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Home/51st OKU 2026

51st OKU 2026

May 15, 2026 – May 17, 2026·Utrecht NED

72

Games

56

Players

2276

Avg Rating

Games

R1.1GMLalith, B(2532)1-0Damen, Igor(2120)A85Dutch with c4 & Nc3→R1.10Krylov, Philippe(2083)½-½Grooten, Tommy(2356)E20Nimzo-Indian→R1.11FMLombaers, P(2339)1-0Smid, Jelle(2081)D37QGD→R1.12Vlieger, Olaf(2075)½-½IMGoudriaan, E(2332)C47Four knights→R1.2Titus, Branco(2119)0-1GMTen Hertog, H(2513)B12Caro-Kann defence→R1.3IMPham, Khoi(2426)1-0Van de Pavoordt, Max(2102)D12QGD Slav→R1.4Brienen, Jacob(2101)½-½IMRiemersma, L(2424)B33Sicilian→R1.5Lahaye, R(2387)1-0Van Harten, Wout(2003)A05Reti opening→R1.6Guillaumond, Matthieu(2094)1-0IMOndersteijn, N(2382)B08Pirc→R1.7FMBekker, Stefan(2367)1-0Garay, Enzo(2089)A04Reti opening→R1.8Groenewoud, Joel(2084)0-1IMOotes, La(2363)B06Robatsch (modern) defence→R1.9IMVan de Griendt, JW(2363)1-0Winter, Sven(2084)A50Queen's Indian accelerated→R2.1Vos, T(2201)0-1GMLalith, B(2532)B06Robatsch defence→R2.10Jakhari, Ansh(2144)0-1FMVan Roon, Sjoerd(2303)A06Reti opening→R2.11FMPomares Diaz, Manuel Alejandro(2302)1-0Van der Plas, R(2130)C19French→R2.12Bulthuis, Jelle(2128)½-½Zhu, Chenwu(2301)B34Sicilian→R2.2GMTen Hertog, H(2513)1-0FMVon Meijenfeldt, Bart(2183)A15English opening→R2.3FMRebers, E(2196)½-½IMPham, Khoi(2426)A07Reti→R2.4WFMCornelisse, Lorelei(2185)0-1Lahaye, R(2387)B90Sicilian→R2.5Schilstra, Laurens(2167)½-½FMBekker, Stefan(2367)B90Sicilian→R2.6IMOotes, La(2363)0-1CMMartyr, Reginald(2160)A85Dutch with c4 & Nc3→R2.7Bosboom, Ardin(2154)1-0IMVan de Griendt, JW(2363)A57Benko gambit half accepted→R2.8Cornelisse, J(2153)½-½FMLombaers, P(2339)A15English opening→R2.9Spit, Vincent(2152)0-1FMKurt, Sascha(2325)B90Sicilian→R3.1GMLalith, B(2532)0-1FMTerlouw, Wouter(2259)A45Trompovsky attack (Ruth, Opovcensky opening)→R3.10FMLombaers, P(2339)1-0Schilstra, Laurens(2167)D15QGD Slav→R3.11Zhu, Chenwu(2301)1-0Hylarides, Charlie Ronald(2010)B15Caro-Kann→R3.12Brandsma, Romayn(1970)0-1CMAn Dinh Minh(2281)B90Sicilian→R3.2Kampman, T(2243)0-1GMTen Hertog, H(2513)A00Benko's opening→R3.3Lahaye, R(2387)½-½FMRitzerveld, Noah(2212)A20English opening→R3.4FMKurt, Sascha(2325)½-½CMAishwin, Daniel(2206)C16French→R3.5FMVan Roon, Sjoerd(2303)0-1Bosboom, Ardin(2154)C50Giuoco Pianissimo→R3.6CMMartyr, Reginald(2160)0-1FMPomares Diaz, Manuel Alejandro(2302)A14English→R3.7IMPham, Khoi(2426)½-½FMWunnink, M(2194)A35English→R3.8FMRebers, E(2196)0-1IMRiemersma, L(2424)A08Reti→R3.9FMBekker, Stefan(2367)1-0Cornelisse, J(2153)A07Reti→R4.1FMTerlouw, Wouter(2259)0-1GMTen Hertog, H(2513)A41Queen's Pawn→R4.10IMOndersteijn, N(2382)½-½IMGrooten, H(2175)A26English→R4.11CMMartyr, Reginald(2160)0-1IMVan de Griendt, JW(2363)A15English opening→R4.12Kleibeuker, Mika(2157)½-½FMVan Roon, Sjoerd(2303)E73King's Indian→R4.2FMPomares Diaz, Manuel Alejandro(2302)0-1Bosboom, Ardin(2154)A46Queen's pawn game→R4.3IMRiemersma, L(2424)1-0Zhu, Chenwu(2301)E15Queen's Indian→R4.4CMAn Dinh Minh(2281)½-½Lahaye, R(2387)B90Sicilian→R4.5Stolwijk, Colin(2270)1-0FMBekker, Stefan(2367)B51Sicilian→R4.6FMRitzerveld, Noah(2212)½-½FMLombaers, P(2339)B33Sicilian→R4.7Bulthuis, Jelle(2128)1-0FMKurt, Sascha(2325)E92King's Indian→R4.8CMAishwin, Daniel(2206)0-1GMLalith, B(2532)B06Robatsch defence→R4.9FMVon Meijenfeldt, Bart(2183)½-½IMPham, Khoi(2426)B15Caro-Kann→R5.1GMTen Hertog, H(2513)½-½IMRiemersma, L(2424)A08Reti→R5.10FMBekker, Stefan(2367)0-1Kleibeuker, Mika(2157)A15English opening→R5.11FMKurt, Sascha(2325)1-0Jakhari, Ansh(2144)B90Sicilian→R5.12IMGrooten, H(2175)0-1FMVan Meegen, R(2303)A07Reti→R5.2Bosboom, Ardin(2154)½-½Bulthuis, Jelle(2128)C11French→R5.3GMLalith, B(2532)1-0CMAn Dinh Minh(2281)E71King's Indian→R5.4Lahaye, R(2387)1-0FMTerlouw, Wouter(2259)A30English→R5.5IMVan de Griendt, JW(2363)½-½FMRitzerveld, Noah(2212)D12QGD Slav→R5.6FMLombaers, P(2339)½-½Vos, T(2201)E15Queen's Indian→R5.7FMLammens, Tim(2244)0-1FMPomares Diaz, Manuel Alejandro(2302)D00Queen's pawn, Mason variation→R5.8IMPham, Khoi(2426)1-0Schilstra, Laurens(2167)A17English→R5.9Thijssen, Freek(2133)1-0IMOndersteijn, N(2382)C41Philidor→R6.1GMTen Hertog, H(2513)1-0Bosboom, Ardin(2154)A21English, Kramnik-Shirov counterattack→R6.10Kleibeuker, Mika(2157)0-1FMKokje, Joris(2264)E73King's Indian→R6.11IMOotes, La(2363)0-1FMVon Meijenfeldt, Bart(2183)A16English opening→R6.12Grooten, Tommy(2356)1-0CMMartyr, Reginald(2160)A80Dutch, 2.Bg5 variation→R6.2FMPomares Diaz, Manuel Alejandro(2302)0-1GMLalith, B(2532)C79Ruy Lopez→R6.3IMRiemersma, L(2424)1-0Lahaye, R(2387)D11QGD Slav→R6.4Bulthuis, Jelle(2128)0-1IMPham, Khoi(2426)B32Sicilian→R6.5FMKooijmans, Jermo(2255)½-½IMVan de Griendt, JW(2363)A16English opening→R6.6Kampman, T(2243)0-1FMLombaers, P(2339)B30Sicilian defence→R6.7FMRitzerveld, Noah(2212)1-0FMKurt, Sascha(2325)B90Sicilian→R6.8FMVan Meegen, R(2303)½-½Thijssen, Freek(2133)A08Reti→R6.9Vos, T(2201)0-1FMVan Roon, Sjoerd(2303)B45Sicilian→

