MESON Chess Problem Database

Problem Display
PID: 57307 (4Q3/8/8/3P4/3k3P/4N1P1/8/K1N5 w - - 0 1)

Carpenter, George Edward

Source?, 0000

4Q3/8/8/3P4/3k3P/4N1P1/8/K1N5

#2

7 + 1

4331 Schachminiaturen II 1903
5454 Near Snap 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Qf8?
      • 1...Kxe3
        • 2.Qf4#
      • 1...Ke4
        • 2.Qf4#
      • 1...Ke5
        • 2.Qf4#
      • 1...Kc3!
  • Keys
    • 1.Qb8!
      • 1...Kc3
        • 2.Qb2#
      • 1...Kxe3
        • 2.Qf4#
      • 1...Ke4
        • 2.Qf4#
      • 1...Kc5
        • 2.Sb3#

This anticipates 149379(1921)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);
      • Vars
        • K(a);S_FLIGHT,XS(C)::QAB1(G)
        • K(a);P-FLIGHT::QAR1(G)
        • K(a);S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(G);
    • Vars
      • K(a);S_FLIGHT::QAB1(G)
      • K(a);S_FLIGHT,XS(C)::QAB1(G)
      • K(a);P-FLIGHT::QAR1(G)
      • K(a);S_FLIGHT::S(B)
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