MESON Chess Problem Database

Problem Display
PID: 121475 (8/K2p4/3Q4/2NpP3/3k4/N1p1p3/2p4B/2n5 w - - 0 1)

Mikan, Ilja

Sokolske besedy, 1934

8/K2p4/3Q4/2NpP3/3k4/N1p1p3/2p4B/2n5

#2

6 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...e2
      • 2.Bg1#
  • Tries
    • 1.e6?
      • threat
        • 2.Be5#
      • 1...e2
        • 2.Bg1#
      • 1...Sd3!
  • Keys
    • 1.Qg6!
      • 1...Kxc5
        • 2.Qb6#
      • 1...e2
        • 2.Qg1#
      • 1...Sa2
        • 2.Sb3#
      • 1...Se2
        • 2.Sb3#
      • 1...Sb3
        • 2.Sxb3#
      • 1...Sd3
        • 2.Sb3#
      • 1...d6
        • 2.Se6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(d);OGATEB::B(A)
  • Tries
    • Try
      • P(D);
      • Threat
        • B(A)
      • Vars
        • P(d);OGATEB::B(A)
      • Refutation
        • S(a);
  • Actual
    • Q(E);N_PINP(f)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XS(C)::QAB1(E)
      • P(d);OGATEB::QAB(E)
      • S(a);N_GUARD::S(C)
      • S(a);N_GUARD::S(C),XS(a)
      • P(g);N_GUARD::S(C)
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