Selection of studies composed by
Marek Halski (Poland, 1950)
He is born in Warsaw and is a computer expert and worked as a systems analyst.
His activity in composition of studies began in 1978.
In 10 years he created about thirty studies, and at the same time was dedicated to composing problems.
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(All his studies, more exact dates, possible corrections or cooks and exact details about sources can be found in the
Harold van der Heijden database V (31-12-2015) ).
Selection of studies by Mario Garcia.