Peter Dittmar
Country
GER
Birth Year
1960
Gender
M
Title
FIDE Master
FIDE ID
4602064
FIDE Rating
2142
FIDE Rating Graph
Games
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-10-12 | 47th Arco Open 2025 | Arco ITA | 9.1 | Peter Dittmar | Tommaso Fuochi | 1/2-1/2 | 12 | Open |
| 2 | 2025-10-11 | 47th Arco Open 2025 | Arco ITA | 8.14 | Soham Dey | Peter Dittmar | 0-1 | 72 | Open |
| 3 | 2025-10-10 | 47th Arco Open 2025 | Arco ITA | 7.14 | Peter Dittmar | Dominique Wiesmann | 1/2-1/2 | 45 | Open |
| 4 | 2025-10-09 | 47th Arco Open 2025 | Arco ITA | 6.14 | Feliks Rutkowski | Peter Dittmar | 1/2-1/2 | 36 | Open |
| 5 | 2025-10-08 | 47th Arco Open 2025 | Arco ITA | 5.1 | Peter Dittmar | Massimo Zucchelli | 1/2-1/2 | 31 | Open |
| 6 | 2025-10-07 | 47th Arco Open 2025 | Arco ITA | 4.9 | Stefano Bellincampi | Peter Dittmar | 1/2-1/2 | 20 | Open |
| 7 | 2025-10-06 | 47th Arco Open 2025 | Arco ITA | 3.21 | Peter Dittmar | Gianluca Ottaviani | 1-0 | 62 | Open |
| 8 | 2025-10-05 | 47th Arco Open 2025 | Arco ITA | 2.44 | Carlo Garlant | Peter Dittmar | 0-1 | 37 | Open |
| 9 | 2025-10-04 | 47th Arco Open 2025 | Arco ITA | 1.17 | Peter Dittmar | Sergio Giuriato | 1/2-1/2 | 59 | Open |
| 10 | 2025-06-01 | Bodensee Open 2025 | Bregenz AUT | 9.13 | Lukas Oestmann | Peter Dittmar | 1/2-1/2 | 47 | Open |
| 11 | 2025-05-31 | Bodensee Open 2025 | Bregenz AUT | 8.6 | Peter Dittmar | Wilfried Hoellrigl | 0-1 | 41 | Open |
| 12 | 2025-05-30 | Bodensee Open 2025 | Bregenz AUT | 7.4 | Peter Wacker | Peter Dittmar | 1/2-1/2 | 19 | Open |
| 13 | 2025-05-29 | Bodensee Open 2025 | Bregenz AUT | 6.1 | Peter Dittmar | Felix Asanger | 1-0 | 22 | Open |
| 14 | 2025-05-28 | Bodensee Open 2025 | Bregenz AUT | 5.9 | Gian Pinelli | Peter Dittmar | 0-1 | 28 | Open |
| 15 | 2025-05-27 | Bodensee Open 2025 | Bregenz AUT | 4.22 | Peter Dittmar | Boris Lenz | 1-0 | 70 | Open |
| 16 | 2025-05-26 | Bodensee Open 2025 | Bregenz AUT | 3.9 | Nikoloz Petriashvili | Peter Dittmar | 1-0 | 25 | Open |
| 17 | 2025-05-25 | Bodensee Open 2025 | Bregenz AUT | 2.2 | Peter Dittmar | Raj Tischbierek | 1/2-1/2 | 33 | Open |
| 18 | 2025-05-24 | Bodensee Open 2025 | Bregenz AUT | 1.18 | Martin Pielawa | Peter Dittmar | 0-1 | 22 | Open |
| 19 | 2025-03-22 | 40th ChessOrg Open | Bad Woerishofen GER | 2.9 | Peter Dittmar | Bryan Smith | 0-1 | 64 | Open |
| 20 | 2024-10-13 | 46th Arco Open 2024 | Arco ITA | 9.22 | Peter Dittmar | Walter Cazzaniga | 1/2-1/2 | 58 | Open |
| 21 | 2024-10-12 | 46th Arco Open 2024 | Arco ITA | 8.17 | Angelo Cardarelli | Peter Dittmar | 1/2-1/2 | 57 | Open |
| 22 | 2024-10-11 | 46th Arco Open 2024 | Arco ITA | 7.24 | Peter Dittmar | Filippo Lombardo | 1-0 | 42 | Open |
| 23 | 2024-10-10 | 46th Arco Open 2024 | Arco ITA | 6.23 | Shiivesh Sunil Malli | Peter Dittmar | 1/2-1/2 | 34 | Open |
| 24 | 2024-10-09 | 46th Arco Open 2024 | Arco ITA | 5.34 | Peter Dittmar | Sergio Nanni | 1-0 | 29 | Open |
| 25 | 2024-10-08 | 46th Arco Open 2024 | Arco ITA | 4.25 | Peter Dittmar | Massimo Buglisi | 0-1 | 41 | Open |
| 26 | 2024-10-07 | 46th Arco Open 2024 | Arco ITA | 3.6 | Jan Boder | Peter Dittmar | 1-0 | 36 | Open |
| 27 | 2024-10-06 | 46th Arco Open 2024 | Arco ITA | 2.29 | Peter Dittmar | Walter De Reymaeker | 1-0 | 40 | Open |
| 28 | 2024-10-05 | 46th Arco Open 2024 | Arco ITA | 1.28 | Ena Bangerter | Peter Dittmar | 0-1 | 57 | Open |
| 29 | 2024-05-12 | Bodensee Open 2024 | Bregenz AUT | 9.8 | Renzo Mantovani | Peter Dittmar | 1/2-1/2 | 11 | Open |
| 30 | 2024-05-11 | Bodensee Open 2024 | Bregenz AUT | 8.15 | Peter Dittmar | Anton Buettner | 1-0 | 31 | Open |
| 31 | 2024-05-10 | Bodensee Open 2024 | Bregenz AUT | 7.2 | Viktor Guba | Peter Dittmar | 0-1 | 36 | Open |
| 32 | 2024-05-09 | Bodensee Open 2024 | Bregenz AUT | 6.18 | Peter Dittmar | Maria Horvath | 1/2-1/2 | 34 | Open |
| 33 | 2024-05-08 | Bodensee Open 2024 | Bregenz AUT | 5.21 | Robert, Dr. Savic | Peter Dittmar | 1/2-1/2 | 47 | Open |
| 34 | 2024-05-07 | Bodensee Open 2024 | Bregenz AUT | 4.11 | Peter Dittmar | Maximilian Ellinger | 1/2-1/2 | 45 | Open |
| 35 | 2024-05-05 | Bodensee Open 2024 | Bregenz AUT | 2.6 | Peter Dittmar | Moritz Weishaeutel | 0-1 | 45 | Open |
