We are proud to announce that the GCYS (Golf Course Yardage System) Yardage Book has received official certification from the R&A (The Royal and Ancient Golf Club of St Andrews), the governing body of golf worldwide.
This certification confirms that the GCYS Yardage Book fully complies with the Rules of Golf and is approved for use in both professional and amateur competitions globally.
What makes GCYS unique:
- Zero Calculation, Zero Delay — Directly displays precise distances from any yardage point to the daily pin position
- Eliminates Slow Play — Enables lightning-fast decision making, improving pace of play
- Coordinate-Based System — A revolutionary approach using coordinate mapping for approximately 1-yard accuracy
- Tournament-Proven — Successfully used in the 2020 Volvo China Open and dozens of other professional events
The R&A certification is a testament to the accuracy and reliability of our system. With invention patents granted in China, the United States, and other countries, GCYS represents a significant advancement in tournament distance determination.
Golf courses and tournament organizers interested in implementing the GCYS system can contact us for a demonstration and consultation.