MESON Chess Problem Database

Problem Display
PID: 152944 (8/1K4B1/8/3R1p2/1Nk1p3/P4q1r/3P1n2/1Q6 w - - 0 1)

Blaine, Harry (Harley, Brian)

Morning Post, 1934

(First published on Mon Dec 10 1934)

8/1K4B1/8/3R1p2/1Nk1p3/P4q1r/3P1n2/1Q6

#2

7 + 6

15290 Harley Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Qa2#
      • 2.Qc2#
    • 1...e3
      • 2.Qa2#
      • 2.Qc2#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Rd4#
        • 2.Rc5#
        • 2.Qa2#
        • 2.Qb5#
      • 1...Qxd3
        • 2.Qb5#
      • 1...Sxd3
        • 2.Qa2#
        • 2.Qb5#
      • 1...exd3
        • 2.Qa2#
        • 2.Qb5#
      • 1...Qd1
        • 2.Rd4#
        • 2.Rc5#
        • 2.Qb5#
      • 1...Qe3
        • 2.Qa2#
        • 2.Qb5#
      • 1...e3
        • 2.Qa2#
        • 2.Qb5#
      • 1...Kxd5!
    • 1.Rd4+?
      • 1...Kc5
        • 2.Sa6#
      • 1...Kb5!
    • 1.d3+?
      • 1...Sxd3
        • 2.Qa2#
        • 2.Qc2#
      • 1...exd3
        • 2.Qa2#
      • 1...Qxd3!
  • Keys
    • 1.d4!
      • threat
        • 2.Rc5#
      • 1...Kc3
        • 2.Qc2#
      • 1...exd4 ep
        • 2.Qa2#
      • 1...Sd3
        • 2.Qc2#
      • 1...e3
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(4)
      • Vars
        • Q(b);XS(D)::QAB1(A)
      • Refutation
        • K(d);S_FLIGHT,XR(E)
    • Try
      • R(E);CHECK
      • Vars
        • K(d);P-FLIGHT::S(D)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • P(B);CHECK
      • Vars
        • P(e);P_PINR(E),XP(B)::QAB(A)
      • Refutation
        • Q(b);XP(B)
  • Actual
    • P(B);
    • Threat
      • R1(E)
    • Vars
      • K(d);P-FLIGHT::QAR1(A)
      • P(e);EP,P_PINR(E),S_CUTQ(b),XP(B)::QAB(A)
      • S(a);S_CUTQ(b)::QAR2(A)
      • P(e);P_PINR(E),S_CUTQ(b)::QAR2(A)
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