| PID | YEARS | KINGS | GBR | STIP | AWARD | SOURCE | COMPOSER(S) |
|---|---|---|---|---|---|---|---|
| 206398 | 1925 | g6e7 | 1456.24 | #2 | None | Els Escacs a Catalunya | Eerkes, Allard Pieter |
| 244422 | 1933 | d4f4 | 1881.16 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 244423 | 1933 | d7c5 | 1858.21 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 244421 | 1933 | d8e4 | 1585.25 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 244428 | 1934 | a3d4 | 4888.33 | #2 | None | Revista Romana de Sah | Eerkes, Allard Pieter |
| 244429 | 1934 | a4c4 | 4775.12 | #2 | None | Skakbladet | Eerkes, Allard Pieter |
| 244425 | 1934 | a6e5 | 4888.13 | #2 | None | Magyar Sakkvilag | Eerkes, Allard Pieter |
| 263767 | 1934 | a6e6 | 1888.33 | #2 | None | Tijdschrift vd NSB | Eerkes, Allard Pieter |
| 244426 | 1934 | a8g5 | 1585.26 | #2 | None | Norsk Sjakkblad | Eerkes, Allard Pieter |
| 244430 | 1934 | b8d4 | 4888.14 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 179098 | 1934 | c1f4 | 4775.46 | #2 | None | Magasinet | Eerkes, Allard Pieter |
| 244427 | 1934 | c7f5 | 1788.24 | #2 | None | Norsk Sjakkblad | Eerkes, Allard Pieter |
| 277611 | 1934 | d8e6 | 1868.34 | #2 | None | Die Schwalbe | Eerkes, Allard Pieter |
| 244424 | 1934 | f8f4 | 1785.24 | #2 | None | L'Italia Scacchistica | Eerkes, Allard Pieter |
| 142309 | 1934 | h1e5 | 1244.23 | #2 | None | La Correspondencia de Valencia | Eerkes, Allard Pieter |
| 179131 | 1935 | a1b5 | 1888.05 | #2 | 3rd HM. | Arbeidermagasinet | Eerkes, Allard Pieter |
| 244431 | 1935 | a1f4 | 1858.14 | #2 | None | L'Italia Scacchistica | Eerkes, Allard Pieter |
| 263507 | 1935 | a4c4 | 1010.14 | #3 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 179097 | 1935 | a5e4 | 4658.36 | #2 | None | Magasinet | Eerkes, Allard Pieter |
| 244438 | 1935 | b7c4 | 4288.43 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 92653 | 1935 | b8c6 | 4588.22 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter & Kok, Theodorus Cornelis Louis & van der Ven, AMA |
| 280050 | 1935 | b8h5 | 4154.24 | #2 | None | British Chess Magazine | Eerkes, Allard Pieter |
| 221352 | 1935 | c8d4 | 1578.34 | #2 | None | Suomen Shakki | Eerkes, Allard Pieter |
| 244434 | 1935 | c8e8 | 1558.23 | #2 | None | Magyar Sakkvilag | Eerkes, Allard Pieter |
| 244433 | 1935 | d8f3 | 1658.13 | #2 | None | Magyar Sakkvilag | Eerkes, Allard Pieter |
| 179127 | 1935 | e8f5 | 0888.23 | #2 | None | Arbeidermagasinet | Eerkes, Allard Pieter |
| 244437 | 1935 | f8e5 | 1778.22 | #2 | None | Skakbladet | Eerkes, Allard Pieter |
| 244436 | 1935 | f8f6 | 1778.14 | #2 | None | Skakbladet | Eerkes, Allard Pieter |
| 244439 | 1935 | g1g5 | 4552.04 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 244432 | 1935 | h1a5 | 1785.04 | #2 | None | L'Italia Scacchistica | Eerkes, Allard Pieter |
| 263506 | 1935 | h6d4 | 0758.28 | #3 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 176145 | 1935 | h7e4 | 1878.33 | #2 | None | Schach-Echo | Eerkes, Allard Pieter |
| 221353 | 1935 | h8d5 | 1585.26 | #2 | None | Suomen Shakki | Eerkes, Allard Pieter |
| 244435 | 1935 | h8e5 | 1888.32 | #2 | None | Norsk Sjakkblad | Eerkes, Allard Pieter |
| 39033 | 1935-1936 | a4d6 | 4888.25 | #2 | Recomm. | BCF 019. Ty. | Eerkes, Allard Pieter |
| 244443 | 1936 | a5e4 | 1875.32 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 87505 | 1936 | a7f5 | 4858.42 | #2 | 1st Prize | Lettischer Problemistenverein | Eerkes, Allard Pieter |
| 244442 | 1936 | a8e4 | 3555.34 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 221355 | 1936 | b1d5 | 3858.35 | #2 | None | Suomen Shakki | Eerkes, Allard Pieter |
