CAISSA RESEARCH
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Drills · Misses a discovered attack

brianhliou · 9 drills across 4 patterns · 2026-05-03 07:28 UTC
Top diagnosis: 197 missed discovered attacks positions across 4 openings

1. missed discovered attacks in the Queen's Pawn Game: London System, with e6 (3 positions)

3 of your missed discovered attacks mistakes happen in this opening, averaging 224cp lost. Most-played: h4 ×1, Re3 ×1, Kg2 ×1. Engine prefers: Qc5 ×1, Ng4 ×1, f5 ×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 Re3.

Queen's Pawn Game: London System, with e6 · ply 34 · white to move · you played Re3
Show engine choice
Engine recommends: Ng4 (your move lost Δ3.13)
drill 2 of 3

Find a better move than h4.

Queen's Pawn Game: London System, with e6 · ply 58 · white to move · you played h4
Show engine choice
Engine recommends: Qc5 (your move lost Δ1.92)
drill 3 of 3

Find a better move than Kg2.

Queen's Pawn Game: London System, with e6 · ply 58 · white to move · you played Kg2
Show engine choice
Engine recommends: f5 (your move lost Δ1.68)

2. missed discovered attacks in the Queen's Pawn Game (2 positions)

2 of your missed discovered attacks mistakes happen in this opening, averaging 280cp lost. Most-played: Nfg5 ×1, b4 ×1. Engine prefers: Nc5 ×1, Ng6 ×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 Nfg5.

Queen's Pawn Game · ply 26 · white to move · you played Nfg5
Show engine choice
Engine recommends: Nc5 (your move lost Δ3.70)
drill 2 of 2

Find a better move than b4.

Queen's Pawn Game · ply 38 · white to move · you played b4
Show engine choice
Engine recommends: Ng6 (your move lost Δ1.89)

3. missed discovered attacks in the Ruy Lopez: Morphy Defense, Modern Steinitz Defense (2 positions)

2 of your missed discovered attacks mistakes happen in this opening, averaging 139cp lost. Most-played: Nf4 ×1, dxe5 ×1. Engine prefers: exd4 ×1, Nxd5 ×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 dxe5.

Ruy Lopez: Morphy Defense, Modern Steinitz Defense · ply 21 · black to move · you played dxe5
Show engine choice
Engine recommends: Nxd5 (your move lost Δ1.71)
drill 2 of 2

Find a better move than Nf4.

Ruy Lopez: Morphy Defense, Modern Steinitz Defense · ply 33 · black to move · you played Nf4
Show engine choice
Engine recommends: exd4 (your move lost Δ1.07)

4. missed discovered attacks in the Queen's Pawn Game: London System (2 positions)

2 of your missed discovered attacks mistakes happen in this opening, averaging 268cp lost. Most-played: Rf1 ×1, Rxe5 ×1. Engine prefers: Nd4 ×1, dxe5 ×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 Rf1.

Queen's Pawn Game: London System · ply 30 · white to move · you played Rf1
Show engine choice
Engine recommends: Nd4 (your move lost Δ2.98)
drill 2 of 2

Find a better move than Rxe5.

Queen's Pawn Game: London System · ply 36 · white to move · you played Rxe5
Show engine choice
Engine recommends: dxe5 (your move lost Δ2.38)