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Problem Display

PID: 233823 (5B2/4NbR1/3p1k1p/3P1P1P/4RKp1/8/8/8 w - - 0 1)

Benko, Pal Charles

Chess Life Online, 2015

5B2/4NbR1/3p1k1p/3P1P1P/4RKp1/8/8/8

#2

8 + 5

15148	Sadier Collection	2021

SOLUTION

SOUND
Sets
- 1...Bxd5
  - 2.Sxd5#
- 1...Bxh5
  - 2.Sg8#
  - 2.Re6#
- 1...Be6
  - 2.Rxe6#
- 1...Bg6
  - 2.Sg8#
  - 2.Re6#
- 1...Be8
  - 2.Sg8#
  - 2.Re6#
- 1...Bg8
  - 2.Sxg8#
Tries
- 1.Kxg4?
  - 1...Bxd5
    - 2.Sxd5#
  - 1...Be6
    - 2.Rxe6#
  - 1...Bg6
    - 2.Sg8#
    - 2.Re6#
  - 1...Be8
    - 2.Sg8#
    - 2.Re6#
  - 1...Bg8
    - 2.Sxg8#
  - 1...Bxh5+!
- 1.Re1?
  - 1...Bxd5
    - 2.Sxd5#
  - 1...Bxh5
    - 2.Sg8#
    - 2.Re6#
  - 1...Bg8
    - 2.Sxg8#
  - 1...Be6
    - 2.Rxe6#
  - 1...Bg6
    - 2.Sg8#
    - 2.Re6#
  - 1...Be8
    - 2.Sg8#
    - 2.Re6#
  - 1...g3!
- 1.Re2?
  - 1...Bxd5
    - 2.Sxd5#
  - 1...Bxh5
    - 2.Sg8#
    - 2.Re6#
  - 1...Bg8
    - 2.Sxg8#
  - 1...Be6
    - 2.Rxe6#
  - 1...Bg6
    - 2.Sg8#
    - 2.Re6#
  - 1...Be8
    - 2.Sg8#
    - 2.Re6#
  - 1...g3!
- 1.Re3?
  - 1...Bxd5
    - 2.Sxd5#
  - 1...Bxh5
    - 2.Sg8#
    - 2.Re6#
  - 1...Bg8
    - 2.Sxg8#
  - 1...Be6
    - 2.Rxe6#
  - 1...Bg6
    - 2.Sg8#
    - 2.Re6#
  - 1...Be8
    - 2.Sg8#
    - 2.Re6#
  - 1...g3!
Keys
- 1.Rh7!
  - threat
    - 2.Bg7#
  - 1...Bxd5
    - 2.Sxd5#
  - 1...Bxh5
    - 2.Sg8#
    - 2.Re6#
  - 1...Be6
    - 2.Rxe6#
  - 1...Bg6
    - 2.Sg8#
    - 2.Re6#
  - 1...Be8
    - 2.Sg8#
    - 2.Re6#
  - 1...Bg8
    - 2.Sxg8#

FEATURES

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
Sets
- B(e);XP(C)::S(F),XB(e)
- B(e);N_GUARD::R1(A),XB(e)
- B(e);N_GUARD::S(F),XB(e)
Tries
- Try
  - K(B);P-FLIGHT,XP(a)
  - Vars
    - B(e);XP(C)::S(F),XB(e)
    - B(e);N_GUARD,P_PINP(D)::R1(A),XB(e)
    - B(e);N_GUARD::S(F),XB(e)
  - Refutation
    - B(e);CHECK,XP(E)
- Try
  - R(A);
  - Vars
    - B(e);XP(C)::S(F),XB(e)
    - B(e);N_GUARD::S(F),XB(e)
    - B(e);N_GUARD::R1(A),XB(e)
  - Refutation
    - P(a);
- Try
  - R(A);
  - Vars
    - B(e);XP(C)::S(F),XB(e)
    - B(e);N_GUARD::S(F),XB(e)
    - B(e);N_GUARD::R1(A),XB(e)
  - Refutation
    - P(a);
- Try
  - R(A);
  - Vars
    - B(e);XP(C)::S(F),XB(e)
    - B(e);N_GUARD::S(F),XB(e)
    - B(e);N_GUARD::R1(A),XB(e)
  - Refutation
    - P(a);
Actual
- R(G);
- Threat
  - B(H)
- Vars
  - B(e);XP(C)::S(F),XB(e)
  - B(e);N_GUARD::R1(A),XB(e)
  - B(e);N_GUARD::S(F),XB(e)

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