ELO 1200
Annihilation of Defense
Take out the piece that defends another — the whole defense unravels.
CT-ART
See the pattern. Find it on the full board. Remember it.

1,138 puzzles•10 Base Camps
Three Core Paths. Three Stars.
Continue with Reinforcement Paths toward the Mega Star.
“Every puzzle brings you closer to a stronger you.”
— CHESS KING
THE PAIRED LEARNING METHOD
Three real puzzles, three levels. Watch the noise fall away and the pattern appear.
ELO 1200
Take out the piece that defends another — the whole defense unravels.
ELO 1600
Clear your own piece off the file so the rook crashes through.
ELO 2050
Distract the pieces defending the most important squares.
Find the tactical idea in the real 8×8 position.
Remove the noise and isolate the idea when needed.
Understand the tactical geometry.
Recognize the same idea in the original position.
THE ILLUSTRATED ENCYCLOPEDIA
Every CT-ART lesson is also available as a beautifully illustrated one-page study sheet — full position, 5×5 pattern, explanation, solution and pattern to remember.
THEME LIBRARY
Everyone can browse major themes, subthemes, puzzle counts and difficulty ranges. Training from the library requires Premium.
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MY CT-ART
Your solved puzzles, learned patterns, training level, theme strengths and recent activity will appear here after you begin.
THE OFFICIAL DIGITAL BOOKS
The four Encyclopedia volumes contain every CT-ART position with its associated 5×5 pattern and solution. The Pattern Companion contains every 5×5 pattern, with arrows showing the winning ideas.
Digital books sold separately. Read them online or download them for offline study.
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YOU’VE SEEN THE METHOD
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