Taking into consideration that the ThinkPad e460 is a used laptop for 3,000 PLN, you can get something that is brand new and more powerful. Having said that, ThinkPads are pretty much designed as a semi-rugged laptop that take a beating since they are certified to operate in harsh conditions for the US military; referred to as "MIL-SPEC". There have been demonstrations of fully cups of water poured on top of a ThinkPad's keyboard with no affect on the laptop itself since it has built in drain holes. These laptops have also been drop from about 3 to 4 feet onto a hard floor and 9 feet onto what seems to be a thickly carpeted floor and still continue to operate. Doing that with a typical laptop generally means you need to pay to get the laptop repaired or simply buy a new laptop.
For 3,100 PLH, I recommend you consider the MSI GV62 which has a 7th generation quad core i5-7300HQ (2.5GHz base, up to 3.5GHz with one core), nVidia mx150, 1080p screen and 1TB hard drive.
http://allegro.pl/msi-gv62-i5-7300hq-8gb-1tb-mx150-fhd-ips-zestaw-i6945263438.html
The nVidia mx150 is basically in between a nVidia GTX 950m and GTX 960m. The ThinkPad's R7 M360 is a budget GPU that is about equal to a nVidia 920m. A little better than integrated graphics, but far worse than the mx150. The ThinkPad only a has a dual core i5-6200u CPU; good enough for games that only uses at most 2 cores. Basically, this means the MSI laptop is far better than the ThinkPad (a business laptop) when it comes to games.
The ThinkPad does have a SSD compared to the hard drive in the MSI laptop. That makes the laptop boot up faster and feel more responsive. However, while it is possible to play a very demanding game like the Witcher 3 on the MSI laptop at 1366x768 and medium settings... you can forget about even attempting to play that game with the ThinkPad at 1024x768 resolution on low settings.