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| Date | Chess tournament name | Status |
|---|---|---|
| 2025-06-06 to 2025-06-09 | BPB Limburg Open 2025 - A group ![]() |
Finished |
| 2024-09-21 to 2025-05-10 | KNSB 1e klasse B 2024-2025 ![]() |
Finished |
| 2024-05-17 to 2024-05-20 | 16th BPB Limburg Open A ![]() |
Finished |
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| No results | No results | No results | No results | No results |
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2025.06.07 | Harff,M (2315) vs (2613) Warmerdam,Max 17th BPB Limburg Open English Agincourt - King's Knight |
0-1 | A13 | |
| 2025.04.27 | Harff,M (2311) vs (2274) Baselmans,Sam TCh-BEL 2024-25 King's Indian Fianchetto (Yugoslav) |
1/2-1/2 | E65 | |
| 2024.09.29 | Harff,M (2318) vs (2340) Gulbas,C TCh-BEL 2024-25 English Four Knights |
1-0 | A28 | |
| 2024.12.01 | Timmerman,G (2162) vs (2316) Harff,M TCh-BEL 2024-25 Sicilian |
1/2-1/2 | B32 | |
| 2024.10.06 | Harff,M (2320) vs (2215) Terryn,Ezra TCh-BEL 2024-25 English - Snake |
1-0 | A10 | |
| 2025.02.02 | Cesar Maestre,Bernardo (2359) vs (2311) Harff,M TCh-BEL 2024-25 French Paulsen - Rubinstein |
1/2-1/2 | C10 | |
| 2024.11.17 | Harff,M (2320) vs (2229) Draftian,A TCh-BEL 2024-25 English - Anglo-Dutch |
1/2-1/2 | A10 | |
| 2025.03.30 | Geenen,M (2189) vs (2311) Harff,M TCh-BEL 2024-25 French Open Tarrasch |
1/2-1/2 | C07 | |
| 2025.01.26 | Battistelli,Fausto (2150) vs (2316) Harff,M TCh-BEL 2024-25 French Open Tarrasch |
1/2-1/2 | C07 | |
| 2024.01.28 | Ruzhansky,Elias (2133) vs (2305) Harff,M TCh-BEL 2023-24 French Paulsen - Steinitz (Boleslavsky) |
1-0 | C11 | |
| 2024.04.21 | Harff,M (2305) vs (2283) Muetsch,Annmarie TCh-BEL 2023-24 English |
1/2-1/2 | A10 | |
| 2024.02.18 | Harff,M (2305) vs (2032) Hafner,C TCh-BEL 2023-24 English Symmetrical |
1-0 | A30 | |
| 2024.05.20 | Harff,M (2315) vs (2552) Vrolijk,Liam 16th BPB Limburg Open English Sicilian (Two Knights) |
1/2-1/2 | A22 | |
| 2023.10.15 | Harff,M (2299) vs (2284) Stillger,B TCh-BEL 2023-24 English Symmetrical |
1/2-1/2 | A30 | |
| 2023.08.10 | Langheinrich,F (2366) vs (2309) Harff,M 2nd Bautzen Open 2023 Nimzovich - English |
1/2-1/2 | A01 | |
| 2023.11.12 | Langheinrich,F (2352) vs (2293) Harff,M 49th ch-GER Rapid 2023 French - Spielmann |
1/2-1/2 | C00 | |
| 2023.11.12 | Harff,M (2293) vs (2303) Reichmann,H 49th ch-GER Rapid 2023 English Sicilian |
1-0 | A21 | |
| 2023.11.12 | Pubantz,Jan (2312) vs (2293) Harff,M 49th ch-GER Rapid 2023 Dutch |
1/2-1/2 | A84 | |
| 2023.11.12 | Harff,M (2293) vs (2376) Ehmann,Thilo 49th ch-GER Rapid 2023 English - Snake |
1/2-1/2 | A10 | |
| 2023.11.11 | Kolb,Tobias (2315) vs (2293) Harff,M 49th ch-GER Rapid 2023 Dutch Leningrad (Warsaw) - Russian |
1-0 | A88 | |
| 2023.11.11 | Harff,M (2293) vs (2364) Langrock,H 49th ch-GER Rapid 2023 English Agincourt - Neo-Catalan Accepted |
1/2-1/2 | A13 | |
| 2023.11.11 | Weber,Samuel (2263) vs (2293) Harff,M 49th ch-GER Rapid 2023 French - Hanham |