| 36 | 2024-05-04 | Bodensee Open 2024 | Bregenz AUT | 1.25 | Manuel Pribozic | Peter Dittmar | 0-1 | 75 | Open |
| 37 | 2023-10-15 | 45th Arco Open 2023 | Arco ITA | 9.7 | Peter Dittmar | Bela Molnar | 1/2-1/2 | 8 | Open |
| 38 | 2023-10-14 | 45th Arco Open 2023 | Arco ITA | 8.11 | Zdenek Bartonicek | Peter Dittmar | 0-1 | 35 | Open |
| 39 | 2023-10-13 | 45th Arco Open 2023 | Arco ITA | 7.17 | Peter Dittmar | Filip Ochedzan | 1-0 | 33 | Open |
| 40 | 2023-10-12 | 45th Arco Open 2023 | Arco ITA | 6.16 | Andrea Jonathan Fasiello | Peter Dittmar | 1/2-1/2 | 17 | Open |
| 41 | 2023-10-11 | 45th Arco Open 2023 | Arco ITA | 5.16 | Peter Dittmar | Ali Al-hamed Zayed | 1/2-1/2 | 23 | Open |
| 42 | 2023-10-10 | 45th Arco Open 2023 | Arco ITA | 4.19 | Laertes Neuhoff | Peter Dittmar | 0-1 | 68 | Open |
| 43 | 2023-10-09 | 45th Arco Open 2023 | Arco ITA | 3.31 | Peter Dittmar | Giuseppe Guglielmi | 1-0 | 28 | Open |
| 44 | 2023-10-08 | 45th Arco Open 2023 | Arco ITA | 2.39 | Peter Dittmar | Nina Bruessow | 1/2-1/2 | 28 | Open |
| 45 | 2023-05-21 | Bodensee Open 2023 | Bregenz AUT | 9.12 | Peter Dittmar | Thomas Kuhn | 1-0 | 35 | Open |
| 46 | 2023-05-20 | Bodensee Open 2023 | Bregenz AUT | 8.12 | Volker Bub | Peter Dittmar | 1/2-1/2 | 38 | Open |
| 47 | 2023-05-19 | Bodensee Open 2023 | Bregenz AUT | 7.17 | Peter Dittmar | Bernhard Hehle | 1-0 | 26 | Open |
| 48 | 2023-05-18 | Bodensee Open 2023 | Bregenz AUT | 6.15 | Kai Steiner | Peter Dittmar | 1/2-1/2 | 42 | Open |
| 49 | 2023-05-17 | Bodensee Open 2023 | Bregenz AUT | 5.6 | Fabian Matt | Peter Dittmar | 1-0 | 44 | Open |
| 50 | 2023-05-16 | Bodensee Open 2023 | Bregenz AUT | 4.13 | Peter Dittmar | Michael, Dr. Uhl | 1-0 | 56 | Open |
| 51 | 2023-05-15 | Bodensee Open 2023 | Bregenz AUT | 3.6 | Peter Dittmar | Elia Cafasso | 1/2-1/2 | 29 | Open |
| 52 | 2023-05-14 | Bodensee Open 2023 | Bregenz AUT | 2.11 | Benjamin Kienboeck | Peter Dittmar | 1/2-1/2 | 24 | Open |
| 53 | 2023-05-13 | Bodensee Open 2023 | Bregenz AUT | 1.17 | Peter Dittmar | Colin Federer | 1-0 | 49 | Open |
| 54 | 2023-03-11 | 38th ChessOrg Open | Bad Woerishofen GER | 9.2 | Peter Dittmar | Carlo Marzano | 1/2-1/2 | 27 | Open |
| 55 | 2023-03-07 | 38th ChessOrg Open | Bad Woerishofen GER | 5.31 | Peter Dittmar | Michael Jungbluth | 1/2-1/2 | 24 | Open |
| 56 | 2023-03-06 | 38th ChessOrg Open | Bad Woerishofen GER | 4.42 | Harald Koch | Peter Dittmar | 0-1 | 31 | Open |
| 57 | 2023-03-05 | 38th ChessOrg Open | Bad Woerishofen GER | 3.22 | Peter Dittmar | Lukas Forster | 0-1 | 52 | Open |
| 58 | 2022-10-16 | 44th Arco Open 2022 | Arco ITA | 9.4 | Bryan Smith | Peter Dittmar | 1-0 | 33 | Open |
| 59 | 2022-10-15 | 44th Arco Open 2022 | Arco ITA | 8.8 | Peter Dittmar | Bence Bernath | 1-0 | 33 | Open |
| 60 | 2022-10-14 | 44th Arco Open 2022 | Arco ITA | 7.12 | Wolfgang, Dr. Hartmann | Peter Dittmar | 0-1 | 65 | Open |
| 61 | 2022-10-13 | 44th Arco Open 2022 | Arco ITA | 6.21 | Botond Feher | Peter Dittmar | 0-1 | 42 | Open |
| 62 | 2022-10-12 | 44th Arco Open 2022 | Arco ITA | 5.11 | Peter Dittmar | Alexander Lang | 0-1 | 40 | Open |
| 63 | 2022-10-11 | 44th Arco Open 2022 | Arco ITA | 4.12 | Andreas Masio | Peter Dittmar | 1/2-1/2 | 39 | Open |
| 64 | 2022-10-10 | 44th Arco Open 2022 | Arco ITA | 3.13 | Peter Dittmar | Heinz Hopfgartner | 1/2-1/2 | 45 | Open |
| 65 | 2022-10-09 | 44th Arco Open 2022 | Arco ITA | 2.14 | Klaus Link | Peter Dittmar | 0-1 | 34 | Open |
| 66 | 2022-10-08 | 44th Arco Open 2022 | Arco ITA | 1.14 | Peter Dittmar | Savino Di Lascio | 1-0 | 43 | Open |
| 67 | 2022-05-28 | Bodensee Open 2022 | Bregenz AUT | 8.11 | Christian Kozissnik | Peter Dittmar | 1-0 | 52 | Open |
| 68 | 2022-05-27 | Bodensee Open 2022 | Bregenz AUT | 7.11 | Peter Dittmar | Julia Novkovic | 1/2-1/2 | 34 | Open |
| 69 | 2022-05-26 | Bodensee Open 2022 | Bregenz AUT | 6.15 | Dominik Arndt | Peter Dittmar | 0-1 | 21 | Open |
| 70 | 2022-05-25 | Bodensee Open 2022 | Bregenz AUT | 5.6 | Peter Dittmar | Philipp Schlosser | 0-1 | 49 | Open |
| 71 | 2022-05-24 | Bodensee Open 2022 | Bregenz AUT | 4.14 | Abe Willemsma | Peter Dittmar | 0-1 | 42 | Open |
