CAISSA RESEARCH
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Drills · Hangs a piece

brianhliou · 9 drills across 4 patterns · 2026-05-01 05:28 UTC
Top diagnosis: 81 leaving pieces hanging positions across 4 openings

1. leaving pieces hanging in the Indian Defense: Accelerated London System (3 positions)

3 of your leaving pieces hanging mistakes happen in this opening, averaging 264cp lost. Most-played: dxe5 ×1, dxe6 ×1, Rxd6 ×1. Engine prefers: Nh5 ×1, g4 ×1, Rc8 ×1.

Drill focus: Step through these 3 positions; name what makes the engine's move stronger before revealing it.
drill 1 of 3

Find a better move than Rxd6.

Indian Defense: Accelerated London System · ply 54 · white to move · you played Rxd6
Show engine choice
Engine recommends: Rc8 (your move lost Δ5.37)
drill 2 of 3

Find a better move than dxe5.

Indian Defense: Accelerated London System · ply 9 · black to move · you played dxe5
Show engine choice
Engine recommends: Nh5 (your move lost Δ1.27)
drill 3 of 3

Find a better move than dxe6.

Indian Defense: Accelerated London System · ply 30 · white to move · you played dxe6
Show engine choice
Engine recommends: g4 (your move lost Δ1.27)

2. leaving pieces hanging in the Caro-Kann Defense (2 positions)

2 of your leaving pieces hanging mistakes happen in this opening, averaging 416cp lost. Most-played: Nh4 ×1, Nc5 ×1. Engine prefers: g3 ×1, Ne5 ×1.

Drill focus: Step through these 2 positions; name what makes the engine's move stronger before revealing it.
drill 1 of 2

Find a better move than Nc5.

Caro-Kann Defense · ply 19 · black to move · you played Nc5
Show engine choice
Engine recommends: Ne5 (your move lost Δ4.36)
drill 2 of 2

Find a better move than Nh4.

Caro-Kann Defense · ply 14 · white to move · you played Nh4
Show engine choice
Engine recommends: g3 (your move lost Δ3.95)

3. leaving pieces hanging in the Sicilian Defense: Alapin Variation (2 positions)

2 of your leaving pieces hanging mistakes happen in this opening, averaging 524cp lost. Most-played: Nd3 ×1, Bxd4 ×1. Engine prefers: Rd2 ×1, Rxd4 ×1.

Drill focus: Step through these 2 positions; name what makes the engine's move stronger before revealing it.
drill 1 of 2

Find a better move than Nd3.

Sicilian Defense: Alapin Variation · ply 60 · white to move · you played Nd3
Show engine choice
Engine recommends: Rd2 (your move lost Δ8.92)
drill 2 of 2

Find a better move than Bxd4.

Sicilian Defense: Alapin Variation · ply 52 · white to move · you played Bxd4
Show engine choice
Engine recommends: Rxd4 (your move lost Δ1.57)

4. leaving pieces hanging in the Italian Game: Classical Variation, Giuoco Pianissimo (2 positions)

2 of your leaving pieces hanging mistakes happen in this opening, averaging 142cp lost. Most-played: Bd6 ×1, Nxg3 ×1. Engine prefers: Bg4 ×1, fxe6 ×1.

Drill focus: Step through these 2 positions; name what makes the engine's move stronger before revealing it.
drill 1 of 2

Find a better move than Bd6.

Italian Game: Classical Variation, Giuoco Pianissimo · ply 25 · black to move · you played Bd6
Show engine choice
Engine recommends: Bg4 (your move lost Δ1.83)
drill 2 of 2

Find a better move than Nxg3.

Italian Game: Classical Variation, Giuoco Pianissimo · ply 25 · black to move · you played Nxg3
Show engine choice
Engine recommends: fxe6 (your move lost Δ1.02)