[Event "ch-NED KO 2021"] [Site "Hoogeveen NED"] [Date "2021.10.16"] [Round "1.2"] [White "Brandenburg, D"] [Black "Beerdsen, Thomas"] [Result "1/2-1/2"] [WhiteTitle "GM"] [BlackTitle "IM"] [WhiteElo "2483"] [BlackElo "2483"] [ECO "A22"] [Opening "English opening"] [EventDate "2021.10.15"] [WhiteFideId "1011014"] [BlackFideId "1030108"] [EventType "k.o."] 1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 c6 5. Ngxe4 Nxe4 6. Nxe4 d5 7. Nc3 d4 8. Nb1 d3 9. exd3 Bf5 10. Be2 Qd4 11. Qb3 Bc5 12. O-O O-O 13. Na3 Qe5 14. Bf3 Nd7 15. Nc2 Bd6 16. g3 Nc5 17. d4 Nxb3 18. dxe5 Nxa1 19. Ne3 Bxe5 20. Nxf5 Nc2 21. Bd1 Nd4 22. Ne3 Rad8 23. Re1 Rfe8 24. Kf1 g6 25. b3 Bg7 26. d3 f5 27. Ng2 Ne6 28. Bc2 Bc3 29. Re3 Kf7 30. h4 a5 31. Re2 Rd7 32. Re3 Rdd8 33. Re2 Rd7 34. Re3 1/2-1/2

[Event "ch-NED KO 2021"] [Site "Hoogeveen NED"] [Date "2021.10.15"] [Round "1.1"] [White "Beerdsen, Thomas"] [Black "Brandenburg, D"] [Result "1-0"] [WhiteTitle "IM"] [BlackTitle "GM"] [WhiteElo "2483"] [BlackElo "2483"] [ECO "C41"] [Opening "Philidor"] [Variation "Improved Hanham variation"] [EventDate "2021.10.15"] [WhiteFideId "1030108"] [BlackFideId "1011014"] [EventType "k.o."] 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. O-O O-O 7. a4 a6 8. a5 b5 9. axb6 cxb6 10. Qe2 Bb7 11. Rxa6 Bxa6 12. Bxa6 Qc7 13. d5 b5 14. Bxb5 Ra1 15. Nd2 Nc5 16. Qc4 Nfd7 17. Bc6 Nb6 18. Qe2 Bg5 19. b4 Na6 20. Nb3 Rxc1 21. Nxc1 Nxb4 22. Nb5 Qb8 23. Nb3 Nxc6 24. dxc6 Qa8 25. c7 Be7 26. Rd1 Rc8 27. Ra1 Qb7 28. Ra7 Qc6 29. Na5 Qc5 30. Rb7 g6 31. g3 Kg7 32. c4 Kf6 33. Qe3 Qxe3 34. fxe3 Na8 35. Nc6 1-0