Social Golfer 196x14x14 (14-14-14)

Synthetic pure Social Golfer scenario: 196 participants into 14 groups of 14 across 14 sessions, maximizing unique contacts.

Open in GroupMixer Results

196 people14 groups14 sessions300s limit8 CPUs

Scenario ID: internal.social-golfer-196x14x14.v1
Problem hash: sha256:ee8bf6ced63c1330ed42b27c975edce57f42cb7618ee44137868aa9fb4a2e16b

Comparator results

publication r20

Barasu-kun

Feasible

valid 5/5best 3,638median 3,680

Configuration

barasu-kun-0586a3f-sequential-v1

evidence r1 · eligible

GolfSoftware Play All

Unsupported

valid —best —median —

Configuration

golfsoftware-play-all-live-55-second-v1

evidence r1 · unsupported

The live product exceeds its 100-participant limit and does not offer fourteen-person groups.

Good-Enough Golfers

Feasible

valid 5/5best 4,412median 4,449

Configuration

good-enough-golfers-4db20742-fixed-ga-v1

evidence r1 · eligible

GroupMixer

Feasible

valid 5/5best 721median 732

Configuration

browser-auto-8-defaults-v1

evidence r19 · eligible

Measured 11 October 2026 on an Intel Core Ultra 9 386H; eight pinned CPUs, 8 GiB physical memory, swap disabled. Current production browser Auto, eight requested lanes, automatic Extreme handoff and default CP-SAT admission.

Gurobi

Unavailable

valid —best —median —

Configuration

unavailable-license

evidence r1 · unavailable

No runnable licensed environment and reproducible formulation are available for v1.

Halftime Team Pairings

Unsupported

valid —best —median —

Configuration

halftime-team-pairings-live-sequential-last-six-v1

evidence r1 · unsupported

The live product exposes only fixed group sizes 2 through 5, which cannot represent this canonical geometry.

Hexaly

Unavailable

valid —best —median —

Configuration

unavailable-license

evidence r1 · unavailable

No runnable licensed environment and reproducible formulation are available for v1.

IIENSTITU Random Group Generator

Feasible

valid 5/5best 4,240median 4,240

Configuration

iienstitu-live-avoid-history-seeded-v1

evidence r1 · eligible

Optimal Group Generator

Unsupported

valid —best —median —

Configuration

optimal-group-generator-live-fixed-ga-sequential-v1

evidence r1 · unsupported

The live product enforces a maximum of 50 active members.

Google OR-Tools CP-SAT

Error

valid 0/5best —median —

Configuration

ortools-cpsat-case-formulations-v1:pure-sgp-no-hint-v3

evidence r19 · eligible

Measured 11 October 2026 on an Intel Core Ultra 9 386H; eight pinned CPUs, 8 GiB physical memory, swap disabled. Frozen case-specific OR-Tools 9.15.6755 formulation and parameters.

Social Golfer Online

Unsupported

valid —best —median —

Configuration

social-golfer-online-beta-120-member-limit

evidence r1 · unsupported

The live hosted beta rejected member 121 with HTTP 422, so its 120-member limit cannot represent this 196-participant case.

Teach Arcade Group Maker

Feasible

valid 5/5best 4,251median 4,268

Configuration

teach-arcade-live-roundrobin-sequential-history-v1

evidence r1 · eligible

TourneyCard Golf Randomizer

Unsupported

valid —best —median —

Configuration

tourneycard-group-size-limit-4

evidence r1 · unsupported

Live TourneyCard 2.0.4 supports group sizes 2 through 4; the canonical case requires groups of 14.

