MESON Chess Problem Database

Problem Display
PID: 39645 (8/1Q6/8/2p5/1pk5/2P1P3/2K5/8 w - - 0 1)

Lindner, Laszlo

Magyar Sakkvilag, 1933

8/1Q6/8/2p5/1pk5/2P1P3/2K5/8

#2

4 + 3

4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Sets
    • 1...bxc3
      • 2.Qb3#
    • 1...b3+
      • 2.Qxb3#
  • Tries
    • 1.Qb6?
      • 1...b3+
        • 2.Qxb3#
      • 1...bxc3
        • 2.Qb3#
      • 1...Kd5!
    • 1.Qb8?
      • 1...b3+
        • 2.Qxb3#
      • 1...bxc3
        • 2.Qb3#
      • 1...Kd5!
    • 1.e4?
      • threat
        • 2.Qa6#
      • 1...b3+
        • 2.Qxb3#
      • 1...bxc3!
  • Keys
    • 1.cxb4!
      • 1...cxb4
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • P(a);OGATE,XP(B)::QAB1(D)
    • P(a);CHECK,OGATE::QAB1(D),XP(a)
  • Tries
    • Try
      • Q(D);
      • Vars
        • P(a);CHECK,OGATE::QAB1(D),XP(a)
        • P(a);OGATE,XP(B)::QAB1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • P(a);CHECK,OGATE::QAB1(D),XP(a)
        • P(a);OGATE,XP(B)::QAB1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(C);
      • Threat
        • QAB(D)
      • Vars
        • P(a);CHECK,OGATE::QAB1(D),XP(a)
      • Refutation
        • P(a);XP(B)
  • Actual
    • P(B);XP(a)
    • Vars
      • P(c);OGATEB,SBLOCK,XP(B)::QAR2(D)
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