| 72 | 2022-05-23 | Bodensee Open 2022 | Bregenz AUT | 3.12 | Peter Dittmar | Annika Froewis | 1/2-1/2 | 56 | Open |
| 73 | 2022-05-21 | Bodensee Open 2022 | Bregenz AUT | 1.16 | Peter Dittmar | Lars Balzer | 1/2-1/2 | 30 | Open |
| 74 | 2021-10-17 | 43rd Arco Open 2021 | Arco ITA | 9.11 | Caius Emilian Kempe | Peter Dittmar | 0-1 | 31 | Open |
| 75 | 2021-10-16 | 43rd Arco Open 2021 | Arco ITA | 8.11 | Peter Dittmar | Emiliano Mastroddi | 1-0 | 50 | Open |
| 76 | 2021-10-15 | 43rd Arco Open 2021 | Arco ITA | 7.11 | Oleg M Romanishin | Peter Dittmar | 1-0 | 37 | Open |
| 77 | 2021-10-14 | 43rd Arco Open 2021 | Arco ITA | 6.11 | Peter Dittmar | Ilja Sirosh | 1/2-1/2 | 129 | Open |
| 78 | 2021-10-13 | 43rd Arco Open 2021 | Arco ITA | 5.11 | Thorsten Meyer | Peter Dittmar | 0-1 | 50 | Open |
| 79 | 2021-10-12 | 43rd Arco Open 2021 | Arco ITA | 4.11 | Peter Dittmar | Sohum Lohia | 1/2-1/2 | 58 | Open |
| 80 | 2021-10-11 | 43rd Arco Open 2021 | Arco ITA | 3.11 | Savino Di Lascio | Peter Dittmar | 0-1 | 42 | Open |
| 81 | 2021-10-10 | 43rd Arco Open 2021 | Arco ITA | 2.11 | Peter Dittmar | Alexander Lang | 1/2-1/2 | 27 | Open |
| 82 | 2021-10-09 | 43rd Arco Open 2021 | Arco ITA | 1.13 | Giada Rinaudo | Peter Dittmar | 0-1 | 26 | Open |
| 83 | 2020-10-18 | 42nd Arco Open 2020 | Arco ITA | 9.5 | Elena Sedina | Peter Dittmar | 1/2-1/2 | 14 | Open |
| 84 | 2020-10-17 | 42nd Arco Open 2020 | Arco ITA | 8.6 | Peter Dittmar | Deyan Samuil Kostov | 1/2-1/2 | 62 | Open |
| 85 | 2020-10-16 | 42nd Arco Open 2020 | Arco ITA | 7.5 | Marko Perestjuk | Peter Dittmar | 1/2-1/2 | 23 | Open |
| 86 | 2020-10-15 | 42nd Arco Open 2020 | Arco ITA | 6.5 | Peter Dittmar | Fabrizio Molina | 1/2-1/2 | 20 | Open |
| 87 | 2020-10-14 | 42nd Arco Open 2020 | Arco ITA | 5.4 | Monika Spalir | Peter Dittmar | 1/2-1/2 | 20 | Open |
| 88 | 2020-10-13 | 42nd Arco Open 2020 | Arco ITA | 4.2 | Peter Dittmar | Sebastian Siebrecht | 1/2-1/2 | 14 | Open |
| 89 | 2020-10-12 | 42nd Arco Open 2020 | Arco ITA | 3.8 | Mariano Cardili | Peter Dittmar | 0-1 | 25 | Open |
| 90 | 2020-10-11 | 42nd Arco Open 2020 | Arco ITA | 2.11 | Peter Dittmar | Danilo Mario Altieri | 1-0 | 42 | Open |
| 91 | 2020-10-10 | 42nd Arco Open 2020 | Arco ITA | 1.13 | Jakob Bruessow | Peter Dittmar | 0-1 | 28 | Open |
| 92 | 2020-03-14 | 36th ChessOrg Open | Bad Woerishofen GER | 9.8 | Peter Dittmar | Lev Gutman | 0-1 | 22 | Open |
| 93 | 2020-01-05 | Basel Masters 2020 | Basel SUI | 7.4 | Peter Dittmar | Guido Neuberger | 1-0 | 26 | Open |
| 94 | 2020-01-05 | Basel Masters 2020 | Basel SUI | 6.6 | Thomas Held | Peter Dittmar | 0-1 | 23 | Open |
| 95 | 2020-01-04 | Basel Masters 2020 | Basel SUI | 5.7 | Peter Dittmar | Frank Weidt | 1-0 | 24 | Open |
| 96 | 2020-01-04 | Basel Masters 2020 | Basel SUI | 4.2 | Andrei Istratescu | Peter Dittmar | 1-0 | 21 | Open |
| 97 | 2020-01-02 | Basel Masters 2020 | Basel SUI | 1.9 | Peter Dittmar | Bernhard Rohde | 1-0 | 40 | Open |
| 98 | 2019-10-12 | 41st Arco Open 2019 | Arco ITA | 9.16 | Peter Dittmar | Mariano Cardili | 1-0 | 35 | Open |
| 99 | 2019-10-11 | 41st Arco Open 2019 | Arco ITA | 8.15 | Peter Dittmar | Aron Pasti | 1/2-1/2 | 42 | Open |
| 100 | 2019-10-10 | 41st Arco Open 2019 | Arco ITA | 7.17 | Ludo Tolhuizen | Peter Dittmar | 1/2-1/2 | 26 | Open |
| 101 | 2019-10-09 | 41st Arco Open 2019 | Arco ITA | 6.12 | Peter Dittmar | Peter Klings | 1/2-1/2 | 25 | Open |
| 102 | 2019-10-08 | 41st Arco Open 2019 | Arco ITA | 5.21 | Marco Tricoli | Peter Dittmar | 0-1 | 22 | Open |
| 103 | 2019-10-07 | 41st Arco Open 2019 | Arco ITA | 4.2 | Peter Dittmar | Simone Bergero | 1/2-1/2 | 44 | Open |
| 104 | 2019-10-06 | 41st Arco Open 2019 | Arco ITA | 3.8 | Andre Nicolas Heidel | Peter Dittmar | 1-0 | 54 | Open |
| 105 | 2019-10-05 | 41st Arco Open 2019 | Arco ITA | 2.15 | Peter Dittmar | Andreas Wernet | 1-0 | 34 | Open |
| 106 | 2019-10-04 | 41st Arco Open 2019 | Arco ITA | 1.15 | Domenico Blasco | Peter Dittmar | 0-1 | 54 | Open |
| 107 | 2019-09-08 | 23rd Cesenatico Open 2019 | Cesenatico ITA | 9.7 | Peter Dittmar | Giuseppe Voltolini | 1-0 | 69 | Open |
