IM Ruben Gideon Koellner
Country
GER
Birth Year
2004 (Age ≈22)
Gender
M
Title
International Master
FIDE ID
12993093
FIDE rating history
View rating lists
Available Games
Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-24 (UTC).
Online games are identified from known tournament names, playing sites and PGN mode. Other games are listed as OTB (over-the-board).
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 601 | 2023-10-17 | Titled Tue 17th Oct Early | chess.com INT | 11 | Ruben Gideon Koellner | Pranav Anand | 0-1 | 30 | Open |
| 602 | 2023-10-17 | Titled Tue 17th Oct Early | chess.com INT | 10 | Etienne Bacrot | Ruben Gideon Koellner | 0-1 | 55 | Open |
| 603 | 2023-10-01 | 60th World Juniors 2023 | Mexico City MEX | 11.11 | Filip Haring | Ruben Gideon Koellner | 1-0 | 78 | Open |
| 604 | 2023-09-30 | 60th World Juniors 2023 | Mexico City MEX | 10.1 | Ruben Gideon Koellner | Tobias Koelle | 1/2-1/2 | 32 | Open |
| 605 | 2023-09-29 | 60th World Juniors 2023 | Mexico City MEX | 9.15 | Noah Fecker | Ruben Gideon Koellner | 0-1 | 28 | Open |
| 606 | 2023-09-28 | 60th World Juniors 2023 | Mexico City MEX | 8.1 | Ruben Gideon Koellner | Dushyant Sharma | 0-1 | 65 | Open |
| 607 | 2023-09-27 | 60th World Juniors 2023 | Mexico City MEX | 7.2 | Gleb Dudin | Ruben Gideon Koellner | 1-0 | 35 | Open |
| 608 | 2023-09-26 | 60th World Juniors 2023 | Mexico City MEX | 6.4 | Ruben Gideon Koellner | Rudik Makarian | 1-0 | 36 | Open |
| 609 | 2023-09-24 | 60th World Juniors 2023 | Mexico City MEX | 5.5 | Nikolozi Kacharava | Ruben Gideon Koellner | 1/2-1/2 | 51 | Open |
| 610 | 2023-09-23 | 60th World Juniors 2023 | Mexico City MEX | 4.1 | Ruben Gideon Koellner | Arseniy Nesterov | 1/2-1/2 | 41 | Open |
| 611 | 2023-09-22 | 60th World Juniors 2023 | Mexico City MEX | 3.12 | Ruben Gideon Koellner | Konstantin Peyrer | 1-0 | 1 | Open |
| 612 | 2023-09-22 | 60th World Juniors 2023 | Mexico City MEX | 2.16 | Juan Sebastian Melian | Ruben Gideon Koellner | 0-1 | 49 | Open |
| 613 | 2023-09-21 | 60th World Juniors 2023 | Mexico City MEX | 1.17 | Ruben Gideon Koellner | Emmanuel Diaz Gonzalez Jardon | 1-0 | 31 | Open |
| 614 | 2023-09-18 | AI Cup Play-In 2023 | chess.com INT | 9 | Ruben Gideon Koellner | Pavel V. Tregubov | 1-0 | 14 | Open |
| 615 | 2023-09-18 | AI Cup Play-In 2023 | chess.com INT | 8 | Robby Kevlishvili | Ruben Gideon Koellner | 1-0 | 15 | Open |
| 616 | 2023-09-18 | AI Cup Play-In 2023 | chess.com INT | 7 | Ruben Gideon Koellner | Benjamin Bok | 1-0 | 49 | Open |
| 617 | 2023-09-18 | AI Cup Play-In 2023 | chess.com INT | 6 | Ruben Gideon Koellner | Tuan Minh Le | 0-1 | 68 | Open |
| 618 | 2023-09-18 | AI Cup Play-In 2023 | chess.com INT | 5 | Shamsiddin Vokhidov | Ruben Gideon Koellner | 1-0 | 26 | Open |
| 619 | 2023-09-18 | AI Cup Play-In 2023 | chess.com INT | 4 | Ruben Gideon Koellner | V Pranav | 1-0 | 43 | Open |
| 620 | 2023-09-18 | AI Cup Play-In 2023 | chess.com INT | 3 | Ruben Gideon Koellner | Rodrigo Vasquez Schroeder | 1-0 | 31 | Open |
| 621 | 2023-09-18 | AI Cup Play-In 2023 | chess.com INT | 2 | Eduardo Iturrizaga Bonelli | Ruben Gideon Koellner | 1-0 | 36 | Open |
| 622 | 2023-09-18 | AI Cup Play-In 2023 | chess.com INT | 1 | Ioan-Cristian Chirila | Ruben Gideon Koellner | 1/2-1/2 | 47 | Open |
| 623 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 9 | Ruben Gideon Koellner | Artyom Timofeev | 1-0 | 66 | Open |
