MESON Chess Problem Database

Problem Display
PID: 231734 (8/7k/8/5PK1/8/2R5/p1Q5/8 w - - 0 1)

Torngren, Pehr Hendrik

Die Schwalbe, 1929

8/7k/8/5PK1/8/2R5/p1Q5/8

#2

4 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.f6+?
      • 1...Kh8
        • 2.Rc8#
      • 1...Kg8!
  • Keys
    • 1.Rc8!
      • threat
        • 2.Qc7#
        • 2.f6#
      • 1...Kg7
        • 2.Qc7#
      • 1...a1Q
        • 2.f6#
      • 1...a1S
        • 2.Qc7#
      • 1...a1B
        • 2.f6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(C);CHECK
      • Vars
        • K(b);P-FLIGHT::R(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);P-FLIGHT::QAR(A)
      • P(a);::QAB(A)+P(C)
      • P(a);::QAR(A)
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