Cavalry and chariots against infantry

[Domen]

The charge of the hussars at Liubar was made against the Russian cavalry (according to the same text you have used), a "modernized" Russian force deployed in two units of horsemen armed with carabines (certainly among other weapons), but of -in the text- undescribed armament and density of order.

The article that I linked mention also a charge against a regiment of Cossack infantry deployed behind cavalry and part of which was protected by a wagon fort (tabor) - check pages 7 - 8.

According to the description, some of the Cossack infantry was confused by routing Russian cavalry, but others stood firm and in well-prepared defensive formation inside the wagon fort (tabor) - despite this, both groups of infantry were defeated by charging hussars, although the group which stood firm caused much more problems. Excerpt from pages 7 - 8:

http://www.radoslawsikora.republika.pl/m...Liubar.pdf

(...)

- The Lances of Wilczkowski's hussars came in contact and penetrated into
the Russian cavalry.

- Having shattered their lances the Wilczkowski's hussars then used their
'pallashes'

- In support of the already fighting Wilczkowski's hussars, Wyżycki's
hussars, also wielding lances, charged the Russians.

- 'Moskovites [...] fled and put the regiment of [Cossack] foot behind them in confusion'

- 'The husars followed closs to their [Russian - Cossack] leaguer [tabor], troading
downe and killing many of the foot souldiers, and takeing 3 collours.'

However, this was no easy engagement or an easy fight. Jerzy S. Lubomirski
added that Cossacks were firing at the Polish cavalrymen, killing and wounding
many hussars. The Cossacks cleverly tried to avoid Polish lances by falling flat
on the ground. In the melee, the Cossacks squeezed-in, crowding under the
hussars’ horses and overturned some of them. All in all, despite this chaotic
distraction, the husaria ultimately managed to reach the last wagons in the
tabor, inflicting serious damage to the Russian-Cossack forces.

- Then: 'Being come neer the arrier guards and fired upon, they [hussars] in wheeling of beat through a body of the cosakes foot, and so confounded [them] that about 7 or 8 hundred [Cossacks] being separated from the rest, gott into a wood and fyred upon us [Patrick Gordon's dragoons] going by. Which, being in a manner inclosed, made me make a stand, but more dragownes comeing up, wee got orders to dismount and attact these cosakes, whom after halfe ane houres dispute wee overcame and gave no quarters.'

- According to accounts of an anonymous officer in Stanisław Rewera
Potocki's Division, the husaria accounted for the killing of several hundred
enemy soldiers in this action.

(...)

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Btw, what is written about the hussars changing formation during the attack, that is approach at open order and charge at close order, the evolution being performed during the advance, was standard tactics in the Byzantine army, so I do not understand why it is described as something that peculiar.

Hmmmm, so now I don't understand it too. Thanks for this interesting information.

Perhaps the reason is that some military historians specializing for example in Early Modern Era sometimes simply don't know about some facts researched / discovered / established by historians specializing for example in Ancient / Medieval Era, and vice versa.