Comparator status, attempts, score, and configuration
Tool	Status	Valid	Best	Median	Evidence
Barasu-kun	Feasible	5/5	3,638	3,680	Configuration `barasu-kun-0586a3f-sequential-v1` evidence r1 · eligible
GolfSoftware Play All	Unsupported	—	—	—	Configuration `golfsoftware-play-all-live-55-second-v1` evidence r1 · unsupported The live product exceeds its 100-participant limit and does not offer fourteen-person groups.
Good-Enough Golfers	Feasible	5/5	4,412	4,449	Configuration `good-enough-golfers-4db20742-fixed-ga-v1` evidence r1 · eligible
GroupMixer	Feasible	5/5	721	732	Configuration `browser-auto-8-defaults-v1` evidence r19 · eligible Measured 11 October 2026 on an Intel Core Ultra 9 386H; eight pinned CPUs, 8 GiB physical memory, swap disabled. Current production browser Auto, eight requested lanes, automatic Extreme handoff and default CP-SAT admission.
Gurobi	Unavailable	—	—	—	Configuration `unavailable-license` evidence r1 · unavailable No runnable licensed environment and reproducible formulation are available for v1.
Halftime Team Pairings	Unsupported	—	—	—	Configuration `halftime-team-pairings-live-sequential-last-six-v1` evidence r1 · unsupported The live product exposes only fixed group sizes 2 through 5, which cannot represent this canonical geometry.
Hexaly	Unavailable	—	—	—	Configuration `unavailable-license` evidence r1 · unavailable No runnable licensed environment and reproducible formulation are available for v1.
IIENSTITU Random Group Generator	Feasible	5/5	4,240	4,240	Configuration `iienstitu-live-avoid-history-seeded-v1` evidence r1 · eligible
Optimal Group Generator	Unsupported	—	—	—	Configuration `optimal-group-generator-live-fixed-ga-sequential-v1` evidence r1 · unsupported The live product enforces a maximum of 50 active members.
Google OR-Tools CP-SAT	Error	0/5	—	—	Configuration `ortools-cpsat-case-formulations-v1:pure-sgp-no-hint-v3` evidence r19 · eligible Measured 11 October 2026 on an Intel Core Ultra 9 386H; eight pinned CPUs, 8 GiB physical memory, swap disabled. Frozen case-specific OR-Tools 9.15.6755 formulation and parameters.
Social Golfer Online	Unsupported	—	—	—	Configuration `social-golfer-online-beta-120-member-limit` evidence r1 · unsupported The live hosted beta rejected member 121 with HTTP 422, so its 120-member limit cannot represent this 196-participant case.
Teach Arcade Group Maker	Feasible	5/5	4,251	4,268	Configuration `teach-arcade-live-roundrobin-sequential-history-v1` evidence r1 · eligible
TourneyCard Golf Randomizer	Unsupported	—	—	—	Configuration `tourneycard-group-size-limit-4` evidence r1 · unsupported Live TourneyCard 2.0.4 supports group sizes 2 through 4; the canonical case requires groups of 14.

OR-Tools returned no candidate: 5 process errors. 5 attempts reached the 8 GiB physical memory limit. These are errors, not timeout or infeasibility claims.

