MESON Chess Problem Database

Problem Display
PID: 24137 (8/8/nQ6/N2b4/k7/8/1KP5/8 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

8/8/nQ6/N2b4/k7/8/1KP5/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Bb3
      • 2.cxb3#
  • Tries
    • 1.Sc4?
      • threat
        • 2.Qa5#
        • 2.Qb3#
      • 1...Sb4
        • 2.Qa5#
      • 1...Sc5
        • 2.Qa5#
      • 1...Bxc4!
    • 1.Sc6?
      • threat
        • 2.Qa5#
        • 2.Qxa6#
      • 1...Bc4
        • 2.Qa5#
      • 1...Sb4
        • 2.Qa5#
        • 2.Qxb4#
      • 1...Sc5
        • 2.Qa5#
        • 2.Qb4#
      • 1...Sc7
        • 2.Qa5#
        • 2.Qb4#
      • 1...Sb8
        • 2.Qa5#
        • 2.Qb4#
      • 1...Bxc6!
  • Keys
    • 1.Sb3!
      • threat
        • 2.Qa5#
      • 1...Bxb3
        • 2.cxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(b);OGATE::P(B),XB(b)
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);::QAR1(D)
      • Refutation
        • B(b);XS(C)
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);::QAR1(D)
      • Refutation
        • B(b);XS(C)
  • Actual
    • S(C);
    • Threat
      • QAR1(D)
    • Vars
      • B(b);OGATE,XS(C)::P(B),XB(b)
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