MESON Chess Problem Database

Problem Display
PID: 121388 (8/8/2Q3B1/2N5/5p2/1K2pN2/4k1pp/5bbr w - - 0 1)

Mikan, Ilja

Straz lidu, 1949

8/8/2Q3B1/2N5/5p2/1K2pN2/4k1pp/5bbr

#2

5 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Kc2?
      • 1...Bf2
        • 2.Bd3#
      • 1...Kf2!
    • 1.Sd3?
      • 1...Kd1
        • 2.Qc2#
      • 1...Bf2!
    • 1.Sa4?
      • 1...Kd1
        • 2.Qc2#
      • 1...Bf2
        • 2.Sc3#
      • 1...Kf2!
  • Keys
    • 1.Se4!
      • 1...Kd1
        • 2.Qc2#
      • 1...Kd3
        • 2.Sc3#
        • 2.Sg3#
        • 2.Qb5#
        • 2.Qc2#
        • 2.Qc4#
        • 2.Qa6#
      • 1...Kxf3
        • 2.Bh5#
      • 1...Bf2
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • B(b);SBLOCK::B(E)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • K(d);S_FLIGHT::QAB1(D)
      • Refutation
        • B(b);
    • Try
      • S(C);
      • Vars
        • K(d);S_FLIGHT::QAB1(D)
        • B(b);SBLOCK::S(C)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(d);S_FLIGHT::QAB1(D)
      • K(d);OGATEB,S_FLIGHT,XS(B)::B(E)
      • B(b);SBLOCK::S(C)
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