Week 10 — Discovered Attacks

Age 8–10Beginner60 minutesWeek 10

Quick-reference answer key. Use the board, hint, line, and one-sentence reason during class.

Exercise answers

Black to move · Very easy

Puzzle 1

Find the best move. Use L-B-M-T: line, blocker, move, two jobs.

Hint: The rook on f6 can move with check. What diagonal opens for the queen on e7?

Correct line: 1...Rxf1+ 2.Kxf1 Qxg5

The rook leaves f6 with check and removes White’s rook. Once f6 is clear, the queen on e7 sees the knight on g5 and wins it.

Source/reference: ChessGo Easiest PDF — Puzzle 1

White to move · Very easy

Puzzle 2

Find the best move. Use L-B-M-T: line, blocker, move, two jobs.

Hint: Can the knight give check and step off the d-file at the same time?

Correct line: 1.Nxc6+ Rxc6 2.Rxd8+

Nxc6+ checks the king and clears the d-file. Black’s rook captures the knight, but that also leaves d8 open for White’s rook.

Source/reference: ChessGo Easiest PDF — Puzzle 2

Black to move · Very easy

Puzzle 3

Find the best move. Use L-B-M-T: line, blocker, move, two jobs.

Hint: Can the bishop give check while moving away from the queen’s d-file?

Correct line: 1...Bxh2+ 2.Kxh2 Qxd1

Bxh2+ forces the king to react and clears d6. The black queen then has an open d-file to White’s queen on d1.

Source/reference: ChessGo Easiest PDF — Puzzle 3

White to move · Beginner

Puzzle 4

Find the best move. Use L-B-M-T: line, blocker, move, two jobs.

Hint: Your g-pawn is blocking the queen’s diagonal to the king. Can the pawn move with tempo?

Correct line: 1.g6+ Kd7 2.gxf7

g6+ uncovers the queen’s diagonal h4–e7. While Black deals with check, the pawn is ready to capture the rook on f7.

Source/reference: ChessGo Easiest PDF — Puzzle 4

White to move · Beginner

Puzzle 5

Find the best move. Use L-B-M-T: line, blocker, move, two jobs.

Hint: Move the bishop with check, then look straight up the e-file.

Correct line: 1.Bh7+ Kh8 2.Rxe8

Bh7+ checks the king and clears e4. The rook on e1 can now see the rook on e8 and wins it after the king moves.

Source/reference: ChessGo Easiest PDF — Puzzle 5

White to move · Beginner

Puzzle 6

Find the best move. Use L-B-M-T: line, blocker, move, two jobs.

Hint: Which white piece is blocking the queen’s diagonal from e2 to g4?

Correct line: 1.Nxe5 Bxe5 2.Qxg4

The knight leaves f3 and captures on e5, uncovering Qe2–g4. After Black recaptures the knight, White takes the bishop on g4.

Source/reference: ChessGo Easiest PDF — Puzzle 6

Black to move · Beginner

Puzzle 7

Find the best move. Use L-B-M-T: line, blocker, move, two jobs.

Hint: Black is in check from the queen on a8. Can the rook on f2 block that check while also clearing the queen’s diagonal to g1?

Correct line: 1...Rf8#

Rf8 blocks White’s queen check along the 8th rank and simultaneously clears the queen’s diagonal e3–f2–g1. The rook on f8 also controls f1; White’s own pieces box in the other king squares, so it is mate.

Source/reference: ChessGo Easiest PDF — Puzzle 7

White to move · Beginner+

Puzzle 8

Find the best move. Use L-B-M-T: line, blocker, move, two jobs.

Hint: A knight check can clear the c-file for your rook. Which capture does that?

Correct line: 1.Nxe7+ Rxe7 2.Rxc8+

Nxe7+ checks the king and moves the knight off c6. After the rook recaptures on e7, White’s c1-rook has a clear file to the rook on c8.

Source/reference: ChessGo Easiest PDF — Puzzle 8

Black to move · Beginner+

Puzzle 9

Find the best move. Use L-B-M-T: line, blocker, move, two jobs.

Hint: Can the bishop move with check and clear the c-file at the same time?

Correct line: 1...Bxf2+ 2.Rxf2 Rxc4

Bxf2+ pulls the bishop off c5 with check. Once White responds, the rook on c8 has a clear line to the white queen on c4.

Source/reference: ChessGo Easiest PDF — Puzzle 9

White to move · Beginner+

Puzzle 10

Find the best move. Use L-B-M-T: line, blocker, move, two jobs.

Hint: Move the knight with check so the rook on d1 can see the rook on d4.

Correct line: 1.Ne5+ Ke6 2.Rxd4

Ne5+ checks the king and clears d3. The rook on d1 now attacks the rook on d4; after the king moves, White wins that rook.

Source/reference: Lichess Open Puzzle data (puzzle CEw9w, rating 844) — mirrored in ardauzunoglu/lichess-subset

Sources and provenance

ChessGo.In — “Discovered Attack Puzzles”, Easiest difficulty PDF. https://www.chessgo.in/pdf/Discovered_Attack_puzzles_Easiest_difficulty_ChessGo.in.pdf. Exercises 1–9: redrawn from source positions; side to move and answer sequence preserved and chess-validated.
ChessGo.In — “Discovered Attack Puzzles”. https://www.chessgo.in/puzzles/discovered-attack. Preferred puzzle-source page and topic framing.
Lichess Open Puzzle data — puzzle CEw9w (rating 844, theme: discoveredAttack). Public dataset record mirrored by ardauzunoglu/lichess-subset. Exercise 10: position after the setup move, with principal variation preserved.
Chess.com — “Discovered Attack - Chess Terms”. https://www.chess.com/terms/discovered-attack-chess. Concept definition adapted and paraphrased.
Lichess Practice — “Discovered Attacks”. Lichess practice page. Concept framing adapted: the moving piece can create a second threat while the hidden piece is revealed.
Project file — chess_board_visual_reference.html. Canonical SVG geometry, palette, glyph treatment, coordinates, highlighting, arrows, orientation, and print size used throughout this package.

All boards in this package are newly rendered as inline SVG. No source screenshots, external piece images, external fonts, or CDN board libraries are embedded.