MESON Chess Problem Database

Problem Display
PID: 206984 (8/8/3p2N1/3Qbk1K/8/8/4P3/8 w - - 0 1)

Fiske, William Orville

Syracuse Daily Standard, 1859

8/8/3p2N1/3Qbk1K/8/8/4P3/8

#2

4 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Kh6?
      • 1...Kg4
        • 2.Qf3#
      • 1...Kf6!
    • 1.Sf4?
      • 1...Kxf4
        • 2.Qf3#
      • 1...Kf6!
    • 1.Sh4+?
      • 1...Kf4
        • 2.Qf3#
      • 1...Kf6!
    • 1.Se7+?
      • 1...Kf4
        • 2.Qf3#
      • 1...Kf6!
    • 1.Sf8?
      • 1...Kf4
        • 2.Qf3#
      • 1...Kf6!
  • Keys
    • 1.Sh8!
      • 1...Kf4
        • 2.Qf3#
      • 1...Kf6
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(b);N_SPINB(a),S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
    • Try
      • S(D);
      • Vars
        • K(b);N_SPINB(a),OGATEB,P-FLIGHT,XS(D)::QAR1(B)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
    • Try
      • S(D);
      • Vars
        • K(b);N_SPINB(a),P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);N_SPINB(a),P-FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(b);N_SPINB(a),P-FLIGHT::QAR1(B)
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