MESON Chess Problem Database

Problem Display
PID: 1075 (8/5p2/8/1K6/3k1P2/1Bp5/4Q1n1/8 w - - 0 1)

Shanahan, Ian

The Problemist Supplement, 2000

8/5p2/8/1K6/3k1P2/1Bp5/4Q1n1/8

#2

4 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Bc4?
      • threat
        • 2.Qd3#
        • 2.Qe5#
      • 1...Se3
        • 2.Qd3#
      • 1...Se1
        • 2.Qe5#
      • 1...f6
        • 2.Qd3#
      • 1...Sxf4!
  • Keys
    • 1.Bc2!
      • threat
        • 2.Qd3#
        • 2.Qe4#
        • 2.Qe5#
      • 1...Kd5
        • 2.Qe5#
      • 1...Sxf4
        • 2.Qe4#
      • 1...Se1
        • 2.Qe4#
        • 2.Qe5#
      • 1...Se3
        • 2.Qd3#
      • 1...f5
        • 2.Qd3#
        • 2.Qe5#
      • 1...f6
        • 2.Qd3#
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::QAR1(A)
        • S(a);::QAB1(A)
        • P(d);::QAR1(A)
      • Refutation
        • S(a);XP(C)
  • Actual
    • B(B);
    • Threat
      • DUALS(3)
    • Vars
      • K(c);P-FLIGHT::QAR1(A)
      • S(a);XP(C)::QAR1(A)
      • S(a);::QAR1(A)
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