PLAYER PAGE
Personal
Koen, MN (Michaela Nicola)
Chess SA id
205061338FIDE id
?Date of birth
2005-03-11 (Adult)Gender
FemaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2019-08-24Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1151.8 | 1153.5 | 701.6 | 701.6 |
| Raw rating | 1151.8 | 1153.5 | 701.6 | 701.6 |
| Weighted rating | 1151.8 | 1153.5 | 701.6 | 701.6 |
| Weighted performance | 227.9 | 228.3 | 0 | 0 |
| Floor | 651.8 | 653.5 | 500 | 500 |
| K-factor | 40 | 40 | 40 | 40 |
| Min/Max rating change allowed | 177.6 | 177.2 | 337.3 | 337.3 |
| Highest rating | 12002024-11-01 | 12002024-11-01 | 12002024-02-01 | 12002024-02-01 |
| Highest raw rating | 1151.82024-02-01 | 1153.52024-02-01 | 701.62024-02-01 | 701.62024-02-01 |
| Highest weighted rating | 1151.82024-11-01 | 1153.52024-11-01 | 701.62024-11-01 | 701.62024-11-01 |
| Highest weighted performance | 12002024-12-01 | 12002024-12-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1151.8 | 1153.5 | 701.6 | 701.6 |
| Analysis | ||||
| Rating | 1151.8 | 1153.5 | 701.6 | 701.6 |
| Raw rating | 1151.8 | 1153.5 | 701.6 | 701.6 |
| Weighted rating | 1151.8 | 1153.5 | 701.6 | |
| Weighted performance | 227.9 | 228.3 | 0 | |
| K-factor | 40 | 40 | 40 | 40 |
| Floor | 651.8 | 653.5 | 500 | 500 |
| Max/Min rating change allowed | 177.6 | 177.2 | 337.3 | 337.3 |
| Games | 0 | 0 | 0 | 0 |
| Score | 0 | 0 | 0 | 0 |
| Expected score | 0 | 0 | 0 | 0 |
| Score-Expected | 0 | 0 | 0 | 0 |
| Temp raw +/- | 0 | 0 | 0 | 0 |
| Final raw +/- | 0 | 0 | 0 | 0 |
| New raw rating | 1151.8 | 1153.5 | 701.6 | 701.6 |
| New weighted rating | 1151.8 | 1153.5 | 701.6 | 701.6 |
| New weighted performance | 220.9 | 221.3 | 0 | 0 |
| Temp new rating | 1151.8 | 1153.5 | 701.6 | 701.6 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1151.8 | 1153.5 | 701.6 | 701.6 |
| New K-factor | 40 | 40 | 40 | 40 |
| New floor | 651.8 | 653.5 | 500 | 500 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 340 | 340 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | Adult | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| Adult | -1 | -1 | -1 | ||||||||||||||
| Adult Female | -1 | -1 | -1 | ||||||||||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 0 | 0 | 0 | 0 | 0 | 0 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 0 | 0 | 0 | 0 | 0 | 0 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 54 | 31.5 | 58.33 | 70.8 | 867.1 | 938 |
| Standard | 54 | 31.5 | 58.33 | 70.8 | 867.1 | 938 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2025-09-30 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2025-09-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2025-08-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2025-07-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2025-06-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2025-05-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2025-04-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2025-03-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2025-02-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2025-01-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2024-12-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2024-11-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2024-10-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2024-09-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2024-08-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2024-07-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2024-09-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2024-05-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2024-04-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2024-03-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2024-02-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2024-01-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
| 2023-12-01 | 1151.8 | 1153.5 | 701.6 | 701.6 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2019 Gauteng School League Finals (U19 Girls) | 2019-08-24 | 2019-08-24 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 2 | 2019 D15 Tshwane West Schools League Final (Secondary Schools) | 2019-08-17 | 2019-08-17 | Standard | Tshwane (GTP) | 5 | 4 | 3.5 | Yes | Analysis |
| 3 | 2019 D15 Individual Finals (U15 Girls) | 2019-05-11 | 2019-05-11 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 4 | 2018 Gauteng Secondary Schools Individual Chess Championships (U13 Girls) | 2018-05-25 | 2018-05-25 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 5 | Hervormde Kerk 2018 (U14) | 2018-04-21 | 2018-04-21 | Standard | Dr Kenneth Kaunda (NWP) | 5 | 5 | 4 | Yes | Analysis |
| 6 | 2018 D15 Tshwane West Schools League Finals (U13 Girls) | 2018-03-17 | 2018-03-17 | Standard | Tshwane (GTP) | 5 | 5 | 4 | Yes | Analysis |
| 7 | JNW Club - Trinityhouse Randpark Ridge Open 2018 (D) | 2018-03-24 | 2018-03-24 | Standard | Johannesburg Metro (GJM) | 5 | 5 | 4 | Yes | Analysis |
| 8 | 2018 Constantia Park Open (D) | 2018-02-10 | 2018-02-10 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 9 | 2018 Blou Bul Open (D) | 2018-02-17 | 2018-02-17 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 10 | 2018 Tshwane Registration Open Chess Tournament (D) | 2018-01-27 | 2018-01-27 | Standard | Tshwane (GTP) | 5 | 5 | 1.5 | Yes | Analysis |
