No, a 12mm tunnel does not grow back together on its own. Once a tunnel or piercing reaches a certain size, the tissue does not have the ability to naturally close up and heal completely. If someone with a 12mm tunnel wants it to close, they would likely need to undergo a surgical procedure to remove the excess tissue and allow the hole to heal. **

Playing against a grandmaster in chess can be an incredibly challenging and intimidating experience. Grandmasters are among the best players in the world, with a deep understanding of the game and exceptional strategic skills. It is important to approach the game with humility and a willingness to learn, as playing against a grandmaster can provide valuable insights and opportunities for improvement. While the odds of winning may be slim, the experience of facing off against a grandmaster can be a valuable learning opportunity and a memorable experience for any chess enthusiast. **

The choice between a 10mm or 12mm tunnel ultimately depends on your personal preference and the look you are trying to achieve. A 10mm tunnel may be more subtle and suitable for everyday wear, while a 12mm tunnel will be slightly larger and more noticeable. Consider the size of your earlobes and how comfortable you are with a larger size before making your decision. **

Yes, there is a Samyang 12mm lens without autofocus. The Samyang 12mm f/2.0 NCS CS lens is a manual focus lens designed for mirrorless cameras. It is known for its wide-angle perspective and fast aperture, making it a popular choice for landscape and astrophotography. While it lacks autofocus, it offers excellent image quality and is favored by many photographers for its sharpness and compact size. **

Becoming a chess grandmaster is a highly challenging and competitive endeavor that requires exceptional skill, dedication, and strategic thinking. While it is theoretically possible for anyone to become a grandmaster with enough practice and commitment, the reality is that only a very small percentage of chess players ever achieve this prestigious title. To become a grandmaster, one must typically start playing chess at a young age, receive expert coaching, participate in numerous tournaments, and consistently perform at a high level against top competition. It is important to set realistic goals and enjoy the journey of improving your chess skills, regardless of whether or not you ultimately reach the grandmaster level. **

No, a 10mm hole is not sufficient for a 12mm dowel. The hole should be slightly larger than the dowel to allow for easy insertion and a secure fit. In this case, a 12mm hole would be the appropriate size for a 12mm dowel. Using a smaller hole could result in a tight fit or even damage to the dowel during insertion. **

To stretch an ear piercing to 12mm, it's important to do so gradually and safely to avoid injury. Start by allowing your piercing to fully heal before attempting to stretch it. Then, gradually increase the size of your jewelry over time, typically waiting at least 4-6 weeks between each stretch. Use lubricant and taper tools specifically designed for stretching piercings to help ease the process. It's important to listen to your body and not force the stretch if you experience pain or resistance. Consulting with a professional piercer can also provide valuable guidance and assistance throughout the stretching process. **

To checkmate in chess, you need to put your opponent's king in a position where it is under attack and cannot escape capture. This means the king is in a position to be captured on the next move and there are no other legal moves available to get out of check. Checkmate ends the game immediately, and the player who achieves checkmate is declared the winner. It requires strategic planning, positioning your pieces effectively, and anticipating your opponent's moves to successfully checkmate in chess. **