MESON Chess Problem Database

Problem Display
PID: 167088 (kN6/P7/Q2B4/n7/K7/8/8/8 w - - 0 1)

Lincoln, Robert A

StrateGems, 2016

kN6/P7/Q2B4/n7/K7/8/8/8

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Bc5?
      • 1...Sb3
        • 2.Qc6#
      • 1...Sc4
        • 2.Qc6#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Sb7!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Sc6#
      • 1...Kxa7
        • 2.Qa6#
      • 1...Sc6
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Vars
        • S(a);N_GUARD::QAB(B)
        • S(a);N_GUARD::QAB(B),XS(a)
      • Refutation
        • S(a);
  • Actual
    • Q(B);
    • Threat
      • QAR(B)+S(E)
    • Vars
      • K(b);OGATEB,P-FLIGHT,XP(D)::QAR1(B)
      • S(a);::QAR(B)+S(E),XS(a)
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