After having explained the usefulness of the JGAAP program we come to the conclusion that Diego de San Pedro and Juan de Flores are pseudonyms of Lucena. With regards to La Celestina we will observe in this book that Calisto is Lucena, as per Dr. Ricardo Calvo's hypothesis from 1997 which we finally confirmed with the JGAAP.

Very little is known of the circumstances of the life of Ludovico Vicentino degli Arrighi. Most authors do not see any difficulty and claim that our calligrapher was a native of Vicenza but moved to Rome around 1508. Others state that he was born to a poor family in a world where good positions required much money to purchase the position in the papal chancery. Many questions remain unanswered and that is the reason that the literature about him up to now is full of speculations. Arrighi was not an ordinary person, because he came from noble origin and enjoyed in his youth an excellent education. He was a man of the world who used to travel at an early age. His ability to go unnoticed, when the circumstances deem it to be necessary, makes of him an interesting character, because just like a chameleon he is able to adapt to new scenarios. This book gives sufficient information to follow the life of Arrighi after 1527.

The knowledge of intuition has made significant advances in recent years. I have always trusted my intuition in playing draughts, business, and history. I developed a hypothesis and later had to confess that intuition is not enough to predict or assess all implications of including or excluding certain elements or relations. Although some of the ideas ended up to be wrong, others are now confirmed by the JGAAP program. JGAAP is a very helpful program, but using it is not enough to be sure that the results are 100% reliable. For that reason we need additional proofs, such as studies by other researchers and certain words frequently used by the author. In essence, the goal of this book is to provide a toolbox from which researchers can draw certain conclusions about the possible authors of La Celestina.

Every checkers player knows about Woldouby's famous position. This 21 year-old Senegalese drew a lot of attention in Paris in 1910 when he won against all challengers in his store located in the Senegalese village of the Exposition of Jardin d'Acclimatation zoologique. No one understood how this player could win all the games that fast. After Amadou Kandie Woldouby was the second African who participated in a checkers tournament in Paris since he became the city champion in 1911. In 1911 he left France and no one knew his whereabouts since then. In this biography we show that Weiss' golpe (shot) actually was Woldouby's golpe, since he won against Isidore Weiss with it. On the other hand we want to show that Woldouby returned to Senegal in 1911 to take the place of a checkers runner-up in 1913. His biography deserves a worthy place in the history of checkers, as he was the prominent predecessor of the famous Senegalese checkers player Baba Sy.

Researchers are always referring to the fact that alquerque or Quirkat was being played throughout Egypt. In this sense we have to take into account that with regards to the alquerque games we have three man morris, six man morris, nine man morris, and twelve man morris. Each game was played in a certain period. Most historians and archaeologists were following Murray, and stated that alquerque-12 was native to Egypt in the 14th and 13th century B.C., because boards had been found carved into the blocks of stone that form the Luxor temple's roof in Kurna, Egypt. However, alquerque-12 has nothing to do with this period. Alquerque-12 in various countries always had to do with Christians and the church. It was probably played by the church authorities, European crusaders, Knight Templars, Knights of the Order of Santiago, and other soldiers. For that reason we hypothesise that the game was an invention of or related to the activities of the Catholic Church not earlier than the sixth century.

The Obres e Trobes (the first book printed in Spain in 1474 in Valencia) is an art competition held on March 25 of that year. There are many poets who have poems and couplets in this art competition, and we find three poets among them, writers of scachs d'amor: Francesc Castellvi, Bernard Fenollar and Narcis de Vinyoles. The Obres e Trobes is considered to be the first literary work printed in Spain of which the only known copy in the world is preserved in the University Library of Valencia. It consists of 60 leaves without foliation and signature and is written in Roman letters on paper with hand and star watermark. The three poets, as we see, already knew each other. Seeing the relationship they had with King Ferdinand and knowing his passion for the game of chess, there may be another thing they thought about around 1475. It was time to change the figure of the queen and bishop on the chessboard and inform the King by means of their poem in the form of a manuscript.

