Place a block of Obsidian above your head to minimize taking massive knockback from your own TNT.
Here are the key components to develop a high-quality TNT jump:
Perform a vertical double TNT jump to gain height, allowing you to reach higher, unexpected areas. TNT Jump
Developing a "good piece" of TNT jumping (likely in Minecraft Bedwars) involves mastering timing, spacing, and understanding game mechanics to maximize speed and distance.
Ignite the TNT and wait approximately 3 seconds (or until the 7th-8th white blink) before jumping. Place a block of Obsidian above your head
Create a structure with four TNT blocks arranged with two high-up and two lower down to maximize vertical and horizontal distance.
To help you get the best "piece" (or technique) for your situation, are you working on: to mid? Vertical jumps to reach high bridges? Defensive or counter-offensive jumps in a tight spot? Ignite the TNT and wait approximately 3 seconds
Practice placing the TNT while running forward, aiming for a consistent jump-run-place rhythm to avoid falling into your own trap. 4. Advanced/Creative Methods