Comprehensive Hippo · pick a line · learn · drill · play
Checking…
Unlocked Full trainer ready.
What you unlock
A focused trainer for the Hippopotamus Defense — the flexible Black setup with g6 / b6 / d6 / e6 and both bishops fianchettoed. Not a mat class. Pure chess.
Full Hippo menu — vs 1.e4, 1.d4, London, Bc4, bayonet, late levers
Setup order — legal model lines on the board
Scenario drills — unexpected White plans + model moves shown
Play vs Stockfish 18 from the shell you chose
$5 = every trainer — Hippo, London, and any openings we add later. One purchase forever.
$5 once · all trainers · lifetime
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Free peek
3 quiz questions · no paywall. $5 (or code) unlocks full Hippo and every other opening trainer forever.
Unlock all trainers — $5
One payment. Hippo + London + every future opening trainer on this email forever.
Unlocked for member · all trainers · lifetime · full Hippo menu
Hippo menu
Pick a line. Learn, Drill, and Play all follow that shell.
vs 1.e4
The Hippo idea
Black builds a flexible shell and waits.
Core setup (Black)
…g6 · …Bg7 · …d6 · …e6 · …b6 · …Bb7 · …Nd7 · …Ne7
Bishops on the long diagonals. Knights low on d7/e7.
Model line (legal moves)
—
White took the center; Black finished the shell.
When to punch
Castle first. Hit the center when White overextends.
Build it on the board
Step 0 · starting position
vs 1.e4
Scenario drill
Unexpected White plans for this line. After you answer, the board shows a model move.
Question 1
vs 1.e4
Sparring partner
Pick how you want to fight White. Stockfish 18 max — real pressure.