MESON Chess Problem Database

Problem Display
PID: 241904 (8/8/3N4/8/8/8/4kP2/2K1B2Q w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1933

8/8/3N4/8/8/8/4kP2/2K1B2Q

#2

5 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qe4#
  • Tries
    • 1.Kb1?
      • 1...Kd3
        • 2.Qe4#
      • 1...Kd1!
    • 1.Kb2?
      • 1...Kd3
        • 2.Qe4#
      • 1...Kd1!
    • 1.Bd2?
      • 1...Kd3
        • 2.Qe4#
      • 1...Kxf2!
    • 1.Bc3?
      • 1...Kd3
        • 2.Qf3#
      • 1...Kxf2!
    • 1.Bb4?
      • 1...Kd3
        • 2.Qe4#
        • 2.Qd1#
      • 1...Kxf2!
    • 1.Ba5?
      • 1...Kd3
        • 2.Qe4#
        • 2.Qd1#
      • 1...Kxf2!
    • 1.Qg2?
      • 1...Kd3
        • 2.Qe4#
      • 1...Kxe1!
  • Keys
    • 1.f4!
      • 1...Kd3
        • 2.Qe4#
      • 1...Ke3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(C)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • B(B);
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • B(B);
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT,XB(B)
  • Actual
    • P(D);
    • Vars
      • K(a);S_FLIGHT::QAB1(C)
      • K(a);P-FLIGHT::QAR1(C)
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