Measured attempts

Barasu-kun · attempt-1feasible

hosted observationcost 3,6805.719sRSS —

Barasu-kun · attempt-2feasible

hosted observationcost 3,6385.857sRSS —

Barasu-kun · attempt-3feasible

hosted observationcost 3,6926.546sRSS —

Barasu-kun · attempt-4feasible

hosted observationcost 3,6834.428sRSS —

Barasu-kun · attempt-5feasible

hosted observationcost 3,6706.468sRSS —

Good-Enough Golfers · attempt-1feasible

hosted observationcost 4,412231.501sRSS —

Good-Enough Golfers · attempt-2feasible

hosted observationcost 4,452276.26sRSS —

Good-Enough Golfers · attempt-3feasible

hosted observationcost 4,421267.54sRSS —

Good-Enough Golfers · attempt-4feasible

hosted observationcost 4,449278.279sRSS —

Good-Enough Golfers · attempt-5feasible

hosted observationcost 4,456273.551sRSS —

GroupMixer · seed-101feasible timeout

local browsercost 721299.951sRSS —

GroupMixer · seed-202feasible timeout

local browsercost 727300.067sRSS —

GroupMixer · seed-303feasible timeout

local browsercost 750299.934sRSS —

GroupMixer · seed-404feasible timeout

local browsercost 741300.266sRSS —

GroupMixer · seed-505feasible timeout

local browsercost 732299.944sRSS —

IIENSTITU Random Group Generator · seed-101feasible

hosted observationcost 4,2407.481sRSS —

IIENSTITU Random Group Generator · seed-202feasible

hosted observationcost 4,2408.825sRSS —

IIENSTITU Random Group Generator · seed-303feasible

hosted observationcost 4,2407.208sRSS —

IIENSTITU Random Group Generator · seed-404feasible

hosted observationcost 4,2406.959sRSS —

IIENSTITU Random Group Generator · seed-505feasible

hosted observationcost 4,24014.386sRSS —

Google OR-Tools CP-SAT · seed-101error

native processcost —31.845sRSS —

Google OR-Tools CP-SAT · seed-202error

native processcost —33.183sRSS —

Google OR-Tools CP-SAT · seed-303error

native processcost —30.883sRSS —

Google OR-Tools CP-SAT · seed-404error

native processcost —32.247sRSS —

Google OR-Tools CP-SAT · seed-505error

native processcost —30.61sRSS —

Teach Arcade Group Maker · attempt-1feasible

hosted observationcost 4,2575.415sRSS —

Teach Arcade Group Maker · attempt-2feasible

hosted observationcost 4,3036.273sRSS —

Teach Arcade Group Maker · attempt-3feasible

hosted observationcost 4,2755.805sRSS —

Teach Arcade Group Maker · attempt-4feasible

hosted observationcost 4,2516.721sRSS —

Teach Arcade Group Maker · attempt-5feasible

hosted observationcost 4,2685.867sRSS —

Per-attempt benchmark status, execution class, canonical cost, runtime, and memory
Tool / attempt	Execution	Status	Cost	Wall	Peak RSS
Barasu-kun · attempt-1	Hosted	feasible	3,680	5.719s	—
Barasu-kun · attempt-2	Hosted	feasible	3,638	5.857s	—
Barasu-kun · attempt-3	Hosted	feasible	3,692	6.546s	—
Barasu-kun · attempt-4	Hosted	feasible	3,683	4.428s	—
Barasu-kun · attempt-5	Hosted	feasible	3,670	6.468s	—
Good-Enough Golfers · attempt-1	Hosted	feasible	4,412	231.501s	—
Good-Enough Golfers · attempt-2	Hosted	feasible	4,452	276.26s	—
Good-Enough Golfers · attempt-3	Hosted	feasible	4,421	267.54s	—
Good-Enough Golfers · attempt-4	Hosted	feasible	4,449	278.279s	—
Good-Enough Golfers · attempt-5	Hosted	feasible	4,456	273.551s	—
GroupMixer · seed-101	Browser	feasible timeout	721	299.951s	—
GroupMixer · seed-202	Browser	feasible timeout	727	300.067s	—
GroupMixer · seed-303	Browser	feasible timeout	750	299.934s	—
GroupMixer · seed-404	Browser	feasible timeout	741	300.266s	—
GroupMixer · seed-505	Browser	feasible timeout	732	299.944s	—
IIENSTITU Random Group Generator · seed-101	Hosted	feasible	4,240	7.481s	—
IIENSTITU Random Group Generator · seed-202	Hosted	feasible	4,240	8.825s	—
IIENSTITU Random Group Generator · seed-303	Hosted	feasible	4,240	7.208s	—
IIENSTITU Random Group Generator · seed-404	Hosted	feasible	4,240	6.959s	—
IIENSTITU Random Group Generator · seed-505	Hosted	feasible	4,240	14.386s	—
Google OR-Tools CP-SAT · seed-101	Native	error	—	31.845s	—
Google OR-Tools CP-SAT · seed-202	Native	error	—	33.183s	—
Google OR-Tools CP-SAT · seed-303	Native	error	—	30.883s	—
Google OR-Tools CP-SAT · seed-404	Native	error	—	32.247s	—
Google OR-Tools CP-SAT · seed-505	Native	error	—	30.61s	—
Teach Arcade Group Maker · attempt-1	Hosted	feasible	4,257	5.415s	—
Teach Arcade Group Maker · attempt-2	Hosted	feasible	4,303	6.273s	—
Teach Arcade Group Maker · attempt-3	Hosted	feasible	4,275	5.805s	—
Teach Arcade Group Maker · attempt-4	Hosted	feasible	4,251	6.721s	—
Teach Arcade Group Maker · attempt-5	Hosted	feasible	4,268	5.867s	—

Pair-frequency distribution

GroupMixer · seed-101

Number of participant pairs by meeting frequency
Meetings	Participant pairs
1	16778
2	235
3	26
4	18
5	15
6	9
7	10
8	4
9	3
10	8
11	8
12	1

Unique contacts: 17,115
Repeat excess: 721
Repeated pairs: 337
Worst pair count: 12
Min contacts / person: 110
Mean contacts / person: 174.64

Evidence and reproduction

gm-scenarios materialize internal.social-golfer-196x14x14.v1 --pretty --output case.json

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