John Gill (climber) - Grading System For Bouldering

Grading System For Bouldering

John Gill introduced, in the 1950s, a very early - if not the first - grading system specifically designed for bouldering and not restricted to a particular area. The system, (B1, B2, B3), had two subjective levels of difficulty, and one objective level, and was predicated on prevailing and future standards attained in traditional rock climbing. The introduction of sport climbing some twenty years later and more intense competition weakened the philosophical underpinnings of the three-tiered structure, although climbers such as Jim Holloway adopted personal three-level systems similar to Gill's. Today, Gill's B-system is rarely used, abandoned in favor of open-ended scales of difficulty.

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