MESON Chess Problem Database

Problem Display
PID: 39775 (8/3n4/8/6Q1/3Pk3/2b5/2N1K3/8 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

8/3n4/8/6Q1/3Pk3/2b5/2N1K3/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
    • 1...Sb6
      • 2.Qe5#
    • 1...Sf6
      • 2.Qe5#
    • 1...Sb8
      • 2.Qe5#
    • 1...Sf8
      • 2.Qe5#
  • Keys
    • 1.Se3!
      • threat
        • 2.Qh4#
        • 2.Qg4#
      • 1...Kxd4
        • 2.Qd5#
      • 1...Bxd4
        • 2.Qf5#
      • 1...Be1
        • 2.Qg4#
      • 1...Se5
        • 2.Qxe5#
      • 1...Sf6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • S(c);N_GUARD::QAR1(D)
    • S(c);N_GUARD::QAR1(D),XS(c)
  • Actual
    • S(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);P-FLIGHT,XP(C)::QAR1(D)
      • B(a);SBLOCK,XP(C)::QAB1(D)
      • B(a);::QAR2(D)
      • S(c);N_GUARD::QAR1(D),XS(c)
      • S(c);N_GUARD::QAR1(D)
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