Steinitz vs Paulsen • Baden-Baden, Germany (1870) • King’s Gambit: Vienna Variation (C25) 1 min read Master Games Steinitz vs Paulsen • Baden-Baden, Germany (1870) • King’s Gambit: Vienna Variation (C25) Francisco Yepes Barrera February 7, 2026 This game from the Baden-Baden tournament of 1870 features a sharp King’s Gambit–style battle between Wilhelm Steinitz...Read More
Kitson vs Tatnall • USA corr. (1884) • King’s Gambit Accepted: Salvio–Silberschmidt Gambit (C37) 1 min read Master Games Kitson vs Tatnall • USA corr. (1884) • King’s Gambit Accepted: Salvio–Silberschmidt Gambit (C37) Francisco Yepes Barrera February 7, 2026 This correspondence game from the USA (1884) features a wildly tactical King’s Gambit Accepted, Salvio–Silberschmidt Gambit, between...Read More
Steinitz vs Sellmann • Baltimore, USA (1885) • French Defense: Classical (Steinitz) Variation (C11) 1 min read Master Games Steinitz vs Sellmann • Baltimore, USA (1885) • French Defense: Classical (Steinitz) Variation (C11) Francisco Yepes Barrera February 7, 2026 This first-round game from the Baltimore tournament of 1885 shows Wilhelm Steinitz at his most characteristic in...Read More
Offensive Masterpiece by Obsidian • Obsidian 16.14 vs Stockfish 15 • 1st Godelia Computer Chess Tournament (2026) • Sicilian Defense: Najdorf Variation (B90) 1 min read Engine Games Offensive Masterpiece by Obsidian • Obsidian 16.14 vs Stockfish 15 • 1st Godelia Computer Chess Tournament (2026) • Sicilian Defense: Najdorf Variation (B90) Francisco Yepes Barrera February 7, 2026 This is a spectacular Najdorf Sicilian where Obsidian dev-16.14 outplays Stockfish 15 in a sharp, modern attacking...Read More
Claude’s Constitution: Anatomy of a Power that Calls Itself Ethical 18 min read AI Miscellaneous Miscellaneous Claude’s Constitution: Anatomy of a Power that Calls Itself Ethical Francisco Yepes Barrera February 6, 2026 This article was published in Italian in the newsletter DIRITTO ROVESCIO (Right Reverse) under the title “La...Read More
The Obsolete Lawyer 18 min read AI Miscellaneous Miscellaneous The Obsolete Lawyer Francisco Yepes Barrera February 5, 2026 This article was published in Italian in the newsletter DIRITTO ROVESCIO (Right Reverse) under the title “L’Avvocato...Read More
Physical Analogy and Overfitting Control in Eigen Artificial Neural Networks (EANNs) 5 min read EANN Quantum Mechanics Physical Analogy and Overfitting Control in Eigen Artificial Neural Networks (EANNs) Francisco Yepes Barrera January 23, 2026 Eigen Artificial Neural Networks (EANNs) is a method for optimizing predictive systems in general, focusing on artificial...Read More
Arrival and the Calculus of Variations 4 min read Mathematics Miscellaneous Arrival and the Calculus of Variations Francisco Yepes Barrera January 12, 2026 This article was published in Spanish in the Cuaderno de Cultura Cientifica (CCC) under the title “LaLa...Read More
The Einstein-Bohr Moving Slit Experiment, with a Single Atom 4 min read Quantum Mechanics The Einstein-Bohr Moving Slit Experiment, with a Single Atom Francisco Yepes Barrera January 12, 2026 This article was published in Spanish in the Cuaderno de Cultura Cientifica (CCC) under the title “El...Read More
The Variational Theorem in Quantum Mechanics 2 min read Quantum Mechanics The Variational Theorem in Quantum Mechanics Francisco Yepes Barrera January 10, 2026 The Schrödinger equation is separable only for hydrogen-like atoms, with a single electron. For systems with multiple...Read More