MESON Chess Problem Database

Problem Display
PID: 241898 (8/8/5K2/6Nk/7b/7Q/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1932

8/8/5K2/6Nk/7b/7Q/8/8

#2

3 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kh6
      • 2.Qxh4#
  • Tries
    • 1.Kf7?
      • 1...Kh6
        • 2.Qxh4#
      • 1...Kxg5!
    • 1.Qg4+?
      • 1...Kh6
        • 2.Qxh4#
      • 1...Kxg4!
    • 1.Qh2?
      • 1...Kh6
        • 2.Qxh4#
      • 1...Kg4!
    • 1.Qg3?
      • 1...Bxg5+
        • 2.Qxg5#
      • 1...Kh6
        • 2.Qxh4#
      • 1...Bxg3!
  • Keys
    • 1.Qh1!
      • 1...Kg4
        • 2.Qf3#
      • 1...Kh6
        • 2.Qxh4#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR2(A),XB(a)
  • Tries
    • Try
      • K(C);N_SPINS(B),P-FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR2(A),XB(a)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT,XS(B)
    • Try
      • Q(A);CHECK,N_PINB(a)
      • Vars
        • K(b);P-FLIGHT::QAR2(A),XB(a)
      • Refutation
        • K(b);S_FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Vars
        • K(b);P-FLIGHT::QAR2(A),XB(a)
      • Refutation
        • K(b);N_SPINB(a),S_FLIGHT
    • Try
      • Q(A);N_PINB(a)
      • Vars
        • B(a);CHECK,OGATE,XS(B)::QAR1(A),XB(a)
        • K(b);P-FLIGHT::QAR2(A),XB(a)
      • Refutation
        • B(a);N_PINS(B),XQ(A)
  • Actual
    • Q(A);
    • Vars
      • K(b);N_SPINB(a),S_FLIGHT::QAB1(A)
      • K(b);P-FLIGHT::QAR2(A),XB(a)
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