| 11 | South African Junior Team Championships 2017 (U14 Girls) | 2018-01-04 | 2018-01-08 | Standard | 4 Knights (4K) | 7 | 5 | 1.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2019 D15 Individual Finals | Tournament2019 D15 Tshwane West Schools League Final | ||||||
| date2019-05-11 | rnd5 | typeStandard | result1 | date2019-08-17 | rnd5 | typeStandard | result1 | ||
| OpponentMatlala, T (Tshepiso) | OpponentNdabambi, O (Onthotile) | ||||||||
| 2 | 5 | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | Tournament2019 D15 Individual Finals | ||||||
| date2018-05-25 | rnd3 | typeStandard | result1 | date2019-05-11 | rnd2 | typeStandard | result1 | ||
| OpponentMoyo, N (Nhlakanipho) | OpponentKhanyile, NJ (Nokukhanya Joy) | ||||||||
| 3 | 4 | Tournament2018 D15 Tshwane West Schools League Finals | TournamentJNW Club - Trinityhouse Randpark Ridge Open 2018 | ||||||
| date2018-03-17 | rnd5 | typeStandard | result1 | date2018-03-24 | rnd3 | typeStandard | result1 | ||
| OpponentPitsi, T (Thembani) | OpponentFauconier, A (Amber) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2019 D15 Individual Finals | Tournament2019 D15 Tshwane West Schools League Final | ||||||
| date2019-05-11 | rnd5 | typeStandard | result1 | date2019-08-17 | rnd5 | typeStandard | result1 | ||
| OpponentMatlala, T (Tshepiso) | OpponentNdabambi, O (Onthotile) | ||||||||
| 2 | 5 | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | Tournament2019 D15 Individual Finals | ||||||
| date2018-05-25 | rnd3 | typeStandard | result1 | date2019-05-11 | rnd2 | typeStandard | result1 | ||
| OpponentMoyo, N (Nhlakanipho) | OpponentKhanyile, NJ (Nokukhanya Joy) | ||||||||
| 3 | 4 | Tournament2018 D15 Tshwane West Schools League Finals | TournamentJNW Club - Trinityhouse Randpark Ridge Open 2018 | ||||||
| date2018-03-17 | rnd5 | typeStandard | result1 | date2018-03-24 | rnd3 | typeStandard | result1 | ||
| OpponentPitsi, T (Thembani) | OpponentFauconier, A (Amber) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | Tournament2019 D15 Individual Finals | ||||||
| date2018-05-25 | rnd3 | typeStandard | result1 | date2019-05-11 | rnd2 | typeStandard | result1 | ||
| OpponentMoyo, N (Nhlakanipho) | OpponentKhanyile, NJ (Nokukhanya Joy) | ||||||||
| 2 | 4 | Tournament2018 D15 Tshwane West Schools League Finals | TournamentJNW Club - Trinityhouse Randpark Ridge Open 2018 | ||||||
| date2018-03-17 | rnd5 | typeStandard | result1 | date2018-03-24 | rnd3 | typeStandard | result1 | ||
| OpponentPitsi, T (Thembani) | OpponentFauconier, A (Amber) | ||||||||
| 3 | 3 | Tournament2019 D15 Tshwane West Schools League Final | Tournament2019 D15 Tshwane West Schools League Final | ||||||
| date2019-08-17 | rnd3 | typeStandard | result1 | date2019-08-17 | rnd5 | typeStandard | result1 | ||
| OpponentMoropa, R (Reitumetse Keamogetswe) | OpponentNdabambi, O (Onthotile) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2018 Gauteng Secondary Schools Individual Chess Championships | Tournament2019 D15 Individual Finals | ||||||
| date2018-05-25 | rnd3 | typeStandard | result1 | date2019-05-11 | rnd2 | typeStandard | result1 | ||
| OpponentMoyo, N (Nhlakanipho) | OpponentKhanyile, NJ (Nokukhanya Joy) | ||||||||
| 2 | 4 | Tournament2018 D15 Tshwane West Schools League Finals | TournamentJNW Club - Trinityhouse Randpark Ridge Open 2018 | ||||||
| date2018-03-17 | rnd5 | typeStandard | result1 | date2018-03-24 | rnd3 | typeStandard | result1 | ||
| OpponentPitsi, T (Thembani) | OpponentFauconier, A (Amber) | ||||||||
| 3 | 3 | Tournament2019 D15 Tshwane West Schools League Final | Tournament2019 D15 Tshwane West Schools League Final | ||||||
| date2019-08-17 | rnd3 | typeStandard | result1 | date2019-08-17 | rnd5 | typeStandard | result1 | ||
| OpponentMoropa, R (Reitumetse Keamogetswe) | OpponentNdabambi, O (Onthotile) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
Top 10 opponents most often played
| # | Opponent | Main | Standard | Rapid | Blitz | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | ||
| Aor | Prat | Aor | Prat | Aor | Prat | Aor | Prat | ||||||
| 1 | Kleynhans ,N (Nelrie) | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 515.5 | 515.5 | 518.6 | 515.5 | 0 | 0 | 0 | 0 | ||||||
| 2 | Le Roux ,C (Claire) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 806.4 | 381.4 | 806.4 | 381.4 | 0 | 0 | 0 | 0 | ||||||
| 3 | Simelane ,T (Tshiamo) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 572 | 997 | 572 | 997 | 0 | 0 | 0 | 0 | ||||||
| 4 | Kgaamedi ,MP (Mokgadi Pretty) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 5 | Rautenbach ,H (Helen Christine) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 768 | 343 | 768 | 343 | 0 | 0 | 0 | 0 | ||||||
| 6 | Ngwenya ,T (Thato) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 7 | Bezu ,R (Reabetswe) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 525.2 | 950.2 | 525.2 | 950.2 | 0 | 0 | 0 | 0 | ||||||
| 8 | Lamola ,D (Dimpho) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 9 | Maponyane ,A (Amogelang) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Losper ,S (Simone) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 619.4 | 194.4 | 619.4 | 194.4 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

