MESON Chess Problem Database

Problem Display
PID: 229187 (8/8/8/6N1/8/5Q1p/6r1/5K1k w - - 0 1)

Schiffert, Gyorgy

Magyar Sakkvilag, 1926

8/8/8/6N1/8/5Q1p/6r1/5K1k

#2

3 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kh2
      • 2.Qxh3#
    • 1...h2
      • 2.Qxg2#
  • Tries
    • 1.Se4?
      • 1...h2
        • 2.Sf2#
        • 2.Sg3#
        • 2.Qxg2#
      • 1...Kh2!
    • 1.Se6?
      • 1...h2
        • 2.Qxg2#
      • 1...Kh2!
    • 1.Sf7?
      • 1...h2
        • 2.Qxg2#
      • 1...Kh2!
    • 1.Sh7?
      • 1...h2
        • 2.Qxg2#
      • 1...Kh2!
    • 1.Qe4?
      • 1...h2
        • 2.Qxg2#
      • 1...Kh2!
    • 1.Qd5?
      • 1...h2
        • 2.Qxg2#
      • 1...Kh2!
    • 1.Qc6?
      • 1...h2
        • 2.Qxg2#
      • 1...Kh2!
    • 1.Qb7?
      • 1...h2
        • 2.Qxg2#
      • 1...Kh2!
    • 1.Qa8?
      • 1...h2
        • 2.Qxg2#
      • 1...Kh2!
  • Keys
    • 1.Sxh3!
      • 1...Kh2
        • 2.Qxg2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(a);N_SPINR(b),P-FLIGHT::QAR1(B),XP(c)
    • P(c);N_GUARD::QAB1(B),XR(b)
  • Tries
    • Try
      • S(C);
      • Refutation
        • K(a);N_SPINR(b),P-FLIGHT
    • Try
      • S(C);
      • Vars
        • P(c);N_GUARD::QAB1(B),XR(b)
      • Refutation
        • K(a);N_SPINR(b),P-FLIGHT
    • Try
      • S(C);
      • Vars
        • P(c);N_GUARD::QAB1(B),XR(b)
      • Refutation
        • K(a);N_SPINR(b),P-FLIGHT
    • Try
      • S(C);
      • Vars
        • P(c);N_GUARD::QAB1(B),XR(b)
      • Refutation
        • K(a);N_SPINR(b),P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • P(c);N_GUARD::QAB1(B),XR(b)
      • Refutation
        • K(a);N_SPINR(b),P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • P(c);N_GUARD::QAB1(B),XR(b)
      • Refutation
        • K(a);N_SPINR(b),P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • P(c);N_GUARD::QAB1(B),XR(b)
      • Refutation
        • K(a);N_SPINR(b),P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • P(c);N_GUARD::QAB1(B),XR(b)
      • Refutation
        • K(a);N_SPINR(b),P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • P(c);N_GUARD::QAB1(B),XR(b)
      • Refutation
        • K(a);N_SPINR(b),P-FLIGHT
  • Actual
    • S(C);XP(c)
    • Vars
      • K(a);N_SPINR(b),P-FLIGHT::QAR1(B),XR(b)
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