MESON Chess Problem Database

Problem Display
PID: 18494 (B5R1/8/8/8/2N4K/7p/5n1k/R7 w - - 0 1)

Latzel, Gerhard Paul

4th HM., Deutsche Schachzeitung, 1956

B5R1/8/8/8/2N4K/7p/5n1k/R7

#2

5 + 3

2838 Fun with Chess Miniatures 1996
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sh1
      • 2.Rxh1#
    • 1...Sd3
      • 2.Rh1#
    • 1...Sg4
      • 2.Rh1#
  • Tries
    • 1.Se3?
      • threat
        • 2.Sf1#
      • 1...Sg4
        • 2.Sxg4#
        • 2.Rh1#
      • 1...Se4!
    • 1.Se5?
      • threat
        • 2.Sf3#
      • 1...Sg4
        • 2.Sxg4#
        • 2.Rh1#
      • 1...Sd1!
    • 1.Bf3?
      • 1...Sh1
        • 2.Rxh1#
      • 1...Sd3
        • 2.Rh1#
      • 1...Se4
        • 2.Rh1#
      • 1...Sg4
        • 2.Rh1#
      • 1...Sd1!
    • 1.Re1?
      • 1...Sd1
        • 2.Rh1#
      • 1...Sh1
        • 2.Rxh1#
      • 1...Sd3
        • 2.Rh1#
      • 1...Sg4
        • 2.Rh1#
      • 1...Se4!
    • 1.Rf1?
      • threat
        • 2.Rxf2#
      • 1...Sd1
        • 2.Rh1#
      • 1...Sh1
        • 2.Rxh1#
      • 1...Sd3
        • 2.Rh1#
      • 1...Sg4
        • 2.Rh1#
      • 1...Se4!
    • 1.Rag1?
      • 1...Sg4
        • 2.Rh1#
      • 1...Sd1
        • 2.Rh1#
      • 1...Sh1
        • 2.Rxh1#
      • 1...Sd3
        • 2.Rh1#
      • 1...Se4!
    • 1.Rgg1?
      • 1...Sd1
        • 2.Rh1#
      • 1...Sh1
        • 2.Rxh1#
      • 1...Sd3
        • 2.Rh1#
      • 1...Sg4
        • 2.Rh1#
      • 1...Se4!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sf1#
        • 2.Sf3#
      • 1...Sd1
        • 2.Sf1#
      • 1...Se4
        • 2.Sf3#
      • 1...Sg4
        • 2.Rh1#

This anticipates 87786(1993)

There are these afters: 80291

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(a);N_GUARD::R1(A),XS(a)
    • S(a);N_GUARD::R1(A)
  • Tries
    • Try
      • S(B);
      • Threat
        • S(B)
      • Refutation
        • S(a);
    • Try
      • S(B);
      • Threat
        • S(B)
      • Refutation
        • S(a);
    • Try
      • B(D);
      • Vars
        • S(a);N_GUARD::R1(A),XS(a)
        • S(a);N_GUARD::R1(A)
      • Refutation
        • S(a);
    • Try
      • R(A);
      • Vars
        • S(a);N_GUARD::R1(A)
        • S(a);N_GUARD::R1(A),XS(a)
      • Refutation
        • S(a);
    • Try
      • R(A);
      • Threat
        • R(A),XS(a)
      • Vars
        • S(a);N_GUARD::R1(A)
        • S(a);N_GUARD::R1(A),XS(a)
      • Refutation
        • S(a);
    • Try
      • R(A);
      • Vars
        • S(a);N_GUARD::R1(A)
        • S(a);N_GUARD::R1(A),XS(a)
      • Refutation
        • S(a);
    • Try
      • R(E);
      • Vars
        • S(a);N_GUARD::R1(E)
        • S(a);N_GUARD::R1(E),XS(a)
      • Refutation
        • S(a);
  • Actual
    • S(B);
    • Threat
      • DUALS(2)
    • Vars
      • S(a);::S(B)
      • S(a);N_GUARD::R1(A)
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