| 73021 | 1936 | b3d4 | 1755.53 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 179124 | 1936 | b8e3 | 4588.27 | #2 | None | Arbeidermagasinet | Eerkes, Allard Pieter |
| 244441 | 1936 | c3c5 | 0858.13 | #2 | None | Skakbladet | Eerkes, Allard Pieter |
| 73023 | 1936 | d2d5 | 1148.34 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 221354 | 1936 | d7d5 | 1872.14 | #2 | None | Suomen Shakki | Eerkes, Allard Pieter |
| 244440 | 1936 | d8c5 | 4628.35 | #2 | None | Norsk Sjakkblad | Eerkes, Allard Pieter |
| 73057 | 1936 | d8e5 | 0441.45 | #3 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 263503 | 1936 | d8e5 | 0441.56 | #3 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 283030 | 1936 | e7f5 | 4257.44 | #2 | None | British Chess Magazine | Eerkes, Allard Pieter |
| 72964 | 1936 | f6e4 | 1785.53 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 50666 | 1936 | g6d4 | 4758.37 | #2 | HM. | Die Schwalbe | Eerkes, Allard Pieter |
| 73022 | 1936 | g7d2 | 4172.24 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 155205 | 1936 | g7d4 | 1275.52 | #2 | None | Match: Denmark - Netherlands | Eerkes, Allard Pieter |
| 179094 | 1936 | g7d5 | 4465.53 | #2 | None | Magasinet | Eerkes, Allard Pieter |
| 283029 | 1936 | h1e4 | 1648.26 | #2 | None | British Chess Magazine | Eerkes, Allard Pieter |
| 179129 | 1936 | h2d4 | 4188.32 | #2 | None | Arbeidermagasinet | Eerkes, Allard Pieter |
| 72601 | 1936 | h4g1 | 0511.45 | #3 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 263505 | 1936 | h4g1 | 0511.53 | #3 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 176149 | 1936 | h5d4 | 4888.46 | #2 | None | Schach-Echo | Eerkes, Allard Pieter |
| 39555 | 1936-1937 | h2d4 | 1587.12 | #2 | Recomm. | BCF 022. Ty. | Eerkes, Allard Pieter |
| 244452 | 1937 | a2d6 | 4488.45 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 27053 | 1937 | a2e4 | 3155.36 | #3 | 2nd Prize | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 244447 | 1937 | a4d5 | 1887.33 | #2 | None | Magyar Sakkvilag | Eerkes, Allard Pieter |
| 244449 | 1937 | a4e3 | 4558.23 | #2 | None | Norsk Sjakkblad | Eerkes, Allard Pieter |
| 244450 | 1937 | a5e4 | 4887.32 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 263504 | 1937 | a8e5 | 1785.78 | #3 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 244448 | 1937 | b1d5 | 4588.14 | #2 | None | Norsk Sjakkblad | Eerkes, Allard Pieter |
| 244453 | 1937 | b1d5 | 4758.36 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 244445 | 1937 | b2a4 | 3217.21 | #2 | None | Magyar Sakkvilag | Eerkes, Allard Pieter |
| 244451 | 1937 | b4e5 | 1682.24 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 244444 | 1937 | b6d4 | 4855.53 | #2 | None | L'Italia Scacchistica | Eerkes, Allard Pieter |
| 179128 | 1937 | c8e4 | 4158.34 | #2 | None | Arbeidermagasinet | Eerkes, Allard Pieter |
| 177726 | 1937 | e1e3 | 4858.21 | #2 | None | Rigasche Rundschau | Eerkes, Allard Pieter |
| 139359 | 1937 | e8f5 | 1678.36 | #2 | 6th HM. | BCPS 031. Ty. | Eerkes, Allard Pieter |
| 177724 | 1937 | f1e4 | 1588.43 | #2 | None | Rigasche Rundschau | Eerkes, Allard Pieter |
| 244446 | 1937 | f1f4 | 1877.26 | #2 | None | Magyar Sakkvilag | Eerkes, Allard Pieter |
| 139356 | 1937 | g1e6 | 4888.24 | #2 | 2nd HM. | BCPS 031. Ty. | Eerkes, Allard Pieter |
| 245062 | 1937 | g6d3 | 4778.22 | #2 | None | Schackvarlden | Eerkes, Allard Pieter |
| 177723 | 1937 | h1b3 | 4568.14 | #2 | None | Rigasche Rundschau | Eerkes, Allard Pieter |
| 177725 | 1937 | h7c4 | 1288.23 | #2 | None | Rigasche Rundschau | Eerkes, Allard Pieter |
| 139364 | 1937 | h8f4 | 4878.06 | #2 | 5th Comm. | BCPS 031. Ty. | Eerkes, Allard Pieter |
| 263987 | 1938 | a4e6 | 4887.15 | #2 | 1st Prize | Tijdschrift vd KNSB | Eerkes, Allard Pieter & Rietveld, Johannes Jacob |
