MESON Chess Problem Database

Problem Display
PID: 231453 (6NR/6P1/4k3/6K1/3Q4/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1927

6NR/6P1/4k3/6K1/3Q4/8/8/8

#2

5 + 1

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf7
      • 2.Qd7#
  • Tries
    • 1.Kh5?
      • 1...Kf7
        • 2.Qd7#
      • 1...Kf5!
    • 1.Kh6?
      • 1...Kf7
        • 2.Qd7#
      • 1...Kf5!
    • 1.Se7?
      • 1...Kf7
        • 2.Qf6#
      • 1...Kxe7!
    • 1.Qc5?
      • 1...Kf7
        • 2.Qe7#
      • 1...Kd7!
    • 1.Qd1?
      • 1...Kf7
        • 2.Qd7#
      • 1...Ke5!
    • 1.Qd2?
      • 1...Kf7
        • 2.Qd7#
      • 1...Ke5!
    • 1.Qd3?
      • 1...Kf7
        • 2.Qg6#
        • 2.Qd7#
      • 1...Ke5!
    • 1.Qd6+?
      • 1...Kf7
        • 2.Qe7#
        • 2.Qg6#
        • 2.Qd7#
      • 1...Kxd6!
    • 1.Qd8?
      • 1...Kf7
        • 2.Qe7#
        • 2.Qd7#
      • 1...Ke5!
  • Keys
    • 1.Sf6!
      • 1...Ke7
        • 2.Qd7#
      • 1...Kf7
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR2(A)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XS(D)
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::QAR2(A)
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