MESON Chess Problem Database

Problem Display
PID: 202870 (8/8/5p2/2Q5/5k2/3K4/7N/7N w - - 0 1)

Zilahi, Zoltan

Magyar Sakkvilag, 1926

8/8/5p2/2Q5/5k2/3K4/7N/7N

#2

4 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Qe3#
  • Tries
    • 1.Kd2?
      • 1...f5
        • 2.Qe3#
      • 1...Ke4!
    • 1.Ke2?
      • 1...f5
        • 2.Qe3#
      • 1...Ke4!
    • 1.Sf2?
      • 1...f5
        • 2.Qe3#
      • 1...Kg3!
    • 1.Sg3?
      • threat
        • 2.Se2#
        • 2.Sh5#
        • 2.Qe3#
      • 1...f5
        • 2.Qe3#
      • 1...Kxg3!
  • Keys
    • 1.Kd4!
      • 1...f5
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::QAB1(D)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAB1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Vars
        • P(b);SBLOCK::QAB1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);
      • Vars
        • P(b);SBLOCK::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(A);
      • Threat
        • DUALS(3)
      • Vars
        • P(b);::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT,XS(A)
  • Actual
    • K(C);P-FLIGHT
    • Vars
      • P(b);SBLOCK::QAB(D)
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