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Problem Display

PID: 675 (8/p2N4/Pp4n1/2pN2p1/4R1P1/3k1P2/1Pp3p1/2K3B1 w - - 0 1)

Warton, Edwin

British Chess Magazine, 1929

8/p2N4/Pp4n1/2pN2p1/4R1P1/3k1P2/1Pp3p1/2K3B1

#2

9 + 8

SOLUTION

SOUND
Sets
- 1...Sf4
  - 2.Se5#
- 1...Sh4
  - 2.Se5#
- 1...Se5
  - 2.Sxe5#
- 1...Se7
  - 2.Se5#
- 1...Sf8
  - 2.Se5#
- 1...Sh8
  - 2.Se5#
- 1...c4
  - 2.Sb4#
- 1...b5
  - 2.Sxc5#
Tries
- 1.Sf4+?
  - 1...Sxf4
    - 2.Se5#
  - 1...gxf4!
- 1.S5xb6?
  - threat
    - 2.Sxc5#
  - 1...c4
    - 2.Sc5#
  - 1...axb6!
- 1.S5f6?
  - 1...Sf4
    - 2.Se5#
  - 1...Sh4
    - 2.Se5#
  - 1...Se5
    - 2.Sxe5#
  - 1...Se7
    - 2.Se5#
  - 1...Sf8
    - 2.Se5#
  - 1...Sh8
    - 2.Se5#
  - 1...b5
    - 2.Sxc5#
  - 1...c4!
- 1.Sc7?
  - 1...Sf4
    - 2.Se5#
  - 1...Sh4
    - 2.Se5#
  - 1...Se5
    - 2.Sxe5#
  - 1...Se7
    - 2.Se5#
  - 1...Sf8
    - 2.Se5#
  - 1...Sh8
    - 2.Se5#
  - 1...b5
    - 2.Sxc5#
  - 1...c4!
- 1.Se7?
  - 1...Sxe7
    - 2.Se5#
  - 1...Sf4
    - 2.Se5#
  - 1...Sh4
    - 2.Se5#
  - 1...Se5
    - 2.Sxe5#
  - 1...Sf8
    - 2.Se5#
  - 1...Sh8
    - 2.Se5#
  - 1...b5
    - 2.Sxc5#
  - 1...c4!
- 1.b3?
  - 1...Sf4
    - 2.Se5#
  - 1...Sh4
    - 2.Se5#
  - 1...Se5
    - 2.Sxe5#
  - 1...Se7
    - 2.Se5#
  - 1...Sf8
    - 2.Se5#
  - 1...Sh8
    - 2.Se5#
  - 1...b5
    - 2.Sxc5#
  - 1...c4!
Keys
- 1.Sc3!
  - 1...Sf4
    - 2.Se5#
  - 1...Sh4
    - 2.Se5#
  - 1...Se5
    - 2.Sxe5#
  - 1...Se7
    - 2.Se5#
  - 1...Sf8
    - 2.Se5#
  - 1...Sh8
    - 2.Se5#
  - 1...c4
    - 2.Rd4#
  - 1...b5
    - 2.Sxc5#

FEATURES

Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
Sets
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- P(d);N_GUARD::S(G)
- P(f);N_GUARD::S(I),XP(d)
Tries
- Try
  - S(G);CHECK
  - Vars
    - S(g);XS(G)::S(I)
  - Refutation
    - P(e);XS(G)
- Try
  - S(G);XP(f)
  - Threat
    - S(I),XP(d)
  - Vars
    - P(d);::S(I)
  - Refutation
    - P(h);XS(G)
- Try
  - S(G);
  - Vars
    - S(g);N_GUARD::S(I)
    - S(g);N_GUARD::S(I),XS(g)
    - P(f);N_GUARD::S(I),XP(d)
  - Refutation
    - P(d);
- Try
  - S(G);
  - Vars
    - S(g);N_GUARD::S(I)
    - S(g);N_GUARD::S(I),XS(g)
    - P(f);N_GUARD::S(I),XP(d)
  - Refutation
    - P(d);
- Try
  - S(G);
  - Vars
    - S(g);N_GUARD,XS(G)::S(I)
    - S(g);N_GUARD::S(I)
    - S(g);N_GUARD::S(I),XS(g)
    - P(f);N_GUARD::S(I),XP(d)
  - Refutation
    - P(d);
- Try
  - P(C);
  - Vars
    - S(g);N_GUARD::S(I)
    - S(g);N_GUARD::S(I),XS(g)
    - P(f);N_GUARD::S(I),XP(d)
  - Refutation
    - P(d);
Actual
- S(G);
- Vars
  - S(g);N_GUARD::S(I)
  - S(g);N_GUARD::S(I),XS(g)
  - P(d);N_GUARD::R1(E)
  - P(f);N_GUARD::S(I),XP(d)

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