MARC2 Analysis Report

March 26, 2026 — Subject model: nemotron-3-super

1000
Training Tasks
865
Solved by Claude
791
Validated Descriptions
315
MARC-Eligible
57
MARC-Verified Tasks
235
Total MARC Clues

Key Metrics

MetricValue
Training tasks1000
Solved by Claude865 (86.5%)
Validated descriptions791 (91.4% of solved)
MARC-eligible (lang_suff + both_req)315
MARC-verified tasks57
Total MARC clues (all variants)235
Examples-only success rate9.6%
Language-only success rate41.0%

Valid MARC Puzzles (57 tasks)

Task IDmin_kDomainMetaphor
61warfareA skirmish line echeloned to the left wheels right to dress ranks on the anchor company
351mythologyColored runes are carved at different heights on a dark monolith. Each rune awakens, sending its power surging across...
581astronomyA constellation is mirrored across the sky along the axis where a single star type forms an unbroken meridian
821Two monarchs divide a kingdom, each stamping their seal upon their domain's walls.
863A picture frame hides treasure behind its border — break the frame to reveal what's inside.
1381A royal decree summons only the knights whose company matches the king's court size to raise their banners above the ...
1781Two dancers audition for the same spotlight — only a solo performer gets to shine.
1941biologyA membrane separates two colonies of cells. Only the mutations unique to one side survive the selection pressure.
2143A jeweler counts the perfect emeralds among rough stones and lights candles down a dark staircase.
2492Only perfectly square rooms deserve a fireplace.
2901ocean/sailingTwo captains chart hazards on the same waters — their combined map warns of every reef either one spotted.
3172Rockets on a launchpad leap upward by their own height, hovering just above where they used to stand.
3201A neighborhood census taker peers through foggy windows to log which houses are occupied.
3223cookingAn ingredient slides down the cutting board toward the knife's edge, and a garnish line marks where it came to rest.
3633biologyA cell's membrane encloses its cytoplasm: the organelles cluster at both ends while the interior fills with the cell'...
3701Only in the silence between two conversations can you hear the whisper.
3821A city inspector checks each neighborhood for overcrowding.
3861danceA choreographer blocks three rows of dancers in colored costumes on one side of the stage, then calls 'mirror!' — the...
3871electronicsTwo circuit traces of different voltages are routed onto the same chip. The primary trace claims most of the die area...
3983biologyThree species of lichen colonize the same rock face. The magenta fungus is most aggressive and claims any territory i...
4171geologyA fractured crystal missing one vertex from its square lattice releases a vein of mineral through the crack, the depo...
4182biologyA cellular biologist stains tissue samples under a microscope, applying different fluorescent dyes depending on how m...
4211A vampire stands before a mirror that reveals not its reflection, but the negative space where it should be.
4302electronicsComponents soldered to a bus line discharge at different voltages — each type drives a signal trace of proportional l...
4331mythologyFallen souls descend one tier toward the River Styx; any soul that touches the river's edge is seized and split into ...
4432mythologyA yellow oracle whose crooked staff points to one horizon commands the azure spirit to manifest its twin in reflectio...
4492weatherA warm front creeps across the sky — beneath the front, clouds condense and thicken into a solid overcast, while abov...
4542biologyA cell undergoes mitotic division, but each daughter inherits the mother's memory at a different angle of the spindle...
4672danceA pair of dancers holds a tight formation at the center, but soloists have broken away at the corners, each chassé-in...
4991Two rival plants compete for sunlight, and the one that grows more after the fence wins the garden.
5321biologyA cell divides along its spindle, each daughter inheriting the mother's blueprint but oriented to face a new horizon,...
5362astronomyA constellation maps its own stars onto the sky — each bright star in the constellation projects the whole pattern on...
5432biologyIn a petri dish teeming with competing colonies, the species that outgrows all others leaves its signature protein fo...
5613biologyTwo cell membranes, each with protein channels, are layered over a tissue. Only where both membranes have open pores ...
5961ocean/sailingCoral formations on the seabed send their colors rippling upward through the water column, each wave crest carrying t...
6482mythologyThe gods placed mortal souls on a great tapestry, then folded it along the thread of fate. Where two souls touch thro...
7181electronicsComponents on a circuit board demand larger footprints when the bill of materials lists more unique part types — as i...
7242electronicsThree traces of golden circuitry run across a board. The center bus is a solid conductor, while the upper and lower s...
7311A lock only turns when the right key fits perfectly into its grooves.
7332ocean/sailingTwo flotillas converge from port and starboard toward a rendezvous point — the harbormaster's log marks every berth o...
7703A warden counts prisoners trapped inside the walls.
7864biologyA single cell carries the blueprint of the whole organism. Watch it undergo mitosis — not just once, but enough times...
7923biologyTwo strands of DNA, one coding for cold pigment and one for warm, are spliced together across a membrane. Wherever ei...
8061biologySpores released from scattered fungi drift on a gentle southeast wind, each one depositing copies of itself as it flo...
8171mythologyRunes carved along three branches of Yggdrasil, one per notch. The final rune's nature — root or crown — determines w...
8193biologyCells of a single species colonize the petri dish in unpredictable clusters, but every species folds into the same ge...
8221Two old friends find each other by sending golden roads through the city grid.
8633Kingdoms compete to attract the most wandering fireflies.
8722biologyA single nerve impulse zigzagging through a column of tissue
8983biologyA cell whose membrane thickens before division, reinforcing its outer walls while the nucleus stays lean.
9081Three surveyors plant flags and a fence rises to enclose their claim.
9393biologyA enzyme reads the folding pattern of a receptor protein and activates a pigment gene, dyeing a nearby cell cluster i...
9601Scattered travelers heed gravity's call and fall into their designated silos, pooling at the bottom.
9653biologyCertain cells carry a gene that activates their entire chromosome, flooding it with expression markers while the gene...
9711electronicsA technician scanning a circuit board for the components that differ from the standard resistors
9771astronomyAn astronomer reconstructs a corrupted region of a star map by exploiting the crystalline periodicity of stars in a l...
9821biologyA cell undergoes mitosis along its diagonal axis, and wherever chromosomes face each other across the cytoplasm, a ba...