Use a high-refresh-rate monitor and ensure your fps_max is set to 101 for the smoothest movement.
To understand the obsession with OpenGL wallhacks, one must understand the rendering architecture of the GoldSrc engine. While the engine supported both DirectX (Direct3D) and OpenGL, the competitive community almost exclusively favored OpenGL. cs 16 opengl wallhack better
Because OpenGL is the preferred and most stable renderer for CS 1.6, these hacks generally maintain high FPS compared to Software or D3D alternatives. Use a high-refresh-rate monitor and ensure your fps_max