| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 451. Z Szymczak vs J Cornelisse |
 | 1-0 | 22 | 2006 | Amsterdam Chess Tournament | C77 Ruy Lopez |
| 452. Z Szymczak vs W Hendriks |
| 1-0 | 33 | 2006 | Amsterdam Chess Tournament | B07 Pirc |
| 453. R Vazquez Igarza vs Z Szymczak |
| ½-½ | 68 | 2006 | Amsterdam Chess Tournament | D27 Queen's Gambit Accepted, Classical |
| 454. Z Szymczak vs F Holzke |
| ½-½ | 40 | 2006 | Amsterdam Chess Tournament | D82 Grunfeld, 4.Bf4 |
| 455. M van Delft vs Z Szymczak |
| ½-½ | 29 | 2006 | Amsterdam Chess Tournament | B43 Sicilian, Kan, 5.Nc3 |
| 456. Z Szymczak vs S Siebrecht |
| 0-1 | 30 | 2006 | Amsterdam Chess Tournament | D90 Grunfeld |
| 457. R D Miedema vs Z Szymczak |
| 0-1 | 35 | 2006 | Amsterdam Chess Tournament | E82 King's Indian, Samisch, double Fianchetto Variation |
| 458. Z Szymczak vs P Obiedzinski |
| 1-0 | 49 | 2009 | Ketrzyn Open-A | D06 Queen's Gambit Declined |
| 459. S Kobus vs Z Szymczak |
| 0-1 | 54 | 2009 | Ketrzyn Open-A | B43 Sicilian, Kan, 5.Nc3 |
| 460. Z Szymczak vs P Renkowski |
| ½-½ | 70 | 2009 | Ketrzyn Open-A | E65 King's Indian, Fianchetto, Yugoslav, 7.O-O |
| 461. K Drozdowski vs Z Szymczak |
| ½-½ | 46 | 2009 | Ketrzyn Open-A | B42 Sicilian, Kan |
| 462. Z Szymczak vs P Czaus |
| ½-½ | 89 | 2009 | Ketrzyn Open-A | E91 King's Indian |
| 463. K Budrewicz vs Z Szymczak |
| ½-½ | 6 | 2009 | Ketrzyn Open-A | D20 Queen's Gambit Accepted |
| 464. V Dambrauskas vs Z Szymczak |
| ½-½ | 5 | 2009 | Ketrzyn Open-A | D23 Queen's Gambit Accepted |
| 465. Z Szymczak vs P Piesik |
| ½-½ | 55 | 2009 | Ketrzyn Open-A | D29 Queen's Gambit Accepted, Classical |
| 466. Z Szymczak vs T Baturo |
| 1-0 | 17 | 2009 | Ketrzyn Open-A | E09 Catalan, Closed |
| 467. Z Szymczak vs K Piorun |
| 0-1 | 25 | 2017 | ch-POL Rapid | A04 Reti Opening |
Kibitzing
