MESON Chess Problem Database

Problem Display
PID: 276388 (2N5/3nK3/PPk5/pppppp2/8/5R1B/Q1N2B2/8 w - - 0 1)

Kipping, Cyril Stanley

Western Morning News, 1926

(First published on Sat Aug 7 1926)

2N5/3nK3/PPk5/pppppp2/8/5R1B/Q1N2B2/8

#2

9 + 8

15239 Valois Notebooks 2024

SOLUTION

  • SOUND
  • Sets
    • 1...b4
      • 2.Qa4#
    • 1...c4
      • 2.Sa7#
    • 1...d4
      • 2.Qe6#
    • 1...f4
      • 2.Bxd7#
  • Tries
    • 1.Sb4+?
      • 1...cxb4
        • 2.Sa7#
      • 1...axb4!
    • 1.Qxa5?
      • threat
        • 2.Sa7#
      • 1...Sxb6
        • 2.Qxb6#
      • 1...d4!
  • Keys
    • 1.Rc3!
      • 1...Sxb6
        • 2.Rxc5#
      • 1...b4
        • 2.Qa4#
      • 1...Sf6
        • 2.Rxc5#
      • 1...Sb8
        • 2.Rxc5#
      • 1...Sf8
        • 2.Rxc5#
      • 1...a4
        • 2.Sb4#
      • 1...c4
        • 2.Sa7#
      • 1...d4
        • 2.Qe6#
      • 1...e4
        • 2.Sd4#
      • 1...f4
        • 2.Bxd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB::QAB(A)
    • P(c);::S(I)
    • P(d);OGATE::QAR2(A)
    • P(f);OGATE::B(E),XS(h)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • P(c);XS(B)::S(I)
      • Refutation
        • P(a);XS(B)
    • Try
      • Q(A);XP(a)
      • Threat
        • S(I)
      • Vars
        • S(h);OGATE,XP(G)::QAR1(A),XS(h)
      • Refutation
        • P(d);
  • Actual
    • R(D);P_PINP(c)
    • Vars
      • S(h);N_GUARD,XP(G)::R1(D),XP(c)
      • P(b);OGATEB::QAB(A)
      • S(h);N_GUARD::R1(D),XP(c)
      • P(a);N_GUARD::S(B)
      • P(c);::S(I)
      • P(d);OGATE::QAR2(A)
      • P(e);N_GUARD::S(B)
      • P(f);OGATE::B(E),XS(h)
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