MESON Chess Problem Database

Problem Display
PID: 169374 (K7/8/1Q6/8/8/p7/k1N2R2/8 w - - 0 1)

Poisson, Christian

SuperProblem 118. TT, 2014

K7/8/1Q6/8/8/p7/k1N2R2/8

#2

4 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sxa3+?
      • 1...Ka1
        • 2.Qd4#
        • 2.Qb1#
        • 2.Qb2#
        • 2.Qf6#
      • 1...Kxa3!
    • 1.Qf6?
      • 1...Kb1
        • 2.Qa1#
      • 1...Kb3!
  • Keys
    • 1.Qd4!
      • 1...Kb1
        • 2.Qa1#
      • 1...Kb3
        • 2.Sa1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);CHECK,XP(b)
      • Refutation
        • K(a);P-FLIGHT,XS(A)
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::QAR1(C)
      • K(a);S_FLIGHT::S(A)
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