MESON Chess Problem Database

Problem Display
PID: 241764 (8/3K4/6N1/3k4/1Q6/4p3/8/6B1 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1928

8/3K4/6N1/3k4/1Q6/4p3/8/6B1

#2

4 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...e2
      • 2.Qd4#
  • Tries
    • 1.Sh4?
      • 1...e2
        • 2.Qd4#
      • 1...Ke5!
    • 1.Se5?
      • 1...e2
        • 2.Qd4#
      • 1...Kxe5!
    • 1.Sf8?
      • 1...e2
        • 2.Qd4#
      • 1...Ke5!
    • 1.Sh8?
      • 1...e2
        • 2.Qd4#
      • 1...Ke5!
    • 1.Bf2?
      • 1...e2
        • 2.Qd4#
      • 1...exf2!
    • 1.Qc3?
      • 1...e2
        • 2.Qd4#
        • 2.Qd3#
        • 2.Qc6#
      • 1...Ke4!
    • 1.Qa4?
      • 1...e2
        • 2.Qc6#
        • 2.Qd4#
      • 1...Kc5!
    • 1.Qf4?
      • 1...e2
        • 2.Se7#
        • 2.Qd4#
      • 1...Kc5!
    • 1.Qg4?
      • 1...e2
        • 2.Qe6#
        • 2.Qd4#
      • 1...Kc5!
    • 1.Qh4?
      • 1...e2
        • 2.Qd4#
      • 1...Kc5!
  • Keys
    • 1.Bh2!
      • 1...e2
        • 2.Se7#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(a);::QAR1(B)
  • Tries
    • Try
      • S(C);
      • Vars
        • P(a);::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • P(a);::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT,XS(C)
    • Try
      • S(C);
      • Vars
        • P(a);::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • P(a);::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(A);
      • Vars
        • P(a);::QAR1(B)
      • Refutation
        • P(a);XB(A)
    • Try
      • Q(B);
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a)
    • Try
      • Q(B);
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a)
    • Try
      • Q(B);
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a)
    • Try
      • Q(B);
      • Vars
        • P(a);::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a)
  • Actual
    • B(A);
    • Vars
      • P(a);::S(C)
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