MESON Chess Problem Database

Problem Display
PID: 77404 (BQ6/1N1p4/1pp5/3P4/p1k5/p7/P1NK4/3R4 w - - 0 1)

Harriott, Father B

The Tablet, 1951

(First published on Sat Nov 24 1951)

BQ6/1N1p4/1pp5/3P4/p1k5/p7/P1NK4/3R4

#2

8 + 6

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Sd6#
  • Tries
    • 1.Se3+?
      • 1...Kb4
        • 2.Rb1#
      • 1...Kd4
        • 2.Qf4#
      • 1...Kb5!
    • 1.Qg3?
      • threat
        • 2.Qd3#
      • 1...Kb5
        • 2.Qd3#
      • 1...Kxd5!
    • 1.Qf4+?
      • 1...Kb5
        • 2.Qf1#
      • 1...Kxd5!
    • 1.Qe5?
      • 1...Kb5
        • 2.Qe2#
      • 1...cxd5
        • 2.Qe2#
      • 1...b5
        • 2.Qd4#
        • 2.Qe4#
      • 1...c5
        • 2.Sd6#
      • 1...d6!
  • Keys
    • 1.Qe8!
      • 1...Kb5
        • 2.Qe2#
      • 1...Kxd5
        • 2.Kc3#
      • 1...cxd5
        • 2.Qe2#
      • 1...b5
        • 2.Qe4#
      • 1...c5
        • 2.Sd6#
      • 1...d6
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(e);SBLOCK::S(F)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(c);P-FLIGHT::R(A)
        • K(c);P-FLIGHT::QAR2(H)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(H);
      • Threat
        • QAB1(H)
      • Vars
        • K(c);S_FLIGHT::QAB(H)
      • Refutation
        • K(c);S_FLIGHT,XP(E)
    • Try
      • Q(H);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB(H)
      • Refutation
        • K(c);S_FLIGHT,XP(E)
    • Try
      • Q(H);
      • Vars
        • K(c);S_FLIGHT::QAB(H)
        • P(e);SBLOCK,XP(E)::QAB(H)
        • P(e);SBLOCK::S(F)
      • Refutation
        • P(f);
  • Actual
    • Q(H);
    • Vars
      • K(c);S_FLIGHT::QAB(H)
      • K(c);S_FLIGHT,XP(E)::R(A)+K(D)
      • P(e);SBLOCK,XP(E)::QAB(H)
      • P(d);SBLOCK::QAR2(H)
      • P(e);SBLOCK::S(F)
      • P(f);OGATE::QAR2(H),XP(e)
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