MESON Chess Problem Database

Problem Display
PID: 145134 (8/8/2pP4/2P1k2p/5N2/7K/QpBP3B/1r6 w - - 0 1)

Eighch, Eustace

Daily Telegraph, 1928

(First published on Sat Dec 1 1928)

8/8/2pP4/2P1k2p/5N2/7K/QpBP3B/1r6

#2

8 + 5

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Se6#
    • 1...Ra1
      • 2.Qxb2#
    • 1...Rc1
      • 2.Qxb2#
    • 1...Rd1
      • 2.Qxb2#
    • 1...Re1
      • 2.Qxb2#
    • 1...Rf1
      • 2.Qxb2#
    • 1...Rg1
      • 2.Qxb2#
    • 1...Rh1
      • 2.Qxb2#
  • Tries
    • 1.Bxb1?
      • threat
        • 2.Qxb2#
      • 1...Kd4
        • 2.Se6#
      • 1...Kf6!
    • 1.Qb3?
      • threat
        • 2.Qc3#
      • 1...Kd4
        • 2.Se6#
        • 2.Qc3#
      • 1...Kf6!
    • 1.Qc4?
      • threat
        • 2.Sxh5#
        • 2.Qc3#
      • 1...Rf1
        • 2.Qc3#
      • 1...Rg1
        • 2.Qc3#
      • 1...Rh1
        • 2.Qc3#
      • 1...h4
        • 2.Sh5#
        • 2.Qc3#
      • 1...Kf6!
    • 1.Qd5+?
      • 1...Kf6
        • 2.Sxh5#
      • 1...cxd5!
    • 1.Qa3?
      • threat
        • 2.Qc3#
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf6!
    • 1.Qa5?
      • threat
        • 2.Qc3#
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf6!
  • Keys
    • 1.Kh4!
      • 1...Kd4
        • 2.Se6#
      • 1...Kf6
        • 2.Sxh5#
      • 1...Ra1
        • 2.Qxb2#
      • 1...Rc1
        • 2.Qxb2#
      • 1...Rd1
        • 2.Qxb2#
      • 1...Re1
        • 2.Qxb2#
      • 1...Rf1
        • 2.Qxb2#
      • 1...Rg1
        • 2.Qxb2#
      • 1...Rh1
        • 2.Qxb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::S(F)
    • R(a);N_GUARD::QAB(A),XP(b)
    • R(a);N_GUARD,P_PINB(D)::QAB(A),XP(b)
  • Tries
    • Try
      • B(B);XR(a)
      • Threat
        • QAB(A),XP(b)
      • Vars
        • K(c);S_FLIGHT::S(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);::QAB(A)
        • R(a);P_PINB(D)::QAB(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::S(F),XP(d)
      • Refutation
        • P(e);XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • K(E);P-FLIGHT
    • Vars
      • K(c);S_FLIGHT::S(F)
      • K(c);S_FLIGHT::S(F),XP(d)
      • R(a);N_GUARD::QAB(A),XP(b)
      • R(a);N_GUARD,P_PINB(D)::QAB(A),XP(b)
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