MESON Chess Problem Database

Problem Display
PID: 19464 (5K2/p7/5Nk1/r7/5Q2/8/8/2B5 w - - 0 1)

Goldschmeding, Cornelis

4th HM., Israel Ring Ty., 1953-1954

5K2/p7/5Nk1/r7/5Q2/8/8/2B5

#2

4 + 3

5978 Jerusalem Post 1954
2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
3310 2345 Chess Problems 1997
56 The Problemist 2006

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qg5#
    • 1...Ra2
      • 2.Qg5#
    • 1...Ra3
      • 2.Qg5#
    • 1...Ra4
      • 2.Qg5#
    • 1...Rf5
      • 2.Qh6#
    • 1...Rg5
      • 2.Qxg5#
    • 1...Ra6
      • 2.Qg5#
  • Tries
    • 1.Qg4+?
      • 1...Rg5
        • 2.Qxg5#
      • 1...Kxf6!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qf7#
      • 1...Kh5
        • 2.Qg5#
      • 1...Kh7
        • 2.Qh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • R(a);N_GUARD::QAR1(B)
    • R(a);P_PINS(C),SBLOCK::QAR1(B)
    • R(a);N_GUARD::QAR1(B),XR(a)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • R(a);N_GUARD,P_SPINR(a)::QAR1(B),XR(a)
      • Refutation
        • K(b);P-FLIGHT,XS(C)
  • Actual
    • S(C);
    • Threat
      • QAB1(B)
    • Vars
      • K(b);S_FLIGHT::QAR1(B)
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