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Modern Defense report from your own games

Modern Defense report from your own games

Hypermodern flexibility. See if your counterattacking style delivers.

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Sample Report

Modern Defense Report

40 GAMESSample Data
Win Rate
50%

Performance vs Other Openings

Modern Defense50% Win
Other Openings44% Win

Key Insights

Opening Concept
black
High Impact

Hypermodern Center Control Fails When Fianchetto Is Delayed

What this means
The Modern Defense relies on controlling the center from a distance with ...g6 and ...Bg7, but in 16 of 40 games you delay ...Bg7 past move 4 to play other moves first. When the fianchetto bishop is not developed quickly, White builds an unchallenged e4-d4 center and launches a direct kingside attack. Your win rate with ...Bg7 by move 3 is 58%, but only 34% when you delay it past move 4.
How to improve
In the Modern Defense, the fianchetto bishop is your most important piece — develop it immediately. The ideal move order is 1...g6, 2...Bg7, then decide on ...d6, ...c5, or ...d5 based on White's setup. Do not play ...a6, ...b6, or ...Nf6 before ...Bg7 unless you have a very specific reason. The bishop on g7 pressures the center (d4, e5) and defends the king — without it, you have neither counterplay nor safety.
#hypermodern#fianchetto#center-control
King Safety
black
High Impact

King Safety Compromised in 45% of Fianchetto Structures

What this means
In 18 of 40 games, White successfully attacks your kingside despite the fianchetto. The typical pattern: White pushes h4-h5, you exchange on h5, and the open h-file becomes a lethal attacking avenue. You allow h5 without counterplay in the center 13 times, and your king is exposed in every case. Win rate when h5 is answered with central counterplay: 52%. Without counterplay: 15%.
How to improve
When White pushes h4-h5 against your fianchetto, you must react in the center immediately — this is non-negotiable. Play ...c5, ...d5, or ...e5 to open the center and create counterplay before White's attack arrives. Do not play ...h6 to prevent h5 as this often weakens g6 further. If White has already achieved h5 and you have no central counterplay, consider ...Kh8 and ...Rg8 to prepare a defensive setup. The key principle: in the Modern, flank attacks are answered in the center.
#king-safety#fianchetto#h-pawn-attack
Timing and Initiative
black
High Impact

Counterattack Is Launched Too Late in 50% of Games

What this means
The Modern Defense depends on a well-timed counterstrike against White's center, but in 20 of 40 games you wait too long. You develop passively with ...d6, ...Nf6, ...O-O and only then look for ...c5 or ...e5, by which point White is fully consolidated. Your win rate when you strike at the center before move 10 is 62%, versus 35% when you wait until after move 12.
How to improve
Plan your central counterstrike from move 1. After ...g6 and ...Bg7, choose your target: (1) ...c5 to attack d4 — the most common and reliable, especially if White plays Nf3, (2) ...d5 to immediately challenge the center — risky but effective against slow setups, (3) ...e5 to contest the center directly after ...d6. The key is that your fianchetto bishop must have something to bite on — if White's center stands unchallenged, the bishop on g7 is just a tall pawn. Strike early and trust that the Bg7 will support your counterplay.
#counterattack#timing#central-strike

Top Variations

1
Standard (1...g6)
19 games
2
Pterodactyl
11 games
3
Austrian Attack
10 games

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What we analyze in your Modern Defense games

Your counterattack against White's center

Your handling of large space disadvantages

Your response to the 150 Attack

Your piece coordination from the fianchetto

Your ability to avoid passive play

Learn This Opening

Play through the main line move by move

1.pawn to e4 (e4)

White occupies the center classically, staking an immediate claim to central territory and opening lines for piece development. This natural move sets up a central pawn presence that Black will challenge hypermodernly.

