MESON Chess Problem Database

Problem Display
PID: 108617 (8/8/N2Q4/3P4/3k4/K2p3N/P2p2P1/3R4 w - - 0 1)

Kisis, Imants J

Themes-64, 1971

8/8/N2Q4/3P4/3k4/K2p3N/P2p2P1/3R4

#2

8 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Qc5#
    • 1...Ke3
      • 2.Qe5#
    • 1...Kc4
      • 2.Qc5#
  • Tries
    • 1.Kb2?
      • 1...Ke3
        • 2.Qe5#
      • 1...Kc4
        • 2.Qc5#
      • 1...Ke4!
    • 1.Kb3?
      • 1...Ke3
        • 2.Qe5#
      • 1...Ke4!
    • 1.Kb4?
      • 1...Ke3
        • 2.Qe5#
      • 1...Ke4!
    • 1.Sf2?
      • 1...Kc3
        • 2.Qc5#
      • 1...Kc4
        • 2.Qc5#
      • 1...Ke3!
    • 1.Sg5?
      • 1...Kc3
        • 2.Qc5#
      • 1...Kc4
        • 2.Qc5#
      • 1...Ke3!
    • 1.Sb4?
      • 1...Kc3
        • 2.Qc5#
      • 1...Ke3
        • 2.Qe5#
      • 1...Ke4
        • 2.Qf4#
      • 1...Kc4!
    • 1.Rxd2?
      • 1...Kc3
        • 2.Qb4#
      • 1...Ke3
        • 2.Qf4#
      • 1...Kc4
        • 2.Qc5#
      • 1...Ke4!
    • 1.Qe7?
      • 1...Kc3
        • 2.Qc5#
      • 1...Kc4
        • 2.Qc5#
      • 1...Kxd5!
  • Keys
    • 1.Sc7!
      • 1...Kc3
        • 2.Qc5#
      • 1...Ke3
        • 2.Qe5#
      • 1...Kc4
        • 2.Qb4#
      • 1...Ke4
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAR2(H)
    • K(c);P-FLIGHT::QAR1(H)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(c);S_FLIGHT::QAR2(H)
        • K(c);P-FLIGHT::QAR1(H)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(c);S_FLIGHT::QAR2(H)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(c);S_FLIGHT::QAR2(H)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(E);
      • Vars
        • K(c);S_FLIGHT::QAR2(H)
        • K(c);P-FLIGHT::QAR1(H)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(c);S_FLIGHT::QAR2(H)
        • K(c);P-FLIGHT::QAR1(H)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(G);
      • Vars
        • K(c);S_FLIGHT::QAR2(H)
        • K(c);P-FLIGHT::QAR1(H)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • R(A);P_PINP(b),XP(a)
      • Vars
        • K(c);N_SPINP(b),S_FLIGHT::QAB1(H)
        • K(c);N_SPINP(b),P-FLIGHT::QAR1(H)
      • Refutation
        • K(c);N_SPINP(b),P-FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(c);S_FLIGHT::QAR2(H)
        • K(c);P-FLIGHT::QAR1(H)
      • Refutation
        • K(c);P-FLIGHT,XP(F)
  • Actual
    • S(G);
    • Vars
      • K(c);S_FLIGHT::QAR2(H)
      • K(c);P-FLIGHT::QAR1(H)
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