MESON Chess Problem Database

Problem Display
PID: 232357 (2R5/8/8/6K1/8/6k1/8/1Q6 w - - 0 1)

Speckmann, Werner

Deutsche Schachzeitung, 1975

2R5/8/8/6K1/8/6k1/8/1Q6

#2

3 + 1

15148 Sadier Collection 2021
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Rc2?
      • threat
        • 2.Qb3#
      • 1...Kh3
        • 2.Qb3#
      • 1...Kf3!
    • 1.Qa2?
      • threat
        • 2.Rc3#
      • 1...Kh3
        • 2.Rc3#
      • 1...Kf3!
    • 1.Qg1+?
      • 1...Kh3
        • 2.Rc3#
        • 2.Rh8#
      • 1...Kf3!
    • 1.Qb2?
      • threat
        • 2.Rc3#
      • 1...Kh3
        • 2.Rc3#
      • 1...Kf3!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Rc3#
      • 1...Kf3
        • 2.Rc3#
      • 1...Kh3
        • 2.Rc3#

Anticipated by 120858(1963)

FEATURES

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