MESON Chess Problem Database

Problem Display
PID: 19438 (8/5p2/N4Q2/1p1kN3/8/2ppPK2/b7/6b1 w - - 0 1)

Mikan, Ilja

Nova Svoboda, 1946

8/5p2/N4Q2/1p1kN3/8/2ppPK2/b7/6b1

#2

5 + 7

5505 Dobrodruzstvi 64 poli 1973

SOLUTION

  • SOUND
  • Tries
    • 1.Sd7?
      • threat
        • 2.Sb6#
      • 1...Kc4
        • 2.Qxf7#
      • 1...Bxe3!
    • 1.Qe7?
      • threat
        • 2.Sb4#
        • 2.Sc7#
      • 1...b4
        • 2.Sxb4#
        • 2.Sc7#
      • 1...Bxe3!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sb6#
      • 1...Kxc4
        • 2.Qxf7#
      • 1...Bxe3
        • 2.Sxe3#
      • 1...Bxc4
        • 2.e4#
      • 1...bxc4
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • K(f);S_FLIGHT::QAB(E),XP(g)
      • Refutation
        • B(a);XP(A)
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Refutation
        • B(a);XP(A)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(f);S_FLIGHT,XS(C)::QAB(E),XP(g)
      • B(a);XP(A)::S(C),XB(a)
      • B(b);SBLOCK,XS(C)::P(A)
      • P(e);SBLOCK,XS(C)::P(A)
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