MESON Chess Problem Database

Problem Display
PID: 39649 (8/8/2p5/2Q5/4k3/4N3/2P2K2/8 w - - 0 1)

Lindner, Laszlo

Magyar Sakkvilag, 1933

8/8/2p5/2Q5/4k3/4N3/2P2K2/8

#2

4 + 2

4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qf5#
  • Tries
    • 1.Qd5+?
      • 1...Kf4
        • 2.Qf5#
      • 1...cxd5!
    • 1.c4?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd3!
  • Keys
    • 1.c3!
      • threat
        • 2.Qd4#
        • 2.Qf5#
      • 1...Kd3
        • 2.Qd4#
      • 1...Kf4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR1(D)
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
      • Refutation
        • P(b);XQ(D)
    • Try
      • P(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);S_FLIGHT::QAR1(D)
      • K(a);P-FLIGHT::QAR1(D)
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