MESON Chess Problem Database

Problem Display
PID: 120673 (Q2n2b1/2p5/8/1p3B2/pBkN4/8/2N5/1K6 w - - 0 1)

Miltner, Vratislav

Svobodne Slovo, 1971

Q2n2b1/2p5/8/1p3B2/pBkN4/8/2N5/1K6

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc6
      • 2.Qxc6#
      • 2.Qxg8#
    • 1...Sb7
      • 2.Qxg8#
    • 1...Sf7
      • 2.Qc6#
  • Tries
    • 1.Sa3+?
      • 1...Kxd4
        • 2.Qe4#
      • 1...Kxb4!
    • 1.Se3+?
      • 1...Kxd4
        • 2.Qe4#
      • 1...Kxb4!
    • 1.Sf3?
      • threat
        • 2.Sd2#
      • 1...Kb3
        • 2.Sd2#
      • 1...Sc6
        • 2.Qxg8#
      • 1...Sb7
        • 2.Qxg8#
      • 1...c6!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Sa5#
      • 1...Kb3
        • 2.Sa5#
      • 1...Kd5
        • 2.Se3#
      • 1...Sxc6
        • 2.Qxg8#
      • 1...Sb7
        • 2.Qxg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(e);OGATE::QAB(F),XB(f)
    • S(e);N_GUARD::QAR2(F)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(b);P-FLIGHT,XS(D)::QAR1(F)
      • Refutation
        • K(b);P-FLIGHT,XB(C)
    • Try
      • S(B);CHECK
      • Vars
        • K(b);P-FLIGHT,XS(D)::QAR1(F)
      • Refutation
        • K(b);P-FLIGHT,XB(C)
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • K(b);S_FLIGHT::S(D)
        • S(e);OGATE::QAB(F),XB(f)
      • Refutation
        • P(d);
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(b);S_FLIGHT::S(D)
      • K(b);S_FLIGHT::S(B)
      • S(e);OGATE,XS(D)::QAB(F),XB(f)
      • S(e);OGATE::QAB(F),XB(f)
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