MESON Chess Problem Database

Problem Display
PID: 79786 (3b4/8/3p1P2/1Pnk1N1R/1p1B4/8/2P1Q3/3K4 w - - 0 1)

Pituk, Alexander

Magyar Hirlap, 1928

3b4/8/3p1P2/1Pnk1N1R/1p1B4/8/2P1Q3/3K4

#2

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.c4#
  • Tries
    • 1.Sxd6+?
      • 1...Kxd4
        • 2.Qe5#
      • 1...Kxd6!
    • 1.Qe5+?
      • 1...Kc4
        • 2.Sxd6#
      • 1...dxe5!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Se3#
      • 1...Kc4
        • 2.Sxd6#
      • 1...Ke6
        • 2.Sh6#
      • 1...Se4
        • 2.Qg8#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(a);N_GUARD::P(B)
  • Tries
    • Try
      • S(F);CHECK,XP(d)
      • Vars
        • K(c);P-FLIGHT,XB(D)::QAB1(C)
      • Refutation
        • K(c);P-FLIGHT,XS(F)
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);S_FLIGHT::S(F),XP(d)
      • Refutation
        • P(d);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • R(G)+S(F),DCHECK
    • Vars
      • K(c);S_FLIGHT::S(F),XP(d)
      • K(c);S_FLIGHT::QAB(C)+S(F)
      • S(b);N_GUARD,SBLOCK::QAB(C)
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