| 624 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 8 | Harsh Suresh | Ruben Gideon Koellner | 0-1 | 79 | Open |
| 625 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 7 | Ruben Gideon Koellner | Bharath Subramaniyam H | 0-1 | 35 | Open |
| 626 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 6 | Vladimir Zakhartsov | Ruben Gideon Koellner | 0-1 | 61 | Open |
| 627 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 5 | Ruben Gideon Koellner | Dmitry Zenin | 1-0 | 44 | Open |
| 628 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 4 | Bruno Andre Leite Martins | Ruben Gideon Koellner | 1/2-1/2 | 72 | Open |
| 629 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 3 | David Paravyan | Ruben Gideon Koellner | 1-0 | 37 | Open |
| 630 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 3 | Ruben Gideon Koellner | Daniel Herman | 1-0 | 35 | Open |
| 631 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 2 | Jose Eduardo Martinez Alcantara | Ruben Gideon Koellner | 1-0 | 28 | Open |
| 632 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 2 | Ruben Gideon Koellner | Jaime Vaglio Munoz | 1-0 | 74 | Open |
| 633 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 1 | Olexandr Shevchuk | Ruben Gideon Koellner | 0-1 | 53 | Open |
| 634 | 2023-09-12 | Titled Tue 12th Sep Late | chess.com INT | 1 | Dimitry Korol | Ruben Gideon Koellner | 0-1 | 32 | Open |
| 635 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 11 | Ruben Gideon Koellner | Jose Angel Guerra Mendez | 1-0 | 22 | Open |
| 636 | 2023-09-12 | Titled Tue 12th Sep Early | chess.com INT | 10 | Anton Demchenko | Ruben Gideon Koellner | 1/2-1/2 | 77 | Open |
| 637 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 7 | Ruben Gideon Koellner | Jose Carlos Ibarra Jerez | 0-1 | 55 | Open |
| 638 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 6 | Ruben Gideon Koellner | Taran Idnani | 1-0 | 93 | Open |
| 639 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 5 | Grigor Grigorov | Ruben Gideon Koellner | 1-0 | 47 | Open |
| 640 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 4 | Ruben Gideon Koellner | Youhe Huang | 1-0 | 21 | Open |
| 641 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 3 | Marcos Rodriguez Fontecha | Ruben Gideon Koellner | 0-1 | 40 | Open |
| 642 | 2023-09-05 | Titled Tue 5th Sep Early | chess.com INT | 2 | Andrey Khromkin | Ruben Gideon Koellner | 1-0 | 22 | Open |
| 643 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 2 | Ruben Gideon Koellner | Alexey Sarana | 0-1 | 28 | Open |
| 644 | 2023-09-05 | Titled Tue 5th Sep Late | chess.com INT | 1 | Samuel Copeland | Ruben Gideon Koellner | 0-1 | 42 | Open |
| 645 | 2023-09-05 | Titled Tue 5th Sep Early | chess.com INT | 1 | Ruben Gideon Koellner | Mathis Sabatier | 0-1 | 28 | Open |
| 646 | 2023-08-29 | Titled Tue 29th Aug Early | chess.com INT | 1 | Viktoriya Tarasova | Ruben Gideon Koellner | 1-0 | 42 | Open |
| 647 | 2023-08-29 | Titled Tue 29th Aug Late | chess.com INT | 1 | Ruben Gideon Koellner | Yago Labussiere | 0-1 | 78 | Open |
| 648 | 2023-08-28 | World Rapid Team 2023 | Dusseldorf GER | 9.4 | Robert Rabiega | Ruben Gideon Koellner | 1/2-1/2 | 38 | Open |
| 649 | 2023-08-28 | World Rapid Team 2023 | Dusseldorf GER | 12.7 | Ruben Gideon Koellner | Evgeny Zanan | 1-0 | 53 | Open |
| 650 | 2023-08-28 | World Rapid Team 2023 | Dusseldorf GER | 11.11 | Ruben Gideon Koellner | Thomas Koch | 1/2-1/2 | 81 | Open |
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