MESON Chess Problem Database

Problem Display
PID: 86796 (8/3K4/5p2/1p1N1p2/3k4/PQ4P1/3P4/1b6 w - - 0 1)

Chepizhni, Viktor Ivanovich

Dukic, Milenko

Problemas, 1972

8/3K4/5p2/1p1N1p2/3k4/PQ4P1/3P4/1b6

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sxf6?
      • threat
        • 2.Qd5#
        • 2.Qc3#
      • 1...Ke5
        • 2.Qb2#
        • 2.Qc3#
      • 1...Ba2
        • 2.Qc3#
      • 1...Be4
        • 2.Qc3#
      • 1...b4
        • 2.Qd5#
      • 1...Kc5!
    • 1.Qc3+?
      • 1...Ke4
        • 2.Sxf6#
      • 1...Kxd5!
    • 1.Qe3+?
      • 1...Kc4
        • 2.Sb6#
      • 1...Kxd5!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Qd5#
        • 2.Qe3#
      • 1...Ke4
        • 2.Qd5#
        • 2.Qe3#
      • 1...Kc5
        • 2.Qe3#
      • 1...Ke5
        • 2.Qd5#
      • 1...Ba2
        • 2.Qe3#
      • 1...Bd3
        • 2.Qd5#
      • 1...Be4
        • 2.Qc3#
      • 1...f4
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);XP(e)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::QAB1(C)
        • P(c);::QAR1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);P-FLIGHT::S(E),XP(e)
      • Refutation
        • K(b);P-FLIGHT,XS(E)
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);P-FLIGHT::S(E)
      • Refutation
        • K(b);P-FLIGHT,XS(E)
  • Actual
    • S(E);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);S_FLIGHT::QAB(C)
      • K(b);S_FLIGHT::QAR1(C)
      • B(a);::QAB1(C)
      • B(a);SBLOCK::QAR1(C)
      • B(a);SBLOCK::QAB1(C)
      • P(d);::QAR1(C)
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