MESON Chess Problem Database

Problem Display
PID: 2230 (8/5KpN/2pR4/2Bn4/4kpP1/8/5Q2/8 w - - 0 1)

Cook, Eugene Beauharnais

Source?, 0000

8/5KpN/2pR4/2Bn4/4kpP1/8/5Q2/8

#2

6 + 5

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Re6#
      • 2.Qd4#
    • 1...Sb4
      • 2.Qe2#
    • 1...Sb6
      • 2.Qe2#
    • 1...Sf6
      • 2.Qe2#
    • 1...Sc7
      • 2.Qe2#
    • 1...Se7
      • 2.Qe2#
    • 1...f3
      • 2.Qd4#
  • Tries
    • 1.Sg5+?
      • 1...Ke5
        • 2.Re6#
        • 2.Qd4#
      • 1...Kd3!
    • 1.Qc2+?
      • 1...Ke5
        • 2.Re6#
        • 2.Qf5#
      • 1...Kf3!
    • 1.Qf3+?
      • 1...Ke5
        • 2.Re6#
      • 1...Kxf3!
  • Keys
    • 1.Rxd5!
      • 1...Kxd5
        • 2.Qd4#
      • 1...cxd5
        • 2.Qe2#
      • 1...f3
        • 2.Qd4#
      • 1...g5
        • 2.Sf6#
      • 1...g6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • S(c);N_GUARD::QAR2(A)
    • P(b);SBLOCK::QAR1(A)
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • K(a);P_SPINS(c),S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::R1(D)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • R(D);XS(c)
    • Vars
      • K(a);S_FLIGHT,XR(D)::QAR1(A)
      • P(d);SBLOCK,XR(D)::QAR2(A)
      • P(b);SBLOCK::QAR1(A)
      • P(e);N_GUARD::S(F)
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