| 108 | 2019-09-07 | 23rd Cesenatico Open 2019 | Cesenatico ITA | 8.1 | Vladimir Paleologu | Peter Dittmar | 0-1 | 49 | Open |
| 109 | 2019-09-06 | 23rd Cesenatico Open 2019 | Cesenatico ITA | 7.7 | Peter Dittmar | Alex Dobboletta | 1/2-1/2 | 82 | Open |
| 110 | 2019-09-05 | 23rd Cesenatico Open 2019 | Cesenatico ITA | 6.1 | Andrea Drei | Peter Dittmar | 1/2-1/2 | 25 | Open |
| 111 | 2019-09-03 | 23rd Cesenatico Open 2019 | Cesenatico ITA | 3.3 | Peter Dittmar | Edoardo Di Benedetto | 0-1 | 31 | Open |
| 112 | 2019-09-02 | 23rd Cesenatico Open 2019 | Cesenatico ITA | 2.8 | Federico Tonetto | Peter Dittmar | 1/2-1/2 | 39 | Open |
| 113 | 2019-06-02 | Bodensee Open 2019 | Bregenz AUT | 9.9 | Peter Dittmar | Alje Hovenga | 1/2-1/2 | 16 | Open |
| 114 | 2019-06-01 | Bodensee Open 2019 | Bregenz AUT | 8.12 | Peter Dittmar | Vera Medunova | 1-0 | 45 | Open |
| 115 | 2019-05-31 | Bodensee Open 2019 | Bregenz AUT | 7.11 | Ruediger Nickel | Peter Dittmar | 1/2-1/2 | 18 | Open |
| 116 | 2019-05-30 | Bodensee Open 2019 | Bregenz AUT | 6.3 | Peter Dittmar | Vladimir Epishin | 0-1 | 58 | Open |
| 117 | 2019-05-29 | Bodensee Open 2019 | Bregenz AUT | 5.9 | Albrecht Weidel | Peter Dittmar | 0-1 | 35 | Open |
| 118 | 2019-05-28 | Bodensee Open 2019 | Bregenz AUT | 4.9 | Peter Dittmar | Hardy Sydow | 1/2-1/2 | 19 | Open |
| 119 | 2019-05-27 | Bodensee Open 2019 | Bregenz AUT | 3.11 | Bernhard Hehle | Peter Dittmar | 1/2-1/2 | 14 | Open |
| 120 | 2019-05-26 | Bodensee Open 2019 | Bregenz AUT | 2.14 | Peter Dittmar | Peter Ladner | 1-0 | 22 | Open |
| 121 | 2018-12-28 | 9th Arco Christmas Open | Arco ITA | 4.2 | Peter Dittmar | Angelo Damia | 1/2-1/2 | 6 | Open |
| 122 | 2018-12-27 | 9th Arco Christmas Open | Arco ITA | 3.5 | Alberto Mortola | Peter Dittmar | 0-1 | 74 | Open |
| 123 | 2018-12-27 | 9th Arco Christmas Open | Arco ITA | 2.4 | Peter Dittmar | Alex Dobboletta | 1/2-1/2 | 34 | Open |
| 124 | 2018-12-26 | 9th Arco Christmas Open | Arco ITA | 1.6 | Franco Privitera | Peter Dittmar | 0-1 | 26 | Open |
| 125 | 2018-10-21 | 40th Arco Open 2018 | Arco ITA | 9.13 | Michael, Dr. Trauth | Peter Dittmar | 1/2-1/2 | 26 | Open |
| 126 | 2018-10-20 | 40th Arco Open 2018 | Arco ITA | 8.6 | Peter Dittmar | Frank Zeller | 0-1 | 49 | Open |
| 127 | 2018-10-19 | 40th Arco Open 2018 | Arco ITA | 7.8 | Endre Csiki | Peter Dittmar | 1/2-1/2 | 30 | Open |
| 128 | 2018-10-18 | 40th Arco Open 2018 | Arco ITA | 6.18 | Peter Dittmar | Ruben Bernardi | 1-0 | 40 | Open |
| 129 | 2018-10-17 | 40th Arco Open 2018 | Arco ITA | 5.3 | Csaba Horvath | Peter Dittmar | 1-0 | 32 | Open |
| 130 | 2018-10-16 | 40th Arco Open 2018 | Arco ITA | 4.1 | Peter Dittmar | Corrado Astengo | 1-0 | 45 | Open |
| 131 | 2018-10-15 | 40th Arco Open 2018 | Arco ITA | 3.17 | Kees Stap | Peter Dittmar | 0-1 | 46 | Open |
| 132 | 2018-10-14 | 40th Arco Open 2018 | Arco ITA | 2.35 | Peter Dittmar | Claudio Gasperoni | 1-0 | 22 | Open |
| 133 | 2018-10-13 | 40th Arco Open 2018 | Arco ITA | 1.21 | Marco Rocchetti | Peter Dittmar | 1/2-1/2 | 71 | Open |
| 134 | 2018-06-24 | 4th ad Gredine Open 2018 | Ortisei ITA | 9.15 | Martin Wecker | Peter Dittmar | 1-0 | 35 | Open |
| 135 | 2018-06-23 | 4th ad Gredine Open 2018 | Ortisei ITA | 8.16 | Peter Dittmar | Stefan Moroder | 1/2-1/2 | 29 | Open |
| 136 | 2018-06-22 | 4th ad Gredine Open 2018 | Ortisei ITA | 7.18 | Gianni De Vita | Peter Dittmar | 0-1 | 72 | Open |
| 137 | 2018-06-19 | 4th ad Gredine Open 2018 | Ortisei ITA | 4.17 | Peter Dittmar | Michael, Dr. Uhl | 0-1 | 80 | Open |
| 138 | 2018-06-18 | 4th ad Gredine Open 2018 | Ortisei ITA | 3.17 | Aleksandar Panjkovic | Peter Dittmar | 1/2-1/2 | 47 | Open |
| 139 | 2018-06-17 | 4th ad Gredine Open 2018 | Ortisei ITA | 2.5 | Peter Dittmar | Luca Jr Moroni | 0-1 | 23 | Open |
| 140 | 2018-06-16 | 4th ad Gredine Open 2018 | Ortisei ITA | 1.25 | Axel, Dr. Fehr | Peter Dittmar | 0-1 | 45 | Open |
| 141 | 2018-05-11 | Bodensee Open 2018 | Bregenz AUT | 7.18 | Ruediger Nickel | Peter Dittmar | 1/2-1/2 | 48 | Open |
| 142 | 2018-05-10 | Bodensee Open 2018 | Bregenz AUT | 6.1 | Peter Dittmar | Peter Maier | 0-1 | 23 | Open |
