Gene Louise De Vera’s “Base Pairs” puzzle arrives this Sunday with a brilliantly unconventional theme that blends mythology with clever wordplay. This five-time NYT constructor crafted a puzzle that moves beyond the ordinary, featuring an unusual theme that rewards careful solving and cultural knowledge.
🔥 Quick Facts
- The puzzle features “Base Pairs” as its theme, connecting literary and mythological betrayals
- Editor Will Shortz notes De Vera is a data scientist from Quezon City, Philippines
- This is De Vera’s fifth puzzle for the New York Times and his first Sunday crossword
- The grid contains 136 words across 21×21 squares with clever layered clues
Understanding the Theme Structure
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“Base Pairs” revolves around five famous betrayals from literature and mythology, each connected by a specific narrative pattern. The theme answers incorporate characters who turned against their allies, creating a sophisticated exploration of treachery across different worlds.
The puzzle weaves together five distinct stories—from Shakespeare to ancient Egypt to modern film. Each answer tells the tale of someone who ultimately betrayed those closest to them.
The Five Betrayals Examined
| Betrayer | Source Material | The Betrayal |
| Brutus | Shakespeare’s “Julius Caesar” | Led conspirators against his friend Caesar |
| Scar | Disney’s “The Lion King” | Murdered his brother Mufasa and usurped the throne |
| Judas | Biblical and Religious Texts | Sold his master Jesus for thirty pieces of silver |
| Set | Ancient Egyptian Mythology | Dismembered his brother Osiris and claimed his throne |
| Iago | Shakespeare’s “Othello” | Fabricated lies that destroyed his general’s life |
Gene Louise De Vera’s Crossword Approach
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De Vera discovered crosswords while unable to sleep one night, browsing the internet until he found a puzzle. His journey from casual solver to constructor happened remarkably fast—he subscribed to The Times’s crossword and quickly realized he preferred creating puzzles over solving them.
His data science background shines through in how he constructs grids with precision and symmetry. De Vera brings mathematical thinking to wordplay, resulting in puzzles that balance beauty with brain-teasing difficulty.
“Gene Louise De Vera is a data scientist in Quezon City, Philippines. One night when he couldn’t sleep he was browsing the internet and stumbled on a crossword—which he liked. Soon, he subscribed to The Times’s crossword. Then he discovered he enjoys making puzzles even more than solving.”
— Will Shortz, Crossword Editor
Puzzle Statistics and Solving Tips
The Sunday puzzle contains 136 words with an average word length of 5.34 letters. The crossword includes nine fill-in-the-blank clues and two cross-reference clues, adding layers to the solving experience.
With 21×21 squares and normal rotational symmetry, this puzzle rewards solvers who recognize literary and mythological references. Fill-in-the-blank clues tend to be among the easiest to solve, making them perfect starting points.
How Will This Puzzle Challenge You Today?
Sunday puzzles range in difficulty—they’re typically midweek level, not the hardest of the week. However, De Vera’s puzzle brings unexpected complexity through its cultural and literary references. Many of the theme elements require knowledge of mythology, Shakespeare, and pop culture.
Crossword editors estimate this puzzle sits at medium difficulty for Sunday solvers. The challenge comes less from wordplay and more from recognizing the sophisticated theme connecting all five betrayals together.
Sources
- XWord Info – Complete puzzle statistics and theme analysis
- New York Times Wordplay – Official puzzle notes and constructor biographical information
- Will Shortz – Crossword editor commentary and puzzle difficulty ratings

Annabelle Ink is a gaming journalist and lifelong gamer who lives and breathes video game culture. From console releases to esports tournaments, this dedicated journalist brings insider knowledge and genuine enthusiasm to every review and feature. Her expertise spans multiple gaming platforms, helping readers discover their next favorite game while staying connected to the pulse of the gaming industry.