Lucena was the son of the prothonotary Juan Ramirez de Lucena, ambassador of the Catholic monarch in Spain. He wrote a book called Repeticion de amores y Arte de Ajedrez con 150 juegos de partido that was published in Salamanca around 1497. Around this time he also wrote another book called Tractado sobre la muerte de Don Diego de Azevedo, but this book was lost. One thing is clear - the name Lucena disappeared and we find it in France in some chess manuscripts and that is all. This has been our research. Its path has not been easy, but thanks to a new authorship recognition program it was possible to detect various books with Lucena's marks. This book reflects the result of four years' research and describes the possible life and work of Lucena in Italy, where he became a very famous person at the papal curia. Consequently thanks to this research students have a new line of investigation about the whereabouts of Lucena for 30 years in Italy at their disposal.

This work is the result of studies led by me during my long stay in Blanca (Murcia, Spain). The darkness and oblivion opposed my purpose, of a nation that almost for eight centuries dominated in Spain and where the political history of the Spanish Arabs (Muslims) in Murcia remained in the deepest darkness until recently. I do not deny the glory of Dozy and the immense service he has done with its publications to Spain, but we cannot ignore that today we have Arabists in Muria and Spain who follow the footsteps of the wise Dutch and have improved on him a lot. Murcia belonged to Al-Andalus and throughout the period of Islamic rule, Al-Andalus was a remarkable example and outstanding model of tolerance. All Jews and Christians were allowed to maintain their beliefs and live their lives as they desired as long as they respected their Muslim rulers. The Muslims played a principal role in the history of Spain. Their presence illuminated the Iberian Peninsula while the rest of Europe was engulfed in darkness.

In essence the goal of this book is to provide a toolbox from which researchers can draw conclusions about the possible authors of anonymous and doubtful works.

Blanca is the ideal place for the slow movement, to enjoy the charm of its landscapes and to relax and live better. One cannot hurry the act of creation. Maybe this is a reason that we find in this village so many painters. They all need pace, slowness, silence to be creative and productive. I came from Holland, 40 years ago, and hated in that country the long queues of cars, the great haste of the people. During my travels to many foreign countries as a result of international business I came to the conclusion that there for me are only two places to live well: Haiwai and Blanca. This book has been written for you in ten lenguages: English, German, Dutch, Italian, French, Swedish, Russian, Arabic, Japonese and Chinese.

Lucena was a man of many languages. Being Judeoconverso and son of Ambassador Juan Ramirez de Lucena he knew Hebrew. He also had to master Greek and Latin for his studies. Then his international trips forced him to know Italian, Portuguese, and French. He was the ideal man to write Gramatica Castellana. Since several works of Cristobal de Villalon are giving problems as we do not know whether he was their real author, this work can hopefully clarify somewhat certain unknown territories.

It is convenient to observe the youth group of the Brinta Tournament of 1963/1964, because it would be the start of forthcoming world champions. I was the youth champion of The Netherlands and I also participated in this event. Ton Sijbrands won the tournament with 16 points and had only two draws. I lost to Harm Wiersma and Ton Sijbrands, which was enough for me to tell the whole world that these two players would be future world champions. Ton Sijbrands accomplished this feat in 1972 and 1973. However, the achievements of International Grandmaster Harm Wiersma are better still. He was six times world champion in the years 1976, 1977, 1979, 1981, and 1983- 1984. On the other hand he was Europe's champion in 1999 before Ton Sijbrands! I recommend this book to psycologists and all professionals who work with children as a source of knowledge and a challenge to think in new concepts.

Today most chess historians agree that the weak chess queen, named "dame" in France as from the XIV century, changed to a powerful chess queen in Spain in 1475. Around this year we also see a change of the weak bishop to a strong bishop, according to the chess poem Scachs d'amor. In order to strengthen our hypothesis of Isabella I of Castile (Isabel la Catolica) we have written a book about the new bishop and a book about Scachs d'amor in English. Concentrating now on Virgin Mary in relationship with Isabella I of Castile we observe that the Augustinian monastic Martin de Cordoba wrote in 1468 the work El Jardin de las donzellas. It was directed to Princess Isabel I of Castile with the intention to contribute to her education as future Queen. Cordoba was the first writer who draws equivalencies between Isabella I of Castile and Virgin Mary, which became one of her standard portrayals. Shorty thereafter we see the appearance of a new powerful chess queen.