PLAYER PAGE

Mikhael Villem Anthonissen

1160306856
Cape Town (WCT)
Personal
Main rating
Rating 1600
K-factor 28
Floor 1246.5
Highest 1746.5 (2025-07-01)
Min/Max +/- allowed 76
Rating Change
()
Games 14
Score 7.5
We 7.13
SWe 0.46
Temp +/- 12.8
Penalties 0
Weight perform 1571.3
Final +/- +12.8
New Rating
()
Rating 1612.8
K-factor 28
Floor 1246.5
Highest 1746.5 (2025-07-01)
Min/Max +/- allowed 76.1
Standard rating
Rating 1614.4
K-factor 28
Floor 1255.9
Highest 1755.9 (2025-07-01)
Min/Max +/- allowed 75.1
Rating Change
()
Games 14
Score 7.5
We 7.36
SWe 0.14
Temp +/- 3.9
Penalties 0
Weight perform 1565.4
Final +/- +3.9
New Rating
()
Rating 1618.2
K-factor 28
Floor 1255.9
Highest 1755.9 (2025-07-01)
Min/Max +/- allowed 75.1
Rapid rating
Rating 1451.1
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 1472.5
Final +/- 0
New Rating
()
Rating 1451.1
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 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
2 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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
2 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
3 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
4 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
5 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
6 COGH 2026 (U12) Rapid 2026-01-31 2026-02-01 Cape Town (WCT) 6 1639.8 6 3.5 1506.6 -10 Details
7 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
8 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
9 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
10 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
11 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
12 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
13 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
14 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
15 Tshwane Chess Club Clash 2025 (Open) Standard 2025-09-13 2025-09-13 Tshwane (GTP) 5 1633.4 5 4 1584.1 -3 Details
16 2025 Midstream Open Chess Tournament (U10) Standard 2025-08-25 2025-08-25 Tshwane (GTP) 5 1670.4 5 4 1568.2 -9 Details
17 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
18 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
19 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
20 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
21 2025 Menlo Open (U10) Standard 2025-07-26 2025-07-26 Tshwane (GTP) 5 1746.5 5 4 1588.3 -10.1 Details
22 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
23 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
24 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
25 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
26 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
27 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
28 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
29 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
30 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
31 CPH May 2025 (D) Standard 2025-05-03 2025-05-03 Johannesburg Metro (GJM) 5 1615.7 5 4 1585.2 -2 Details
32 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
33 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
34 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
35 Lubowski Open 2025 (B) Standard 2025-03-21 2025-03-22 Tshwane (GTP) 5 1521 5 1 1277.1 -26.1 Details
36 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
37 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
38 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
39 Constantiapark Open 2025 (U10) Standard 2025-02-15 2025-02-15 Tshwane (GTP) 5 1483.6 5 5 1752 25.7 Details
40 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
41 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
42 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