Opponent is playing…
1.e4g62.d4Bg73.Nc3d64.f4Nf6

Key Positions to Know

Critical concepts every Modern Defense player should understand

Center Control from the Flank

With 1...g6 and ...Bg7, Black concedes the center to White and plans to undermine it later. The fianchettoed bishop on g7 becomes a powerful long-range weapon, pressuring d4 and the entire dark-square complex from a safe distance.

Flexible Move Order

Unlike the Pirc (which commits to ...Nf6 early), the Modern Defense delays the knight development. This gives Black extra flexibility — the knight can go to e7 instead of f6, and Black avoids specific anti-Pirc systems. The trade-off is that White gets more freedom to build a large center.

The Central Counter-Strike

Once White over-extends in the center, Black strikes back with ...c5 or ...e5 to challenge the pawn chain. The timing must be precise — hit too early and White refutes it; wait too long and White's space advantage becomes crushing. This counter-punch is the heart of the Modern.

Strategic Plans

♔
White's Plans

  • •Bouw een sterk centrum met d4 en e4
  • •Val direct aan met f4-f5 om lijnen op de koningsvleugel te openen
  • •Ruil de loper op g7 om de belangrijkste verdediger van Zwart te elimineren
  • •Handhaaf centrale ruimte en beperk de stukken van Zwart
  • •Gebruik de a4-a5-opmars op de damevleugel voor zwakheden
  • •Use the space advantage to cramp Black's pieces and limit activity
  • •Trade pieces when ahead in space to emphasize Black's cramped position
  • •Launch a kingside attack with g4-g5 or h4-h5 in aggressive variations

♚
Black's Plans

  • •Gebruik de loper op g7 actief langs de lange diagonaal
  • •Sla terug met ...c5 om het witte centrum aan te vallen
  • •Speel ...d5 om de positie volledig te bevrijden wanneer opportuun
  • •Gebruik de opgaande pionnen van Wit als potentiële doelen
  • •Handhaaf flexibiliteit en commit de positie niet voortijdig
  • •In cramped positions, trade pieces to reduce White's space advantage
  • •After ...c5xd4, activate pieces with ...Nc6, ...Qa5+, and pressure on central files
  • •Be patient - wait for the right moment to strike rather than forcing issues
  • •Use tactical shots like ...Nxe4 or ...Ng4 when White overextends

Key Variations

Explore the most important branches and transpositions in the Modern Defense.

Centrumopmarssysteem

Wanneer Wit 1.e4 g6 2.d4 Lg7 3.Pc3 d6 4.f4 speelt, bouwt Wit een massief centrum. Zwart moet onmiddellijk terugslaan met ...c5 of ...e5.

Klassieke Behandeling

2.d4 Lg7 3.Pc3 d6 4.Pf3 leidt tot evenwichtigere posities. Wit ontwikkelt solide en Zwart slaat op het juiste tempo terug.

150 Aanval Variant

Wit kan een directe aanval proberen met Le3, Dd2 en Lh6, waarbij geprobeerd wordt de donkerveldloper van Zwart te ruilen. Deze aanval is populair op clubniveau maar Zwart heeft goede verdedigingen.

Versus Vier Pionnen Aanval

Een van de grootste tests voor Zwart. Na 4.f4 is het centrum van Wit enorm en Zwart moet met grote nauwkeurigheid spelen om tegenspel te creëren.

Gurgenidze System

1.e4 g6 2.d4 Bg7 3.Nc3 c6 4.f4 d5

A hybrid setup combining Modern and Caro-Kann ideas. Black plays ...c6 and ...d5, immediately challenging White's center rather than playing the typical ...d6 Modern setup. After 5.e5 h5!? (Gurgenidze's innovation), Black prepares ...Nh6-f5 and counterplay on the kingside. This sharp system creates unique positions unfamiliar to most opponents. The Gurgenidze is less popular than classical Modern lines but offers interesting strategic imbalances and tactical opportunities.

