| 5 ago 2026 | Kolodziejczyk, Boris 2109 | Zhauynbay, Alimzhan 2171 | 0-1 | A15 Apertura Inglesa: Anglo-Indian Defense, King's Indian Formation | Youth Teams Match \"KAZAKHSTAN vs WORLD\" | Boys | Blitz | 70 | Ver |
| 5 ago 2026 | Zhauynbay, Alimzhan 2171 | Kolodziejczyk, Boris 2109 | 1-0 | B04 Defensa Alekhine: Modern Variation, Alburt Variation | Youth Teams Match \"KAZAKHSTAN vs WORLD\" | Boys | Blitz | 38 | Ver |
| 5 ago 2026 | Kolodziejczyk, Boris 2109 | Zhauynbay, Alimzhan 2171 | 0-1 | A15 Apertura Inglesa: Anglo-Indian Defense, King's Indian Formation | Youth Teams Match \"KAZAKHSTAN vs WORLD\" | Boys | Blitz | 27 | Ver |
| 5 ago 2026 | Zhauynbay, Alimzhan 2171 | Kolodziejczyk, Boris 2109 | 1-0 | B02 Defensa Alekhine: Scandinavian Variation | Youth Teams Match \"KAZAKHSTAN vs WORLD\" | Boys | Blitz | 45 | Ver |
| 5 ago 2026 | Kolodziejczyk, Boris 2109 | Zhauynbay, Alimzhan 2171 | 0-1 | A34 Apertura Inglesa: Symmetrical Variation, Three Knights Variation | Youth Teams Match \"KAZAKHSTAN vs WORLD\" | Boys | Blitz | 33 | Ver |
| 5 ago 2026 | Zhauynbay, Alimzhan 2171 | Kolodziejczyk, Boris 2109 | 0-1 | B76 Defensa Siciliana: Dragon Variation, Yugoslav Attack, Modern Line | Youth Teams Match \"KAZAKHSTAN vs WORLD\" | Boys | Blitz | 64 | Ver |
| 5 ago 2026 | Kolodziejczyk, Boris 2109 | Zhauynbay, Alimzhan 2171 | 1-0 | A15 Apertura Inglesa: Anglo-Indian Defense, King's Indian Formation | Youth Teams Match \"KAZAKHSTAN vs WORLD\" | Boys | Blitz | 40 | Ver |
| 5 ago 2026 | Zhauynbay, Alimzhan 2171 | Kolodziejczyk, Boris 2109 | 0-1 | A04 Apertura Zukertort: Sicilian Invitation | Youth Teams Match \"KAZAKHSTAN vs WORLD\" | Boys | Blitz | 29 | Ver |
| 4 ago 2026 | Zhauynbay, Alimzhan 2105 | Kolodziejczyk, Boris 2317 | 1-0 | B76 Defensa Siciliana: Dragon Variation, Yugoslav Attack, Modern Line | Youth Teams Match \"KAZAKHSTAN vs WORLD\" | Boys | Rapid | 38 | Ver |
| 4 ago 2026 | Kolodziejczyk, Boris 2317 | Zhauynbay, Alimzhan 2105 | 0-1 | A15 Apertura Inglesa: Anglo-Indian Defense, King's Indian Formation | Youth Teams Match \"KAZAKHSTAN vs WORLD\" | Boys | Rapid | 69 | Ver |
| 4 ago 2026 | Zhauynbay, Alimzhan 2105 | Kolodziejczyk, Boris 2317 | 1-0 | B60 Defensa Siciliana: Richter-Rauzer Variation, Dragon Variation | Youth Teams Match \"KAZAKHSTAN vs WORLD\" | Boys | Rapid | 49 | Ver |
| 4 ago 2026 | Kolodziejczyk, Boris 2317 | Zhauynbay, Alimzhan 2105 | 1-0 | A15 Apertura Inglesa: Anglo-Indian Defense, King's Indian Formation | Youth Teams Match \"KAZAKHSTAN vs WORLD\" | Boys | Rapid | 31 | Ver |
| 27 jun 2026 | Kolodziejczyk, Boris 2219 | Zhauynbay, Alimzhan 2240 | 1-0 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | FIDE World Cadets Cup 2026 | O12 | 26 | Ver |
| 26 jun 2026 | Advik Amit Agrawal 2382 | Kolodziejczyk, Boris 2219 | ½-½ | C18 Defensa Francesa: Winawer Variation, Portisch-Hook Variation | FIDE World Cadets Cup 2026 | O12 | 22 | Ver |
| 25 jun 2026 | Pradeep, Harshill 2130 | Kolodziejczyk, Boris 2219 | 0-1 | B31 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | FIDE World Cadets Cup 2026 | O12 | 80 | Ver |
| 24 jun 2026 | Kolodziejczyk, Boris 2219 | Anetov, Amirzhan 2099 | 1-0 | C48 Apertura de los Cuatro Caballos: Spanish Variation, Rubinstein Variation, Henneberger Variation | FIDE World Cadets Cup 2026 | O12 | 60 | Ver |
| 23 jun 2026 | Bakhyt, Rauan 2015 | Kolodziejczyk, Boris 2219 | 0-1 | E61 Defensa India de Rey | FIDE World Cadets Cup, O12 | 32 | Ver |
| 18 jun 2026 | Kolodziejczyk, Boris 2219 | Abhinav Anand 2028 | 0-1 | C78 Apertura Española (Ruy López): Morphy Defense, Neo-Arkhangelsk Variation | FIDE World Cadets Cup 2026 | O12 | 42 | Ver |
| 15 abr 2026 | Protopopescu, Luca 2080 | Kolodziejczyk, Boris 2147 | 0-1 | B33 Defensa Siciliana: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | French Youth Chess Championships 2026 | O12 | 51 | Ver |
| 15 abr 2026 | Kolodziejczyk, Boris 2147 | Lobina, Thomas 2015 | ½-½ | B50 Defensa Siciliana: Modern Variations | French Youth Chess Championships 2026 | O12 | 73 | Ver |