MESON Chess Problem Database

Problem Display
PID: 276386 (3nN1B1/2P2nK1/1p2rpN1/3k4/1P4Q1/8/8/8 w - - 0 1)

August, Hugo

Western Morning News, 1926

(First published on Sat Jul 31 1926)

3nN1B1/2P2nK1/1p2rpN1/3k4/1P4Q1/8/8/8

#2

7 + 6

15239 Valois Notebooks 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Se5
      • 2.Se7#
  • Keys
    • 1.c8Q!
      • threat
        • 2.Qgc4#
        • 2.Qcc4#
      • 1...Rxe8
        • 2.Qcd7#
      • 1...Re4
        • 2.Qgd7#
      • 1...Rc6
        • 2.Qcf5#
      • 1...Se5
        • 2.Se7#
      • 1...Sd6
        • 2.Sxf6#
      • 1...Sc6
        • 2.Qcxe6#
      • 1...b5
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(e);P_SPINR(c),SBLOCK::S(C)
  • Actual
    • P(D);
    • Threat
      • DUALS(2)
    • Vars
      • R(c);N_GUARD,P_SPINS(e),XS(F)::QAR2(D)
      • R(c);OGATE,P_SPINS(e),SBLOCK::QAR2(B)
      • R(c);OGATE,P_SPINS(e),SBLOCK::QAR2(D)
      • S(e);P_SPINR(c),SBLOCK::S(C)
      • S(e);P_SPINR(c),SBLOCK::S(F),XP(d)
      • S(f);N_GUARD::QAB1(D),XR(c)
      • P(b);N_GUARD::QAR1(D)
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