MESON Chess Problem Database

Problem Display
PID: 137172 (8/1p1K4/3p4/3kp3/3p2P1/8/1N1B4/2Q5 w - - 0 1)

Krupicka, Jaroslav

Hlas l'udu, 1970

8/1p1K4/3p4/3kp3/3p2P1/8/1N1B4/2Q5

#2

5 + 5

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qh1#
    • 1...d3
      • 2.Qc4#
    • 1...b5
      • 2.Qc6#
    • 1...b6
      • 2.Qc6#
  • Tries
    • 1.Be1?
      • 1...d3
        • 2.Qc4#
      • 1...e4
        • 2.Qg5#
      • 1...b5
        • 2.Qc6#
      • 1...b6
        • 2.Qc6#
      • 1...Ke4!
    • 1.Bb4?
      • 1...d3
        • 2.Qc4#
      • 1...e4
        • 2.Qg5#
      • 1...b5
        • 2.Qc6#
      • 1...b6
        • 2.Qc6#
      • 1...Ke4!
    • 1.Ba5?
      • 1...d3
        • 2.Qc4#
      • 1...e4
        • 2.Qg5#
      • 1...b5
        • 2.Qc6#
      • 1...b6
        • 2.Qc6#
      • 1...Ke4!
    • 1.Bg5?
      • 1...Ke4
        • 2.Qh1#
      • 1...d3
        • 2.Qc4#
      • 1...b5
        • 2.Qc6#
      • 1...b6
        • 2.Qc6#
      • 1...e4!
    • 1.Qh1+?
      • 1...e4
        • 2.Qh5#
      • 1...Kc5!
    • 1.Qc2?
      • 1...d3
        • 2.Qc4#
      • 1...b5
        • 2.Qc6#
      • 1...b6
        • 2.Qc6#
      • 1...e4!
    • 1.Qc7?
      • 1...d3
        • 2.Qc4#
      • 1...e4
        • 2.Qxd6#
      • 1...b5
        • 2.Qc6#
      • 1...b6
        • 2.Qc6#
      • 1...Ke4!
  • Keys
    • 1.Bh6!
      • 1...Ke4
        • 2.Qh1#
      • 1...d3
        • 2.Qc4#
      • 1...e4
        • 2.Qg5#
      • 1...b5
        • 2.Qc6#
      • 1...b6
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB(A)
    • P(a);::QAB1(A)
    • P(e);N_GUARD::QAB1(A)
  • Tries
    • Try
      • B(C);
      • Vars
        • P(a);::QAB1(A)
        • P(c);OGATEB,SBLOCK::QAR(A)
        • P(e);N_GUARD::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • P(a);::QAB1(A)
        • P(c);OGATEB,SBLOCK::QAR(A)
        • P(e);N_GUARD::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • P(a);::QAB1(A)
        • P(c);OGATEB,SBLOCK::QAR(A)
        • P(e);N_GUARD::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);S_FLIGHT::QAB(A)
        • P(a);::QAB1(A)
        • P(e);N_GUARD::QAB1(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);CHECK
      • Vars
        • P(c);OGATEB,P_SPINP(c),SBLOCK::QAR(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(a);::QAB1(A)
        • P(e);N_GUARD::QAB1(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • P(a);::QAB1(A)
        • P(c);SBLOCK::QAR1(A),XP(d)
        • P(e);N_GUARD::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(b);S_FLIGHT::QAB(A)
      • P(a);::QAB1(A)
      • P(c);OGATEB,SBLOCK::QAR(A)
      • P(e);N_GUARD::QAB1(A)
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