1/2-1/2 | C00 | |
| 2023.11.11 | Harff,M (2293) vs (2420) Yelisieiev,Yevhenii 49th ch-GER Rapid 2023 English |
1/2-1/2 | A10 | |
| 2023.11.11 | Euler,G (2236) vs (2293) Harff,M 49th ch-GER Rapid 2023 French Advance - Euwe |
0-1 | C02 | |
| 2023.10.05 | Pezelj,N (2476) vs (2295) Harff,M 38th ECC Open 2023 Queen's Indian Classical |
1-0 | E19 | |
| 2023.03.05 | Pirard,G (2069) vs (2327) Harff,M TCh-BEL 2022-23 English Sicilian |
0-1 | A20 | |
| 2023.02.04 | Harff,M (2325) vs (2313) Berg,M GER 2nd Bundesliga West 22-23 English Anglo-Slav |
1/2-1/2 | A11 | |
| 2023.02.12 | Harff,M (2327) vs (2389) De Schampheleire,G TCh-BEL 2022-23 English Agincourt |
0-1 | A13 | |
| 2022.12.04 | Harff,M (2325) vs (2116) Van Volsem,Merlijn TCh-BEL 2022-23 English Anglo-Indian - Nimzovich |
1-0 | A17 | |
| 2023.04.16 | Harff,M (2320) vs (2226) Decrop,B TCh-BEL 2022-23 English Hedgehog |
0-1 | A17 | |
| 2022.11.20 | Harff,M (2325) vs (2391) Matnadze,A TCh-BEL 2022-23 English Closed Sicilian |
0-1 | A25 | |
| 2022.07.08 | Maze,S (2527) vs (2359) Harff,M Bundesliga 2021-22 Sicilian Rossolimo (Fianchetto) - Rossolimo |
1-0 | B31 | |
| 2022.07.07 | Harff,M (2359) vs (2541) Nikolic,Pr Bundesliga 2021-22 English Anglo-Indian - King's Knight |
1/2-1/2 | A15 | |
| 2022.10.16 | Harff,M (2325) vs (2291) De Wachter,M TCh-BEL 2022-23 English Agincourt - Neo-Catalan Accepted |
1/2-1/2 | A13 | |
| 2022.04.10 | Bacrot,E (2635) vs (2359) Harff,M Bundesliga 2021-22 French Advance - Euwe |
1-0 | C02 | |
| 2022.04.09 | Harff,M (2359) vs (2596) Dautov,R Bundesliga 2021-22 Reti Symmetrical - Whimpey |
1/2-1/2 | A13 | |
| 2022.03.06 | Harff,M (2359) vs (2348) Barseghyan,Armen Ar. Bundesliga 2021-22 English Symmetrical |
0-1 | A30 | |
| 2022.03.05 | Rogozenco,D (2448) vs (2359) Harff,M Bundesliga 2021-22 Semi-Slav - Anti-Meran |
1/2-1/2 | D43 | |
| 2022.04.24 | Michalczak,T (2260) vs (2353) Harff,M TCh-BEL 2021-22 French Paulsen - Rubinstein |
1/2-1/2 | C10 | |
| 2022.02.20 | Harff,M (2367) vs (2181) Cornelisse,J TCh-BEL 2021-22 English Neo-Catalan - Declined |
1/2-1/2 | A14 | |
| 2022.02.13 | Harff,M (2367) vs (2383) Roeder,M TCh-BEL 2021-22 English Anti-Benoni - King's Knight |
1/2-1/2 | A31 | |
| 2022.05.01 | Kokje,Joris (2289) vs (2353) Harff,M TCh-BEL 2021-22 Queen's Indian Fianchetto - Nimzovich |
1-0 | E15 | |
| 2022.05.15 | Harff,M (2359) vs (2346) Meister,P Bundesliga 2021-22 English Symmetrical |
1/2-1/2 | A30 | |
| 2022.05.14 | Yankelevich,L (2459) vs (2359) Harff,M Bundesliga 2021-22 Nimzo-Indian Noa |
1-0 | E37 | |
| 2022.03.20 | Harff,M (2357) vs (2336) Bouhallel,R TCh-BEL 2021-22 English Agincourt |
1-0 | A13 | |
| 2022.03.13 | Harff,M (2357) vs (2150) Goormachtigh,J TCh-BEL 2021-22 English Symmetrical |
1/2-1/2 | A30 | |
| 2022.06.19 | Beerdsen,Thomas (2494) vs (2329) Harff,M HSG Open 2022 French Paulsen - Rubinstein (Capablanca) |
1-0 | C10 | |
| 2022.06.19 | Van Foreest,Machteld (2295) vs (2329) Harff,M HSG Open 2022 French - Schlechter |
