MESON Chess Problem Database

Problem Display
PID: 103968 (8/3p3K/1nq3p1/R3N1B1/3k4/1P1N1p2/8/4Q3 w - - 0 1)

Zoltan, Laszlo

Tipografia TE, 1964

8/3p3K/1nq3p1/R3N1B1/3k4/1P1N1p2/8/4Q3

#2

7 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qe4
      • 2.Qa1#
    • 1...Qc3
      • 2.Qh4#
      • 2.Qe3#
  • Tries
    • 1.Qf2+?
      • 1...Kc3
        • 2.Qb2#
      • 1...Ke4!
  • Keys
    • 1.Sb4!
      • threat
        • 2.Qe3#
      • 1...Qe4
        • 2.Qa1#
      • 1...Qc1
        • 2.Sxf3#
      • 1...Qc3
        • 2.Qh4#
      • 1...Sc4
        • 2.Sc2#
      • 1...Sd5
        • 2.Sxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • Q(d);N_GUARD,SBLOCK::QAB(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(C);
    • Threat
      • QAB1(A)
    • Vars
      • Q(d);N_GUARD,SBLOCK::QAB(A)
      • Q(d);N_GUARD::S(E),XP(a)
      • Q(d);N_GUARD,SBLOCK::QAR(A)
      • S(c);S_CUTQ(d)::S(C)
      • S(c);S_CUTQ(d)::S(E),XP(a)
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