MESON Chess Problem Database

Problem Display
PID: 2221 (7N/8/NK1PpP2/4k3/4P3/2R5/1P4Q1/8 w - - 0 1)

Cook, Eugene Beauharnais

Boston Saturday Evening Gazette, 1859

(First published on Sat Dec 24 1859)

7N/8/NK1PpP2/4k3/4P3/2R5/1P4Q1/8

#2

9 + 2

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Sg6#
  • Tries
    • 1.Kc5?
      • 1...Kf4
        • 2.Sg6#
      • 1...Kxf6!
    • 1.Sc5?
      • 1...Kf4
        • 2.Sg6#
        • 2.Qg3#
      • 1...Kxd6
        • 2.Sf7#
      • 1...Kxf6
        • 2.Sd7#
      • 1...Kd4!
    • 1.Sf7+?
      • 1...Kf4
        • 2.Qf3#
      • 1...Kxf6
        • 2.Rf3#
      • 1...Kd4!
    • 1.Rd3?
      • 1...Kf4
        • 2.Sg6#
      • 1...Kxf6!
    • 1.Qf2?
      • 1...Kxd6
        • 2.Qd4#
      • 1...Kxe4!
  • Keys
    • 1.Sb8!
      • 1...Kd4
        • 2.Sc6#
      • 1...Kf4
        • 2.Sg6#
      • 1...Kxd6
        • 2.Sf7#
      • 1...Kxf6
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(I)
  • Tries
    • Try
      • K(F);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(I)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT,XP(G)::S(I)
        • K(a);S_FLIGHT,XP(H)::S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(I);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);S_FLIGHT,XP(H)::R(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(C);
      • Vars
        • K(a);S_FLIGHT::S(I)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT,XP(G)::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT::S(E)
      • K(a);S_FLIGHT::S(I)
      • K(a);S_FLIGHT,XP(G)::S(I)
      • K(a);S_FLIGHT,XP(H)::S(E)
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