Modern Defense vs 1.d4

1.d4 g6 2.c4 Bg7 3.Nc3 d6

The Modern works against 1.d4 too! Black uses the same hypermodern principles: fianchetto, flexible setup, and counterattacking chess. After 4.e4, the game transposes to 1.e4 structures, but White can also play more positionally with 4.Nf3 and 5.Bg5 or 5.e4. The Modern against 1.d4 gives Black a solid, flexible system that avoids main-line theory in Queen's Gambit or Indian Defenses. This makes the Modern an excellent universal defense for players who want to play the same opening against both 1.e4 and 1.d4.

Opening Statistics

Original research from 9,664 real amateur games — data you won't find anywhere else.

Avg. Game Length
—awaiting data
Underdog Wins
—awaiting data
Quick Finishes
—awaiting data
Endgame Reach
—awaiting data
White's Edge
+2.9%
Favors BlackEqualFavors White

At 1200-1400

📊White's edge is +2.9% — a slight advantage for White.

How This Opening Changes as You Improve

RatingGamesWhite's Edge
800-10001,257
-7.5%44 /0 /52
1000-12001,637
+0.6%49 /0 /49
1200-14002,058
+2.9%50 /0 /47
1400-16002,236
+1.6%50 /0 /48
1600-18002,476
+1.6%49 /0 /47

Based on 9,664 games · Updated March 2026

Why Play the Modern Defense?

Hypermodern en Flexibel

De Moderne Verdediging is een van de meest flexibele openingen voor Zwart. Door ...g6 op de eerste zet te spelen houdt Zwart alle opties open — het kan transponeren naar de Pirć, de Konings-Indiër of de pure Moderne afhankelijk van wat Wit speelt.

Vermijdt Hoofdtheorie

Door ...e5 en ...d5 in de eerste zetten te vermijden, wijkt Zwart af van alle hoofdtheorie. Tegenstanders die zijn voorbereid op de Spaanse, het Italiaans of het Damegambiet zitten zonder hun voorbereide repertoire.

Krachtige Tegenaanval

Nadat Wit zijn pionnencentrum heeft gebouwd, valt Zwart het aan met ...d6, ...Lg7, ...c5 en ...d5. De enorme loper op g7 kan verwoestend zijn als het centrum opengaat.

Gespeeld door Kamsky en Anderen

Verschillende moderne grootmeesters gebruiken de Moderne af en toe om tegenstanders te verrassen. De opening heeft voldoende respektabiliteit voor serieuze partijen.

Common Traps

Watch out for these dangerous tactical pitfalls

Loper op g7 Val

In bepaalde Moderne Verdediging posities, als Wit automatisch captures op d6 of e5 zonder goed te berekenen, kan Zwart benutten met de loper op g7 en verwoestende dubbele dreigingen creëren.

Three Pawns Trap

1.e4 g6 2.d4 Bg7 3.f4 d6 4.Nf3 Nf6 5.Bd3 O-O 6.O-O Bg4?? 7.e5

Black's normal-looking 6...Bg4 pinning the knight walks into a powerful pawn storm. After 7.e5 dxe5 8.fxe5 Nd5 9.e6!, White breaks through decisively. If 9...f6 10.Ng5, White threatens Qxg4 and has a winning attack. Black should play 6...Na6 or 6...Nc6 developing before committing the light-squared bishop. This shows the danger of routine development when White has a strong center.

Premature ...c5

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Be3 Nf6 5.Qd2 O-O 6.O-O-O c5?? 7.d5

Black's thematic 6...c5 looks like normal Modern Defense strategy but is premature. After 7.d5, White closes the center with a huge space advantage, and Black's position is cramped. If Black continues with ...e6, then dxe6 fxe6 leaves Black with weak pawns and no counterplay. Black should prepare ...c5 with ...Nbd7 or ...a6 first, ensuring better timing. This trap catches players who know ...c5 is the key break but don't time it properly.

