411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...b5/4. Bxb5/4...c5/5. dxc5
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
O'Sullivan Gambit rd nd bd qd kd bd rd pd pd pd pd pd pd bl pl nd pl pl pl pl pl pl pl rl nl bl ql kl nl rl
Alekhine Defense: O'Sullivan Gambit
A mistake by White. 5...Qa5+ is now a very strong move, threatening the White bishop with check.
Theory table
.
'1.e4 Nf6 2.e5 Nd5 3.d4 b5 4.Bxb5 c5 5.dxc5'
3
...
d6
=
'1.e4 Nf6 2.e5 Nd5 3.d4'
3
...
e6
=
References
Alekhine's Defence