A tougher chess-oriented crossword

Time to raise the bar a bit...

Answers so far: Across: 1.Turk, 3.Countergambit,6.Flag, 8.Caissa,9.Fortress,10.Annotation Down: 2.Rybka, 4.Rubinstein, 5.Spielmann, 7.Greco

5 down might be Fedorov

too fast! slow down a bit =D

2 down could be engine.

aaw i was looking at the elephantgambit for 3, but noooo one letter too long =(

Good guess, but too many letters.

I was thinking 2 down might be Fritz or Rybka.

Wasabi_Kid on the right track!

Oops, I forgot to look at the number of letters for the answer.

5 down is Spielmann!

6 could be "hand"?

10 across is annotation!

10 is commentary. lol just joking

Is 8 across Polgar?

Mattattack99 way ahead...

 No....

across:
1.Turk (I remember this from the terminator: serah connor chronicles series)
3.countergambit(wassabi_kid)
6.flag
8.cassia (Lord-Chaos)
9.fortress
10.annotation(mattattack)

down:
2.rybka
4.rubinstein (mattattack)
5.Spielmann(mattattack)
7.greco

8. is Caissa

1 Accross is Turk

8 accross is Caissa

2 down is Rybka

Boring304, Lord-Chaos, Rooperi : well done!

10 accross is kibbitzing