MESON Chess Problem Database

Problem Display
PID: 92230 (8/6N1/8/3p4/P2k1NR1/1P1p4/3p4/K2B3Q w - - 0 1)

Kisis, Imants J

Schach, 1966

8/6N1/8/3p4/P2k1NR1/1P1p4/3p4/K2B3Q

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Sxd5#
  • Tries
    • 1.Sxd3+?
      • 1...Kxd3
        • 2.Qf3#
        • 2.Qh3#
      • 1...Ke3
        • 2.Qf3#
        • 2.Qh3#
      • 1...Kc3!
    • 1.Sge6+?
      • 1...Kc3
        • 2.Sxd5#
      • 1...Ke3
        • 2.Qf3#
      • 1...Ke5!
    • 1.Qxd5+?
      • 1...Kc3
        • 2.Qc4#
        • 2.Qc5#
      • 1...Ke3!
    • 1.Qg1+?
      • 1...Kc3
        • 2.Sxd5#
        • 2.Qc5#
      • 1...Ke4
        • 2.Sg6#
      • 1...Ke5!
    • 1.Qh2?
      • 1...Kc3
        • 2.Sxd5#
      • 1...Ke3
        • 2.Sxd5#
      • 1...Ke4
        • 2.Sg2#
      • 1...Ke5
        • 2.Sfh5#
      • 1...Kc5!
  • Keys
    • 1.Qh6!
      • 1...Kc3
        • 2.Sxd5#
      • 1...Ke3
        • 2.Sh3#
      • 1...Ke4
        • 2.Sg6#
      • 1...Kc5
        • 2.Sxd3#
      • 1...Ke5
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::S(F),XP(d)
  • Tries
    • Try
      • S(F);CHECK,XP(b)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(H);CHECK
      • Vars
        • K(c);S_FLIGHT::S(F),XP(d)
        • K(c);S_FLIGHT::QAR1(C)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);CHECK,XP(d)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);P-FLIGHT::R(G)+S(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(c);S_FLIGHT::S(F),XP(d)
        • K(c);P-FLIGHT::R(G)+S(F)
        • K(c);S_FLIGHT::QAB(C)+S(F)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(c);S_FLIGHT::S(F),XP(d)
      • K(c);S_FLIGHT::QAB(C)+S(F)
      • K(c);P-FLIGHT::R(G)+S(F)
      • K(c);S_FLIGHT::S(F),XP(b)
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