Solution:
google/gemini-2.5-flash-lite
Guess
Reasoning
I have systematically identified all the dominoes present in the image. By comparing the set of dominoes on the board with the complete set of double-six domino...
Incorrect
openai/gpt-5.6-luna
Guess
Reasoning
Scanning the board for every domino containing a blank half shows 0-0, 0-1, 0-2, 0-3, 0-4, and 0-6, but no 0-5. Therefore the missing domino is 0-5.
Correct
meta/muse-spark-1.2-contributor
Guess
Reasoning
The board contains 27 dominoes. Systematically checking every unordered pair 0-0 through 6-6, all 28 combinations were looked for and the 0-6 domino never appea...
Incorrect
qwen/qwen3.8-flash
Guess
Reasoning
The board contains 27 dominoes. Checking every pair systematically, the 0-5 domino never appears, so it must be the excluded one.
Correct