2015年莫斯科锦标赛

　　莫斯科锦标赛于2015年10月25日-12月20日举行。

　　时限90分钟+30秒，循环制7轮，索索夫-8(扩充)规则：

　　- 第一位棋手摆26种开局之一。
　　- 另一位棋手有权交换。
　　- 执白棋手在棋盘任意位置放第4子，并要求5子打点数n(n≤8)。

　　选择1：(4手之后通常为索索夫-8规则)
　　- 另一位选手可以交换。
　　- 执黑棋手在棋上按之前的要求放n个第5子，不能有对称。
　　- 执白棋手从这些第5子选择留下1个，放第6子。
　　开局阶段结束，比赛按连珠规则继续。

　　选择2：(4手之后扩充)
　　- 另一位棋手要求扩充。
　　- 题5子打点数量的棋手再放一个5子打点。
　　- 另一位棋手可以交换。
　　- 执白棋手在棋盘任意位置放第6子。
　　开局阶段结束，比赛按连珠规则继续。

编号	姓名	地区	R1	R2	R3	R4	R5	R6	R7	积分		名次
1	Magdeev Igor		8 0	2 1	3 0	4 0	5 0	6 1	7 0	2		7
2	Sinitsyn Vladimir		7 0	1 0	8 0	3 0	4 0	5 0	6 0	0		8
3	Makarov Pavel		6 1	7 0	1 1	2 1	8 ½	4 0	5 0	3.5		5
4	Tarannikov Yuriy		5 1	6 ½	7 1	1 1	2 1	3 1	8 1	6.5		1
5	Danilin Ivan		4 0	8 0	6 1	7 0	1 1	2 1	3 1	4	8.0	4
6	Sirategyan Karen		3 0	4 ½	5 0	8 0	7 1	1 0	2 1	2.5		6
7	Golosov Viktor		2 1	3 1	4 0	5 1	6 0	8 0	1 1	4	9.5	3
8	Nikonov Konstantin		1 1	5 1	2 1	6 1	3 ½	7 1	4 0	5.5		2

The tournament was held with the overwhelming advantage of the Number One:
+19 (68%) =2 (7%) -7 (25%)
Thus, the Number Ones have collected 20 (71.4%) points in 28 games. This is despite on the fact that four participants who played one game more as the Number One have collected totally at 2 points less than 50%.

In all 7 games that were won by the Number Two, the player Number Two eventually exceeded his opponent by at least 3 points. In both games ended as a draw, the player Number Two eventually exceeded his opponent by at least 2 points. Thus, the player Number Two had a chance to avoid a loss only when by the sum of points in all other games he was ahead of his opponent in at least 2 points (and even this chance was not used in one game).

Players who put the 4th move have a slight advantage: + 14 = 2 = 12 (53.6% points). Equal statistics in this component can be explained by the fact that here it were mixed cases when the 4th move was prepared, and when it was "random".

Players asked for an indulgence in 9 (32%) games. In these games the advantage of their opponents have roughly the same percentage: + 4=2-3 (55.6% points) but both draws in the tournament took place as a result of an indulgence.

Sirategyan was the player who used an indulgence mostly often - 6 times, each of the other players did not use this option more than once.

资料取自RenjuNet

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