43 Cape Town Masters Challenge 2025 (Advanced) Classical 2025-01-06 2025-01-11 Cape Town (WCT) 9 1580.1 8 1 1078.1 -94.2 Details
44 2025 Kraaifontein Open Chess Championships (Advanced) Standard 2025-01-04 2025-01-05 Cape Town (WCT) 6 1580.1 6 1.5 1185.1 -48.4 Details
45 Mzansi Interprovincial Youth Chess Championships 2024 (U10 Open Combined) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1471.5 7 5.5 1665.9 33 Details
46 Gauteng Inter-Region at UJ 2024 (U10 Candidates) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1471.5 5 5 1623.6 18 Details
47 East Rand Chess Year end Open 2024 (D) Standard 2024-11-30 2024-11-30 Ekurhuleni (GE) 4 1471.5 3 2 1471.9 0.8 Details
48 Lardies Ope 2024 (U10) Standard 2024-10-26 2024-10-26 Tshwane (GTP) 5 1442 5 4 1636.9 18.4 Details
49 Laerskool Doringkloof Primary Open Chess Tournament 2024 (U10) Standard 2024-10-19 2024-10-19 Tshwane (GTP) 5 1504.4 5 3 1437.9 -5.8 Details
50 2024 Tshwane Chess Club Clash (Open) Standard 2024-10-12 2024-10-12 Tshwane (GTP) 5 1504.4 5 2 1196.8 -29 Details
Game statistics ( )
Games 5
Wins 2
Draws 0
Losses 3
White 2
Black 3
White wins 1
Black wins 1
Score 2
Percent 40
Dp -85
AOR 1563.3
Performance 1478.3
Game statistics ()
Games 47
Wins 25
Draws 6
Losses 16
White 23
Black 24
White wins 14
Black wins 11
Score 28
Percent 59.6
Dp 81.4
AOR 1480.3
Performance 1561.7
Game statistics (History)
Games 303
Wins 205
Draws 18
Losses 80
White 146
Black 157
White wins 103
Black wins 102
Score 214
Percent 70.6
Dp 175.3
AOR 1399.3
Performance 1574.7
Rankings (Main)
National
Overall 1000
Gender 917
Age group 44
Gender/Age 39
Provincial
Overall 305
Gender 274
Age group 14
Gender/Age 13
Regional
Overall 198
Gender 184
Age group 8
Gender/Age 8
Rankings (Standard)
National
Overall 853
Gender 785
Age group 38
Gender/Age 33
Provincial
Overall 249
Gender 227
Age group 12
Gender/Age 11
Regional
Overall 171
Gender 160
Age group 7
Gender/Age 7
Rankings (Rapid)
National
Overall 517
Gender 470
Age group 43
Gender/Age 35
Provincial
Overall 257
Gender 227
Age group 24
Gender/Age 17
Regional
Overall 135
Gender 125
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 14
Score 7.5
Percent 53.6
Aor 1587.1
Dp 30.4
Prat 1617.4
Performance ()
Games 47
Score 28
Percent 59.6
Aor 1480.3
Dp 81.4
Prat 1561.7
Performance (12 months)
Games 170
Score 124.5
Percent 73.2
Aor 1423.8
Dp 197.5
Prat 1621.3
Performance (History)
Games 303
Score 214
Percent 70.6
Aor 1399.3
Dp 175.3
Prat 1574.7
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 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 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 Akemdien, A (Alex) 4 2 2 South African Junior Closed Chess Championships 2025 (U10 Open) COGH 2026 (U12) Details
Standard 1 Khosana, O (Onalerona) 9 5 4 2024 Tuks Open Chess Tournament (U10) 2025 Centurion Chess Open Tournament (U10) Details
Standard 2 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 3 Erdogan, D (Demir) 4 3 1 Lardies Ope 2024 (U10) 2025 Etienne Lewis Closed Chess Tournament (U10) Details
Standard 4 Steyn, K (Kahn) 4 1 3 Centurion Chess Open Tournament 2024 (U10) South African Open 2025 (U10 Open) Details
Standard 5 Westermann, Z (Zelri) 3 1 2 2024 Midstream College Open Chess Tournament (U10) 2025 Midstream Open Chess Tournament (U10) Details
Rapid 1 Beukes, B (Benjamin) 2 2 0 UCT Open Chess Championship 2025 (U10) Laerskool Welgemoed Rapid 2026 (U12) Details
Rapid 2 Lipshitz, B (Blake) 2 2 0 Rock n Roll Rapid 2025 (Rooks) Chess Power House Spring Rapid 2025 (D) Details
Rapid 3 Kuchibhotla, AKA (Achyuta Kartikeya Arjun) 2 2 0 Rock n Roll Rapid 2025 (Rooks) MCA Spring Flower Birthday Rapid 2025 (U10) Details
Rapid 4 Marcus, Y (Yoni) 2 1 1 Rock n Roll Rapid 2025 (Rooks) Chess Power House Spring Rapid 2025 (D) Details