'Qwerty thumbshift' computer keyboard layout

Canonical nameqwerty-thumbshift.en.ergodox
LanguageEnglish
Form factorSplit : Ergodox / Kinesis
'Author'Submitted by Dave Ferree, QWERTY by Sholes
Author data may not be correct, we're working on it.
Keys horizontally staggeredNo
Letters on thumb (lower and upper case)0
Avoids AltGr for standard charactersYes
Does not move non-character keys (ANSI/ISO)Yes
Maintains QWERTY 'shift' pairsYes
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

qwerty-thumbshift.en.ergodox


Download the Keyboard Layout Analyzer .json file.

Scores

Scores are percentages relative to the best layout for each metric.
MetricPercentage
Finger-based metrics53.80
Word-based metrics53.91
English49.30
Code68.42
Proglish57.17
Words metric for no same-finger53.91
Overall score53.84

All layouts (443)

MetricLowestLowest scoreqwerty-thumbshift.en.ergodox scoreHighestHighest score
Fingersnoel.en.ansi27.8353.80
maks-ex.en.ergodox98.54
Wordsnoel.en.ansi17.4053.91
whorf.en.ansi100.00
Averagenoel.en.ansi24.3553.84
maks-ex.en.ergodox98.08

All Ergo (113)

MetricLowestLowest scoreqwerty-thumbshift.en.ergodox scoreHighestHighest score
Fingersqwerty.en.ergodox43.8353.80
maks-ex.en.ergodox98.54
Wordsqwerty-thumbshift.en.ergodox53.9153.91
hands-down-gold-ts.en.ergodox98.80
Averageqwerty.en.ergodox47.2553.84
maks-ex.en.ergodox98.08

All Ergo, no AltGr (41)

MetricLowestLowest scoreqwerty-thumbshift.en.ergodox scoreHighestHighest score
Fingersqwerty-kinesis-advantage.en.ergodox46.2253.80
hs-indeks.en.ergodox93.29
Wordsqwerty-thumbshift.en.ergodox53.9153.91
uciea-vanilla.en.ergodox98.49
Averageqwerty-kinesis-advantage.en.ergodox48.8753.84
hs-indeks.en.ergodox93.66

All Ergo, no letters on thumbs (79)

MetricLowestLowest scoreqwerty-thumbshift.en.ergodox scoreHighestHighest score
Fingersqwerty.en.ergodox43.8353.80
x1.en.ergodox95.27
Wordsqwerty-thumbshift.en.ergodox53.9153.91
uciea-vanilla.en.ergodox98.49
Averageqwerty.en.ergodox47.2553.84
x1.en.ergodox94.41

All Ergo, no AltGr and no letters on thumbs (26)

MetricLowestLowest scoreqwerty-thumbshift.en.ergodox scoreHighestHighest score
Fingersqwerty-kinesis-advantage.en.ergodox46.2253.80
hs-indeks.en.ergodox93.29
Wordsqwerty-thumbshift.en.ergodox53.9153.91
uciea-vanilla.en.ergodox98.49
Averageqwerty-kinesis-advantage.en.ergodox48.8753.84
hs-indeks.en.ergodox93.66

Comparison to other layouts

qwerty-thumbshift.en.ergodox qwerty-thumbshift.en.ergodox

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 layoutqwerty-thumbshift.en.ergodox88.9984.9387.7999.52
Referenceqwerty.en.ansi100.00100.00100.00100.00

Programming code

RankLayoutScoreDistanceSameFingerSameHand
Bestx1_atreus-44-keys.en.ergodox54.5034.5661.2880.83
This layoutqwerty-thumbshift.en.ergodox79.6565.8681.35103.82
Referenceqwerty.en.ansi100.00100.00100.00100.00

Proglish (an 80:20 English:Code mix)

RankLayoutScoreDistanceSameFingerSameHand
Bestmaks-ex.en.ergodox49.2242.4944.7871.55
This layoutqwerty-thumbshift.en.ergodox86.1079.6085.39100.50
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 layoutqwerty-thumbshift.en.ergodox53.80
Referenceqwerty.en.ansi46.53
MetricLowestLowest scoreqwerty-thumbshift.en.ergodox scoreHighestHighest score
Overall fingersnoel.en.ansi27.8353.80
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:

aADdfFjJkKLlsS

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
a as all the of and to in that is was for with on it be by i his at he from are had not which have or were an this but you their they her has been one will who would more she its up can him so out there into we when said them about other than time no if some only also first could two my what over such do may me any like then after very most these new made your people now between should where years many being our before through much way work those did well down back just see even because own little make must good under man used both same how still three while use last too life against know year each 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 here small set different system though around since 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
aADdfFjJkKLlsS461316dallas

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
aADdfFjJkKLlsS1417785518characteristically

Word count
Word length

Word metric comparisons

MetricLowest exampleLowest scoreqwerty-thumbshift.en.ergodox scoreHighest exampleHighest score
Home keys wordstahan.en.ansi4131
cahi.en.matrix5445
No same-finger wordsnoel.en.ansi276855
whorf.en.ansi1586
Words averagenoel.en.ansi17.40 %53.91 %
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