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| Date | Chess tournament name | Status |
|---|---|---|
| 2024-09-21 to 2025-05-10 | KNSB 1e klasse B 2024-2025 |
Finished |
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| No results | No results | No results | No results | No results |
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2009.12.30 | Van Herwaarden, A. (2162) vs (2155) Cako, L. Open A Anderssen's opening |
1-0 | A00 | |
| 2009.12.29 | Ten Vergert, P. (2071) vs (2162) Van Herwaarden, A. Open A French Tarrasch (Guimard) - Byrne |
1/2-1/2 | C04 | |
| 2009.12.27 | Van Herwaarden, A. (2162) vs (1970) Warmelink, E. Open A Sicilian |
1/2-1/2 | B20 | |
| 2009.12.26 | Holm, S. (2256) vs (2162) Van Herwaarden, A. Open A Irregular Queen's Pawn - Franco-Indian |
1-0 | A40 | |
| 2009.12.24 | Van Herwaarden, A. (2162) vs (2108) Slagter, D. Open A French Classical |
0-1 | C14 | |
| 2009.12.23 | Rauw, G. (2070) vs (2162) Van Herwaarden, A. Open A French Tarrasch (Guimard) - Byrne |
1-0 | C04 | |
| 2009.12.22 | Van Herwaarden, A. (2162) vs (2372) Grover, S. Open A French Paulsen - Steinitz |
0-1 | C11 | |
| 2009.12.21 | Van der Wiel, J. (2475) vs (2162) Van Herwaarden, A. Open A French Tarrasch (Guimard) - Byrne |
1-0 | C04 | |
| 2007.08.02 | Van Herwaarden, A. (2133) vs (2207) Etmans, M. Open NK Alekhine - Brooklyn |
1-0 | B02 | |
| 2007.08.01 | Narayanan, Sr (2218) vs (2133) Van Herwaarden, A. Open NK Irregular King's Pawn - Nimzovich |
1/2-1/2 | B00 | |
| 2007.07.31 | Punt, R. (2144) vs (2133) Van Herwaarden, A. Open NK Saragossa opening |
1/2-1/2 | A00 | |
| 2007.07.30 | Van Herwaarden, A. (2133) vs (2219) Barendse, T. Open NK Scotch - Scotch (Berger) |
1-0 | C47 | |
| 2007.07.28 | Van Herwaarden, A. (2133) vs (2084) Ten Hertog, H. Open NK Sicilian Closed |
1-0 | B23 | |
| 2007.07.26 | Van Herwaarden, A. (2133) vs (2028) Haast, M. Open NK Sicilian Closed |
0-1 | B24 | |
| 2007.07.25 | Siebrecht, S. (2431) vs (2133) Van Herwaarden, A. Open NK Reti Symmetrical |
1-0 | A05 | |
| 2007.07.24 | Van Herwaarden, A. (2133) vs (2370) Grooten, H. Open NK Caro-Kann Panov - Panov |
0-1 | B14 | |
| 2006.08.03 | Van Roosmalen, S. (2266) vs Van Herwaarden, Arj Dutch Open King's Indian Saemisch - Steiner |
1-0 | E81 | |
| 2006.08.02 | Van Herwaarden, Arj vs (2155) Van Opheusden, B. Dutch Open Sicilian Alapin - Smith-Morra |
1-0 | B22 | |
| 2006.08.01 | Van Geffen, B. (2116) vs Van Herwaarden, Arj Dutch Open Spanish Bird |
0-1 | C61 | |
| 2006.07.31 | Van Herwaarden, Arj vs (2203) De Saegher, C. Dutch Open Pirc Austrian - Dragon |
0-1 | B09 | |
| 2006.07.29 | Gouw, C. (2150) vs Van Herwaarden, Arj Dutch Open English Anglo-Indian (Queen's Knight) |
0-1 | A16 | |
| 2006.07.28 | Van Herwaarden, Arj vs (2127) Ten Hagen, Y. Dutch Open Sicilian - Snyder |
1/2-1/2 | B20 | |
| 2006.07.27 | Van den Dikkenberg (2144) vs Van Herwaarden, Arj Dutch Open Irregular King's Pawn - Nimzovich (Bogolubov) |
1/2-1/2 | B00 | |
| 2006.07.26 | Van Weersel, A. (2155) vs Van Herwaarden, Arj Dutch Open Irregular King's Pawn - Modern Bishop |
1-0 | C55 | |
| 2006.07.25 | Van Herwaarden, Arj vs (2219) Schuurman, P. Dutch Open Sicilian Alapin |
0-1 | B22 |