Player profile
Van der Maas, Martien
Dossier
37 of 43 games analyzed.
Accuracy: 90.3%
Opened e4: 17/17
Castled kingside: 26Same-side castling: 26Did not castle: 4Castled queenside: 4Opposite-side castling: 3
Played in the center: 15Played on the kingside: 7Fianchettoed queenside: 5Played on the queenside: 4Fianchettoed kingside: 1
Active pieces: 28Initiated exchanges: 25Sacrificed material: 21Space advantage: 18Kept the bishop pair: 17Backward pawn: 12Missed tactics: 10Isolated pawn: 10Played gambits: 6Avoided exchanges: 3
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 19 games 13W 0D 6L
Sicilian Defense 8 games 4W 0D 4L
Accelerated Dragon 2 games 0W 0D 2L
Maróczy Bind
2 games
0W
0D
2L
Richter-Rauzer Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Four Knights Variation 1 game 0W 0D 1L
Exchange Variation
1 game
0W
0D
1L
Kalashnikov Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Najdorf Variation 1 game 1W 0D 0L
English Attack
1 game
1W
0D
0L
French Variation 1 game 0W 0D 1L
Normal
1 game
0W
0D
1L
Dragon Variation 1 game 1W 0D 0L
Classical Variation
1 game
1W
0D
0L
Italian Game 4 games 4W 0D 0L
Classical Variation 3 games 3W 0D 0L
Giuoco Pianissimo
3 games
3W
0D
0L
Paris Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Scandinavian Defense 3 games 2W 0D 1L
Bronstein Variation 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Schiller-Pytel Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Caro-Kann Defense 2 games 1W 0D 1L
Panov Attack 2 games 1W 0D 1L
Fianchetto Defense
1 game
0W
0D
1L
Modern Defense
1 game
1W
0D
0L
King's Pawn Game 1 game 1W 0D 0L
Busch-Gass Gambit 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Petrov's Defense 1 game 1W 0D 0L
Damiano Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 19 games 12W 4D 3L
Italian Game 6 games 3W 2D 1L
Giuoco Pianissimo 3 games 1W 2D 0L
Normal
1 game
0W
1D
0L
Italian Four Knights Variation
1 game
1W
0D
0L
(unspecified)
1 game
0W
1D
0L
Two Knights Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Classical Variation 1 game 0W 0D 1L
Giuoco Pianissimo
1 game
0W
0D
1L
Scotch Gambit 1 game 1W 0D 0L
Max Lange Attack
1 game
1W
0D
0L
Ruy Lopez 2 games 1W 1D 0L
Berlin Defense 1 game 1W 0D 0L
Anti-Berlin Variation
1 game
1W
0D
0L
Open 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Four Knights Game 2 games 2W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Italian Variation 1 game 1W 0D 0L
Noa Gambit
1 game
1W
0D
0L
Nimzo-Indian Defense 2 games 1W 1D 0L
St. Petersburg Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Three Knights Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Pawn Game 1 game 1W 0D 0L
Napoleon Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Bishop's Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Scotch Game 1 game 0W 0D 1L
Blumenfeld Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 1 game 1W 0D 0L
King's English Variation 1 game 1W 0D 0L
Four Knights Variation, Fianchetto Line, with .. d6, h6
1 game
1W
0D
0L
French Defense 1 game 0W 0D 1L
Exchange Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Indian Defense 1 game 1W 0D 0L
Tartakower Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Vienna Game 1 game 1W 0D 0L
Max Lange Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 173
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 43 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.11 | Round 7: Bautista Sarmiento, Zoe Matias - Van der Maas, Martien | 7.2 | 2026.09.11 Bautista Sarmiento, Zoe Matias (144445539) (1527) | 1 | 94.80% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2026.09.11 | Round 6: Van der Maas, Martien - Jimenez Pirajan, Samuel Esteban | 6.1 | 2026.09.11 Jimenez Pirajan, Samuel Esteban (144428790) (1804) | 1 | 84.50% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.09.11 | Round 5: Ayala Delgado, Sergio Alejandro - Van der Maas, Martien | 5.1 | 2026.09.11 Ayala Delgado, Sergio Alejandro (4496396) (2146) | ½ | 84.90% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.09.11 | Round 4: Van der Maas, Martien - Camacho Bernal, Mathias | 4.3 | 2026.09.11 Camacho Bernal, Mathias (144424523) (1467) | 1 | 86.30% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.09.11 | Round 3: Samuel Alfaro Valbuena - Van der Maas, Martien | 3.4 | 2026.09.11 Samuel Alfaro Valbuena | 1 | 93.50% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.09.11 | Round 2: Van der Maas, Martien - Jose Alejandro Granados Nieto | 2.4 | 2026.09.11 Jose Alejandro Granados Nieto | 1 | 92.10% | 1. e4 e5 2. Nf3 Bc5 3. Nxe5 Qf6 | |
| 2026.09.11 | Round 1: Juan Sebastian Lopez Lozano - Van der Maas, Martien | 1.4 | 2026.09.11 Juan Sebastian Lopez Lozano | 1 | 80.60% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2026.09.10 | Round 7: Casas Mejia, Santiago - Van der Maas, Martien | 7.3 | 2026.09.10 Casas Mejia, Santiago (144415060) (1655) | 1 | 96.20% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.09.10 | Round 6: Van der Maas, Martien - Andres Julian Mendez Barreto | 6.5 | 2026.09.10 Andres Julian Mendez Barreto | 1 | 99.10% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.09.10 | Round 5: Samuel Gomez Villagran - Van der Maas, Martien | 5.3 | 2026.09.10 Samuel Gomez Villagran | 1 | 94.40% | 1. e4 e5 2. Qf3 Nc6 3. Nc3 Nf6 | |
| 2026.09.10 | Round 4: Van der Maas, Martien - Galvis Cala, Miguel Angel | 4.3 | 2026.09.10 Galvis Cala, Miguel Angel (144413866) (1867) | 0 | - | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.09.10 | Round 3: Hames Yair Beltran Sanabria - Van der Maas, Martien | 3.6 | 2026.09.10 Hames Yair Beltran Sanabria | 1 | - | 1. e4 e5 2. Bc4 Nc6 3. Qf3 Nf6 | |
| 2026.09.10 | Round 2: Van der Maas, Martien - Andres Felipe Montana Urrea | 2.6 | 2026.09.10 Andres Felipe Montana Urrea | 1 | - | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 | |
| 2026.09.10 | Round 1: Juan Sebastian Lopez Lozano - Van der Maas, Martien | 1.6 | 2026.09.10 Juan Sebastian Lopez Lozano | 1 | - | 1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 | |
| 2026.09.10 | Round 6: Van der Maas, Martien - Jimenez Pirajan, Samuel Esteban | 6.2 | 2026.09.10 Jimenez Pirajan, Samuel Esteban (144428790) (1550) | 1 | 93.60% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 | |
| 2026.09.10 | Round 4: Van der Maas, Martien - Thomas Esteban Ruiz Forero | 4.3 | 2026.09.10 Thomas Esteban Ruiz Forero | 1 | 94.30% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.09.09 | Round 5: Ayala Delgado, Sergio Alejandro - Van der Maas, Martien | 5.1 | 2026.09.09 Ayala Delgado, Sergio Alejandro (4496396) (2105) | 0 | 82.60% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.09.09 | Round 3: Cuevas Najar, Jose Alejandro - Van der Maas, Martien | 3.3 | 2026.09.09 Cuevas Najar, Jose Alejandro (144402686) | 1 | 96.30% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2026.09.09 | Round 2: Van der Maas, Martien - Jahir Felipe Monroy Romero | 2.3 | 2026.09.09 Jahir Felipe Monroy Romero | 1 | 98.50% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2025.06.30 | Quarter-Finals | Game 2: Van der Maas, Martien - Torres Hernandez, Deivy Santiago | 2.10 | 2025.06.30 Torres Hernandez, Deivy Santiago (4498968) (1715) | 0 | 85.40% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.06.30 | Quarter-Finals | Game 1: Torres Hernandez, Deivy Santiago - Van der Maas, Martien | 1.10 | 2025.06.30 Torres Hernandez, Deivy Santiago (4498968) (1715) | ½ | 95.10% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2025.06.29 | IRT Clasico Kallpa Open 2025 | 6 | 2025.06.29 Guevara Rincon, Cristian Camilo (4483537) (1818) | 0 | 86.00% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2025.06.29 | Round 5: Van der Maas, Martien - Tirado Veliz, Henry Jose | 5.9 | 2025.06.29 Tirado Veliz, Henry Jose (3901165) (2021) | 0 | 87.60% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 | |
