MESON Chess Problem Database

Problem Display
PID: 229934 (8/8/k2K4/8/5R2/8/7Q/8 w - - 0 1)

Orlik, Peter

Deutsche Schachzeitung, 1979

8/8/k2K4/8/5R2/8/7Q/8

#2

3 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rb4?
      • threat
        • 2.Qa2#
      • 1...Ka7
        • 2.Qa2#
      • 1...Ka5!
    • 1.Qb2?
      • threat
        • 2.Ra4#
      • 1...Ka7
        • 2.Ra4#
      • 1...Ka5!
  • Keys
    • 1.Kc6!
      • threat
        • 2.Ra4#
        • 2.Qa2#
      • 1...Ka5
        • 2.Qa2#
      • 1...Ka7
        • 2.Ra4#

FEATURES

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