MESON Chess Problem Database

Problem Display
PID: 9364 (8/3Q4/2pp4/1P1k4/8/2B2P2/K3P3/8 w - - 0 1)

Kuneticky, Otokar

Narodni listy, 1901

8/3Q4/2pp4/1P1k4/8/2B2P2/K3P3/8

#2

6 + 3

3360 Simple Two-move Themes 1924

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qxc6#
    • 1...Kc5
      • 2.Qxc6#
    • 1...c5
      • 2.Qf7#
  • Tries
    • 1.Kb2?
      • 1...Kc4
        • 2.Qxc6#
      • 1...Kc5
        • 2.Qxc6#
      • 1...c5
        • 2.Qf7#
      • 1...cxb5!
    • 1.Ka3?
      • 1...Kc4
        • 2.Qxc6#
      • 1...Kc5
        • 2.Qxc6#
      • 1...c5
        • 2.Qf7#
      • 1...cxb5!
    • 1.Kb3?
      • threat
        • 2.Qf5#
      • 1...Kc5
        • 2.Qxc6#
      • 1...cxb5!
    • 1.Qe8?
      • 1...Kc4
        • 2.Qxc6#
      • 1...Kc5
        • 2.Qxc6#
      • 1...c5
        • 2.Qf7#
        • 2.Qe4#
        • 2.Qg8#
      • 1...cxb5!
    • 1.Qxd6+?
      • 1...Kc4
        • 2.Qxc6#
      • 1...Kxd6!
    • 1.Qb7?
      • 1...Kc4
        • 2.Qxc6#
      • 1...Kc5
        • 2.Qxc6#
      • 1...Ke6!
    • 1.e4+?
      • 1...Kc5
        • 2.Qxc6#
      • 1...Kc4!
  • Keys
    • 1.Qc8!
      • 1...Kc4
        • 2.Qxc6#
      • 1...Kc5
        • 2.Qxc6#
      • 1...cxb5
        • 2.e4#
      • 1...c5
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);N_SPINP(c),S_FLIGHT::QAR2(F),XP(b)
    • K(a);N_SPINP(c),P-FLIGHT::QAR1(F),XP(b)
    • P(b);SBLOCK::QAB(F)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);N_SPINP(c),S_FLIGHT::QAR2(F),XP(b)
        • K(a);N_SPINP(c),P-FLIGHT::QAR1(F),XP(b)
        • P(b);SBLOCK::QAB(F)
      • Refutation
        • P(b);XP(E)
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);N_SPINP(c),S_FLIGHT::QAR2(F),XP(b)
        • K(a);N_SPINP(c),P-FLIGHT::QAR1(F),XP(b)
        • P(b);SBLOCK::QAB(F)
      • Refutation
        • P(b);XP(E)
    • Try
      • K(A);S_FLIGHT
      • Threat
        • QAR2(F)
      • Vars
        • K(a);N_SPINP(c),P-FLIGHT::QAR1(F),XP(b)
      • Refutation
        • P(b);XP(E)
    • Try
      • Q(F);N_PINP(c)
      • Vars
        • K(a);S_FLIGHT::QAR2(F),XP(b)
        • K(a);P-FLIGHT::QAR1(F),XP(b)
      • Refutation
        • P(b);XP(E)
    • Try
      • Q(F);CHECK,XP(c)
      • Vars
        • K(a);S_FLIGHT::QAR2(F),XP(b)
      • Refutation
        • K(a);P-FLIGHT,XQ(F)
    • Try
      • Q(F);N_PINP(c),P_PINP(b)
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::QAR2(F),XP(b)
        • K(a);N_SPINP(b),P-FLIGHT::QAR1(F),XP(b)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • P(B);CHECK
      • Vars
        • K(a);N_SPINP(c),P-FLIGHT::QAR1(F),XP(b)
      • Refutation
        • K(a);N_SPINP(c),S_FLIGHT
  • Actual
    • Q(F);N_PINP(c)
    • Vars
      • K(a);P_SPINP(b),S_FLIGHT::QAR2(F),XP(b)
      • K(a);P-FLIGHT,P_SPINP(b)::QAR1(F),XP(b)
      • P(b);XP(E)::P(B)
      • P(b);SBLOCK::QAB(F)
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