| 11405 | 1938 | a5c5 | 3578.40 | #2 | 1st Prize | Limburgs Dagblad | Eerkes, Allard Pieter |
| 74336 | 1938 | b3c7 | 4852.33 | #2 | 2nd Prize | Tijdschrift vd KNSB 08. TT | Eerkes, Allard Pieter & de Vos, F |
| 264038 | 1938 | b3d4 | 1558.43 | #2 | 1st HM. | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 177722 | 1938 | b8d4 | 1538.41 | #2 | 1st Prize | Rigasche Rundschau | Eerkes, Allard Pieter |
| 231987 | 1938 | c8a8 | 0008.32 | #4 | HM. | Limburgs Dagblad | Eerkes, Allard Pieter |
| 244455 | 1938 | d7e4 | 1588.24 | #2 | None | Magyar Sakkvilag | Eerkes, Allard Pieter |
| 73971 | 1938 | d8c4 | 4858.35 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 179044 | 1938 | d8f6 | 4878.36 | #2 | 1st Prize | Magasinet | Eerkes, Allard Pieter & Rietveld, Johannes Jacob |
| 165643 | 1938 | e2d5 | 1748.17 | #2 | None | Szachista | Eerkes, Allard Pieter |
| 256462 | 1938 | e2e6 | 4585.44 | #2 | None | Schackvarlden | Eerkes, Allard Pieter |
| 73714 | 1938 | f7c5 | 4852.08 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 179096 | 1938 | g1e4 | 4578.42 | #2 | None | Magasinet | Eerkes, Allard Pieter |
| 139995 | 1938 | g6d5 | 1588.14 | #2 | 2nd Comm. | BCPS 034. Ty. | Eerkes, Allard Pieter |
| 108022 | 1938 | g7e5 | 4585.25 | #2 | None | Match: Finland - Netherlands | Eerkes, Allard Pieter |
| 244454 | 1938 | h1d5 | 1587.22 | #2 | None | Magyar Sakkvilag | Eerkes, Allard Pieter |
| 74841 | 1938 | h1e5 | 4478.36 | #3 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 245063 | 1938 | h4c7 | 4857.53 | #2 | None | De Maasbode | Eerkes, Allard Pieter |
| 244456 | 1938 | h7d6 | 1855.33 | #2 | None | Norsk Sjakkblad | Eerkes, Allard Pieter |
| 136889 | 1938/I | b8e4 | 4845.47 | #3 | Prize | Limburgs Dagblad | Eerkes, Allard Pieter |
| 263988 | 1939 | a2d4 | 4580.34 | #2 | 1st Prize | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 264037 | 1939 | a4e5 | 4655.24 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 263502 | 1939 | c7d5 | 0455.16 | #3 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 179126 | 1939 | d7e5 | 4848.45 | #2 | None | Arbeidermagasinet | Eerkes, Allard Pieter |
| 179125 | 1939 | f7d5 | 1587.44 | #2 | None | Arbeidermagasinet | Eerkes, Allard Pieter |
| 11592 | 1939 | g4d4 | 1887.43 | #2 | Prize | Tijdschrift vd KNSB 15. TT | Eerkes, Allard Pieter |
| 179123 | 1939 | g4e5 | 4888.43 | #2 | 2nd Prize | Arbeidermagasinet | Eerkes, Allard Pieter |
| 146225 | 1939 | g6e5 | 0558.15 | #3 | None | Jaarboek | Eerkes, Allard Pieter |
| 42525 | 1939-1940 | e2e5 | 1288.32 | #2 | Recomm. | BCF 033. Ty. | Eerkes, Allard Pieter |
| 244458 | 1940 | a6e4 | 4578.22 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 179095 | 1940 | b7e6 | 4758.33 | #2 | None | Magasinet | Eerkes, Allard Pieter & Rietveld, Johannes Jacob |
| 244457 | 1940 | c1d5 | 1588.34 | #2 | None | Magyar Sakkvilag | Eerkes, Allard Pieter |
| 64088 | 1940 | d5e1 | 4342.33 | #2 | None | Brabantshe Schaakbond | Eerkes, Allard Pieter |
| 264043 | 1940 | d7e4 | 4588.41 | #2 | 2nd HM. | Tijdschrift vd KNSB | Eerkes, Allard Pieter & Hartong, Jan & Scheffer, Johan & de Vos, F |
| 179130 | 1940 | f1d5 | 4428.23 | #2 | None | Arbeidermagasinet | Eerkes, Allard Pieter |
| 178975 | 1940 | f8d4 | 4558.56 | #3 | None | Arbeidermagasinet | Eerkes, Allard Pieter |
| 233130 | 1940 | h1e5 | 0482.15 | #4 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 140321 | 1940 | h2e5 | 0558.33 | #2 | 2nd HM. | Nepszava | Eerkes, Allard Pieter |
| 16455 | 1940 | h4f5 | 1878.17 | #2 | None | Skakbladet | Eerkes, Allard Pieter & Nanning, Frederik Willem |
| 244459 | 1941 | a5d4 | 4858.24 | #2 | None | L'Italia Scacchistica | Eerkes, Allard Pieter |
