MESON Chess Problem Database

Problem Display
PID: 78112 (qQ6/Pp1B4/k7/N1p5/2K5/1PPP4/R7/8 w - - 0 1)

Rice, John Michael

The Tablet, 1956

(First published on Sat Feb 18 1956)

qQ6/Pp1B4/k7/N1p5/2K5/1PPP4/R7/8

#2

9 + 4

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...b5+
      • 2.Bxb5#
    • 1...b6
      • 2.Sc6#
      • 2.Sb7#
      • 2.Bb5#
  • Tries
    • 1.Kxc5?
      • threat
        • 2.Sc4#
        • 2.Sc6#
        • 2.Sxb7#
        • 2.Bb5#
      • 1...b6+
        • 2.Qxb6#
      • 1...Qxb8
        • 2.Sc4#
        • 2.Sc6#
      • 1...b5
        • 2.Sc4#
        • 2.Sc6#
        • 2.Sb7#
        • 2.Bxb5#
        • 2.Qb6#
      • 1...Qxa7+!
    • 1.Qc7?
      • threat
        • 2.Sc6#
        • 2.Sxb7#
      • 1...b5+
        • 2.Bxb5#
      • 1...Kxa7
        • 2.Sc6#
        • 2.Sxb7#
      • 1...b6
        • 2.Sc6#
        • 2.Sb7#
        • 2.Bb5#
      • 1...Qg8+!
    • 1.Qxa8?
      • threat
        • 2.Qxb7#
      • 1...Kb6
        • 2.Qxb7#
      • 1...b6
        • 2.Sc6#
        • 2.Sb7#
        • 2.Bb5#
        • 2.Bc8#
        • 2.Qb7#
      • 1...b5+!
  • Keys
    • 1.Kd5!
      • threat
        • 2.Sc4#
      • 1...b5+
        • 2.Sc6#
      • 1...b6+
        • 2.Sb7#
      • 1...Kb6
        • 2.Sc4#
      • 1...c4
        • 2.Sxc4#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(c);CHECK::B(H),XP(c)
  • Tries
    • Try
      • K(E);P-FLIGHT,XP(a)
      • Threat
        • DUALS(4)
      • Vars
        • P(c);CHECK,OGATE::QAR1(I),XP(c)
      • Refutation
        • Q(d);CHECK,XP(G)
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);CHECK::B(H),XP(c)
      • Refutation
        • Q(d);CHECK
    • Try
      • Q(I);XQ(d)
      • Threat
        • QAB1(I),XP(c)
      • Vars
        • K(b);P-FLIGHT::QAR1(I),XP(c)
      • Refutation
        • P(c);CHECK
  • Actual
    • K(E);S_FLIGHT
    • Threat
      • R(A)+S(F)
    • Vars
      • P(c);CHECK::R(A)+S(F)
      • P(c);CHECK,SBLOCK::R(A)+S(F)
      • K(b);P-FLIGHT,P_SPINP(c)::S(F)
      • P(a);::R(A)+S(F),XP(a)
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