MESON Chess Problem Database

Problem Display
PID: 242035 (8/4N3/2p5/2K4N/1p2k3/1Q6/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

8/4N3/2p5/2K4N/1p2k3/1Q6/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qe3#
  • Tries
    • 1.Kxc6?
      • 1...Ke5
        • 2.Qd5#
        • 2.Qe3#
      • 1...Kd4!
    • 1.Qd1?
      • threat
        • 2.Qe2#
      • 1...Ke5
        • 2.Qe2#
        • 2.Qe1#
      • 1...Ke3!
    • 1.Qd3+?
      • 1...Ke5
        • 2.Qe2#
        • 2.Qf5#
        • 2.Qe3#
      • 1...Kxd3!
    • 1.Qf3+?
      • 1...Ke5
        • 2.Qe2#
        • 2.Qe3#
        • 2.Qf5#
      • 1...Kxf3!
    • 1.Qh3?
      • 1...Ke5
        • 2.Qf5#
        • 2.Qe3#
      • 1...b3!
  • Keys
    • 1.Qg3!
      • 1...b3
        • 2.Sf6#

FEATURES

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