MESON Chess Problem Database

Problem Display
PID: 142068 (8/8/8/3N3Q/4P3/1Np4B/4P3/K2k4 w - - 0 1)

Barbier, Georges Emile

Source?, 0000

8/8/8/3N3Q/4P3/1Np4B/4P3/K2k4

#2

7 + 2

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Sxc3+?
      • 1...Ke1
        • 2.Qh4#
      • 1...Kc2!
    • 1.Qf3?
      • 1...Ke1
        • 2.Qf1#
      • 1...c2
        • 2.Qf1#
      • 1...Kc2!
    • 1.Qf5?
      • 1...Ke1
        • 2.Qf1#
      • 1...Kxe2
        • 2.Qf1#
      • 1...c2
        • 2.Qf1#
      • 1...Kc2!
  • Keys
    • 1.Qf7!
      • 1...Ke1
        • 2.Qf1#
      • 1...Kc2
        • 2.Se3#
      • 1...Kxe2
        • 2.Qf1#
      • 1...c2
        • 2.Qf1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK,XP(b)
      • Vars
        • K(a);P-FLIGHT::QAB(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • K(a);P-FLIGHT::QAR1(G)
        • P(b);SBLOCK::QAR2(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • K(a);P-FLIGHT::QAR1(G)
        • K(a);S_FLIGHT,XP(B)::QAB1(G)
        • P(b);SBLOCK::QAR2(G)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(G);
    • Vars
      • K(a);P-FLIGHT::QAR1(G)
      • K(a);S_FLIGHT::S(F)
      • K(a);S_FLIGHT,XP(B)::QAB1(G)
      • P(b);SBLOCK::QAR2(G)
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