MESON Chess Problem Database

Problem Display
PID: 165365 (8/p7/k1K1p2Q/8/8/8/5p2/4B3 w - - 0 1)

Lincoln, Robert A

The Problemist Supplement, 2017

8/p7/k1K1p2Q/8/8/8/5p2/4B3

#2

3 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Qg5?
      • threat
        • 2.Qa5#
        • 2.Qb5#
      • 1...fxe1Q
        • 2.Qb5#
      • 1...fxe1S
        • 2.Qb5#
      • 1...fxe1B
        • 2.Qb5#
      • 1...fxe1R
        • 2.Qb5#
      • 1...f1Q
        • 2.Qa5#
      • 1...f1B
        • 2.Qa5#
      • 1...e5!
  • Keys
    • 1.Qh5!
      • threat
        • 2.Qe2#
        • 2.Qa5#
        • 2.Qb5#
      • 1...fxe1Q
        • 2.Qb5#
      • 1...fxe1S
        • 2.Qb5#
      • 1...fxe1B
        • 2.Qb5#
      • 1...fxe1R
        • 2.Qb5#
      • 1...f1Q
        • 2.Qa5#
      • 1...f1B
        • 2.Qa5#
      • 1...e5
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);XB(A)::QAB1(C)
        • P(a);::QAR1(C)
      • Refutation
        • P(c);
  • Actual
    • Q(C);
    • Threat
      • DUALS(3)
    • Vars
      • P(a);XB(A)::QAB1(C)
      • P(a);::QAR1(C)
      • P(c);::QAB(C)
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