MESON Chess Problem Database

Problem Display
PID: 208776 (8/1Q6/2N5/3kp1P1/4N3/5K2/P7/8 w - - 0 1)

Taylor, George W

Dubuque Chess Journal, 1876

8/1Q6/2N5/3kp1P1/4N3/5K2/P7/8

#2

6 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qb3#
  • Tries
    • 1.Ke3?
      • 1...Kc4
        • 2.Sa5#
        • 2.Sxe5#
        • 2.Qb3#
      • 1...Ke6!
    • 1.Kg4?
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke6
        • 2.Sd8#
      • 1...Kxe4!
    • 1.Sa5+?
      • 1...Kd4
        • 2.Qd7#
      • 1...Ke6!
    • 1.Qb6?
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke6!
    • 1.a4?
      • 1...Kc4
        • 2.Qb5#
      • 1...Ke6!
  • Keys
    • 1.g6!
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke6
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(F)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
        • K(a);S_FLIGHT::S(E)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • S(E);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(D);
    • Vars
      • K(a);S_FLIGHT::QAB1(F)
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