PLAYER PAGE
Personal
Koopmans, X (Xander)
Chess SA id
1090103917FIDE id
?Date of birth
2009-01-13 (U18)Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
Chess SA registered
NoLast active game
2019-04-21Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1037.5 | 1021.2 | 1200 | 1200 |
| Raw rating | 1037.5 | 1021.2 | 1200 | 1200 |
| Weighted rating | 1037.5 | 1021.2 | 1200 | 1200 |
| Weighted performance | 146.6 | 146 | 0 | 0 |
| Floor | 759.1 | 770 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 209 | 213.9 | 165.8 | 165.8 |
| Highest rating | 1464.32018-06-01 | 1460.82018-06-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1259.12018-07-01 | 12702018-07-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1259.12018-07-01 | 12702018-07-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1464.32018-06-01 | 1460.82018-06-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 1037.5 | 1021.2 | 1200 | 1200 |
| Analysis | ||||
| Rating | 1037.5 | 1021.2 | 1200 | 1200 |
| Raw rating | 1037.5 | 1021.2 | 1200 | 1200 |
| Weighted rating | 1037.5 | 1021.2 | 1200 | |
| Weighted performance | 146.6 | 146 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 759.1 | 770 | 700 | 700 |
| Max/Min rating change allowed | 209 | 213.9 | 165.8 | 165.8 |
| 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 | 1037.5 | 1021.2 | 1200 | 1200 |
| New weighted rating | 1037.5 | 1021.2 | 1200 | 1200 |
| New weighted performance | 141 | 140.4 | 0 | 0 |
| Temp new rating | 1037.5 | 1021.2 | 1200 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 1037.5 | 1021.2 | 1200 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 759.1 | 770 | 700 | 700 |
| 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 | 30 | 30 | 0 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U18 | ||||||||||||||||
| Region | Tshwane (GTP) | ||||||||||||||||
| Province | Gauteng (GT) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U18 | -1 | -1 | -1 | ||||||||||||||
| U18 Male | -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 | 30 | 12.5 | 41.67 | -70.8 | 1082.7 | 1011.8 |
| Standard | 30 | 12.5 | 41.67 | -70.8 | 1082.7 | 1011.8 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2025-09-30 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2025-09-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2025-08-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2025-07-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2025-06-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2025-05-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2025-04-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2025-03-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2025-02-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2025-01-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2024-12-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2024-11-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2024-10-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2024-09-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2024-08-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2024-07-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2024-09-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2024-05-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2024-04-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2024-03-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2024-02-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2024-01-01 | 1037.5 | 1021.2 | 1200 | 1200 |
| 2023-12-01 | 1037.5 | 1021.2 | 1200 | 1200 |
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 Capablanca Chess Festival (C) | 2019-04-19 | 2019-04-21 | Standard | Tshwane (GTP) | 7 | 6 | 0 | Yes | Analysis |
| 2 | 2019 D4 Individual Finals (U11 Mixed) | 2019-03-09 | 2019-03-09 | Standard | Tshwane (GTP) | 5 | 4 | 2 | Yes | Analysis |
| 3 | 2019 Tshwane Chess Registration Tournament (C) | 2019-01-26 | 2019-01-26 | Standard | Tshwane (GTP) | 5 | 5 | 2 | Yes | Analysis |
| 4 | 2018 D4 Tshwane South Schools League Finals (U9) | 2018-08-03 | 2018-08-03 | Standard | Tshwane (GTP) | 5 | 5 | 3 | Yes | Analysis |
| 5 | 2018 Menlo Open Chess Tournament (C) | 2018-07-21 | 2018-07-21 | Standard | Tshwane (GTP) | 5 | 5 | 0.5 | Yes | Analysis |
| 6 | 2018 Swartkop Open (E) | 2018-06-23 | 2018-06-23 | Standard | Tshwane (GTP) | 5 | 5 | 5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | Tournament2018 Swartkop Open | Tournament2018 Menlo Open Chess Tournament | ||||||
| date2018-06-23 | rnd1 | typeStandard | result1 | date2018-07-21 | rnd1 | typeStandard | result0.5 | ||
