Studies correct or not?
Sources: Database III Harold van der Heijden, 2005.
Sadly many of these findings are not yet in his new database HHdbIV 2010.
This is not a page to show how many mistakes are made by composers.
This is just a page to get chessplayers to analyse studies.
Making a correct or almost correct study is still much more difficult than to find a mistake or a flaw in a creation.
It also takes a lot of time to make a good original study. Sometimes weeks or even years!!!
And also an incorrect study can still have some beautiful variations, ideas and positions!
You also are invited to find a way to correct these studies.

C.J. De Feijter 1958.
How does white stop the c-pawn!
White plays and makes a draw!
1. Incorrect (cooked) studies?.
4. In this .pgn file two studies send by Odd Řivind Bergstad are not in the HHdbIII but are now in HHdbIV 2010.
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Peter Boll.