| 143 | 2018-05-09 | Bodensee Open 2018 | Bregenz AUT | 5.15 | Alex-Sacha Ladisic | Peter Dittmar | 0-1 | 67 | Open |
| 144 | 2018-05-08 | Bodensee Open 2018 | Bregenz AUT | 4.9 | Peter Dittmar | John M Quinn | 1/2-1/2 | 48 | Open |
| 145 | 2018-05-07 | Bodensee Open 2018 | Bregenz AUT | 3.13 | Albrecht Weidel | Peter Dittmar | 1/2-1/2 | 30 | Open |
| 146 | 2018-05-05 | Bodensee Open 2018 | Bregenz AUT | 1.11 | Peter Frost | Peter Dittmar | 1/2-1/2 | 63 | Open |
| 147 | 2018-03-02 | 34th ChessOrg Open | Bad Woerishofen GER | 8.9 | Andreas, Dr. Tennstedt | Peter Dittmar | 0-1 | 25 | Open |
| 148 | 2018-02-28 | 34th ChessOrg Open | Bad Woerishofen GER | 6.1 | Marcus Schmuecker | Peter Dittmar | 1-0 | 35 | Open |
| 149 | 2018-02-26 | 34th ChessOrg Open | Bad Woerishofen GER | 4.8 | Michael Tscharotschkin | Peter Dittmar | 1/2-1/2 | 22 | Open |
| 150 | 2018-02-25 | 34th ChessOrg Open | Bad Woerishofen GER | 3.1 | Peter Dittmar | Vladimir Burmakin | 1/2-1/2 | 33 | Open |
| 151 | 2018-02-24 | 34th ChessOrg Open | Bad Woerishofen GER | 2.12 | Peter Dittmar | Matthias Tafertshofer | 1-0 | 40 | Open |
| 152 | 2018-02-04 | 2nd Bundesliga Sud 2017-18 | Germany GER | 8.3 | Sasa Martinovic | Peter Dittmar | 1-0 | 52 | Open |
| 153 | 2018-02-03 | 2nd Bundesliga Sud 2017-18 | Germany GER | 7.3 | Peter Dittmar | Branimir Vujic | 1-0 | 50 | Open |
| 154 | 2017-12-30 | 8th Arco Christmas Open | Arco ITA | 7.1 | Alberto Perino | Peter Dittmar | 1/2-1/2 | 16 | Open |
| 155 | 2017-12-29 | 8th Arco Christmas Open | Arco ITA | 6.1 | Peter Dittmar | Roberto Negro | 1/2-1/2 | 25 | Open |
| 156 | 2017-12-29 | 8th Arco Christmas Open | Arco ITA | 5.1 | Alessio De Santis | Peter Dittmar | 1/2-1/2 | 9 | Open |
| 157 | 2017-12-28 | 8th Arco Christmas Open | Arco ITA | 4.1 | Peter Dittmar | Rikard Medancic | 1-0 | 44 | Open |
| 158 | 2017-12-27 | 8th Arco Christmas Open | Arco ITA | 3.1 | Lorenzo Bardone | Peter Dittmar | 0-1 | 64 | Open |
| 159 | 2017-12-27 | 8th Arco Christmas Open | Arco ITA | 2.1 | Peter Dittmar | Andrea Murgia | 1-0 | 27 | Open |
| 160 | 2017-12-26 | 8th Arco Christmas Open | Arco ITA | 1.1 | Luca Zanin | Peter Dittmar | 0-1 | 70 | Open |
| 161 | 2017-12-10 | 2nd Bundesliga Sud 2017-18 | Germany GER | 6.3 | Peter Dittmar | Marcin Tazbir | 1/2-1/2 | 58 | Open |
| 162 | 2017-12-09 | 2nd Bundesliga Sud 2017-18 | Germany GER | 5.3 | Oskar Wieczorek | Peter Dittmar | 1/2-1/2 | 52 | Open |
| 163 | 2017-11-12 | 2nd Bundesliga Sud 2017-18 | Germany GER | 4.3 | Peter Dittmar | Sergey A. Fedorchuk | 0-1 | 40 | Open |
| 164 | 2017-10-22 | 2nd Bundesliga Sud 2017-18 | Germany GER | 2.3 | Florian Mesaros | Peter Dittmar | 1-0 | 68 | Open |
| 165 | 2017-10-21 | 2nd Bundesliga Sud 2017-18 | Germany GER | 1.3 | Peter Dittmar | Christian Maier | 0-1 | 36 | Open |
| 166 | 2017-10-15 | 39th Arco Open 2017 | Arco ITA | 9.5 | Peter Dittmar | Pierluigi Passerotti | 1-0 | 47 | Open |
| 167 | 2017-10-14 | 39th Arco Open 2017 | Arco ITA | 8.1 | Nikita Petrov | Peter Dittmar | 1-0 | 47 | Open |
| 168 | 2017-10-13 | 39th Arco Open 2017 | Arco ITA | 7.2 | Peter Dittmar | Sergey Kasparov | 1/2-1/2 | 7 | Open |
| 169 | 2017-10-12 | 39th Arco Open 2017 | Arco ITA | 6.5 | Giuseppe Valenti | Peter Dittmar | 0-1 | 26 | Open |
| 170 | 2017-10-11 | 39th Arco Open 2017 | Arco ITA | 5.4 | Peter Dittmar | Oleg M Romanishin | 1/2-1/2 | 24 | Open |
| 171 | 2017-10-10 | 39th Arco Open 2017 | Arco ITA | 4.8 | Giuseppe Voltolini | Peter Dittmar | 0-1 | 20 | Open |
| 172 | 2017-10-09 | 39th Arco Open 2017 | Arco ITA | 3.12 | Peter Dittmar | Sebastian Voelker | 1-0 | 17 | Open |
| 173 | 2017-10-08 | 39th Arco Open 2017 | Arco ITA | 2.9 | Emiliano Mastroddi | Peter Dittmar | 1/2-1/2 | 37 | Open |
| 174 | 2017-10-07 | 39th Arco Open 2017 | Arco ITA | 1.1 | Peter Dittmar | Stefano Morselli | 1-0 | 26 | Open |
| 175 | 2017-05-28 | Bodensee Open 2017 | Bregenz AUT | 9.8 | Michael Higatsberger | Peter Dittmar | 0-1 | 42 | Open |
| 176 | 2017-05-27 | Bodensee Open 2017 | Bregenz AUT | 8.5 | Peter Dittmar | Ruediger Nickel | 1/2-1/2 | 53 | Open |
