MESON Chess Problem Database

Problem Display
PID: 12413 (8/3p4/8/pp6/k7/8/1KP5/4Q3 w - - 0 1)

Meinking, Daniel

Chess Life, 1979

8/3p4/8/pp6/k7/8/1KP5/4Q3

#2

3 + 4

2838 Fun with Chess Miniatures 1996
5454 Near Snap 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Kc3?
      • threat
        • 2.Qa1#
      • 1...Ka3
        • 2.Qa1#
      • 1...b4+!
    • 1.Qe3?
      • threat
        • 2.Qa3#
        • 2.Qb3#
      • 1...Kb4
        • 2.Qd4#
      • 1...b4!
    • 1.Qe7?
      • threat
        • 2.Qa3#
      • 1...b4
        • 2.Qxd7#
      • 1...d6!
  • Keys
    • 1.Qd1!
      • threat
        • 2.c3#
      • 1...Kb4
        • 2.Qd4#
      • 1...b4
        • 2.Qxd7#

Anticipated by 119813(1897)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • QAR(A)
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);CHECK
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • P(c);OGATEB,SBLOCK::QAB(A),XP(d)
      • Refutation
        • P(d);
  • Actual
    • Q(A);
    • Threat
      • QAB(A)+P(C)
    • Vars
      • K(a);P-FLIGHT::QAR2(A)
      • P(c);OGATEB,SBLOCK::QAB(A),XP(d)
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