Players

GMLalith, B(2532)GMTen Hertog, H(2513)IMPham, Khoi(2426)IMRiemersma, L(2424)Lahaye, R(2387)IMOndersteijn, N(2382)FMBekker, Stefan(2367)IMOotes, La(2363)IMVan de Griendt, JW(2363)Grooten, Tommy(2356)FMLombaers, P(2339)IMGoudriaan, E(2332)FMKurt, Sascha(2325)FMVan Roon, Sjoerd(2303)FMVan Meegen, R(2303)FMPomares Diaz, Manuel Alejandro(2302)Zhu, Chenwu(2301)CMAn Dinh Minh(2281)Stolwijk, Colin(2270)FMKokje, Joris(2264)FMTerlouw, Wouter(2259)FMKooijmans, Jermo(2255)FMLammens, Tim(2244)Kampman, T(2243)FMRitzerveld, Noah(2212)CMAishwin, Daniel(2206)Vos, T(2201)FMRebers, E(2196)FMWunnink, M(2194)WFMCornelisse, Lorelei(2185)FMVon Meijenfeldt, Bart(2183)IMGrooten, H(2175)Schilstra, Laurens(2167)CMMartyr, Reginald(2160)Kleibeuker, Mika(2157)Bosboom, Ardin(2154)Cornelisse, J(2153)Spit, Vincent(2152)Jakhari, Ansh(2144)Thijssen, Freek(2133)Van der Plas, R(2130)Bulthuis, Jelle(2128)Damen, Igor(2120)Titus, Branco(2119)Van de Pavoordt, Max(2102)Brienen, Jacob(2101)Guillaumond, Matthieu(2094)Garay, Enzo(2089)Groenewoud, Joel(2084)Winter, Sven(2084)Krylov, Philippe(2083)Smid, Jelle(2081)Vlieger, Olaf(2075)Hylarides, Charlie Ronald(2010)Van Harten, Wout(2003)Brandsma, Romayn(1970)