| 244460 | 1941 | b8e6 | 1458.25 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 244461 | 1941 | c1e5 | 0557.42 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 263496 | 1941 | e7e5 | 1458.37 | #3 | 1st Prize | Tijdschrift vd KNSB | Ebben, Jacobus Johannes & Eerkes, Allard Pieter |
| 263765 | 1942 | a1e5 | 4548.51 | #2 | 2nd HM. | Tijdschrift vd NSB | Eerkes, Allard Pieter |
| 233671 | 1942 | a1f8 | 0763.35 | #4 | 1st HM. | Nederlands | Eerkes, Allard Pieter |
| 73332 | 1942 | a4e5 | 1548.33 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 263766 | 1942 | b6c4 | 4585.04 | #2 | 1st Prize | Tijdschrift vd NSB | Eerkes, Allard Pieter |
| 73684 | 1942 | f2e5 | 4872.26 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 244462 | 1942 | f6d4 | 4572.14 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 106122 | 1942 | f8c4 | 4284.35 | #2 | None | Schakend Nederland | Eerkes, Allard Pieter |
| 264042 | 1942 | h2c4 | 1488.23 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 244463 | 1942 | h6e5 | 4855.44 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 264036 | 1942 | h7c4 | 4758.35 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter & Visserman, Eeltje |
| 145255 | 1943 | e8d6 | 4852.34 | #2 | Comm. | Dutch National Ty. | Eerkes, Allard Pieter |
| 49136 | 1943 | g6e6 | 4788.15 | #2 | 1st Prize= | Nederlandse Bond van Probleemvrienden 050. TT | Eerkes, Allard Pieter |
| 16949 | 1944 | b7d4 | 4885.26 | #2 | Prize | Probleemblad | Eerkes, Allard Pieter & Visserman, Eeltje |
| 197169 | 1944 | c8e7 | 4878.24 | #2 | None | Haagsche Post | Eerkes, Allard Pieter |
| 169920 | 1945 | b8d6 | 1758.34 | #2 | 2nd HM. | Tijdschrift vd KNSB 65. TT | Eerkes, Allard Pieter |
| 70939 | 1945 | c1e5 | 0848.25 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 169921 | 1945 | f8c4 | 1785.22 | #2 | None | Het Vrije Volk | Eerkes, Allard Pieter |
| 45477 | 1945-1946 | d8e4 | 1758.22 | #2 | 5th Comm. | BCF 051. Ty. | Eerkes, Allard Pieter |
| 45478 | 1945-1946 | h7d6 | 1575.24 | #2 | 5th HM. | BCF 051. Ty. | Eerkes, Allard Pieter |
| 254890 | 1946 | a4f5 | 1858.24 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 167653 | 1946 | b3f5 | 4158.47 | #3 | 4th Prize | Bevrijdinastoern | Eerkes, Allard Pieter |
| 167654 | 1946 | b8d3 | 3212.12 | #3 | 2nd Place | Match: Friesland - Groningen | Eerkes, Allard Pieter |
| 254635 | 1946 | b8f5 | 4287.35 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 244464 | 1946 | h4d4 | 1888.42 | #2 | None | Skakbladet | Eerkes, Allard Pieter |
| 167655 | 1946 | h4f4 | 1358.07 | #3 | None | SEPA | Eerkes, Allard Pieter |
| 45587 | 1946-1947 | b8e5 | 1888.13 | #2 | 2nd Prize | BCF 054. Ty. | Eerkes, Allard Pieter |
| 19444 | 1947 | d1e5 | 1048.36 | #2 | 1st Prize | Match: Friesland - Groningen | Eerkes, Allard Pieter |
| 168016 | 1947 | d1f1 | 0450.34 | #3 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 244465 | 1947 | f2e4 | 3728.25 | #2 | None | Parallele 50 | Eerkes, Allard Pieter |
| 170944 | 1947 | g3d5 | 4855.34 | #2 | None | Problemisten | Eerkes, Allard Pieter |
| 256427 | 1947 | g5e5 | 4885.15 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 264039 | 1947 | g6e5 | 4275.33 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 45620 | 1947-1948 | d1d3 | 1365.47 | #3 | 7th Comm. | BCF 056. Ty. | Eerkes, Allard Pieter |
| 45650 | 1947-1948 | g1d4 | 1455.32 | #2 | 7th Comm. | BCF 057. Ty. | Eerkes, Allard Pieter |
| 244466 | 1948 | e8d4 | 4848.33 | #2 | None | L'Italia Scacchistica | Eerkes, Allard Pieter |
| 244467 | 1948 | g1e5 | 4788.33 | #2 | None | L'Italia Scacchistica | Eerkes, Allard Pieter |
