| Suvorov,Luca (2420) – Kollen,Z (2379) |
1-0 |
Nimzo-Indian |
2026-04-19 |
| Kollen,Z (2379) – Verstraeten,R (2340) |
0-1 |
Sicilian |
2026-03-29 |
| Kollen,Z (2370) – Dijkhuis,Tycho (2431) |
1/2-1/2 |
Sicilian |
2026-03-28 |
| Fiebig,T (2422) – Kollen,Z (2379) |
1-0 |
French |
2026-03-01 |
| Kollen,Z (2379) – Shchekachev,A (2474) |
1/2-1/2 |
Sicilian |
2026-02-08 |
| Kollen,Z (2379) – Pauly,C (2325) |
0-1 |
Sicilian |
2026-02-07 |
| Kollen,Z (2369) – Schoppen,Casper (2564) |
1-0 |
Ruy Lopez |
2025-11-23 |
| Kollen,Z (2386) – Kerigan,D (2358) |
1/2-1/2 |
Philidor |
2025-10-04 |
| Pham,Khoi (2476) – Kollen,Z (2384) |
1/2-1/2 |
Catalan |
2025-09-28 |
| Kollen,Z (2384) – Van Delft,M (2350) |
1/2-1/2 |
Sicilian |
2025-09-20 |
| Kollen,Z (2367) – Maatman,Nick (2411) |
1-0 |
Sicilian |
2025-04-05 |
| Kollen,Z (2356) – Ruzhansky,Elias (2333) |
1-0 |
Sicilian |
2025-03-16 |
| Kollen,Z (2347) – Lombaers,P (2365) |
1-0 |
Sicilian |
2025-03-08 |
| Maerevoet,Sim (2448) – Kollen,Z (2356) |
1/2-1/2 |
QGD |
2025-02-16 |
| Tjiam,D (2362) – Kollen,Z (2356) |
1/2-1/2 |
Nimzo-Indian |
2025-02-08 |
| Kollen,Z (2347) – Sabuk,P (2402) |
1/2-1/2 |
Caro-Kann |
2025-02-02 |
| Walter,S2 (2370) – Kollen,Z (2347) |
1-0 |
Catalan |
2025-02-01 |
| Feygin,M (2446) – Kollen,Z (2344) |
1/2-1/2 |
Queen's bishop game |
2025-01-26 |
| Schmidek,Emil (2439) – Kollen,Z (2347) |
1-0 |
QGD |
2025-01-11 |
| Kollen,Z (2347) – Vetoshko,V (2510) |
0-1 |
Ruy Lopez |
2025-01-10 |
| Poetsch,H (2491) – Kollen,Z (2344) |
1/2-1/2 |
French |
2024-12-29 |
| Kollen,Z (2344) – Zwirs,Nico (2479) |
1/2-1/2 |
Dunst (Sleipner, Heinrichsen) opening |
2024-12-14 |
| Kollen,Z (2346) – Vrolijk,Liam (2512) |
1/2-1/2 |
Four knights game |
2024-11-23 |
| Strating,S (2310) – Kollen,Z (2346) |
1-0 |
QGD |
2024-11-09 |
| Kollen,Z (2347) – De Schampheleire,G (2391) |
1/2-1/2 |
Ruy Lopez |
2024-10-06 |
| Kollen,Z (2341) – Matnadze Bujiashvili,Ann (2338) |
0-1 |
Robatsch (modern) defence |
2024-09-29 |