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'''Krasimir Topchiyski''',<br/>
a Bulgarian computer scientist, computer chess programmer, and software development manager at [https://en.wikipedia.org/wiki/SAP#SAP_Labs SAP] Labs] Bulgaria.
He holds B.Sc. and M.Sc. degrees in computer science from [https://en.wikipedia.org/wiki/Sofia_University Sofia University St. Kliment Ohridski] in 2002 and 2004 respectively <ref name="LinkedIn"/>.
Concerning chess programming, Krasimir Topchiyski is author of the [[:Category:Open Source|open source chess engine]] [[Bagatur]], written in [[Java]] <ref>[https://github.com/bagaturchess/Bagatur GitHub - bagaturchess/Bagatur: Java Chess Engine (UCI compatible)]</ref>,
the Java [https://en.wikipedia.org/wiki/API API] to probe [[Gaviota Tablebases]] <ref>[https://github.com/bagaturchess/EGTB-In-Java GitHub - bagaturchess/EGTB-In-Java: Portable Java API for usage of Gaviota Endgame Tablebases]</ref>,
and the Java '''Chess Board Scanner''', which converts [[2D Graphics Board|2D chess board ]] image into [[Forsyth-Edwards Notation]] <ref>[https://github.com/bagaturchess/ChessBoardScanner GitHub - bagaturchess/ChessBoardScanner: Java based Chess Board Scanner, which converts 2D chess board image into a machine readable format a.k.a. Forsyth–Edwards Notation (FEN)]</ref>.
Bagatur, as well the Chess Board Scanner features [[Neural Networks|neural networks]] using [https://en.wikipedia.org/wiki/Neuroph Neuroph] and [https://en.wikipedia.org/wiki/Deeplearning4j Deeplearning4j] <ref>[https://stackoverflow.com/questions/66388295/why-deeplearning4j-cnn-is-returning-not-probabilities-but-only-0s-and-1s-in-the Why DeepLearning4J CNN is returning not probabilities but only 0s and 1s in the INDArray output] by [[Krasimir Topchiyski]], [https://en.wikipedia.org/wiki/Stack_Overflow Stack Overflow], February 26, 2021</ref>.
and are both incorporated inside the [[Android]] app [[Chess Art For Kids]] <ref>[https://play.google.com/store/apps/details?id=com.chessartforkids.paid&hl=en&gl=US Chess Art for Kids: Kindergarten to Grandmaster - Apps on Google Play]</ref>.