| OpponentRoux, L (Liam) | OpponentJansen Van Rensburg, NE (Nicolas Emile) | ||||||||
| 2 | 2 | Tournament2019 Tshwane Chess Registration Tournament | Tournament2019 D4 Individual Finals | ||||||
| date2019-01-26 | rnd5 | typeStandard | result1 | date2019-03-09 | rnd1 | typeStandard | result1 | ||
| OpponentHenning, C (Christiaan) | OpponentCloete, RA (Roche Andre) | ||||||||
| 3 | 2 | Tournament2018 D4 Tshwane South Schools League Finals | Tournament2018 D4 Tshwane South Schools League Finals | ||||||
| date2018-08-03 | rnd3 | typeStandard | result1 | date2018-08-03 | rnd4 | typeStandard | result1 | ||
| OpponentGounder, A (Arun) | OpponentVisser, W (Wiehan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | Tournament2018 Swartkop Open | Tournament2018 Menlo Open Chess Tournament | ||||||
| date2018-06-23 | rnd1 | typeStandard | result1 | date2018-07-21 | rnd1 | typeStandard | result0.5 | ||
| OpponentRoux, L (Liam) | OpponentJansen Van Rensburg, NE (Nicolas Emile) | ||||||||
| 2 | 2 | Tournament2019 Tshwane Chess Registration Tournament | Tournament2019 D4 Individual Finals | ||||||
| date2019-01-26 | rnd5 | typeStandard | result1 | date2019-03-09 | rnd1 | typeStandard | result1 | ||
| OpponentHenning, C (Christiaan) | OpponentCloete, RA (Roche Andre) | ||||||||
| 3 | 2 | Tournament2018 D4 Tshwane South Schools League Finals | Tournament2018 D4 Tshwane South Schools League Finals | ||||||
| date2018-08-03 | rnd3 | typeStandard | result1 | date2018-08-03 | rnd4 | typeStandard | result1 | ||
| OpponentGounder, A (Arun) | OpponentVisser, W (Wiehan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2018 Swartkop Open | Tournament2018 Swartkop Open | ||||||
| date2018-06-23 | rnd1 | typeStandard | result1 | date2018-06-23 | rnd5 | typeStandard | result1 | ||
| OpponentRoux, L (Liam) | OpponentSmit, W (Wian) | ||||||||
| 2 | 2 | Tournament2019 Tshwane Chess Registration Tournament | Tournament2019 D4 Individual Finals | ||||||
| date2019-01-26 | rnd5 | typeStandard | result1 | date2019-03-09 | rnd1 | typeStandard | result1 | ||
| OpponentHenning, C (Christiaan) | OpponentCloete, RA (Roche Andre) | ||||||||
| 3 | 2 | Tournament2018 D4 Tshwane South Schools League Finals | Tournament2018 D4 Tshwane South Schools League Finals | ||||||
| date2018-08-03 | rnd3 | typeStandard | result1 | date2018-08-03 | rnd4 | typeStandard | result1 | ||
| OpponentGounder, A (Arun) | OpponentVisser, W (Wiehan) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Tournament2018 Swartkop Open | Tournament2018 Swartkop Open | ||||||
| date2018-06-23 | rnd1 | typeStandard | result1 | date2018-06-23 | rnd5 | typeStandard | result1 | ||
| OpponentRoux, L (Liam) | OpponentSmit, W (Wian) | ||||||||
| 2 | 2 | Tournament2019 Tshwane Chess Registration Tournament | Tournament2019 D4 Individual Finals | ||||||
| date2019-01-26 | rnd5 | typeStandard | result1 | date2019-03-09 | rnd1 | typeStandard | result1 | ||
| OpponentHenning, C (Christiaan) | OpponentCloete, RA (Roche Andre) | ||||||||
| 3 | 2 | Tournament2018 D4 Tshwane South Schools League Finals | Tournament2018 D4 Tshwane South Schools League Finals | ||||||
| date2018-08-03 | rnd3 | typeStandard | result1 | date2018-08-03 | rnd4 | typeStandard | result1 | ||
| OpponentGounder, A (Arun) | OpponentVisser, W (Wiehan) | ||||||||
| # | 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 | Liang ,YX (Yi-Xuan (Bowie)) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1027.4 | 602.4 | 1019.8 | 602.4 | 0 | 0 | 0 | 0 | ||||||
| 2 | Govender ,P (Pranau) | 2 | 0 | -425 | 2 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1256.4 | 831.4 | 1239.9 | 831.4 | 0 | 0 | 0 | 0 | ||||||
| 3 | Gounder ,A (Arun) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 986.4 | 1411.4 | 981.6 | 1411.4 | 0 | 0 | 0 | 0 | ||||||
| 4 | Smit ,A (Anika) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1284.3 | 859.3 | 1270.3 | 859.3 | 0 | 0 | 0 | 0 | ||||||
| 5 | Kowalsky ,B (Brandon) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 6 | De Wit ,D (Dian) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 980.7 | 555.7 | 966 | 555.7 | 0 | 0 | 0 | 0 | ||||||
| 7 | Du Plessis ,LD (Liam Douw) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1118.6 | 693.6 | 1107.8 | 693.6 | 0 | 0 | 0 | 0 | ||||||
| 8 | Henning ,C (Christiaan) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 9 | Reyneke ,L (Luke) | 1 | 1 | 425 | 1 | 1 | 425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1625 | 1200 | 1625 | 0 | 0 | 0 | 0 | ||||||
| 10 | Liang ,YT (Yi-Tao (Anson)) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1201.6 | 776.6 | 1168 | 776.6 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

