Sicilian Defense Modern Variations Discovered Check Puzzle:

♟ Puzzle Objective

Black to move. This intermediate Discovered Check challenge comes from a Sicilian Defense Modern Variations position. Find the forcing continuation before viewing the hint or solution, then replay the line until the tactical clue becomes easy to recognise.

Puzzle at a Glance

Main ThemeDiscovered Check

To MoveBlack

Rating1321

Times Played812

Tactical Themes in This Position

Discovered Check Double Check Kingside Attack Long Mate Mate In 3 Middlegame Sacrifice Smothered Mate

Recognising discovered check is only step one. The useful training question is why it works in this exact position and how the Sicilian Defense Modern Variations structure allowed it.

How to Solve It

Check the king, hanging pieces and immediate threats.
List forcing candidates: checks, captures, then direct threats.
Calculate the opponent’s strongest reply before moving.
Play the sequence and review any missed defence.

Calculation Checklist

Checks?Captures?Threats?King escape?Defender removed?Final gain?

Position Analysis

Black to move. This Discovered Check puzzle comes from a Sicilian Defense Modern Variations position. With a training rating of 1321, it is classed here as Intermediate. The solution contains 5 forcing moves after the setup position.

This position contains a forcing tactical opportunity. The winning move is not found by general improvement alone: Black must calculate concrete replies and choose the line that leaves a clear gain. Supporting motifs tagged in the source data include Double Check, Kingside Attack, Long.

Training focus: Solve the line before using the reveal button. Then reset the board and explain why the first move works; recognising the motif in a real game matters more than remembering puzzle ID 04FMB.

Position Details & Source

Puzzle Position FEN

2r2rk1/3Q1ppp/pq2p3/1p2N3/1P3P2/P1P5/5nPP/RNB2RK1 b - - 4 18

Copy this FEN into an analysis board to revisit the exact position shown above. Opening tag: Sicilian Defense Modern Variations. Primary tactical theme: Discovered Check.

View source game on Lichess ↗

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Chess Tactics GuideLearn forks, pins, skewers and major tactical patterns. Chess Move CalculatorAnalyze positions and compare candidate moves. Chess OpeningsBuild the positions where tactics appear. FEN GuideSave and study exact puzzle positions.

Reviewed for practical training by

Alex Torres

FIDE-Rated Chess Analyst · Engine Specialist · Founder, ChessAlgo.com

Alex Torres is a FIDE-rated chess player and Stockfish analysis specialist with 15+ years of competitive play and 8 years of private coaching experience. ChessAlgo puzzle pages are designed for practical calculation training and post-game improvement.

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Frequently Asked Questions

What should I notice first in this Discovered Check puzzle? ▾

Begin by looking for the clue behind the discovered check theme, then compare checks, captures and direct threats. Do not move until you have calculated the opponent’s strongest reply.

How difficult is this tactic? ▾

This puzzle is marked intermediate with a puzzle rating of 1321. Try to solve it without a hint first, then review the full line.

How should I review this position after revealing the line? ▾

Reveal the solution, identify why the discovered check works in this position, reset the board and solve it again from memory. That second attempt is where pattern recognition is built.