BrainKing - 讨论板 (Chess variants (10x8))

Chess variants (10x8)

Sam has closed his piano and gone to bed ... now we can talk about the real stuff of life ... love, liberty and games such as
Janus, Capablanca Random, Embassy Chess & the odd mention of other 10x8 variants is welcome too

For posting:
- invitations to games (you can also use the New Game menu or for particular games: Janus; Capablanca Random; or Embassy)
- information about upcoming tournaments
- disussion of games (please limit this to completed games or discussion on how a game has arrived at a certain position
... speculation on who has an advantage or the benefits of potential moves is not permitted while that particular game is in progress)
- links to interesting related sites (non-promotional)

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5. 三月 2004, 06:15:51

Grim Reaper

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题目: Deciphering the database stats...

Lets take the queen vs. archbishop ending:

kqka 31 66.7 32.4 9.2 24 30.5 59.3 16.5 29

white has the queen
black has the archbishop

Max_W = maximum number of moves to win.
This is 31 moves for white.

% win = what percent of all of the white to move positions win? In this case, 66.7%

% draw = 32.4%

Ave_W = the average length of the wins for white to move. With 9.2, most are easy wins. With white having more power and the turn to move, this can be a little misleading.

The other states are for black to move. The longest win is 24 moves for the Archbishop side. This does not mean the Arch is stronger since it wins more quickly. It just means if you don't win within 24 moves, you aren't going to win.

Only 30.5% of the positions win with the Arch to move, and 59.3% are draws. The average win legnth is 16.5 moves when the Arch can move and win.

The last stat, Mzugs, is the count of mutual zugzwang positions.