to his plan. The Tatars met Potocki's forces on 1 September, and they in turn met with Lubomirski on 7 September, while Khmelnytsky was still far from Sheremetev's army. The combined Polish army (not counting 12,000 Tatars and 1,500 Cossacks under Vyhovsky) numbered about 27,000 (including about 700 Winged Hussars, 8,000 pancerni, 3500 light cavalry, 1,500 raitars, 5,000 dragoons, and 10,000 infantry). Sheremetev troops (not counting about 15,000 Cossacks under Tsetsura) numbered 18,000 (including 4500 Russian traditional cavalry, 5,500 raitars, 3,500 dragoons, 3,000 foreign infantry and 1,000 streltsy). Battle The Russian army was surprised near Lyubar on 14 September and Sheremetev's vanguard was wiped out. Sheremetev, who had up until then failed to send out a single scouting party, suddenly realized what was to be an easy victory was a death trap and decided to take a defensive position in a fortified camp. The numerical superiority of the Polish forces, a lack of supplies and several minor defeats convinced him to break away on 26 September. At first the plan succeeded but the Polish forces caught up with the Russian army during its crossing of the Iber river and subsequently captured or destroyed a significant portion of the remaining Russian artillery and supplies. Aftermath The Polish forces caught up again with the Russians on 27 September near Chudniv (Cudnów. At that point, the Russian and Cossack armies had lost about 1,000 troops and the Poles, about 100 (not counting the wounded). Sheremetev received a minor reinforcement by attaching Chudniv's garrison (about 1,000 troops) to his main army. However, with no further reinforcements, Sheremetev suffered a major defeat at the ensuing Battle of Chudniv. Notes References Łukasz Ossoliński, "Kampania na Ukrainie 1660 roku"; doctoral thesis (University of Warsaw), 1995, available here Lyubar 1660 in Europe Lubar