| 264040 | 1948 | h2b4 | 1778.35 | #2 | 4th Prize | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 244468 | 1948 | h3e4 | 1728.33 | #2 | None | Parallele 50 | Eerkes, Allard Pieter |
| 258126 | 1948 | h5d3 | 4788.21 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 170943 | 1948 | h6b2 | 4571.26 | #2 | None | Problemisten | Eerkes, Allard Pieter |
| 89785 | 1948 | h6d4 | 1888.34 | #2 | None | Die Schwalbe | Eerkes, Allard Pieter |
| 263274 | 1949 | a2c4 | 4858.37 | #2 | None | Szachy | Eerkes, Allard Pieter |
| 264947 | 1949 | a4e2 | 1852.31 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 244471 | 1949 | b1d5 | 1888.22 | #2 | None | Parallele 50 | Eerkes, Allard Pieter |
| 244470 | 1949 | c8b4 | 4828.44 | #2 | None | Parallele 50 | Eerkes, Allard Pieter |
| 68338 | 1949 | f1f5 | 1355.12 | #2 | None | Chess | Eerkes, Allard Pieter |
| 244469 | 1949 | h2b4 | 1585.14 | #2 | None | Parallele 50 | Eerkes, Allard Pieter |
| 69945 | 1949 | h3e4 | 4858.26 | #2 | None | Chess | Eerkes, Allard Pieter |
| 263501 | 1949 | h7b5 | 0872.43 | #3 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 244472 | 1949 | h8d4 | 4888.61 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 87506 | 1950 | a2e4 | 3155.23 | #2 | None | American Chess Problemist | Eerkes, Allard Pieter |
| 263275 | 1950 | a6c4 | 1885.41 | #2 | None | Szachy | Eerkes, Allard Pieter |
| 245064 | 1950 | a6e6 | 4575.22 | #2 | None | De Maasbode | Eerkes, Allard Pieter |
| 266536 | 1950 | b5e4 | 4557.63 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 266338 | 1950 | b6c4 | 0442.33 | #3 | None | Probleemblad | Eerkes, Allard Pieter |
| 245065 | 1950 | e8d5 | 4855.24 | #2 | None | De Maasbode | Eerkes, Allard Pieter |
| 144249 | 1950 | g3e5 | 1775.53 | #2 | None | American Chess Problemist | Eerkes, Allard Pieter |
| 266022 | 1950 | g4e5 | 1555.24 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 87507 | 1950 | g5e4 | 4208.32 | #2 | None | American Chess Problemist | Eerkes, Allard Pieter |
| 264041 | 1950 | g8e5 | 4888.44 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 87508 | 1950 | g8e6 | 4586.25 | #2 | None | American Chess Problemist | Eerkes, Allard Pieter |
| 244473 | 1950 | h4c3 | 1858.13 | #2 | None | L'Italia Scacchistica | Eerkes, Allard Pieter |
| 178874 | 1951 | a1d1 | 4585.26 | #3 | 1st Prize | Magasinet | Eerkes, Allard Pieter |
| 50258 | 1951 | a5d6 | 4288.27 | #3 | 1st Prize | Probleemblad | Eerkes, Allard Pieter |
| 155566 | 1951 | a8c6 | 1582.22 | #2 | 1st Prize | Jerusalem Post | Eerkes, Allard Pieter |
| 244475 | 1951 | a8d4 | 1775.31 | #2 | None | Parallele 50 | Eerkes, Allard Pieter |
| 263500 | 1951 | b1d5 | 4855.44 | #3 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 270750 | 1951 | c2c4 | 3858.63 | #3 | None | Probleemblad | Eerkes, Allard Pieter |
| 97751 | 1951 | c2e4 | 0421.43 | #3 | None | Problem (Zagreb) | Eerkes, Allard Pieter |
| 245068 | 1951 | c8e5 | 1828.22 | #2 | None | De Maasbode | Eerkes, Allard Pieter |
| 230252 | 1951 | d2f4 | 0421.34 | #3 | None | Problem (Zagreb) | Eerkes, Allard Pieter |
| 244474 | 1951 | f6d4 | 1758.34 | #2 | None | Arbejder-Skak | Eerkes, Allard Pieter |
| 245066 | 1951 | g8d7 | 1878.13 | #2 | None | De Maasbode | Eerkes, Allard Pieter |
| 245067 | 1951 | h3c4 | 3725.53 | #2 | None | De Maasbode | Eerkes, Allard Pieter |
| 136537 | 1952 | a1c4 | 1848.32 | #2 | None | Magyar Sakkelet | Eerkes, Allard Pieter |
| 273139 | 1952 | a2d4 | 4535.22 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 179099 | 1952 | a7e5 | 1574.43 | #2 | None | Magasinet | Eerkes, Allard Pieter |
| 50117 | 1952 | a8d5 | 4767.55 | #3 | None | Magasinet | Eerkes, Allard Pieter |