| 177 | 2017-05-26 | Bodensee Open 2017 | Bregenz AUT | 7.1 | Teodora Rogozenco | Peter Dittmar | 0-1 | 61 | Open |
| 178 | 2017-05-25 | Bodensee Open 2017 | Bregenz AUT | 6.1 | Peter Dittmar | Dietmar, Dr. Fauth | 1/2-1/2 | 66 | Open |
| 179 | 2017-05-22 | Bodensee Open 2017 | Bregenz AUT | 3.15 | Milos Sarmir | Peter Dittmar | 1-0 | 37 | Open |
| 180 | 2017-05-21 | Bodensee Open 2017 | Bregenz AUT | 2.1 | Peter Dittmar | Juerg Jenal | 1/2-1/2 | 35 | Open |
| 181 | 2017-05-20 | Bodensee Open 2017 | Bregenz AUT | 1.1 | Axel Blumenstock | Peter Dittmar | 0-1 | 35 | Open |
| 182 | 2017-03-14 | 33rd ChessOrg Open | Bad Woerishofen GER | 5.3 | 4101715 | Peter Dittmar | 1-0 | 30 | Open |
| 183 | 2017-03-13 | 33rd ChessOrg Open | Bad Woerishofen GER | 4.7 | Peter Dittmar | Matthias Budzyn | 1-0 | 33 | Open |
| 184 | 2016-10-16 | 38th Arco Open 2016 | Arco ITA | 9.11 | Gianni Facchetti | Peter Dittmar | 1/2-1/2 | 76 | Open |
| 185 | 2016-10-15 | 38th Arco Open 2016 | Arco ITA | 8.2 | Peter Dittmar | Nikita Petrov | 0-1 | 21 | Open |
| 186 | 2016-10-14 | 38th Arco Open 2016 | Arco ITA | 7.7 | Peter Dittmar | Josef Ager | 1-0 | 35 | Open |
| 187 | 2016-10-13 | 38th Arco Open 2016 | Arco ITA | 6.2 | Andrey Sumets | Peter Dittmar | 1-0 | 58 | Open |
| 188 | 2016-10-12 | 38th Arco Open 2016 | Arco ITA | 5.2 | Peter Dittmar | Elena Sedina | 1/2-1/2 | 10 | Open |
| 189 | 2016-10-11 | 38th Arco Open 2016 | Arco ITA | 4.3 | Fabio Bruno | Peter Dittmar | 1/2-1/2 | 30 | Open |
| 190 | 2016-10-10 | 38th Arco Open 2016 | Arco ITA | 3.6 | Peter Dittmar | Marco Lezzerini | 1-0 | 53 | Open |
| 191 | 2016-10-09 | 38th Arco Open 2016 | Arco ITA | 2.8 | Mariano Cardili | Peter Dittmar | 0-1 | 31 | Open |
| 192 | 2016-10-08 | 38th Arco Open 2016 | Arco ITA | 1.9 | Peter Dittmar | Francesco Bozzao | 1-0 | 38 | Open |
| 193 | 2016-06-11 | 3rd Server24 Open | Ortisei ITA | 9.12 | Peter Dittmar | Lorenzo Lodici | 1/2-1/2 | 27 | Open |
| 194 | 2016-06-10 | 3rd Server24 Open | Ortisei ITA | 8.18 | Benjamin Ruecker | Peter Dittmar | 1/2-1/2 | 9 | Open |
| 195 | 2016-06-09 | 3rd Server24 Open | Ortisei ITA | 7.8 | Peter Dittmar | Prasanna Raghuram Rao | 0-1 | 41 | Open |
| 196 | 2016-06-08 | 3rd Server24 Open | Ortisei ITA | 6.12 | Jonas Buhl Bjerre | Peter Dittmar | 0-1 | 34 | Open |
| 197 | 2016-06-05 | 3rd Server24 Open | Ortisei ITA | 3.9 | Peter Dittmar | Renier Castellanos Rodriguez | 0-1 | 46 | Open |
| 198 | 2016-05-08 | Bodensee Open 2016 | Bregenz AUT | 9.8 | Peter Dittmar | Michael Raddatz | 1-0 | 20 | Open |
| 199 | 2016-05-07 | Bodensee Open 2016 | Bregenz AUT | 8.8 | Dennis Breuker | Peter Dittmar | 1/2-1/2 | 32 | Open |
| 200 | 2016-05-06 | Bodensee Open 2016 | Bregenz AUT | 7.1 | Peter Dittmar | Vera Medunova | 1-0 | 40 | Open |
| 201 | 2016-05-05 | Bodensee Open 2016 | Bregenz AUT | 6.11 | Julia Novkovic | Peter Dittmar | 1/2-1/2 | 85 | Open |
| 202 | 2016-05-03 | Bodensee Open 2016 | Bregenz AUT | 4.6 | Peter Dittmar | Alexander Pluska | 0-1 | 45 | Open |
| 203 | 2016-05-02 | Bodensee Open 2016 | Bregenz AUT | 3.13 | Peter Dittmar | Sergey Voronenkov | 1-0 | 26 | Open |
| 204 | 2016-05-01 | Bodensee Open 2016 | Bregenz AUT | 2.13 | Guenther Ballon | Peter Dittmar | 1/2-1/2 | 43 | Open |
| 205 | 2016-04-30 | Bodensee Open 2016 | Bregenz AUT | 1.13 | Peter Dittmar | Duke Kreutzmann | 1-0 | 40 | Open |
| 206 | 2015-10-18 | 37th Arco Open 2015 | Arco ITA | 9.11 | Peter Dittmar | Alessio Gallucci | 1-0 | 42 | Open |
| 207 | 2015-10-17 | 37th Arco Open 2015 | Arco ITA | 8.17 | Fritz Maurer | Peter Dittmar | 0-1 | 35 | Open |
| 208 | 2015-10-16 | 37th Arco Open 2015 | Arco ITA | 7.9 | Peter Dittmar | Stefano Battistella | 0-1 | 36 | Open |
| 209 | 2015-10-15 | 37th Arco Open 2015 | Arco ITA | 6.6 | Stephane Reinert | Peter Dittmar | 1/2-1/2 | 37 | Open |
| 210 | 2015-10-14 | 37th Arco Open 2015 | Arco ITA | 5.7 | Peter Dittmar | Corrado Astengo | 1/2-1/2 | 25 | Open |
| 211 | 2015-10-13 | 37th Arco Open 2015 | Arco ITA | 4.7 | Axel, Dr. Fehr | Peter Dittmar | 1/2-1/2 | 19 | Open |
| 212 | 2015-10-12 | 37th Arco Open 2015 | Arco ITA | 3.12 | Peter Dittmar | Reinhard Seebacher | 1-0 | 25 | Open |
