A fierce military confrontation between the Israelites and the Philistines ends in a painful defeat, leaving thousands dead on the battlefield. The battle begins with the Philistines carefully organizing their forces and preparing their soldiers for combat [מצודת ציון]. The two armies clash in a designated middle ground set between their camps specifically for the engagement [מלבי״ם, מצודת ציון]. As the fighting unfolds, the primary approach among commentators is that the conflict spreads widely, with soldiers scattering across the open field [רש״י, רד״ק, רלב״ג, מצודת דוד, מצודת ציון].
However, the exact turning point of the battle is understood in different ways. Some suggest that the Israelites abandoned the fight and fled, and this panicked retreat is exactly what caused their massive casualties, since fleeing often triggers a downfall [אברבנאל]. Another perspective offers a surprising contrast, suggesting that the Philistines actually gave up and stopped fighting, yet the Israelites were still struck down. According to this view, the devastating loss was a direct result of the Israelites' many sins. They might have even turned their weapons on one another, proving that it is ultimately sin that brings death, rather than the sword of the enemy [אלשיך].
In the end, the Israelites suffer a harsh blow and are decisively beaten [מצודת ציון, ביאור שטיינזלץ]. Nearly four thousand men fall, but the army is not completely destroyed. Instead of scattering and fleeing all the way to their individual homes, the surviving soldiers manage to retreat to their own camp [מלבי״ם, ביאור שטיינזלץ]. Because the army is only partially defeated rather than entirely wiped out, the elders of the people make a critical mistake. They assume the loss is not a direct punishment from God for their sins, but merely a temporary lapse in His protection. This misunderstanding leads them to a misguided plan: they decide to bring the Ark of the Covenant to the battlefield, wrongly believing that the physical object itself will save them [אברבנאל].