| 2025.06.28 | IRT Clasico Kallpa Open 2025 | 4 | 2025.06.28 Estrella Becerra, Fernando (4420900) (1864) | 1 | 92.60% | 1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 | |
| 2025.06.28 | Round 3: Van der Maas, Martien - Gonzalez Lopez, Nicolas Mateo | 3.12 | 2025.06.28 Gonzalez Lopez, Nicolas Mateo (4431073) (2162) | 0 | 87.60% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2025.06.27 | IRT Clasico Kallpa Open 2025 | 2 | 2025.06.27 Santagada, Hector Ricardo (134740) (1846) | 1 | 98.90% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2025.06.26 | Round 1: Van der Maas, Martien - Chaucanes, Lina Marcela | 1.16 | 2025.06.26 Chaucanes, Lina Marcela (4402626) (1958) | 1 | 95.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.06.08 | Round 7: Van der Maas, Martien - Gaitan Orjuela,Gustavo Alonso | 7.20 | 2025.06.08 Gaitan Orjuela,Gustavo Alonso (144458967) (1681) | 1 | 91.80% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 | |
| 2025.06.08 | Round 6: Guzman Contreras, Jhoan Sebastian - Van der Maas, Martien | 6.13 | 2025.06.08 Guzman Contreras, Jhoan Sebastian (144423578) (1667) | 0 | 85.00% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2025.06.08 | Round 5: Van der Maas, Martien - Ordonez Gonzalez, Gabriel | 5.9 | 2025.06.08 Ordonez Gonzalez, Gabriel (4435400) (1959) | 0 | 87.00% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.06.08 | Round 4: Barrera Pinilla, Nicolas - Van der Maas, Martien | 4.13 | 2025.06.08 Barrera Pinilla, Nicolas (144409958) (1775) | ½ | 89.30% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.06.08 | Round 3: Van der Maas, Martien - Casares Contreras, Jose Gabriel | 3.14 | 2025.06.08 Casares Contreras, Jose Gabriel (3960315) (1815) | 1 | 88.20% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2025.06.08 | IRT Abierto Alekhine Club KALLPA 2025 | 2 | 2025.06.08 Gonzalez Granados, Samuel Felipe (144461461) | 1 | 93.70% | 1. d4 Nf6 2. g3 e6 3. Bg2 d5 | |
| 2025.06.08 | Round 1: Van der Maas, Martien - Lopez Sanchez, Juan Felipe | 1.8 | 2025.06.08 Lopez Sanchez, Juan Felipe (4498895) (1892) | 0 | 94.30% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.11.14 | Round 6: Gonzalez Guzman, Nicolas - Van der Maas, Martien | 6.1 | 2024.11.14 Gonzalez Guzman, Nicolas (535027860) | 1 | 86.70% | 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 | |
| 2024.11.14 | Round 5: Van der Maas, Martien - Agustin Duran Criollo | 5.1 | 2024.11.14 Agustin Duran Criollo | 1 | 82.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.11.14 | Round 6: Agustin Duran Criollo - Van der Maas, Martien | 6.1 | 2024.11.14 Agustin Duran Criollo | ½ | 85.40% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2024.11.14 | Round 5: Van der Maas, Martien - Gomez Becerra, Lorenzo | 5.1 | 2024.11.14 Gomez Becerra, Lorenzo (144440766) | 1 | 86.50% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 | |
| Round 6: Daniel Felipe Martinez Parra - Van der Maas, Martien | 6.48 | Daniel Felipe Martinez Parra | 1 | 77.80% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| Round 4: Polania Naranjo, Laura Camila - Van der Maas, Martien | 4.49 | Polania Naranjo, Laura Camila (144421354) (1525) | ½ | 90.50% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | ||
| Round 3: Van der Maas, Martien - Contreras Salcedo, Samuel Esteban | 3.48 | Contreras Salcedo, Samuel Esteban (144422466) (1476) | ½ | - | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | ||
| Round 2: Gomez Ardila, Juan Jacobo - Van der Maas, Martien | 2.48 | Gomez Ardila, Juan Jacobo (144463758) | 1 | - | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | ||
| Round 1: Van der Maas, Martien - Samuel Martinez Parra | 1.48 | Samuel Martinez Parra | 1 | 95.60% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 |