0-1 | C01 | |
| 2022.06.18 | Harff,M (2329) vs (2231) Lanchava,T HSG Open 2022 English - Snake |
1/2-1/2 | A10 | |
| 2022.06.18 | Tabak,S (2164) vs (2329) Harff,M HSG Open 2022 French Advance - Euwe |
0-1 | C02 | |
| 2022.06.17 | Harff,M (2329) vs (2094) Ercan,Selman HSG Open 2022 English Anglo-Slav |
1-0 | A11 | |
| 2022.06.17 | Markus,J (2019) vs (2329) Harff,M HSG Open 2022 Indian Knight - Torre |
0-1 | A46 | |
| 2021.03.28 | Aabling Thomsen,J (2348) vs (2360) Harff,M European Online CC GpH French - Chigorin |
1/2-1/2 | C00 | |
| 2021.03.28 | Harff,M (2360) vs (2101) Sertbay,H European Online CC GpH English Sicilian |
1-0 | A20 | |
| 2021.03.28 | Harff,M (2360) vs (2431) Ahmadzada,Ahmad European Online CC GpH English Anglo-Indian |
0-1 | A15 | |
| 2021.03.28 | Buhmann,R (2580) vs (2360) Harff,M European Online CC GpH Indian Knight |
0-1 | A46 | |
| 2017.10.22 | Sumets, A. (2584) vs (2369) Harff, M. TCh-BEL 2017-18 Slav - Schlechter |
1-0 | D80 | |
| 2017.09.24 | Kerigan, D. (2333) vs (2369) Harff, M. TCh-BEL 2017-18 French Tarrasch |
1/2-1/2 | C03 | |
| 2018.01.03 | Meijers, V (2477) vs (2375) Harff, M Basel Masters 2018 English Sicilian |
1/2-1/2 | A20 | |
| 2018.02.11 | Harff, M (2410) vs (2176) Ludwig, Peter 9th Pfalz Open 2018 English Anglo-Indian - King's Knight |
1/2-1/2 | A15 | |
| 2018.02.25 | Leenaerts, R (2215) vs (2369) Harff, M TCh-BEL 2017-18 Sicilian - Rossolimo |
1/2-1/2 | B30 | |
| 2015.07.30 | Harff, M. (2313) vs (2152) Buckels, Valentin Dutch Open 2015 Reti Symmetrical - Neo-Catalan Accepted |
1/2-1/2 | A13 | |
| 2015.07.29 | Harff, M. (2313) vs (2309) Kolbus, D. Dutch Open 2015 English Sicilian |
1/2-1/2 | A20 | |
| 2015.07.28 | Haslinger, S. (2526) vs (2313) Harff, M. Dutch Open 2015 French Tarrasch - Rubinstein (Capablanca) |
1-0 | C10 | |
| 2018.05.21 | Harff, M (2394) vs (2482) Nasuta, G 12th BPB Limburg Open English Four Knights - Romanishin |
1/2-1/2 | A28 | |
| 2015.07.27 | Harff, M. (2313) vs (2527) Ikonnikov, Vy Dutch Open 2015 English Sicilian - Taimanov |
1/2-1/2 | A25 | |
| 2015.07.25 | Beukema, S. (2363) vs (2313) Harff, M. Dutch Open 2015 French Paulsen - Rubinstein (Capablanca) |
0-1 | C10 | |
| 2015.07.24 | Harff, M. (2313) vs (2202) Foisor, S. Dutch Open 2015 English Agincourt |
1-0 | A13 | |
| 2015.07.23 | Brandenburg, D. (2511) vs (2313) Harff, M. Dutch Open 2015 French Advance - Euwe |
1/2-1/2 | C02 | |
| 2015.07.22 | Harff, M. (2313) vs (2056) Parnali, S. Dutch Open 2015 English Agincourt |
1-0 | A13 | |
| 2015.07.21 | Boersma, J. (2119) vs (2313) Harff, M. Dutch Open 2015 French Winawer - Maroczy |
1/2-1/2 | C15 | |
| 2018.10.22 | Bosboom, M (2404) vs (2420) Harff, M Haarlem Masters 2018 Reti King's Indian |
1/2-1/2 | A07 | |
| 2016.07.21 | Ikonnikov, Vy (2538) vs (2324) Harff, M. 10th Leiden Open A 2016 Dutch Indian |
0-1 | A81 | |
| 2016.07.19 | Harff, M. (2324) vs (2167) Vistisen, L. 10th Leiden Open A 2016 English Sicilian (Two Knights) |
1-0 | A22 | |
