HistoryData
war1790

Battle Russia-Swedish War 1788-1790 years

January 1, 1790

Swedish forces under Armfelt defeated a larger Russian force at Pardakoski and Kärnakoski in April 1790, demonstrating the advantage of fortified positions over poorly coordinated attacks.

Quick Facts

Year
1790
Category
war

Key Facts

Date of main battle
April 30, 1790
Swedish force size
approximately 1,400 men
Russian force size
4,000 to 5,000 men
Swedish casualties
222 killed/wounded, 17 captured
Russian casualties
194 killed, 285 wounded, 91 captured
Outcome
Swedish victory

By the Numbers

301,790
Date of main battle
1,400
Swedish force size
4,000
Russian force size
222
Swedish casualties

Location

Kärnäkoski, Finland

Cause → Event → Consequence

Cause

During Gustav III's Russian War, Swedish forces advancing from Savolax launched a surprise assault on Russian positions in late March 1790. The Russian garrison at Pardakoski, consisting of a single understrength battalion of jaegers, was caught off guard, losing its cannons and retreating to Savitaipale.

Event

The Swedes fortified the heights at Pardakoski and a forward position at the Kärnakoski bridge. On April 30, Russian forces under Prince Anhalt-Bernburg attempted to dislodge them in a coordinated assault, but poor maps, rugged terrain, and lack of communication caused the attacking columns to arrive late and attack piecemeal rather than simultaneously.

Consequence

The disjointed Russian assault allowed the Swedes to defeat each column in turn, resulting in heavier Russian than Swedish casualties despite Russia's numerical superiority. The engagement highlighted the critical importance of coordination and terrain knowledge in winter warfare and reinforced Swedish control of the area during the wider conflict.

Belligerents & Mobilization Analysis

Side A

1 belligerent

Sweden
Peak Mobilized Forces~1K
Estimated Casualties239
Casualty Rate17.1%
Forces vs Casualties ratio
0CasualtiesMobilized
Key Commanders

Count Gustaf Mauritz Armfelt.

Side B

1 belligerent

Russian Empire
Peak Mobilized Forces~5K
Estimated Casualties570
Casualty Rate12.7%
Forces vs Casualties ratio
0CasualtiesMobilized
Key Commanders

Lieutenant-General Baron Iosif Igelström, Lieutenant-General Prince Anhalt-Bernburg, Supreme Commander Ivan Saltykov.

Total Casualties (all sides)
809
Outcome
Swedish victory

Timeline Context

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