| 244476 | 1952 | b5e5 | 1874.44 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 41046 | 1952 | d1e3 | 1457.56 | #3 | 2nd Prize | Lippische Landeszeitung | Eerkes, Allard Pieter |
| 273557 | 1952 | d2d5 | 0858.44 | #3 | None | Probleemblad | Eerkes, Allard Pieter |
| 276458 | 1952 | e8e6 | 4438.23 | #2 | 3rd Prize | To Mat | Eerkes, Allard Pieter |
| 48204 | 1952 | f6c4 | 4758.43 | #3 | 2nd Prize | Die Schwalbe | Eerkes, Allard Pieter |
| 47681 | 1952 | h1d6 | 3185.13 | #3 | 1st Prize | Problem (Zagreb) | Eerkes, Allard Pieter |
| 245069 | 1952 | h2d4 | 0748.30 | #2 | None | De Maasbode | Eerkes, Allard Pieter |
| 90363 | 1952 | h3f5 | 4848.43 | #3 | None | Die Schwalbe | Eerkes, Allard Pieter |
| 263499 | 1952 | h4e5 | 4758.33 | #3 | HM. | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 108023 | 1952-1953 | d1e3 | 1862.34 | #2 | None | BCF | Eerkes, Allard Pieter |
| 245070 | 1953 | a2d8 | 4768.15 | #2 | None | De Maasbode | Eerkes, Allard Pieter |
| 96386 | 1953 | a6g5 | 4575.34 | #2 | None | Problem (Zagreb) | Eerkes, Allard Pieter |
| 97752 | 1953 | a8e4 | 4458.24 | #3 | None | Problem (Zagreb) | Eerkes, Allard Pieter |
| 244477 | 1953 | c1d3 | 4768.45 | #2 | None | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 274394 | 1953 | c8b5 | 1648.46 | #3 | None | Probleemblad | Eerkes, Allard Pieter |
| 14735 | 1953 | e2e4 | 0428.57 | #3 | 1st Prize | Tijdschrift vd KNSB | Eerkes, Allard Pieter & Hartong, Jan & le Grand, Henk & le Grand, Piet |
| 38099 | 1953 | f5g8 | 0322.31 | #3 | 1st Prize | Arbejder-Skak | Eerkes, Allard Pieter & Hartong, Jan |
| 274201 | 1953 | f8e4 | 1605.35 | #3 | None | Probleemblad | Eerkes, Allard Pieter |
| 176999 | 1953 | g7c4 | 0845.36 | #3 | 2nd HM. | Schach-Echo | Eerkes, Allard Pieter |
| 263497 | 1953 | h1d4 | 4587.44 | #3 | 4th Prize | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 276214 | 1953 | h1e5 | 4088.36 | #2 | 2nd HM. | To Mat | Eerkes, Allard Pieter |
| 274232 | 1953 | h3e4 | 4888.22 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 14703 | 1953/II | a3c4 | 4828.37 | #3 | 1st Prize | Die Schwalbe | Eerkes, Allard Pieter |
| 178880 | 1954 | a8f5 | 1788.22 | #3 | 1st Prize | Magasinet | Eerkes, Allard Pieter & Hartong, Jan |
| 277098 | 1954 | d1d6 | 1654.12 | #2 | None | To Mat | Eerkes, Allard Pieter |
| 263498 | 1954 | g5e6 | 4858.06 | #3 | 4th Prize | Tijdschrift vd KNSB | Eerkes, Allard Pieter & Hartong, Jan |
| 277223 | 1954 | h1d5 | 1787.34 | #3 | None | Probleemblad | Eerkes, Allard Pieter |
| 47219 | 1954 | h7d4 | 4838.35 | #3 | 2/3 Prize | Tijdschrift vd KNSB | Eerkes, Allard Pieter |
| 277222 | 1954 | h7f5 | 1584.26 | #3 | None | Probleemblad | Eerkes, Allard Pieter |
| 277402 | 1954 | h8d5 | 4545.64 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 115718 | 1954-1955 | h1e4 | 4772.37 | #3 | None | BCF | Eerkes, Allard Pieter |
| 278885 | 1955 | h6d4 | 1478.33 | #2 | 2/3 HM. | To Mat | Eerkes, Allard Pieter |
| 462 | 1956 | a1g4 | 1872.43 | #2 | None | The Observer | Eerkes, Allard Pieter |
| 282071 | 1956 | g2c4 | 4287.16 | #3 | None | Probleemblad | Eerkes, Allard Pieter |
| 282064 | 1956 | g5e5 | 1687.34 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 283087 | 1957 | h7d5 | 4412.17 | #3 | None | Probleemblad | Eerkes, Allard Pieter |
| 171008 | 1958 | a3f4 | 4575.47 | #3 | HM. | Problemisten | Eerkes, Allard Pieter |
| 170945 | 1958 | f2d4 | 1772.43 | #2 | 2nd Comm. | Problemisten | Eerkes, Allard Pieter |
| 30159 | 1958 | h8d4 | 0858.04 | #3 | 2nd Place | Probleemblad | Eerkes, Allard Pieter |
| 54117 | 1960 | g2e4 | 1482.33 | #2 | None | Schakend Nederland | Eerkes, Allard Pieter |
| 252300 | 1968 | b7c3 | 1587.45 | #3 | None | Schakend Nederland | Eerkes, Allard Pieter |
| 252193 | 1969 | e8f6 | 4588.26 | #3 | 3rd HM. | Schakend Nederland | Eerkes, Allard Pieter |
