'Chia' computer keyboard layout

Canonical namechia.en.matrix
LanguageEnglish
Form factorSlab : Matrix
'Author'Ian Douglas
Author data may not be correct, we're working on it.
Keys horizontally staggeredNo
Letters on thumb (lower and upper case)4
Avoids AltGr for standard charactersNo
Does not move non-character keys (ANSI/ISO)Yes
Maintains QWERTY 'shift' pairsNo
Maintains QWERTY top row (ANSI/ISO)Yes
Uppercase on same keyYes
Conventional home keys, fingering, Space, Enter, Shifts, AltGrNo
Maintains QWERTY ZXCVNo
Maintains Colemak punctuationNo

Click image for larger view

chia.en.matrix


Download the Keyboard Layout Analyzer .json file.

Scores

Scores are percentages relative to the best layout for each metric.
MetricPercentage
Finger-based metrics82.64
Word-based metrics97.16
English85.20
Code64.56
Proglish90.49
Words metric for no same-finger97.16
Overall score87.48

All layouts (434)

MetricLowestLowest scorechia.en.matrix scoreHighestHighest score
Fingersnoel.en.ansi27.8382.64
maks-ex.en.ergodox98.54
Wordsnoel.en.ansi17.4097.16
whorf.en.ansi100.00
Averagenoel.en.ansi24.3587.48
maks-ex.en.ergodox98.08

All Ergo (109)

MetricLowestLowest scorechia.en.matrix scoreHighestHighest score
Fingersqwerty.en.ergodox43.8382.64
maks-ex.en.ergodox98.54
Wordsqwerty-thumbshift.en.ergodox53.9197.16
hands-down-gold-ts.en.ergodox98.80
Averageqwerty.en.ergodox47.2587.48
maks-ex.en.ergodox98.08

All Ergo, uses AltGr (68)

MetricLowestLowest scorechia.en.matrix scoreHighestHighest score
Fingersqwerty.en.ergodox43.8382.64
maks-ex.en.ergodox98.54
Wordsneo2-us.en.ergodox54.1097.16
hands-down-gold-ts.en.ergodox98.80
Averageqwerty.en.ergodox47.2587.48
maks-ex.en.ergodox98.08

Comparison to other layouts

chia.en.matrix chia.en.matrix

colemak-thumbshift.en.ergodox

mtgap-thumbshift.en.ergodox

dvorak.en.matrix

maltron-us-90.en.ergodox

qwerty.en.ansi

Best Ergo

hands-down-gold-ts.en.ergodox

maks-ex.en.ergodox

Worst Ergo

qwerty.en.ergodox

qwerty-thumbshift.en.ergodox

Finger based metrics

Finger based metrics, as determined with Keyboard Layout Analyzer, using KLAnext scoring model, and then normalised to ANSI QWERTY = 100.
Lower is better.

English

RankLayoutScoreDistanceSameFingerSameHand
Bestmaks-ex.en.ergodox43.8743.4032.7667.01
This layoutchia.en.matrix51.4945.9940.1885.12
Referenceqwerty.en.ansi100.00100.00100.00100.00

Programming code

RankLayoutScoreDistanceSameFingerSameHand
Bestx1_atreus-44-keys.en.ergodox54.5034.5661.2880.83
This layoutchia.en.matrix84.42139.4728.1986.77
Referenceqwerty.en.ansi100.00100.00100.00100.00

Proglish (an 80:20 English:Code mix)

RankLayoutScoreDistanceSameFingerSameHand
Bestmaks-ex.en.ergodox49.2242.4944.7871.55
This layoutchia.en.matrix54.3943.7149.4585.65
Referenceqwerty.en.ansi100.00100.00100.00100.00

Overall Fingers score (4 * English % + Code % + Proglish %) / 6

Higher is better. Score is out of 100.
RankLayoutPercentage
Bestmaks-ex.en.ergodox98.54
This layoutchia.en.matrix82.64
Referenceqwerty.en.ansi46.53
MetricLowestLowest scorechia.en.matrix scoreHighestHighest score
Overall fingersnoel.en.ansi27.8382.64
maks-ex.en.ergodox98.54

English Word-based analysis

Home Keys Analysis

The Home Keys for this layout are shown with red dots in the first image above, giving the following letters:

acehinrst

Home key common words

Not part of final score.
Which of the 200 most common words are typeable on the home keys.

Words handledWords not handled
the a in that is as it i his at he are an this their her has she its can there than then these see three each here set since of and to was for with on be by from had not which have or were but you they all been one will who would more up him so out into we when said them about other time no if some only also first could two my what over such do may me any like after very most new made your people now between should where years many being our before through much way work those did well down back just even because own little make must good under man used both same how still while use last too life against know year us get mr take long part off go day might great never found old gbp right another place came during again without come world men end upon think later say few left number away thought until home small different system though around often called within always every need went

Home key words

How many of the 30,000 most common words in the English corpus are typeable on the home keys.
Not included in final score ... layouts with letters on thumb have unfair advantage, and it punishes layouts which opt to keep O and U off the home row.

Home Key lettersEnglish words typeableScoreLongest wordExample
acehinrst1185544515characteristics

Word count
Word length

No same-finger words

How many of the 30,000 most common words in the English corpus can be typed without using the same finger twice.

Home Key lettersEnglish words typeableScoreLongest wordExample
acehinrst23280154119seventeenth-century

Word count
Word length

Word metric comparisons

MetricLowest exampleLowest scorechia.en.matrix scoreHighest exampleHighest score
Home keys wordsabcdef.en.ansi155445
cahi.en.matrix5445
No same-finger wordsnoel.en.ansi2761541
whorf.en.ansi1586
Words averagenoel.en.ansi17.40 %97.16 %
whorf.en.ansi100.00 %

Typing lessons

Download some English words suitable for learning the layout.
Note if any files are empty it's because there are not enough words to create a lesson. This is most noticeable in the bad layouts.

Week 1Homekey words Day 1 Day 2 Day 3 Day 4 Day 5
Week 2No same-finger words Day 1 Day 2 Day 3 Day 4 Day 5
Week 3Common / tricky words Day 1 Day 2 Day 3 Day 4 Day 5
Week 4Pangrams Day 1 Day 2 Day 3 Day 4 Day 5
Week 5So you think you can type? Day 1 Day 2 Day 3 Day 4 Day 5
Week 6Extra practice 1: Common words in text Day 1 Day 2 Day 3 Day 4 Day 5
Week 7Extra practice 2: Lorem ipsum and friends Day 1 Day 2 Day 3 Day 4 Day 5
Week 8Extra practice 3: Underused words Day 1 Day 2 Day 3 Day 4 Day 5
Week 9Extra practice 4: Commonly misspelled words Day 1 Day 2 Day 3 Day 4 Day 5