If you mean the rotating map CAPTCHA in the Czech Land Registry’s Nahlížení do katastru nemovitostí (Nahlížení do KN), the available official help pages do not document its exact controls or the orientation rule it uses. Follow the instructions shown in the live challenge; if an attempt is rejected, check the whole visible map and try again carefully. The title alone does not confirm that this is the puzzle you encountered.
What is the rotating map puzzle?
A public post describes a Czech Land Registry challenge with the Czech instruction “Otočte dlaždice tak, aby tvořily mapu,” meaning “Rotate the tiles so that they form a map.” This is consistent with a CAPTCHA associated with the agency’s Nahlížení do KN application, but the post is an individual account rather than official operating guidance. Public post describing the challenge
The Czech Office for Surveying, Mapping and Cadastre (ČÚZK) confirms that Nahlížení do KN uses a CAPTCHA. It says the purpose is to make automated extraction of cadastral information—including personal data about registered owners—harder. ČÚZK disclosure about the CAPTCHA
How do you rotate and submit the tiles?
The official material available does not specify which buttons, keys, clicks, or gestures rotate tiles, or how to submit an arrangement. The general Nahlížení do KN help page discusses entering the map application and says users may solve a CAPTCHA or sign in to display an ownership list in the workflow it describes; it does not explain this puzzle’s controls. Nahlížení do KN help page
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Use the controls and submission method presented by the live challenge rather than assuming a particular button or keyboard shortcut. ČÚZK’s separate map-viewer help describes ordinary map controls and layers, not this CAPTCHA, so it cannot confirm how the puzzle works. ČÚZK map-viewer help
What orientation should the map have?
The available official sources do not state the verifier’s orientation criteria. They do not confirm that matching road edges, a river, landmarks, or any single feature is sufficient. The prompt reported in the public post says only to rotate the tiles so they form a map; it is not verified as the current official wording.
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As general troubleshooting—not a documented rule—inspect the complete visible arrangement rather than judging it by one road or other feature. Make changes according to the on-screen prompt and result. Avoid relying on a fixed direction or number of rotations, because neither is established by the cited material.
Why might an attempt be rejected?
A public post reports that one user received invalid-attempt results despite believing that roads and a stream lined up. That anecdote illustrates possible frustration, but it does not establish the verifier’s criteria, a general failure rate, or an official defect. Public post describing the challenge
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- Recheck the full visible map, not just one feature.
- Follow the live prompt and any feedback the challenge provides.
- If the site reports an invalid attempt, retry carefully rather than assuming that an apparent edge or landmark match is the accepted solution.
These are cautious troubleshooting suggestions, not confirmed explanations of how the CAPTCHA scores an attempt.
Is there a keyboard, audio, or other alternative?
The cited official pages do not establish whether this particular challenge supports keyboard operation, an audio challenge, a refresh option, an alternative verification method, or a specific retry limit. Check the live interface or the service’s current official help for options; do not assume that one is available.
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Why did ČÚZK add the CAPTCHA?
ČÚZK says the CAPTCHA is intended to make automated collection of cadastral data, including registered owners’ personal data, harder. The agency reports that design, implementation, and testing took 30 working days. That is ČÚZK’s development-time figure, not a measure of user success, accuracy, or accessibility. ČÚZK disclosure about the CAPTCHA
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