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May 15, 1495
Francesc Vicnet
"Unofficial Champion" when he published the first modern chess book "Libre dels jochs partits dels schacs en nombre de 100" or "Book of 100 games of chess" printed in the city of Valencia. -
Period: May 15, 1495 to 1512
1st Unofficial Champion
Francesc Vicnet -
1512
Pedro Damiano
"Unofficial Champion" after publishing his chess book "Questo libro e da imparare giocare a scachi et de li partiti" or "This book is for learning to play chess and its strategies" printed in Rome and the death of Francesc Vicnet. -
Period: 1512 to 1544
2nd Unofficial Champion
Pedro Damiano