MESON Chess Problem Database

Problem Display
PID: 93789 (8/1p2p1Kb/4P1p1/3pk1p1/1Q3Np1/5pN1/3P1n2/8 w - - 0 1)

Jerabeck, Julius

Ceske listy sachove, 1900

8/1p2p1Kb/4P1p1/3pk1p1/1Q3Np1/5pN1/3P1n2/8

#2

6 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sxg6+?
      • 1...Kxe6
        • 2.Qxe7#
      • 1...Bxg6!
    • 1.Qc3+?
      • 1...Kxf4
        • 2.Qc7#
      • 1...d4
        • 2.Qc7#
      • 1...Kd6!
  • Keys
    • 1.Qb6!
      • 1...Kxf4
        • 2.Qc7#
      • 1...gxf4
        • 2.d4#
      • 1...Bg8
        • 2.Sxg6#
      • 1...Sd1
        • 2.Sd3#
      • 1...Sh1
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#
      • 1...Sh3
        • 2.Sd3#
      • 1...Se4
        • 2.Sd3#
      • 1...d4
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK,XP(g)
      • Vars
        • K(e);P-FLIGHT,XP(E)::QAR1(C),XP(i)
      • Refutation
        • B(j);XS(D)
    • Try
      • Q(C);CHECK
      • Vars
        • K(e);S_FLIGHT,XS(D)::QAB(C)
        • P(d);P_SPINP(d),SBLOCK::QAB(C)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(e);S_FLIGHT,XS(D)::QAB(C)
      • P(f);SBLOCK,XS(D)::P(A)
      • B(j);N_GUARD::S(D),XP(g)
      • S(a);N_GUARD::S(D)
      • S(a);N_GUARD::S(D),XS(a)
      • P(d);SBLOCK::QAB(C)
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