MESON Chess Problem Database

Problem Display
PID: 53505 (3n2Q1/8/8/5p2/R7/4pk1P/8/4K3 w - - 0 1)

Wenzl, Theodore C

The Chess Review, 1934

3n2Q1/8/8/5p2/R7/4pk1P/8/4K3

#2

4 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Qg4#
  • Keys
    • 1.Rg4!
      • threat
        • 2.Qd5#
      • 1...fxg4
        • 2.Qxg4#
      • 1...e2
        • 2.Qb3#
      • 1...Se6
        • 2.Qa8#
      • 1...Sf7
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(c);N_GUARD::QAB1(D)
  • Actual
    • R(C);
    • Threat
      • QAB(D)
    • Vars
      • P(c);OGATE,XR(C)::QAB1(D),XP(c)
      • P(a);OGATEB::QAR(D)
      • S(d);OGATE::QAB(D)
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