MESON Chess Problem Database

Problem Display
PID: 241806 (8/7B/6p1/2Q5/5k2/7K/3N4/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1929

8/7B/6p1/2Q5/5k2/7K/3N4/8

#2

4 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...g5
      • 2.Qd4#
  • Tries
    • 1.Kg2?
      • 1...g5
        • 2.Qd4#
      • 1...Kg4!
    • 1.Kh2?
      • 1...g5
        • 2.Qd4#
      • 1...Kg4!
    • 1.Sf1?
      • 1...Kf3
        • 2.Qe3#
      • 1...g5
        • 2.Qe3#
        • 2.Qf5#
      • 1...Ke4!
    • 1.Sc4?
      • 1...Kf3
        • 2.Qe3#
      • 1...g5
        • 2.Qf2#
        • 2.Qe3#
        • 2.Qf8#
        • 2.Qf5#
      • 1...Ke4!
    • 1.Qe7?
      • 1...g5
        • 2.Qe4#
      • 1...Kf5!
    • 1.Qd5?
      • 1...g5
        • 2.Qe4#
        • 2.Qd4#
      • 1...Ke3!
  • Keys
    • 1.Kh4!
      • 1...g5+
        • 2.Qxg5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::QAR2(C)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(b);SBLOCK::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
    • Try
      • S(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
    • Try
      • Q(C);
      • Vars
        • P(b);SBLOCK::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
    • Try
      • Q(C);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • P(b);CHECK::QAB1(C),XP(b)
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