General Election 2019

$ ./ld.pl Green | grep taken.by.Con
Blyth Valley taken by Con (17440) with majorty of 712 and Green took 1146 votes, next party was Lab with 16728 votes
Bolton North East taken by Con (19759) with majorty of 378 and Green took 689 votes, next party was Lab with 19381 votes
Bury North taken by Con (21660) with majorty of 105 and Green took 802 votes, next party was Lab with 21555 votes
Bury South taken by Con (22034) with majorty of 402 and Green took 848 votes, next party was Lab with 21632 votes
Carshalton & Wallington taken by Con (20822) with majorty of 629 and Green took 759 votes, next party was Lib Dem with 20193 votes
Chipping Barnet taken by Con (25745) with majorty of 1212 and Green took 1288 votes, next party was Lab with 24533 votes
Durham North West taken by Con (19990) with majorty of 1144 and Green took 1173 votes, next party was Lab with 18846 votes
Gedling taken by Con (22718) with majorty of 679 and Green took 1097 votes, next party was Lab with 22039 votes
Heywood & Middleton taken by Con (20453) with majorty of 663 and Green took 1220 votes, next party was Lab with 19790 votes
High Peak taken by Con (24844) with majorty of 590 and Green took 1148 votes, next party was Lab with 24254 votes
Kensington taken by Con (16768) with majorty of 150 and Green took 535 votes, next party was Lab with 16618 votes
Stoke-on-Trent Central taken by Con (14557) with majorty of 670 and Green took 819 votes, next party was Lab with 13887 votes
Stroud taken by Con (31582) with majorty of 3840 and Green took 4954 votes, next party was Lab with 27742 votes

So that's 13 seats that the Green votes could have gone to someone else to stop the Tories.

Again it's a huge what if.

(There's also lots of double counting as 12 of those 13 could also have been won with the Lib Dem votes, the only one that is specifically Green was Stroud)