Roger Lorenz estudió informática en Bonn en los años 80 y después trabajó muchos años como gestor de proyectos y consultor. Una vez jubilado, ahora tiene más tiempo para sus aficiones, como jugar al ajedrez, la historia del ajedrez y los motores de ajedrez. Es miembro del Club de Ajedrez Bonn-Beuel y de la KWABC. Puede ponerse en contacto con él a través de su página web.
26/07/2026 – Hace setenta años, Bobby Fischer apareció por primera vez en la portada de una revista de ajedrez. Con apenas 13 años, acababa de imponerse con autoridad en el Campeonato Juvenil de Estados Unidos, disputado en Filadelfia. «Chess Life», la revista de la Federación de Ajedrez de Estados Unidos, celebró su hazaña dedicándole la portada y el artículo principal de su edición del 20 de julio de 1956. Roger Lorenz nos invita a hacer un breve viaje al pasado.
25/04/2024 – Inspirándose en un análisis de datos sobre el estilo de juego en el baloncesto estadounidense, Roger Lorenz también ha realizado un análisis de este tipo para el ajedrez de alto nivel. Efectivamente, se han producido cambios significativos en las últimas décadas. No necesariamente positivos.
25/03/2024 – Alpha Zero ha revolucionado el ajedrez informático. El programa "aprendió por su cuenta" a jugar al ajedrez a base de partidas disputadas contra sí mismoy guarando los conocimientos adquiridos en una red neuronal artificial. Entretanto, todos los programas suelen trabajar con esa técnica. Roger Lorenenz utiliza un ejemplo sencillo para explicar, cómo funcionan las redes neuronales artificiales y cómo es posible entrentarlos.
YOUR PERSONAL CHESS COACH - Whether you’re taking your first steps into the world of club chess, or already playing at a tournament level: with FRITZ, you can train more efficiently, intelligently and with a more personalised approach than ever before.
YOUR PERSONAL CHESS COACH - Whether you’re taking your first steps into the world of club chess, or already playing at a tournament level: with FRITZ, you can train more efficiently, intelligently and with a more personalised approach than ever before.
Most players don’t lack the urge to attack, they just strike at the wrong moment, and GM Sipke Ernst shows you which signals tell you to go for the king and which tell you to choose another plan.
How grandmasters win without fireworks: GM Jan Markos shows you 11 very practical tips from "How to play in a lost position" to "Be patient like Carlsen" that will improve your tournament chess.
The Nimzo-Indian has stood the test of time for over a century: Still a top choice for elite players today, from Magnus Carlsen to Praggnanandhaa, it remains one of Black's most reliable ways to fight for real chances against 1.d4 2.c4 3.Nc3.
1.c4 e5 2.Nc3 Bb4!? is an opening idea well worth considering. Black immediately threatens to double the pawns on c3 in the style of the Trompowski or Sicilian Grand Prix attack.
YOUR PERSONAL CHESS COACH - Whether you’re taking your first steps into the world of club chess, or already playing at a tournament level: with FRITZ, you can train more efficiently, intelligently and with a more personalised approach than ever before.
Most players don’t lack the urge to attack, they just strike at the wrong moment, and GM Sipke Ernst shows you which signals tell you to go for the king and which tell you to choose another plan.
How grandmasters win without fireworks: GM Jan Markos shows you 11 very practical tips from "How to play in a lost position" to "Be patient like Carlsen" that will improve your tournament chess.
The Nimzo-Indian has stood the test of time for over a century: Still a top choice for elite players today, from Magnus Carlsen to Praggnanandhaa, it remains one of Black's most reliable ways to fight for real chances against 1.d4 2.c4 3.Nc3.
1.c4 e5 2.Nc3 Bb4!? is an opening idea well worth considering. Black immediately threatens to double the pawns on c3 in the style of the Trompowski or Sicilian Grand Prix attack.
The Italian Game Powerbook 2026 consists exclusively of engine games (1,434,000)
9,90 €
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