PLAYER PAGE

Mikhael Villem Anthonissen

1160306856
Cape Town (WCT)
Personal
Main rating
Rating 1646.7
K-factor 28
Floor 1246.5
Highest 1746.5 (2025-07-01)
Min/Max +/- allowed 76
Rating Change
()
Games 7
Score 5
We 5.18
SWe -0.18
Temp +/- -5.1
Penalties 0
Weight perform 1648.2
Final +/- +1.5
New Rating
()
Rating 1648.2
K-factor 28
Floor 1246.5
Highest 1746.5 (2025-07-01)
Min/Max +/- allowed 76.1
Standard rating
Rating 1659.9
K-factor 28
Floor 1255.9
Highest 1755.9 (2025-07-01)
Min/Max +/- allowed 75.1
Rating Change
()
Games 7
Score 5
We 5.38
SWe -0.38
Temp +/- -10.7
Penalties 0
Weight perform 1654.8
Final +/- -10.7
New Rating
()
Rating 1649.2
K-factor 28
Floor 1255.9
Highest 1755.9 (2025-07-01)
Min/Max +/- allowed 75.1
Rapid rating
Rating 1453.8
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 1430.8
Final +/- 0
New Rating
()
Rating 1453.8
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 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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 CTCF Open Championship 2026 (U12) Classical 2026-06-13 2026-06-14 Cape Town (WCT) 6 1608 5 4 1751.3 22.6 Details
2 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
3 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
4 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
5 Moja Chess Extravaganza 2026 (B) Classical 2026-04-25 2026-04-30 Cape Town (WCT) 9 1612.8 0 0 500 0 Details
6 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
7 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
8 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
9 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
10 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
11 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
12 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
13 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
14 COGH 2026 (U12) Rapid 2026-01-31 2026-02-01 Cape Town (WCT) 6 1639.8 6 3.5 1506.6 -10 Details
15 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
16 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
17 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
18 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
19 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
20 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
21 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
22 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
23 Tshwane Chess Club Clash 2025 (Open) Standard 2025-09-13 2025-09-13 Tshwane (GTP) 5 1633.4 5 4 1584.1 -3 Details
24 2025 Midstream Open Chess Tournament (U10) Standard 2025-08-25 2025-08-25 Tshwane (GTP) 5 1670.4 5 4 1568.2 -9 Details
25 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
26 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
27 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
28 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
29 2025 Menlo Open (U10) Standard 2025-07-26 2025-07-26 Tshwane (GTP) 5 1746.5 5 4 1588.3 -10.1 Details
30 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
31 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
32 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
33 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
34 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
35 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
36 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
37 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
38 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
39 CPH May 2025 (D) Standard 2025-05-03 2025-05-03 Johannesburg Metro (GJM) 5 1615.7 5 4 1585.2 -2 Details
40 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
41 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
42 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
43 Lubowski Open 2025 (B) Standard 2025-03-21 2025-03-22 Tshwane (GTP) 5 1521 5 1 1277.1 -26.1 Details
44 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
45 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
46 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
47 Constantiapark Open 2025 (U10) Standard 2025-02-15 2025-02-15 Tshwane (GTP) 5 1483.6 5 5 1752 25.7 Details
48 2025 Blou Bul Open Chess Tournament (C) Standard 2025-02-08 2025-02-08 Tshwane (GTP) 5 1483.6 5 2 1302.2 -16.9 Details
49 2025 Piet Robbertse Fide Rated Open Chess Tournament (C) Standard 2025-02-01 2025-02-02 Tshwane (GTP) 5 1483.6 5 3 1535 4.9 Details
50 2025 Tshwane Chess OPEN Registration Tournament (U10) Standard 2025-01-25 2025-01-25 Tshwane (GTP) 5 1580.1 5 4.5 1671.4 8.5 Details
Game statistics ( )
Games 7
Wins 5
Draws 0
Losses 2
White 3
Black 4
White wins 3
Black wins 2
Score 5
Percent 71.4
Dp 182.1
AOR 1435
Performance 1617.1
Game statistics ()
Games 81
Wins 48
Draws 9
Losses 24
White 39
Black 42
White wins 27
Black wins 21
Score 52.5
Percent 64.8
Dp 125.9
AOR 1458.1
Performance 1584
Game statistics (History)
Games 337
Wins 228
Draws 21
Losses 88
White 162
Black 175
White wins 116
Black wins 112
Score 238.5
Percent 70.8
Dp 176.6
AOR 1402.2
Performance 1578.7
Rankings (Main)
National
Overall 813
Gender 756
Age group 36
Gender/Age 30
Provincial
Overall 247
Gender 226
Age group 11
Gender/Age 10
Regional
Overall 180
Gender 169
Age group 8
Gender/Age 8
Rankings (Standard)
National
Overall 694
Gender 648
Age group 34
Gender/Age 29
Provincial
Overall 213
Gender 196
Age group 12
Gender/Age 11
Regional
Overall 159
Gender 149
Age group 8
Gender/Age 8
Rankings (Rapid)
National
Overall 592
Gender 537
Age group 51
Gender/Age 43
Provincial
Overall 280
Gender 250
Age group 27
Gender/Age 20
Regional
Overall 143
Gender 133
Age group 15
Gender/Age 13
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 7
Score 5
Percent 71.4
Aor 1435
Dp 182.1
Prat 1617.1
Performance ()
Games 81
Score 52.5
Percent 64.8
Aor 1458.1
Dp 125.9
Prat 1584
Performance (12 months)
Games 150
Score 105
Percent 70
Aor 1428.6
Dp 170
Prat 1598.6
Performance (History)
Games 337
Score 238.5
Percent 70.8
Aor 1402.2
Dp 176.6
Prat 1578.7
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) 7 2 5 South African Junior Closed Chess Championships 2025 (U10 Open) Table View Chess Club Junior Chess Championship 2026 (U11) 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 Steyn, K (Kahn) 4 1 3 Centurion Chess Open Tournament 2024 (U10) South African Open 2025 (U10 Open) Details
Standard 5 Erdogan, D (Demir) 4 3 1 Lardies Ope 2024 (U10) 2025 Etienne Lewis Closed Chess Tournament (U10) 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 Lipshitz, B (Blake) 2 2 0 Rock n Roll Rapid 2025 (Rooks) Chess Power House Spring Rapid 2025 (D) Details