| 213 | 2015-10-11 | 37th Arco Open 2015 | Arco ITA | 2.1 | Carlo Barlocco | Peter Dittmar | 1/2-1/2 | 27 | Open |
| 214 | 2015-10-10 | 37th Arco Open 2015 | Arco ITA | 1.1 | Peter Dittmar | Massimo Buglisi | 1-0 | 32 | Open |
| 215 | 2015-09-12 | 19th Cesenatico Open 2015 | Cesenatico ITA | 8.7 | Peter Dittmar | Ivan Kul | 1/2-1/2 | 46 | Open |
| 216 | 2015-09-11 | 19th Cesenatico Open 2015 | Cesenatico ITA | 7.4 | 4101715 | Peter Dittmar | 1-0 | 27 | Open |
| 217 | 2015-09-09 | 19th Cesenatico Open 2015 | Cesenatico ITA | 5.7 | Peter Dittmar | Alberto Barp | 1/2-1/2 | 12 | Open |
| 218 | 2015-09-08 | 19th Cesenatico Open 2015 | Cesenatico ITA | 4.3 | Aurelio Colmenares | Peter Dittmar | 1-0 | 31 | Open |
| 219 | 2015-09-07 | 19th Cesenatico Open 2015 | Cesenatico ITA | 3.8 | Peter Dittmar | Alan Mauro | 1-0 | 25 | Open |
| 220 | 2015-05-17 | Bodensee Open 2015 | Bregenz AUT | 9.9 | Peter Dittmar | Johannes Mann | 0-1 | 32 | Open |
| 221 | 2015-05-15 | Bodensee Open 2015 | Bregenz AUT | 7.1 | Peter Dittmar | Johannes Sucher | 1/2-1/2 | 18 | Open |
| 222 | 2015-05-14 | Bodensee Open 2015 | Bregenz AUT | 6.1 | Matthias Krallmann | Peter Dittmar | 1/2-1/2 | 55 | Open |
| 223 | 2014-10-11 | 36th Arco Open 2014 | Arco ITA | 8.3 | Milan Drasko | Peter Dittmar | 1/2-1/2 | 30 | Open |
| 224 | 2014-10-10 | 36th Arco Open 2014 | Arco ITA | 7.4 | Peter Dittmar | Alessandro Altea | 1-0 | 72 | Open |
| 225 | 2014-10-09 | 36th Arco Open 2014 | Arco ITA | 6.3 | Ruben Bernardi | Peter Dittmar | 1/2-1/2 | 34 | Open |
| 226 | 2014-10-08 | 36th Arco Open 2014 | Arco ITA | 5.5 | Peter Dittmar | Giuseppe Valenti | 1-0 | 18 | Open |
| 227 | 2014-10-07 | 36th Arco Open 2014 | Arco ITA | 4.5 | Bader Al-Hajiri | Peter Dittmar | 1/2-1/2 | 51 | Open |
| 228 | 2014-10-06 | 36th Arco Open 2014 | Arco ITA | 3.18 | Peter Dittmar | Giulio Simeone | 1-0 | 39 | Open |
| 229 | 2014-10-04 | 36th Arco Open 2014 | Arco ITA | 1.6 | Peter Dittmar | Gianpietro Zangrando | 1/2-1/2 | 40 | Open |
| 230 | 2014-05-30 | 32nd Liechtenstein Open | Triesen LIE | 8.9 | Mathias Womacka | Peter Dittmar | 1-0 | 33 | Open |
| 231 | 2014-05-29 | 32nd Liechtenstein Open | Triesen LIE | 7 | Peter Dittmar | Alje Hovenga | 1-0 | 68 | Open |
| 232 | 2014-05-28 | 32nd Liechtenstein Open | Triesen LIE | 6.15 | Christian Melde | Peter Dittmar | 0-1 | 17 | Open |
| 233 | 2014-05-27 | 32nd Liechtenstein Open | Triesen LIE | 5.9 | Peter Dittmar | Peter Doggers | 0-1 | 34 | Open |
| 234 | 2014-05-26 | 32nd Liechtenstein Open | Triesen LIE | 4.12 | Bert Houweling | Peter Dittmar | 0-1 | 29 | Open |
| 235 | 2014-05-25 | 32nd Liechtenstein Open | Triesen LIE | 3.17 | Peter Dittmar | Ralf Lenninger | 1-0 | 42 | Open |
| 236 | 2014-05-24 | 32nd Liechtenstein Open | Triesen LIE | 2.17 | Michael Bohnstorff | Peter Dittmar | 1-0 | 33 | Open |
| 237 | 2014-05-23 | 32nd Liechtenstein Open | Triesen LIE | 1.17 | Peter Dittmar | Victor Braguine | 1-0 | 45 | Open |
| 238 | 2014-03-23 | 30th ChessOrg Open 2014 | Bad Woerishofen GER | 8.11 | Peter Dittmar | Peter Zuse | 1/2-1/2 | 25 | Open |
| 239 | 2014-03-22 | 30th ChessOrg Open 2014 | Bad Woerishofen GER | 3.19 | Peter Dittmar | Steven J Rand | 1-0 | 29 | Open |
| 240 | 2014-03-22 | 30th ChessOrg Open 2014 | Bad Woerishofen GER | 2.18 | Marcus Roemhild | Peter Dittmar | 1/2-1/2 | 43 | Open |
| 241 | 2014-03-21 | 30th ChessOrg Open 2014 | Bad Woerishofen GER | 1.79 | Peter Dittmar | Robert Drasch | 1-0 | 23 | Open |
| 242 | 2013-10-20 | 35th Arco Open 2013 | Arco ITA | 9.7 | Peter Dittmar | Stefano Bonagura | 0-1 | 44 | Open |
| 243 | 2013-10-19 | 35th Arco Open 2013 | Arco ITA | 8.2 | Milan Drasko | Peter Dittmar | 1-0 | 60 | Open |
| 244 | 2013-10-18 | 35th Arco Open 2013 | Arco ITA | 7.7 | Peter Dittmar | Sergey Perman | 1-0 | 38 | Open |
| 245 | 2013-10-17 | 35th Arco Open 2013 | Arco ITA | 6.9 | Frank Joerges | Peter Dittmar | 0-1 | 27 | Open |
| 246 | 2013-10-16 | 35th Arco Open 2013 | Arco ITA | 5.8 | Peter Dittmar | Josef Ager | 1/2-1/2 | 57 | Open |
| 247 | 2013-10-15 | 35th Arco Open 2013 | Arco ITA | 4.8 | Michael, Dr. Trauth | Peter Dittmar | 1/2-1/2 | 45 | Open |
