MESON Chess Problem Database

Problem Display
PID: 274090 (8/8/3Rp3/4k3/6pB/2K3P1/2QR4/8 w - - 0 1)

Wolfensberger, Heinz

Zurcher Woche, 1957

8/8/3Rp3/4k3/6pB/2K3P1/2QR4/8

#2

6 + 3

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Tries
    • 1.R2d3?
      • 1...Kf5
        • 2.Re3#
        • 2.R3d5#
      • 1...Ke4!
    • 1.R6d3?
      • threat
        • 2.Re3#
      • 1...Kf5
        • 2.Re3#
        • 2.Rd5#
      • 1...Ke4!
    • 1.Qb3?
      • threat
        • 2.Qxe6#
      • 1...Kf5
        • 2.Qxe6#
      • 1...Ke4!
    • 1.Qa2?
      • threat
        • 2.Qxe6#
      • 1...Kf5
        • 2.Qxe6#
      • 1...Ke4!
  • Keys
    • 1.Kd3!
      • threat
        • 2.Qc5#
      • 1...Kf5
        • 2.Kd4#
      • 1...Kxd6
        • 2.Ke4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(F);
      • Threat
        • R(F)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XP(c)
      • Vars
        • K(b);P-FLIGHT::QAB1(A),XP(c)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XP(c)
      • Vars
        • K(b);P-FLIGHT::QAB1(A),XP(c)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • K(C);P-FLIGHT
    • Threat
      • QAR2(A)
    • Vars
      • K(b);P-FLIGHT::QAB(A)+K(C)
      • K(b);S_FLIGHT,XR(F)::R(B)+K(C)
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