Courses from 1000+ universities
17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.
600 Free Google Certifications
Fundamentals of Neuroscience, Part 1: The Electrical Properties of the Neuron
Organic Chemistry 1
Mountains 101
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Discover how Aronian exploits tactical weaknesses in Nepomniachtchi's Petrov Defense, analyzing critical e4/e5 square battles and knight exchange consequences in this instructive blitz game.
Master advanced chess tactics by following a National Master's thought process while solving challenging puzzles rated 1762-2126 on Lichess.
Discover one of chess history's most spectacular king walks as Grischuk's monarch journeys deep into enemy territory in this legendary 2010 World Team Championship game.
Discover how Kasparov's precise Rossolimo Attack dismantles Kramnik's defense in just 26 moves, showcasing the devastating consequences of losing central control in chess.
Dive into a thrilling King's Indian Defense battle where Rapport sacrifices material for devastating attacking chances against Praggnanandhaa's king in this 2025 Uzchess Cup clash.
Discover Karpov's masterful tactical sequence against Gulko in this legendary 1996 Queen's Gambit game, showcasing brilliant positional play in a queenless middlegame.
Discover how Mikhail Tal dismantles the Tarrasch Defense with tactical brilliance against Michael Stean in this 1975 Alekhine Memorial game analysis.
Experience rapid chess gameplay with detailed thought processes through Bishop's Opening and Sicilian Defense matches in a relaxing 10+0 time format.
Discover how Carlsen uses the Catalan Opening to gambit a pawn and exploit queenside weaknesses against Caruana in this instructive Norway Chess 2025 analysis.
Explore a classic chess game between Knorre and Chigorin from 1874, featuring a stunning queen sacrifice and forced resignation after just 14 moves in the Italian Game opening.
Delve into a masterful chess endgame analysis featuring Magnus Carlsen vs Daniil Dubov, showcasing technical rook positioning and strategic pawn play in a Sicilian Defense Moscow variation.
Explore a thrilling chess game analysis featuring Mamedyarov's brilliant kingside attack and spectacular queen sacrifice in the Semi-Slav Defense Stoltz variation.
Explore a masterful 1987 chess game where Tal demonstrates the Austrian Attack against the Pirc Defense, featuring strategic queen and knight positioning for a decisive victory.
Analyze a masterful chess game where young Ivanchuk demonstrates superior positional understanding against the Bogo-Indian Defense, leading to a brilliant checkmate sequence.
Analyze Magnus Carlsen's masterful kingside pawn storm strategy in a rapid chess game, showcasing positional dominance and endgame technique in the London System.
Get personalized course recommendations, track subjects and courses with reminders, and more.