MESON Chess Problem Database

Problem Display
PID: 242071 (4R3/8/2p1Pk2/2K5/6Q1/5P2/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

4R3/8/2p1Pk2/2K5/6Q1/5P2/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qg5#
  • Tries
    • 1.Re7?
      • 1...Ke5
        • 2.Qg5#
      • 1...Kxe7!
    • 1.Rf8+?
      • 1...Ke5
        • 2.Qf5#
        • 2.Qe4#
      • 1...Ke7!
    • 1.Qg1?
      • 1...Ke5
        • 2.Qg5#
      • 1...Kf5!
    • 1.Qg2?
      • 1...Ke5
        • 2.Qg5#
      • 1...Kf5!
    • 1.Qg6+?
      • 1...Ke5
        • 2.Qg5#
      • 1...Kxg6!
    • 1.Qg8?
      • 1...Ke5
        • 2.Qg5#
      • 1...Kf5!
  • Keys
    • 1.Kd6!
      • 1...c5
        • 2.Rf8#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);S_FLIGHT::QAR2(B)
  • Tries
    • Try
      • R(E);
      • Vars
        • K(b);S_FLIGHT::QAR2(B)
      • Refutation
        • K(b);S_FLIGHT,XR(E)
    • Try
      • R(E);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);S_FLIGHT::QAR2(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);S_FLIGHT::QAR2(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR2(B)
      • Refutation
        • K(b);P-FLIGHT,XQ(B)
    • Try
      • Q(B);
      • Vars
        • K(b);S_FLIGHT::QAR2(B)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • P(a);::R(E)
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