MESON Chess Problem Database

Problem Display
PID: 10733 (8/1K6/3P4/pkB5/8/1pQ5/8/8 w - - 0 1)

Amirov, Talip Khasanovich

3rd Prize, Smer, 1967

8/1K6/3P4/pkB5/8/1pQ5/8/8

#2

4 + 3

2838 Fun with Chess Miniatures 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Ka4
      • 2.Qc4#
    • 1...a4
      • 2.Qb4#
  • Tries
    • 1.Bg1?
      • threat
        • 2.Qxb3#
      • 1...b2
        • 2.Qb3#
      • 1...a4
        • 2.Qc5#
      • 1...Ka4!
    • 1.Bf2?
      • threat
        • 2.Qxb3#
      • 1...b2
        • 2.Qb3#
      • 1...a4
        • 2.Qc5#
      • 1...Ka4!
    • 1.Ba3?
      • threat
        • 2.Qxb3#
        • 2.Qc6#
      • 1...b2
        • 2.Qb3#
        • 2.Qc6#
      • 1...a4
        • 2.Qb4#
        • 2.Qc5#
      • 1...Ka4!
    • 1.Be3?
      • threat
        • 2.Qxb3#
      • 1...b2
        • 2.Qb3#
      • 1...a4
        • 2.Qc5#
      • 1...Ka4!
    • 1.Bd4?
      • threat
        • 2.Qxb3#
      • 1...b2
        • 2.Qb3#
      • 1...a4
        • 2.Qc5#
      • 1...Ka4!
    • 1.Ba7?
      • threat
        • 2.Qxb3#
      • 1...b2
        • 2.Qb3#
      • 1...a4
        • 2.Qc5#
      • 1...Ka4!
    • 1.Qd4?
      • 1...a4
        • 2.Qb4#
      • 1...b2!
    • 1.Qd3+?
      • 1...Ka4
        • 2.Qc4#
      • 1...Kxc5!
    • 1.d7?
      • 1...Ka4
        • 2.Qc4#
      • 1...a4
        • 2.Qb4#
      • 1...b2!
  • Keys
    • 1.Bb6!
      • threat
        • 2.Qxb3#
      • 1...Ka4
        • 2.Qxa5#
      • 1...b2
        • 2.Qb3#
      • 1...a4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAR2(A)
    • P(b);N_GUARD::QAR1(A)
  • Tries
    • Try
      • B(B);
      • Threat
        • QAR2(A),XP(a)
      • Vars
        • P(a);::QAR2(A)
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(B);
      • Threat
        • QAR2(A),XP(a)
      • Vars
        • P(a);::QAR2(A)
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(B);
      • Threat
        • DUALS(2)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(B);
      • Threat
        • QAR2(A),XP(a)
      • Vars
        • P(a);::QAR2(A)
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(B);
      • Threat
        • QAR2(A),XP(a)
      • Vars
        • P(a);::QAR2(A)
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(B);
      • Threat
        • QAR2(A),XP(a)
      • Vars
        • P(a);::QAR2(A)
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(b);N_GUARD::QAR1(A)
      • Refutation
        • P(a);
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR2(A)
      • Refutation
        • K(c);P-FLIGHT,XB(B)
    • Try
      • P(C);
      • Vars
        • K(c);S_FLIGHT::QAR2(A)
        • P(b);N_GUARD::QAR1(A)
      • Refutation
        • P(a);
  • Actual
    • B(B);
    • Threat
      • QAR2(A),XP(a)
    • Vars
      • K(c);S_FLIGHT::QAR1(A),XP(b)
      • P(a);::QAR2(A)
      • P(b);SBLOCK::QAR1(A)
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