After three days the Bulgarians moved on. Ivankeui and Yanina were won, and the pursuit continued until Lule Burgas, where the Turkish army in the field was decisively defeated and driven with great slaughter towards Chorlu, where its second stand was expected. That expectation was not realised. The flight continued to Chatalja. This was the turning-point of the campaign. Up to now the Bulgarian success had been complete. If now Adrianople had been made the main objective, with a small "holding" force left at Chorlu, the entry into Constantinople would possibly have been realised. But the decision was made to "mask" Adrianople and to push on with all available force towards Constantinople.
In considering this decision it is easy to be misled by giving Adrianople merely the value of a fortress in the rear, holding a garrison capable of some offensive, necessitating the detachment of a large holding force. But that was not the position. Actually Adrianople straddled the only practical line of communication for effective operations against the enemy's capital. The railway from Bulgaria to Constantinople passed through Adrianople. Excepting that line of railway, there was no other railroad, and there was no other carriage road, one might say, for the Turk did not build roads. Once across the Turkish frontier there were tracks, not roads.
GENERAL DEMETRIEFF, THE CONQUEROR AT LULE BURGAS
The effect of leaving Adrianople in the hands of the enemy was that supplies for the army in the field coming from Bulgaria could travel by one of two routes. They could come through Yamboli to Kirk Kilisse, or they could come through Novi Zagora to Mustapha Pasha by railway, and then to Kirk Kilisse around Adrianople. From Kirk Kilisse to the rail-head at Seleniki, close to Chatalja, they could come not by railway, but by a tramway, a very limited railway. If Adrianople had fallen, the railway would have been open. The Bulgarian railway services had, I think, something over 100 powerful locomotives at the outset of the war, and whilst it was a single line in places, it was an effective line right down to as near Constantinople as they could get.
But, Adrianople being in the hands of the enemy, supplies coming from Yamboli had to travel to Kirk Kilisse by track, mostly by bullock wagon, and that journey took five, six, or seven days. The British Army Medical Detachment, travelling over that road, took seven days. If one took the other road you got to Mustapha Pasha comfortably by railway. And then it was necessary to use bullock or horse transport from Mustapha Pasha to Kirk Kilisse. That journey I took twice; once with an ox wagon, and afterwards with a set of fast horses, and the least period for that journey was five days. From Kirk Kilisse there was a line of light railway joining the main line. But on that line the Bulgarians had only six engines, and, I think, thirty-two carriages; so that, for practical purposes, the railway was of very little use indeed past Mustapha Pasha. Whilst Adrianople was in the hands of the enemy, the Bulgarians had practically no line of communication.
My reason for believing that it was not the original plan of the generals to leave Adrianople "masked" is, that in the first instance I have a high opinion of the generals, and I do not think they could have designed that; but think rather it was forced upon them by the politicians saying, "We must hurry through, we must attempt something, no matter how desperate it is, something decisive." In the second instance, after Adrianople had been attacked in a very half-hearted way, and after the main Bulgarian army had pushed on to the lines of Chatalja, the Bulgarians called in the aid of a Serbian division to help them against Adrianople. I am sure they would not have done that if it had not been their wish to subdue Adrianople. To be forced to invoke Serbian aid was a serious wound to their vanity.
The position of the Bulgarian army on the lines of Chatalja, with Adrianople in the hands of the enemy, was this: that it took practically their whole transport facilities to keep the army supplied with food, and there was no possibility of keeping the army properly supplied with ammunition. So if the Bulgarian generals had really designed to carry the lines of Chatalja without first attacking Adrianople, they miscalculated seriously. But I do not think they did; I think it was a plan forced upon them by political authority, feeling that the war must be pushed to a conclusion somehow. Why the Bulgarians did not take Adrianople quickly in the first place is to be explained simply by the fact that they could not. But if their train of sappers had been of the same kind of stuff as their field artillery, they could have taken Adrianople in the first week of the war. The Bulgarians, however, had no effective siege train. A Press photographer at Mustapha Pasha was very much annoyed because photographs he had taken of guns passing through the town were not allowed to be sent through to his paper. He sent a humorous message to his editor, that he could not send photographs of guns, "it being a military secret that the Bulgarians had any guns." But the reason the Bulgarians did not want photographs taken was that these guns were practically useless for the purpose for which they were intended.
In short, whilst Adrianople stood it was impossible to keep 250,000 men in the field at Chatalja with the guns and ammunition necessary for their work. Therefore the taking of Adrianople should have followed the Battle of Lule Burgas.