| 248927 | 1971 | b7d6 | 3885.35 | #2 | None | Die Schwalbe | Eerkes, Allard Pieter |
| 30172 | 1971 | f1d4 | 1788.18 | #3 | 1st Prize | Probleemblad | Eerkes, Allard Pieter |
| 252208 | 1971 | g3e5 | 0345.66 | #3 | 5th Comm. | Schakend Nederland | Eerkes, Allard Pieter |
| 248909 | 1971 | h4e4 | 4556.25 | #2 | None | Die Schwalbe | Eerkes, Allard Pieter |
| 254476 | 1972 | a8d3 | 4552.44 | #2 | None | Schakend Nederland | Eerkes, Allard Pieter |
| 279152 | 1972 | g7d5 | 4712.44 | #2 | None | Schakend Nederland | Eerkes, Allard Pieter |
| 252292 | 1973 | f1c4 | 1788.06 | #3 | Comm. | Schakend Nederland | Eerkes, Allard Pieter |
| 252299 | 1973 | h6f6 | 4585.35 | #3 | None | Schakend Nederland | Eerkes, Allard Pieter |
| 252298 | 1974 | e1f4 | 1645.46 | #3 | None | Schakend Nederland | Eerkes, Allard Pieter |
| 139850 | 1974 | h1d3 | 4655.43 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 252156 | 1975 | a3f6 | 1855.25 | #3 | 3rd HM. | Schakend Nederland | Eerkes, Allard Pieter |
| 272686 | 1975 | a5e4 | 1485.25 | #2 | None | Schakend Nederland | Eerkes, Allard Pieter |
| 140165 | 1975 | b2e4 | 1257.34 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 244478 | 1975 | e1c3 | 4185.35 | #2 | None | Schakend Nederland | Eerkes, Allard Pieter |
| 140175 | 1975 | h1g3 | 1678.33 | #3 | None | Probleemblad | Eerkes, Allard Pieter |
| 187196 | 1979 | a7c6 | 4278.41 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 252295 | 1979 | b1c3 | 1375.46 | #3 | None | Schakend Nederland | Eerkes, Allard Pieter |
| 249526 | 1979 | h2d4 | 4274.33 | #2 | None | Schakend Nederland | Eerkes, Allard Pieter |
| 197786 | 1980 | e1e3 | 0482.22 | #3 | None | Probleemblad | Eerkes, Allard Pieter |
| 200287 | 1980 | e8c5 | 4588.55 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 250637 | 1981 | a8e5 | 4542.34 | #2 | 1st Comm. | Schakend Nederland | Eerkes, Allard Pieter |
| 197761 | 1981 | d7d5 | 1874.14 | #2 | None | The Problemist | Eerkes, Allard Pieter |
| 227310 | 1981 | h1c4 | 4588.24 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 252294 | 1981 | h2f4 | 3857.24 | #3 | 3rd Prize | Schakend Nederland | Eerkes, Allard Pieter |
| 250644 | 1981 | h6d4 | 1675.31 | #2 | None | Schakend Nederland | Eerkes, Allard Pieter |
| 251250 | 1982 | a1e5 | 4458.37 | #3 | None | Probleemblad | Eerkes, Allard Pieter & Schrader, Megchiel |
| 251650 | 1982 | a4e2 | 4838.35 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 252297 | 1982 | a8e4 | 4878.47 | #3 | 1st Comm. | Schakend Nederland | Eerkes, Allard Pieter |
| 145236 | 1982 | b7e4 | 4888.25 | #3 | 3rd Prize | Olympic Ty. | Eerkes, Allard Pieter & Schrader, Megchiel |
| 99094 | 1982 | d1d3 | 1155.05 | #2 | None | Magyar Sakkelet | Eerkes, Allard Pieter |
| 170916 | 1982 | h4c4 | 0525.21 | #2 | 2/3 HM. | Problemisten | Eerkes, Allard Pieter |
| 252283 | 1983 | a1d4 | 1685.57 | #3 | 3rd Comm. | Schakend Nederland | Eerkes, Allard Pieter & Schrader, Megchiel |
| 254419 | 1983 | a2c3 | 4578.13 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 281995 | 1983 | c1e4 | 4758.34 | #2 | 3rd Comm. | Schakend Nederland | Eerkes, Allard Pieter |
| 203046 | 1983 | e8e6 | 4885.25 | #3 | None | The Problemist | Eerkes, Allard Pieter & Schrader, Megchiel |
| 253067 | 1983 | g1e4 | 4585.28 | #3 | None | Probleemblad | Eerkes, Allard Pieter & Schrader, Megchiel |
| 50517 | 1983-1984 | a2d4 | 4708.63 | #2 | 4th HM. | Het Belgisch Schaakbord (L'Echiquier Belge) | Eerkes, Allard Pieter |
| 52104 | 1983-1984 | g1d5 | 4558.53 | #3 | 2nd Comm. | Het Belgisch Schaakbord (L'Echiquier Belge) | Eerkes, Allard Pieter & Schrader, Megchiel |
