MESON Chess Problem Database

Problem Display
PID: 124272 (5K2/8/5N2/8/7N/4B2p/5Q1p/3bRrnk w - - 0 1)

Keller, Izabella

Comm., Revista Romana de Sah TT, 1934

(First published on Wed Oct 31 1934)

5K2/8/5N2/8/7N/4B2p/5Q1p/3bRrnk

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.Qf3#
  • Tries
    • 1.Sf5?
      • threat
        • 2.Sg3#
      • 1...Se2
        • 2.Qf3#
      • 1...Rxf2!
  • Keys
    • 1.Se4!
      • threat
        • 2.Sg3#
      • 1...Rxf2+
        • 2.Sxf2#
      • 1...Se2
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD,P_SPINR(b),S_CUTB(a)::QAB(B)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • S(c);N_GUARD,P_SPINR(b),S_CUTB(a)::QAB(B)
      • Refutation
        • R(b);P_SPINS(c),XQ(B)
  • Actual
    • S(E);P_SPINQ(B)
    • Threat
      • S(E)
    • Vars
      • R(b);CHECK,P_SPINS(c),XQ(B)::S(E),XR(b)
      • S(c);N_GUARD,P_SPINR(b),S_CUTB(a)::QAB(B)
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