MESON Chess Problem Database

Problem Display
PID: 11701 (5K2/7p/5k2/1Q6/6R1/8/1p6/b7 w - - 0 1)

Speckmann, Werner

Deutsche Schachzeitung, 1971

5K2/7p/5k2/1Q6/6R1/8/1p6/b7

#2

3 + 4

3295 Einfuhrung in die Welt des Schachproblem 1984
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rc4?
      • threat
        • 2.Rc6#
      • 1...Kg6
        • 2.Rc6#
      • 1...Ke6!
    • 1.Rd4?
      • threat
        • 2.Rd6#
      • 1...Kg6
        • 2.Rd6#
      • 1...Ke6!
  • Keys
    • 1.Ra4!
      • threat
        • 2.Ra6#
      • 1...Ke6
        • 2.Ra6#
      • 1...Kg6
        • 2.Ra6#

Anticipated by 208740(1875), 159320(1911)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(c);P-FLIGHT::R(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(c);P-FLIGHT::R(A)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • R(A);
    • Threat
      • R(A)
    • Vars
      • K(c);P-FLIGHT::R(A)
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