CLI
Main text
CLI - Copy by Linowski
Ap - Presentation autograph
FE - French edition
FEcor - Chopin's FE proof
FE1 - First French edition
FE2 - Corrected impression of FE1
FED - Dubois copy
FEJ - Jędrzejewicz copy
FES - Stirling copy
GE - German edition
GE1 - First German edition
GE1a - Corrected impression of GE1
GE2 - Second German edition
GE3 - Third German edition
GE4 - Fourth German edition
GE5 - Fifth German edition
EE - English edition
EE2 - Second impression of [EE1]
EE3 - Corrected impression of EE2
EE4 - Revised impression of EE3
compare
  b. 1

in Ap

in FEcor

in FE (→GE1GE2, →EE)

in GE3 (→GE4GE5)

Change from Vivace in Ap to Allegro in FE (→GE,EE) may have been related to the fact that the next etude, the Etude in E major, had originally Vivace as its tempo. The number difference in the metronome marking is not significant (144-138), yet the change of the used rhythmic value draws attention. It may have been related to the change of the time signature, although FEcor proves that the changes took place at different time:
Chopin would have had to introduce a possible change from  into  already in the autograph, as in FEcor there is already , on the other hand, the metronome tempo was added only during a subsequent proofreading. The authenticity of the time signature's change is, however, dubious.  

Compare the passage in the sources »

category imprint: Interpretations within context; Differences between sources

issues: Errors in FE, Changes of metre, Errors in GE, Metronome tempos, Authentic corrections of FE

notation: Verbal indications

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