# Extremely Difficult Ending Study

Yancey_Ward

1B6/8/n1KPP1p1/4k1p1/6Q1/3p4/8/1q6 w - - 0 1

Yancey_Ward

1B6/8/n1KPP1p1/4k1p1/6Q1/3p4/8/1q6 w - - 0 1

Comments (3)

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No. 1-3

Editor

The main line is 1. Bc7 Qc2! That is where the true beauty here lies- there are some amazing mutual zugzwang positions that arise.

V-1

1.Bc7 Nb8+

2.Bxb8 Qxb8

3.Qxg5+ Kxe6

4.Qxg6+ Ke5

5.Qg5+ Kd4

6.d7 Qa8+

7.Kd6 Qb8+

8.Ke7 Qc7

9.Ke8 Qb8+

10.d8=Q+ Qxd8+

11.Kxd8 Kc3

12.Qc1+ Kd4

13.Qd1

It's a win for white.

V-2

1.Bc7 Qc1+

2.Kb5 Nxc7+

3.dxc7 d2

4.e7 Qb2+

5.Qb4 Qxb4+

6.Kxb4 d1=Q

7.e8=Q+ Kf4

8.Qf7+ Kg3

9.c8=Q Qb1+

10.Qb3+ Qxb3+

11.Qxb3

It's a win for white.

V-3

1.Bc7 Qc1+

2.Kb5 Kd5

3.Qg2+ Kxe6

4.Qe4+ Kf7

5.Qd5+ Kg7

6.Ba5 d2

7.Qd4+ Kf7

8.Bxd2 Qf1+

9.Kb6 Nb8

10.Qd5+ Kf8

11.Qa8 Qf2+

12.Kb7 Qxd2

13.Qxb8+ Kg7

14.Qc7+ Kh6

15.d7 Qd5+

16.Qc6 Qd4

17.Kc8 Qg4

18.Qh1+ Kg7

19.Qd5 Kh8

20.Kb7 Qb4+

21.Kc6 Qc3+

22.Qc5 Qf6+

23.Qd6 Qc3+

24.Kd5 Qb3+

25.Ke5 Qe3+

26.Kf6 Qf3+

27.Ke7 Kg7

28.Qd4+ Kh7

29.d8=Q

It's a win for white.

But I'm not sure that there is no variation leading to a draw.

Editor

I have yet to fully convince myself this study is sound, but it is endlessly fascinating to me, and I want to know what the other readers think of it. I will later show my analysis once they have.