| 282098 | 1984 | a3e4 | 1875.43 | #2 | 5th HM. | Schakend Nederland | Eerkes, Allard Pieter |
| 255080 | 1984 | g3d8 | 1772.65 | #3 | None | Probleemblad | Eerkes, Allard Pieter & Schrader, Megchiel |
| 252293 | 1984 | h1c4 | 4888.56 | #3 | None | Schakend Nederland | Eerkes, Allard Pieter & Schrader, Megchiel |
| 255635 | 1984 | h1d4 | 1875.46 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 52293 | 1984-1985 | h1d4 | 4168.44 | #2 | 2nd Prize | Het Belgisch Schaakbord (L'Echiquier Belge) | Eerkes, Allard Pieter |
| 52447 | 1984-1985 | h2c5 | 1888.51 | #3 | 4th HM. | Het Belgisch Schaakbord (L'Echiquier Belge) | Eerkes, Allard Pieter & Schrader, Megchiel |
| 268194 | 1985 | a4d4 | 0282.25 | #2 | None | Probleemblad | Eerkes, Allard Pieter |
| 261307 | 1985 | a5f5 | 0185.22 | #2 | None | Neue Zurcher Zeitung | Eerkes, Allard Pieter |
| 244479 | 1985 | a7a5 | 1447.14 | #2 | None | Schakend Nederland | Eerkes, Allard Pieter |
| 268221 | 1985 | a8e6 | 4888.16 | #3 | None | Probleemblad | Eerkes, Allard Pieter |
| 81090 | 1985 | b8d4 | 4058.35 | #2 | None | Problemas | Eerkes, Allard Pieter |
| 210407 | 1985 | f8f6 | 4155.26 | #2 | None | The Problemist | Eerkes, Allard Pieter |
| 52478 | 1985-1986 | a1e3 | 1755.37 | #3 | 3rd HM. | Het Belgisch Schaakbord (L'Echiquier Belge) | Eerkes, Allard Pieter & Schrader, Megchiel |
| 211849 | 1986 | a1d5 | 1585.14 | #2 | None | The Problemist | Eerkes, Allard Pieter |
| 268704 | 1986 | a8c4 | 1871.33 | #2 | None | Probleemblad | Eerkes, Allard Pieter & Groeneveld, Cornelis |
| 215826 | 1986 | g8c5 | 1055.15 | #2 | None | Deutsche Schachzeitung | Eerkes, Allard Pieter & Groeneveld, Cornelis |
| 244480 | 1986 | h8d4 | 1558.37 | #2 | None | Schakend Nederland | Eerkes, Allard Pieter |
| 52559 | 1986-1987 | h7e4 | 0858.33 | #3 | 2nd Prize | Het Belgisch Schaakbord (L'Echiquier Belge) | Eerkes, Allard Pieter & Schrader, Megchiel |
| 91647 | 1987 | a2c4 | 4878.46 | #3 | None | Probleemblad | Eerkes, Allard Pieter & Schrader, Megchiel |
| 141994 | 1987 | f2d5 | 1778.24 | #2 | None | Deutsche Schachzeitung | Eerkes, Allard Pieter |
| 249177 | 1987 | f8d4 | 0827.33 | #2 | None | Schakend Nederland | Eerkes, Allard Pieter & Groeneveld, Cornelis |
| 141828 | 1987 | g5d4 | 0558.13 | #3 | None | Deutsche Schachzeitung | Eerkes, Allard Pieter & Schrader, Megchiel |
| 249175 | 1987 | h3c4 | 4588.34 | #2 | None | Schakend Nederland | Eerkes, Allard Pieter & Groeneveld, Cornelis & Schrader, Megchiel |
| 252296 | 1988 | a4c4 | 4888.72 | #3 | None | Schakend Nederland | Eerkes, Allard Pieter & Schrader, Megchiel |
| 65032 | 1988-1989 | d8d6 | 4557.36 | #3 | 4th Comm. | Het Belgisch Schaakbord (L'Echiquier Belge) | Eerkes, Allard Pieter & Schrader, Megchiel |
| 199876 | 1989 | c7d5 | 4585.53 | #3 | None | Suomen Shakki | Eerkes, Allard Pieter & Schrader, Megchiel |
| 220305 | 1989 | c7d5 | 4885.53 | #3 | 2nd HM. | Suomen Shakki | Eerkes, Allard Pieter & Schrader, Megchiel |
| 26518 | 1989 | h1e7 | 4848.45 | #3 | None | The Problemist | Eerkes, Allard Pieter & Schrader, Megchiel |
| 70225 | 1989-1990 | h7e4 | 1455.53 | #3 | 3rd Com. | Het Belgisch Schaakbord (L'Echiquier Belge) | Eerkes, Allard Pieter & Schrader, Megchiel |
| 200199 | 1990 | a4e5 | 0812.23 | #2 | None | Problemas | Eerkes, Allard Pieter |
| 200183 | 1990 | b2d4 | 1848.75 | #2 | None | Suomen Shakki | Eerkes, Allard Pieter |
| 102145 | 1990 | e7d5 | 1782.27 | #2 | 4th HM. | Het Reformatorisch Dagblad | Eerkes, Allard Pieter |
| 281769 | 1991 | h5d4 | 4882.66 | #3 | HM. | Het Reformatorisch Dagblad | Eerkes, Allard Pieter & Schrader, Megchiel |
| 244481 | 1991 | h6e5 | 4224.16 | #2 | None | Problemas | Eerkes, Allard Pieter |
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).