MESON Chess Problem Database

Problem Display
PID: 234688 (2K1N3/5p2/1pkp4/6Q1/8/8/8/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2011

2K1N3/5p2/1pkp4/6Q1/8/8/8/8

#2

3 + 4

5454 Near Snap 2021
15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sf6?
      • threat
        • 2.Qd5#
      • 1...d5
        • 2.Qxd5#
      • 1...b5!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Qc1#
        • 2.Qb5#
        • 2.Qd5#
      • 1...b5
        • 2.Qxb5#
      • 1...d5
        • 2.Qxd5#
      • 1...f5
        • 2.Qc1#

Anticipated by 161034(1998)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(A)
      • Vars
        • P(c);::QAB1(A),XP(c)
      • Refutation
        • P(a);
  • Actual
    • S(C);
    • Threat
      • DUALS(3)
    • Vars
      • P(a);::QAB1(A),XP(a)
      • P(c);::QAB1(A),XP(c)
      • P(d);::QAR(A)
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