MESON Chess Problem Database

Problem Display
PID: 268381 (QK2R3/8/5Nn1/6Pb/2ppPk1P/4p1rr/3nq1p1/6N1 w - - 0 1)

Kipping, Cyril Stanley

Sunday Referee, 1929

(First published on Sun May 5 1929)

QK2R3/8/5Nn1/6Pb/2ppPk1P/4p1rr/3nq1p1/6N1

#2

8 + 11

15239 Valois Notebooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Qg4
      • 2.Sd5#
    • 1...Rf3
      • 2.Sxe2#
    • 1...Rg4
      • 2.Sxh5#
    • 1...Bg4
      • 2.Sd5#
    • 1...Sf3
      • 2.Sxe2#
    • 1...Sxe4
      • 2.Qxe4#
  • Keys
    • 1.Qa5!
      • threat
        • 2.Qf5#
      • 1...Rxg5
        • 2.Qxg5#
      • 1...Sxe4
        • 2.Rxe4#
      • 1...Sxh4
        • 2.Qe5#
      • 1...Rf3
        • 2.Sxe2#
      • 1...Rg4
        • 2.Sxh5#
      • 1...Qg4
        • 2.Sd5#
      • 1...Bg4
        • 2.Sd5#
      • 1...Se5
        • 2.Qxe5#
      • 1...Se7
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • Q(b);SBLOCK::S(E)
    • R(e);SBLOCK,S_CUTB(j)::S(A),XQ(b)
    • R(e);SBLOCK,S_CUTQ(b)::S(E),XB(j)
    • B(j);SBLOCK::S(E)
    • S(a);SBLOCK,S_CUTB(j)::S(A),XQ(b)
    • S(a);OGATE,XP(B)::QAR1(F),XS(a)
  • Actual
    • Q(F);
    • Threat
      • QAR1(F)
    • Vars
      • R(e);OGATE,XP(D)::QAB1(F),XR(e)
      • S(a);OGATE,XP(B)::R1(H),XS(a)
      • S(k);N_GUARD,XP(C)::QAB1(F)
      • R(e);SBLOCK,S_CUTB(j)::S(A),XQ(b)
      • R(e);SBLOCK,S_CUTQ(b)::S(E),XB(j)
      • Q(b);SBLOCK::S(E)
      • B(j);SBLOCK::S(E)
      • S(k);N_GUARD::QAB1(F),XS(k)
      • S(k);N_GUARD::QAB(F)
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