MESON Chess Problem Database

Problem Display
PID: 18558 (8/2K1p3/2p5/3k1p2/8/3BQ3/8/8 w - - 0 1)

Terebesi, Michael

Schweizerische Schach Journal, 1956

8/2K1p3/2p5/3k1p2/8/3BQ3/8/8

#2

3 + 4

3295 Einfuhrung in die Welt des Schachproblem 1984
3713 Snap 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Qd4+?
      • 1...Ke6
        • 2.Bc4#
      • 1...Kxd4!
    • 1.Qc5+?
      • 1...Ke6
        • 2.Qxf5#
      • 1...Kxc5!
    • 1.Qe4+?
      • 1...Kc5
        • 2.Qc4#
      • 1...fxe4!
  • Keys
    • 1.Qf4!
      • 1...Kc5
        • 2.Qc4#
      • 1...Ke6
        • 2.Qxf5#
      • 1...c5
        • 2.Bc4#
      • 1...e5
        • 2.Qc4#
      • 1...e6
        • 2.Qd6#

Anticipated by 135529(1930)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAB1(B),XP(b)
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • P(b);XQ(B)
  • Actual
    • Q(B);
    • Vars
      • K(a);P-FLIGHT::QAR1(B)
      • K(a);S_FLIGHT::QAB1(B),XP(b)
      • P(c);SBLOCK::B(A)
      • P(d);SBLOCK::QAB1(B)
      • P(d);N_GUARD::QAR1(B)
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