MESON Chess Problem Database

Problem Display
PID: 2254 (3K4/7p/3N2pR/1p3Pk1/1Rp2rP1/4Q3/4P3/8 w - - 0 1)

Cook, Eugene Beauharnais

Source?, 0000

3K4/7p/3N2pR/1p3Pk1/1Rp2rP1/4Q3/4P3/8

#2

8 + 6

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Kxg4
      • 2.Qg1#
    • 1...Kf6
      • 2.Qe7#
  • Tries
    • 1.Se4+?
      • 1...Kxg4
        • 2.Qh3#
      • 1...Kxh6!
    • 1.Sf7+?
      • 1...Kxg4
        • 2.Qh3#
      • 1...Kf6!
    • 1.Rh5+?
      • 1...Kxg4
        • 2.Qh3#
      • 1...Kf6
        • 2.Qe7#
      • 1...gxh5!
    • 1.Qe7+?
      • 1...Kxg4
        • 2.Qh4#
      • 1...Kxh6!
  • Keys
    • 1.f6!
      • 1...Kxg4
        • 2.Qg1#
      • 1...Kxf6
        • 2.Qe7#
      • 1...Kxh6
        • 2.Sf7#
      • 1...c3
        • 2.Qxf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);N_SPINR(b),OGATEB,P-FLIGHT,XP(D)::QAR(B)
    • K(d);N_SPINR(b),P_SPINP(e),S_FLIGHT::QAB1(B)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(d);N_SPINR(b),P-FLIGHT,XP(D)::QAB1(B)
      • Refutation
        • K(d);S_FLIGHT,XR(G)
    • Try
      • S(F);CHECK
      • Vars
        • K(d);N_SPINR(b),P-FLIGHT,XP(D)::QAB1(B)
      • Refutation
        • K(d);N_SPINR(b),P_SPINP(e),S_FLIGHT
    • Try
      • R(G);CHECK
      • Vars
        • K(d);N_SPINR(b),P-FLIGHT,XP(D)::QAB1(B)
        • K(d);N_SPINR(b),S_FLIGHT::QAB1(B)
      • Refutation
        • P(e);XR(G)
    • Try
      • Q(B);CHECK,N_PINR(b)
      • Vars
        • K(d);OGATE,P-FLIGHT,XP(D)::QAR1(B)
      • Refutation
        • K(d);S_FLIGHT,XR(G)
  • Actual
    • P(E);
    • Vars
      • K(d);N_SPINR(b),OGATEB,P-FLIGHT,XP(D)::QAR(B)
      • K(d);N_SPINR(b),OGATEB,P_SPINP(e),S_FLIGHT,XP(E)::QAB1(B)
      • K(d);S_FLIGHT,XR(G)::S(F)
      • P(a);::QAB1(B),XR(b)
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Developed and maintained by Brian Stephenson.
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