Chess960 Phase Zero
'Gene Milener's groundbreaking book "Play Stronger Chess by Examining Chess960"' (2006)
- 2018-11-24: Milener's Month 'Milener's epilogue' in his more recent book (2018)
My focus on the two books at the same time was rewarded by an insight that had eluded me for years. In 'Play Stronger Chess', Milener wrote (p.130):-
Due to the particulars of the chess1 setup and to the fact it never varies, we do not think of knights as having a light v. dark shade aspect anything like bishops have. But again, it is healthy to consider the possibility that our chess experiences have been harmfully limited by our exclusive adherence to chess1.
For analyzing chess960 setups it is useful to gently apply the idea that each knight is either a light or dark knight, though only for the first portion of the game. These square shadings are central to a setup feature we can call "knight opposition". Some chess960 setups have knight opposition, strongly or weakly, while others have no knight opposition.
My reaction to this was, 'So what?' What difference does it make whether the Knights start on the same color square? The explanation on the following three pages did nothing to alleviate my lack of understanding. In the second book, in 'Milener's epilogue', the author wrote (p.373):-
A non-traditional start setup would offer welcome relief from: [...] The maximization of Knight opposition created by the one traditional setup. Knight opposition is seen in common cases such as when Nb8-c6 follows Ngl-f3, leaving both Knights in a tilt shape with each other. The two Knights oppose each other's pressures on the same center squares of d4,e5. Setups where the two White Knights start on squares of the same shade provide welcome variety from the traditional setup.
That was my 'Aha!' moment. The start positions of the Knights determine how they will engage each other in the opening moves of the game. In the traditional start position, the Knights enter the game during the earliest moves and then proceed to spar for control of the center squares. The same sequence happens in nearly every traditional opening (like the Ruy Lopez and the Queen's Gambit) : first the Pawns enter the play, then the Knights, then the other pieces. The Knights enter the battle with regard to the position of the Pawns, and the other pieces follow their lead.
Several years ago, the 'Chess960 Jungle' blog made a similar observation in a post Chess960: Naming the Knight Pairs (May 2011; 'Military Knights', 'Chivalry Knights', etc.), then went on to discuss the different combinations in subsequent posts. Since I failed to grasp the importance of the concept than, it would be worth my while to review all of those relevant posts.
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