MESON Chess Problem Database

Problem Display
PID: 194219 (8/2NN4/8/5pp1/4k3/8/5K2/3R4 w - - 0 1)

Palitzsch, Friedrich Martin

Deutsches Wochenschach, 1917

8/2NN4/8/5pp1/4k3/8/5K2/3R4

#2

4 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Rd4#
  • Tries
    • 1.Se8?
      • 1...Kf4
        • 2.Rd4#
      • 1...f4
        • 2.Sd6#
      • 1...g4!
    • 1.Rd5?
      • 1...Kf4
        • 2.Rd4#
      • 1...f4
        • 2.Sc5#
        • 2.Sf6#
      • 1...g4!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Rd4#
      • 1...Kf4
        • 2.Rd4#
      • 1...f4
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(A)
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::R(A)
        • P(b);SBLOCK::S(C)
      • Refutation
        • P(c);
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • P(c);
  • Actual
    • S(C);
    • Threat
      • R1(A)
    • Vars
      • K(a);P-FLIGHT::R(A)
      • P(b);SBLOCK::S(C)
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