MESON Chess Problem Database

Problem Display
PID: 241870 (8/8/2N5/8/8/5P2/3Pk1P1/2K3Q1 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1931

8/8/2N5/8/8/5P2/3Pk1P1/2K3Q1

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qf1#
  • Tries
    • 1.Qf2+?
      • 1...Kd3
        • 2.Se5#
        • 2.Qf1#
      • 1...Kxf2!
    • 1.Qd1+?
      • 1...Kd3
        • 2.Qf1#
      • 1...Kf2!
    • 1.Qe1+?
      • 1...Kd3
        • 2.Qf1#
        • 2.Qe4#
      • 1...Kxe1!
    • 1.Qh1?
      • 1...Kd3
        • 2.Qf1#
      • 1...Kf2!
    • 1.g3?
      • 1...Kd3
        • 2.Qf1#
      • 1...Kxf3!
    • 1.g4?
      • 1...Kd3
        • 2.Qf1#
      • 1...Kxf3!
  • Keys
    • 1.Sa5!
      • 1...Kd3
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(D);
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);S_FLIGHT,XP(E)
    • Try
      • P(D);
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);S_FLIGHT,XP(E)
  • Actual
    • S(F);
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
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