| Koellner,Ruben Gideon (2531) – Terry,R (2508) |
0-1 |
Queen's pawn |
2026-06-02 |
| Schaefer,Mark (2360) – Koellner,Ruben Gideon (2526) |
0-1 |
Philidor |
2026-04-26 |
| Koellner,Ruben Gideon (2526) – Levin,F (2415) |
1/2-1/2 |
Queen's pawn game |
2026-04-25 |
| Koellner,Ruben Gideon (2526) – Kjartansson,G (2422) |
1-0 |
King's Indian |
2026-04-24 |
| Koellner,Ruben Gideon (2506) – Abdurakhmonov,Mukhammadali (2362) |
1-0 |
Queen's pawn game |
2026-04-06 |
| Karthik,V4 (2594) – Koellner,Ruben Gideon (2506) |
1/2-1/2 |
Ruy Lopez |
2026-04-06 |
| Koellner,Ruben Gideon (2506) – Willems,Niels (2388) |
1/2-1/2 |
Trompovsky attack (Ruth, Opovcensky opening) |
2026-04-05 |
| Kalogridis,Antonios (2386) – Koellner,Ruben Gideon (2506) |
0-1 |
Queen's Pawn |
2026-04-05 |
| Hong,Andrew (2598) – Koellner,Ruben Gideon (2506) |
1/2-1/2 |
Philidor |
2026-04-04 |
| Koellner,Ruben Gideon (2506) – Collins,Adam (2339) |
1-0 |
Queen's bishop game |
2026-04-04 |
| Zeller,F (2314) – Koellner,Ruben Gideon (2506) |
0-1 |
English opening |
2026-04-03 |
| Schmidek,Emil (2432) – Koellner,Ruben Gideon (2526) |
1/2-1/2 |
QGD |
2026-03-22 |
| Koellner,Ruben Gideon (2526) – Moehn,H (2370) |
0-1 |
King's Indian |
2026-03-21 |
| Bacrot,E (2637) – Koellner,Ruben Gideon (2526) |
1/2-1/2 |
Philidor |
2026-03-01 |
| Koellner,Ruben Gideon (2526) – Krejci,Jan2 (2509) |
1/2-1/2 |
Queen's pawn game, Zukertort variation |
2026-02-28 |
| Alonso Rosell,A (2538) – Koellner,Ruben Gideon (2526) |
1-0 |
Queen's Pawn |
2026-01-11 |
| Koellner,Ruben Gideon (2526) – Stojanovic,Da (2434) |
1/2-1/2 |
King's Indian |
2026-01-10 |
| Koellner,Ruben Gideon (2524) – Wunderlich,Elias (2320) |
1-0 |
Queen's pawn game, Zukertort variation |
2025-12-28 |
| Koellner,Ruben Gideon (2524) – Zysk,R (2375) |
1-0 |
Trompovsky attack (Ruth, Opovcensky opening) |
2025-12-27 |
| Koellner,Ruben Gideon (2524) – Kueppers,Timo (2327) |
0-1 |
King's Indian |
2025-11-16 |
| Koellner,Ruben Gideon (2524) – Wagner,Benjamin (2307) |
1/2-1/2 |
Queen's pawn game |
2025-11-15 |
| Koellner,Ruben Gideon (2524) – Ermitsch,Magnus (2420) |
0-1 |
Queen's pawn game |
2025-11-15 |
| Vogel,Roven (2537) – Koellner,Ruben Gideon (2524) |
1-0 |
Queen's Pawn |
2025-11-15 |
| Koellner,Ruben Gideon (2524) – Eilenberg,Jonas (2317) |
1-0 |
Queen's pawn game |
2025-11-15 |
| Andreikin,D (2695) – Koellner,Ruben Gideon (2518) |
1/2-1/2 |
Philidor |
2025-08-13 |
| Belov,Alexe (2421) – Koellner,Ruben Gideon (2518) |
1/2-1/2 |
Philidor |
2025-08-12 |
| Koellner,Ruben Gideon (2518) – Yakubboev,Nodirbek (2663) |
1/2-1/2 |
Queen's pawn game, Krause variation |
2025-08-11 |
| Tiglon,Bryce (2545) – Koellner,Ruben Gideon (2518) |
1/2-1/2 |
Philidor |
2025-08-11 |
| Abasov,N (2578) – Koellner,Ruben Gideon (2518) |
0-1 |
King's pawn opening |
2025-08-10 |
| Koellner,Ruben Gideon (2518) – Petkov,Momchil (2522) |
1/2-1/2 |
King's Indian |
2025-08-09 |
| Saric,Iv (2661) – Koellner,Ruben Gideon (2518) |
1/2-1/2 |
Ruy Lopez |
2025-08-08 |
| Mamedov,Rau (2659) – Koellner,Ruben Gideon (2518) |
1-0 |
Philidor |
2025-08-07 |
| Koellner,Ruben Gideon (2518) – Murzin,Volodar (2678) |
1/2-1/2 |
Queen's pawn game |
2025-08-07 |
| Koellner,Ruben Gideon (2518) – Romanov,E (2572) |
1/2-1/2 |
Queen's pawn game, Rubinstein (Colle-Zukertort) variation |
2025-08-06 |
| Sankalp,Gupta (2546) – Koellner,Ruben Gideon (2518) |
1-0 |
Ruy Lopez |
2025-08-05 |
| Hartge,Gedeon (2328) – Koellner,Ruben Gideon (2503) |
0-1 |
King's pawn opening |
2025-06-24 |
| Koellner,Ruben Gideon (2503) – Fathy,E (2300) |
1-0 |
Queen's pawn game |
2025-06-17 |
| Pranav,V (2595) – Koellner,Ruben Gideon (2503) |
1-0 |
Philidor |
2025-06-17 |
| Sedlak,N (2432) – Koellner,Ruben Gideon (2503) |
1/2-1/2 |
English opening |
2025-06-15 |
| Panic,Ne (2311) – Koellner,Ruben Gideon (2503) |
1/2-1/2 |
English |
2025-06-14 |
| Koellner,Ruben Gideon (2503) – Kosic,D (2382) |
1-0 |
Queen's Indian defence |
2025-06-14 |
| Koellner,Ruben Gideon (2503) – Harikrishnan,A (2467) |
1-0 |
Queen's pawn, Mason variation |
2025-06-13 |
| Delchev,A (2444) – Koellner,Ruben Gideon (2503) |
1/2-1/2 |
Philidor |
2025-06-12 |
| Aarav,Dengla (2366) – Koellner,Ruben Gideon (2503) |
1/2-1/2 |
Pirc defence |
2025-06-12 |
| Koellner,Ruben Gideon (2503) – Kovac,Petar (2361) |
1/2-1/2 |
Queen's pawn game |
2025-06-11 |
| Bai,Adelard (2401) – Koellner,Ruben Gideon (2503) |
1/2-1/2 |
Nimzo-Indian |
2025-06-10 |
| Koellner,Ruben Gideon (2503) – Santos Latasa,J (2620) |
0-1 |
Queen's pawn game |
2025-06-01 |
| Injac,Teodora (2474) – Koellner,Ruben Gideon (2503) |
0-1 |
Queen's Pawn |
2025-06-01 |
| Koellner,Ruben Gideon (2503) – Erdos,V (2542) |
0-1 |
Queen's pawn game, Krause variation |
2025-06-01 |
| Halvax,G (2440) – Koellner,Ruben Gideon (2503) |
1/2-1/2 |
Reti opening |
2025-06-01 |