Early Re1 Trap

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Bc4 Nd7? 5.Bxf7+ Kxf7 6.Ng5+ Kf6 7.Qf3#

Beginner Tips

💡

De loper op g7 is uw wapen — gebruik hem actief

💡

Leer de transposities naar de Pirć en Konings-Indiër

💡

De tegenaanval met ...c5 is cruciaal — weet wanneer te spelen

💡

Wees niet passief — Zwart moet altijd actief tegenspel hebben

💡

Bestudeer de typische pionstructuren voor plannen van beide partijen

💡

The fianchettoed Bg7 is your best piece - avoid trading it unless you get significant compensation

💡

Be flexible with knight development: ...Nbd7 or ...Na6 depending on White's setup

💡

Against aggressive setups, castle early to keep your king safe before launching counterplay

💡

Learn the 150 Attack (...a6, ...b5 setup) as an alternative when White plays aggressively

💡

Practice transitioning from the opening to middlegame - understanding typical plans matters more than memorizing moves

Common Modern Defense patterns we detect

We automatically check if you fall for these specific traps.

About the Modern Defense

The Modern Defense (1.e4 g6) is a hypermodern defense allowing White a large center, then counterattacking it. More flexible but less direct than the Pirc.

We analyze your counterattacking effectiveness, handling of cramped positions, and timing of central challenges. We identify where flexibility becomes passivity.

openings.page.sections.keyThemes

HypermodernismeFianchetto opstellingCentrale tegenaanvalPositionele flexibiliteitBuiten de theorie

openings.page.sections.notablePlayers

RobatschGurgenidzeAverbakhKotov

Frequently Asked Questions

Common questions about Modern Defense analysis

The Modern Defense (1.e4 g6) is a hypermodern defense allowing White a large center, then counterattacking it. More flexible but less direct than the Pirc.
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We analyze your counterattacking effectiveness, handling of cramped positions, and timing of central challenges. We identify where flexibility becomes passivity.
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Use Kingsights to identify your specific weaknesses in the Modern Defense. Our analysis shows your win rate, recurring mistakes, and provides actionable tips. Focus on the patterns where you lose most often and practice those specific positions.

Famous Games

SpasskyvsGurgenidze
Soviet Championship 19590-1

One of the first high-level victories with the Modern Defense. Gurgenidze, a key Modern Defense pioneer, defeated former World Champion Spassky convincingly, showcasing the opening's strategic richness. Black's hypermodern setup proved its worth against top-level opposition, and Gurgenidze's thematic play - fianchetto, patient maneuvering, and well-timed central strike - became a model for Modern Defense practitioners.

KarpovvsVan Wely
Monte Carlo Rapid 19980-1

World Champion Karpov faced the Modern Defense and fell victim to Black's dynamic counterplay. Van Wely's successful use of Modern Defense ideas against one of history's greatest positional players proved the opening's soundness at the highest level. This game showed that even the most precise and careful players can struggle against the Modern's unique strategic challenges.

MamedyarovvsGrischuk
World Blitz Championship 20120-1

In a modern high-level game, Grischuk employed the Modern Defense to great effect against super-GM Mamedyarov. The game featured typical Modern Defense themes: Black allowed White a strong center, then struck with ...c5 and dynamic piece play. Grischuk's tactical blow in the middlegame showed that the Modern can produce sharp tactics alongside its strategic complexity.

FischervsRobatsch
Varna Olympiad 19621-0

While Fischer won this game, Robatsch (a Modern Defense pioneer and one of the opening's early practitioners) showed that the system could compete at the highest level. The game featured instructive strategic themes about the Modern Defense, and despite the loss, Robatsch's approach influenced Modern Defense theory significantly. Fischer's victory demonstrates the challenges Black faces but also the rich strategic content of the opening.

Learning Resources

book

The Modern Defense by GM Tiger Hillarp Persson

video

Modern Defense Complete Guide - Chess.com

course

Understanding the Modern Defense

video

The Flexible Modern Defense - IM Andrew Martin

book

Modern Defense: Hypermodern Chess

video

Modern Defense Masterclass - ChessBase

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