| 2016.07.18 | Harff, M. (2324) vs (2520) Horvath, Cs1 10th Leiden Open A 2016 English Closed Sicilian |
1/2-1/2 | A25 | |
| 2016.07.17 | Schroer, M. (2033) vs (2324) Harff, M. 10th Leiden Open A 2016 English Sicilian |
0-1 | A20 | |
| 2019.03.31 | Harff, M (2416) vs (2394) Braga, F TCh-BEL 2018-19 English Anti-Benoni |
1/2-1/2 | A31 | |
| 2018.01.05 | Harff, M (2375) vs (2589) Milov, V Basel Masters 2018 Indian East Indian - London |
1/2-1/2 | A48 | |
| 2018.01.06 | Harff, M (2375) vs (2570) Chatalbashev, B Basel Masters 2018 Reti |
0-1 | A04 | |
| 2018.05.20 | Harff, M (2394) vs (2171) Thanke, B 12th BPB Limburg Open English Anglo-Indian |
1-0 | A15 | |
| 2019.06.08 | Admiraal, M (2507) vs (2372) Harff, M 13th BPB Limburg Open Indian - Trompowsky |
1/2-1/2 | A45 | |
| 2019.01.03 | Harff, M (2399) vs (2637) Bauer, Ch 15th Vandoeuvre Open 2019 English Closed Sicilian - Romanishin |
1/2-1/2 | A28 | |
| 2019.01.04 | Xu, Xiangyu (2567) vs (2399) Harff, M 15th Vandoeuvre Open 2019 Reti King's Indian - Barcza |
1-0 | A07 | |
| 2019.04.06 | Keymer, Vincent (2502) vs (2411) Harff, M Bundesliga 2018-19 Queen's Indian Fianchetto - Nimzovich |
1-0 | E15 | |
| 2019.05.02 | Demuth, A (2512) vs (2412) Harff, M 6th Capablanca Mem GM Reti King's Indian |
1-0 | A07 | |
| 2019.05.07 | Kelires, Andreas (2508) vs (2412) Harff, M 6th Capablanca Mem GM Catalan Open (Classical) - Closed |
1-0 | E04 | |
| 2019.11.10 | Esipenko, Andrey (2636) vs (2362) Harff, M 35th ECC Open 2019 Queen's Gambit Declined |
1-0 | D30 | |
| 2015.04.11 | Danin, A. (2590) vs (2326) Harff, M. 3rd Hofheim Spring Open French - Two Knights |
1-0 | C00 | |
| 2015.04.10 | Pap, M. (2459) vs (2326) Harff, M. 3rd Hofheim Spring Open Sicilian Alapin |
1/2-1/2 | B22 | |
| 2015.04.10 | Harff, M. (2326) vs (2404) Hilverda, A. 3rd Hofheim Spring Open English Anglo-Slav |
1-0 | A11 | |
| 2015.04.09 | Harff, M. (2326) vs (2041) Seidel, J. 3rd Hofheim Spring Open English Sicilian |
1-0 | A20 | |
| 2015.04.09 | Kunin, V. (2568) vs (2326) Harff, M. 3rd Hofheim Spring Open Reti King's Indian - Barcza |
1-0 | A07 | |
| 2015.04.08 | Harff, M. (2326) vs (2432) Schroeder, Ja 3rd Hofheim Spring Open English Anglo-Slav |
1/2-1/2 | A11 | |
| 2015.04.08 | Phunhon Lopez, Danie (1872) vs (2326) Harff, M. 3rd Hofheim Spring Open French Advance - Euwe |
0-1 | C02 | |
| 2020.01.03 | Pridorozhni, A (2601) vs (2369) Harff, M 31st Roquetas de Mar Open French Open Tarrasch |
1-0 | C07 | |
| 2019.11.15 | Harff, M (2362) vs (2162) Ademi, Sa 35th ECC Open 2019 English Anglo-Indian |
1-0 | A15 | |
| 2016.05.14 | Bachmann, Ax (2632) vs (2361) Harff, M. 10th BPB Limburg Open Slav Delmar |
1-0 | D12 | |
| 2015.03.15 | Werner, Iv (2082) vs (2280) Harff, M. TCh-BEL 2014-15 French Winawer |
1-0 | C15 | |
| 2018.10.27 | Basman, M (2313) vs (2420) Harff, M Haarlem Masters 2018 Grob's attack |
1/2-1/2 | A00 | |
| 2018.04.02 | Kasimdzhanov, R (2676) vs (2398) Harff, M GRENKE Chess Open 2018 French Tarrasch |
1-0 | C03 |