| 248 | 2013-10-14 | 35th Arco Open 2013 | Arco ITA | 3.13 | Peter Dittmar | Werner Ziltener | 1-0 | 51 | Open |
| 249 | 2013-10-13 | 35th Arco Open 2013 | Arco ITA | 2.7 | Nikola Hocevar | Peter Dittmar | 1/2-1/2 | 57 | Open |
| 250 | 2013-10-12 | 35th Arco Open 2013 | Arco ITA | 1.8 | Peter Dittmar | Frank Wagner | 1-0 | 9 | Open |
| 251 | 2013-09-08 | 17th Cesenatico Open | Cesenatico ITA | 9.7 | Peter Dittmar | Lorenzo Lucchi | 1-0 | 56 | Open |
| 252 | 2013-09-07 | 17th Cesenatico Open | Cesenatico ITA | 8.6 | Carlo Barlocco | Peter Dittmar | 1/2-1/2 | 48 | Open |
| 253 | 2013-09-06 | 17th Cesenatico Open | Cesenatico ITA | 7.3 | Peter Dittmar | Bogdan Lalic | 0-1 | 57 | Open |
| 254 | 2013-09-05 | 17th Cesenatico Open | Cesenatico ITA | 6.1 | Milan Mrdja | Peter Dittmar | 1-0 | 41 | Open |
| 255 | 2013-09-04 | 17th Cesenatico Open | Cesenatico ITA | 5.3 | Peter Dittmar | 14500094 | 1-0 | 56 | Open |
| 256 | 2013-09-03 | 17th Cesenatico Open | Cesenatico ITA | 4.5 | Peter Dittmar | Massimiliano Lucaroni | 1-0 | 27 | Open |
| 257 | 2013-09-02 | 17th Cesenatico Open | Cesenatico ITA | 3.5 | Giulio Calavalle | Peter Dittmar | 1/2-1/2 | 60 | Open |
| 258 | 2013-09-01 | 17th Cesenatico Open | Cesenatico ITA | 2.6 | Peter Dittmar | Roberto Bartolozzi | 1-0 | 43 | Open |
| 259 | 2013-08-31 | 17th Cesenatico Open | Cesenatico ITA | 1.8 | Hermann Singeisen | Peter Dittmar | 0-1 | 24 | Open |
| 260 | 2013-01-28 | 11th Gibraltar Masters | Caleta ENG | 7.46 | Luis Javier Sanchez Botella | Peter Dittmar | 1/2-1/2 | 31 | Open |
| 261 | 2013-01-27 | 11th Gibraltar Masters | Caleta ENG | 6.34 | Peter Dittmar | Mathias Womacka | 1/2-1/2 | 34 | Open |
| 262 | 2013-01-26 | 11th Gibraltar Masters | Caleta ENG | 5.21 | Antoaneta Stefanova | Peter Dittmar | 1-0 | 30 | Open |
| 263 | 2013-01-25 | 11th Gibraltar Masters | Caleta ENG | 4.26 | Peter Dittmar | Renier Vazquez Igarza | 1-0 | 40 | Open |
| 264 | 2013-01-24 | 11th Gibraltar Masters | Caleta ENG | 3.61 | Martin P Burrows | Peter Dittmar | 0-1 | 65 | Open |
| 265 | 2013-01-23 | 11th Gibraltar Masters | Caleta ENG | 2.17 | Peter Dittmar | Dariusz Swiercz | 0-1 | 34 | Open |
| 266 | 2013-01-22 | 11th Gibraltar Masters | Caleta ENG | 1.86 | Khalid Becham | Peter Dittmar | 0-1 | 28 | Open |
| 267 | 2012-10-21 | 34th Arco Open | Arco ITA | 9 | Peter Dittmar | 4101715 | 0-1 | 58 | Open |
| 268 | 2012-10-20 | 34th Arco Open | Arco ITA | 8 | Marco Albano | Peter Dittmar | 0-1 | 58 | Open |
| 269 | 2012-10-19 | 34th Arco Open | Arco ITA | 7 | Peter Dittmar | Heimo Titz | 1/2-1/2 | 28 | Open |
| 270 | 2012-10-18 | 34th Arco Open | Arco ITA | 6 | Michael, Dr. Trauth | Peter Dittmar | 0-1 | 43 | Open |
| 271 | 2012-10-17 | 34th Arco Open | Arco ITA | 5 | Peter Dittmar | Hans Karl | 1/2-1/2 | 31 | Open |
| 272 | 2012-10-16 | 34th Arco Open | Arco ITA | 4 | Csaba Horvath | Peter Dittmar | 1-0 | 71 | Open |
| 273 | 2012-10-15 | 34th Arco Open | Arco ITA | 3 | Peter Dittmar | Michael Schaefer | 1-0 | 18 | Open |
| 274 | 2012-10-14 | 34th Arco Open | Arco ITA | 2 | Mira Kierzek | Peter Dittmar | 0-1 | 37 | Open |
| 275 | 2012-10-13 | 34th Arco Open | Arco ITA | 1 | Peter Dittmar | Gabriele Di Lazzaro | 1-0 | 51 | Open |
| 276 | 2012-09-09 | XVI BCC Open | Cesenatico ITA | 9 | Peter Dittmar | Milan Mrdja | 1/2-1/2 | 16 | Open |
| 277 | 2012-09-08 | XVI BCC Open | Cesenatico ITA | 8 | Lorenzo Cocconcelli | Peter Dittmar | 1/2-1/2 | 44 | Open |
| 278 | 2012-09-07 | XVI BCC Open | Cesenatico ITA | 7 | Peter Dittmar | Hermann Singeisen | 1-0 | 8 | Open |
| 279 | 2012-09-06 | XVI BCC Open | Cesenatico ITA | 6 | Norbert Friedrich | Peter Dittmar | 1/2-1/2 | 16 | Open |
| 280 | 2012-09-04 | XVI BCC Open | Cesenatico ITA | 4 | Federico Galassi | Peter Dittmar | 1/2-1/2 | 42 | Open |
| 281 | 2012-09-02 | XVI BCC Open | Cesenatico ITA | 2 | Vladimir Petkov | Peter Dittmar | 1-0 | 23 | Open |
| 282 | 2012-09-01 | XVI BCC Open | Cesenatico ITA | 1 | Peter Dittmar | Alessio Boraso | 1-0 | 58 | Open |
| 283 | 2014-10- | 36th Arco Open 2014 | Arco ITA | 9.4 | Peter Dittmar | Paolo Vezzosi | 1/2-1/2 | 4 | Open |
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