MESON Chess Problem Database

Problem Display
PID: 224746 (Q7/8/4pPp1/5kp1/R5R1/8/5N1K/8 w - - 0 1)

Cimburek, Ladislav

Wiener Hausfrauen-Zeitung, 1887

Q7/8/4pPp1/5kp1/R5R1/8/5N1K/8

#2

6 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3?
      • threat
        • 2.Qf3#
      • 1...Kxf6
        • 2.Qf8#
      • 1...e5!
    • 1.Rae4?
      • 1...Kxf6
        • 2.Qf8#
      • 1...e5!
    • 1.Ra5+?
      • 1...Kxf6
        • 2.Qf8#
      • 1...e5!
    • 1.Qd8?
      • 1...Ke5
        • 2.Ra5#
        • 2.Rxg5#
      • 1...e5!
    • 1.Qf8?
      • 1...Ke5
        • 2.Ra5#
        • 2.Rxg5#
      • 1...e5!
  • Keys
    • 1.Se4!
      • 1...Kxg4
        • 2.Sg3#
      • 1...Ke5
        • 2.Qa5#
      • 1...e5
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • QAR2(F)
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(E)::QAR2(F)
      • Refutation
        • P(c);
    • Try
      • R(C);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(E)::QAR2(F)
      • Refutation
        • P(c);
    • Try
      • R(C);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(E)::QAR2(F)
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • Q(F);
      • Refutation
        • P(c);
    • Try
      • Q(F);
      • Refutation
        • P(c);
  • Actual
    • S(A);
    • Vars
      • K(a);S_FLIGHT,XR(D)::R(C)+S(A)
      • K(a);P-FLIGHT::QAR(F)
      • P(c);OGATEB,SBLOCK::QAB(F)
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