MESON Chess Problem Database

Problem Display
PID: 109794 (6K1/p1N2Q1B/1bp5/r1Np4/pBk1p3/8/1R1P4/8 w - - 0 1)

Zuk, Henryk

Szachy, 1976

6K1/p1N2Q1B/1bp5/r1Np4/pBk1p3/8/1R1P4/8

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.S5e6?
      • threat
        • 2.Qf1#
      • 1...Kd3
        • 2.Qf1#
      • 1...e3
        • 2.d3#
      • 1...d4
        • 2.Sc5#
      • 1...Bf2!
    • 1.Rc2+?
      • 1...Kd4
        • 2.Qf6#
        • 2.Qg7#
      • 1...Kxb4!
    • 1.Qf6?
      • threat
        • 2.Qc3#
      • 1...d4
        • 2.Qe6#
        • 2.Qf7#
      • 1...Bxc7!
    • 1.Qg7?
      • threat
        • 2.Qc3#
      • 1...d4
        • 2.Qf7#
      • 1...Bxc7!
  • Keys
    • 1.S7e6!
      • threat
        • 2.Qf1#
      • 1...Kb5
        • 2.Qf1#
      • 1...d4
        • 2.Sc7#
      • 1...e3
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);N_PINP(e)
      • Threat
        • QAB(F)
      • Vars
        • K(b);P_SPINP(c),S_FLIGHT::QAB(F)
        • P(c);N_GUARD::P(B)
        • P(e);SBLOCK::QAB(F)+S(D)
      • Refutation
        • B(f);
    • Try
      • R(A);CHECK
      • Refutation
        • K(b);N_SPINP(e),P-FLIGHT,XB(C)
    • Try
      • Q(F);N_PINP(e)
      • Threat
        • QAR1(F)
      • Refutation
        • B(f);XS(E)
    • Try
      • Q(F);N_PINP(e)
      • Threat
        • QAR1(F)
      • Vars
        • P(e);OGATEB,SBLOCK::QAB(F)
      • Refutation
        • B(f);XS(E)
  • Actual
    • S(E);N_PINP(e)
    • Threat
      • QAB(F)
    • Vars
      • K(b);S_FLIGHT::QAB(F)
      • P(e);SBLOCK::QAB(F)+S(E)
      • P(c);OGATE::B(G)
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