Regional
Overall 152
Gender 143
Age group 6
Gender/Age 6
Rankings (Standard)
National
Overall 606
Gender 571
Age group 29
Gender/Age 27
Provincial
Overall 175
Gender 162
Age group 8
Gender/Age 8
Regional
Overall 131
Gender 122
Age group 6
Gender/Age 6
Rankings (Rapid)
National
Overall 484
Gender 438
Age group 41
Gender/Age 33
Provincial
Overall 226
Gender 202
Age group 24
Gender/Age 16
Regional
Overall 120
Gender 111
Age group 14
Gender/Age 11
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 11
Score 7.5
Percent 68.2
Aor 1438
Dp 154.5
Prat 1592.6
Performance ()
Games 116
Score 75.5
Percent 65.1
Aor 1441.7
Dp 128.2
Prat 1569.9
Performance (12 months)
Games 132
Score 85.5
Percent 64.8
Aor 1446.2
Dp 125.6
Prat 1571.8
Performance (History)
Games 372
Score 261.5
Percent 70.3
Aor 1402.3
Dp 172.5
Prat 1574.8
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 Steyn, K (Kahn) 5 1 4 Centurion Chess Open Tournament 2024 (U10) South African Open 2025 (U10 Open) Details
Overall 4 Kuchibhotla, AKA (Achyuta Kartikeya Arjun) 5 2 3 CPH May 2025 (D) MCA Spring Flower Birthday Rapid 2025 (U10) Details
Overall 5 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 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 Kuchibhotla, AKA (Achyuta Kartikeya Arjun) 2 2 0 Rock n Roll Rapid 2025 (Rooks) MCA Spring Flower Birthday Rapid 2025 (U10) Details
Rapid 2 Beukes, B (Benjamin) 2 2 0 UCT Open Chess Championship 2025 (U10) Laerskool Welgemoed Rapid 2026 (U12) Details
Rapid 3 Marcus, Y (Yoni) 2 1 1 Rock n Roll Rapid 2025 (Rooks) Chess Power House Spring Rapid 2025 (D) Details
Rapid 4 van Eck, I (Ian) 2 2 0 Laerskool Welgemoed Rapid 2026 (U12) Curro Chess Open Rapid 2026 (U12) Details
Rapid 5 Akemdien, A (Alex) 2 0 2 COGH 2026 (U12) Curro Chess Open Rapid 2026 (U12) Details