MESON Chess Problem Database

Problem Display
PID: 85804 (Q7/8/8/8/6p1/2K5/5Br1/7k w - - 0 1)

Speckmann, Werner

Karpati Igaz Szo, 1969

Q7/8/8/8/6p1/2K5/5Br1/7k

#2

3 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kh2
      • 2.Qh8#
  • Tries
    • 1.Kb2?
      • 1...Kh2
        • 2.Qh8#
      • 1...g3!
    • 1.Kc2?
      • 1...Kh2
        • 2.Qh8#
      • 1...g3!
    • 1.Kd2?
      • 1...Kh2
        • 2.Qh8#
      • 1...g3!
    • 1.Kb3?
      • 1...Kh2
        • 2.Qh8#
      • 1...g3!
    • 1.Kd3?
      • 1...Kh2
        • 2.Qh8#
      • 1...g3!
    • 1.Kb4?
      • 1...Kh2
        • 2.Qh8#
      • 1...g3!
    • 1.Kc4?
      • 1...Kh2
        • 2.Qh8#
      • 1...g3!
    • 1.Kd4?
      • 1...Kh2
        • 2.Qh8#
      • 1...g3!
    • 1.Qe4?
      • 1...Kh2
        • 2.Qh7#
      • 1...g3!
    • 1.Qd5?
      • 1...Kh2
        • 2.Qh5#
      • 1...g3!
    • 1.Qc6?
      • 1...Kh2
        • 2.Qh6#
      • 1...g3!
    • 1.Qb7?
      • 1...Kh2
        • 2.Qh7#
      • 1...g3!
    • 1.Qa1+?
      • 1...Rg1
        • 2.Qxg1#
      • 1...Kh2!
  • Keys
    • 1.Bg3!
      • 1...Kg1
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);N_SPINR(b),P-FLIGHT::QAR(C)
  • Tries
    • Try
      • K(B);P_SPINB(A),S_FLIGHT
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::QAR(C)
      • Refutation
        • P(c);
    • Try
      • K(B);P-FLIGHT,P_SPINB(A)
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::QAR(C)
      • Refutation
        • P(c);
    • Try
      • K(B);P_SPINB(A),S_FLIGHT
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::QAR(C)
      • Refutation
        • P(c);
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::QAR(C)
      • Refutation
        • P(c);
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::QAR(C)
      • Refutation
        • P(c);
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::QAR(C)
      • Refutation
        • P(c);
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::QAR(C)
      • Refutation
        • P(c);
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::QAR(C)
      • Refutation
        • P(c);
    • Try
      • Q(C);
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::QAR(C)
      • Refutation
        • P(c);
    • Try
      • Q(C);
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::QAR(C)
      • Refutation
        • P(c);
    • Try
      • Q(C);
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::QAR(C)
      • Refutation
        • P(c);
    • Try
      • Q(C);
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::QAR(C)
      • Refutation
        • P(c);
    • Try
      • Q(C);CHECK,N_PINR(b)
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::QAR1(C),XR(b)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(a);N_SPINR(b),P-FLIGHT::QAR(C)
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