Check out this 25 move game repetition from
Leko-Tkachiev (1-0)
Leko-Mamedyarov (0.5-0.5)
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. O-O d6 7. d4 exd4 8. Nxd4
Bb7 9. Bd2 Nxb3 10. Nxb3 Rb8 11. Re1 Nf6 12. e5 dxe5 13. Rxe5+ Be7 14. Qe2 Kf8 15. a3 Bd6 16. Bb4 g6 17. Nc3 Kg7 18. Rd1 Bxe5 19. Rxd8 Rbxd8 20. Qxe5 Rhe8 21.Be7 Rxe7 22. Qxe7 Re8 23. Qxe8 Nxe8 24. Nc5 Bc8 25. Nd5
