This is the 5th page and the first one to show some of the improvements on this opening when it was played in the 80's. In response to the variations on p04, red played R9=6 instead of R9=4 as an improvement and this opened up a whole new chapter in the opening. The following pages all show this move and it is now generally accepted as THE correct move to play.
A point to repeat: ECCO assigns this opening as C04 or rather the central cannon with 7th file horse vs Screen horse defense. It can be misleading. It is still preferable to be called the Double Cross River Cannons Variation of the Screen horse defense.
Two boards have been given for you to compare the variations. Enjoy.
First created : 23st May 2012
Last modified: 23st May 2012
Acknowledgements: None yet
1. An internet file which I found.
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