Probably the most difficult of my crosswords so far...
Answers so far:
Across: 1.Miles, 3.Barleycorn, 5.Bird, 7.Regence, 10.Taimanov, 11.Sliwa
Down: 1.Mecking, 2.Bogart, 4.Lilienthal, 6.FEN, 8.Sicilian, 9.Norms
1 A Mles
4 A Bird
7 A Regence
8 D Sicilian
9 D Norms
Wow, I'm impressed! Miles is just a fingerslip I gather...
Yeah, Miles : )
Immortal losing game winner? That's a little cryptic, lol
6 down is fen?
1 down is Mecking.
11 Is Silwa, 4 is perhaps Korchnoi?
11 is Sliwa, 4 is not Korchnoi.
4 down is Lilienthal.
Lilienthal is correct.
10 across is Taimanov.
gah another one?! lol.
Thanks to everyone who helped solve!