MESON Chess Problem Database

Problem Display
PID: 157012 (5N2/3pp3/5p2/4kN2/7p/8/K2Q3n/bB6 w - - 0 1)

Amirov, Talip Khasanovich

Schach, 1976

5N2/3pp3/5p2/4kN2/7p/8/K2Q3n/bB6

#2

5 + 7

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.Qxd4#
    • 1...d5
      • 2.Qe3#
      • 2.Qxh2#
    • 1...e6
      • 2.Sg6#
      • 2.Sxd7#
      • 2.Qd6#
  • Tries
    • 1.Qa5+?
      • 1...d5
        • 2.Qc7#
      • 1...Kf4!
    • 1.Qe2+?
      • 1...Kd5
        • 2.Qb5#
      • 1...Kf4!
    • 1.Qg2?
      • threat
        • 2.Qe4#
      • 1...Kf4
        • 2.Sg6#
      • 1...d5
        • 2.Qxh2#
      • 1...Sf3!
    • 1.Qd3?
      • threat
        • 2.Qe4#
      • 1...d5
        • 2.Qe3#
      • 1...Kf4!
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qe4#
      • 1...Kd5
        • 2.Qb5#
      • 1...Bd4
        • 2.Qxd4#
      • 1...d5
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::QAB1(C),XB(a)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • P(f);N_GUARD,P_SPINP(f),SBLOCK::QAB(C)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);P-FLIGHT::QAR2(C)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • K(d);S_FLIGHT::S(E)
        • P(f);SBLOCK::QAB(C),XS(b)
      • Refutation
        • S(b);
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • P(f);SBLOCK::QAR2(C)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • K(d);P-FLIGHT::QAR2(C)
      • B(a);N_GUARD::QAB1(C),XB(a)
      • P(f);N_GUARD,SBLOCK::QAB(C)
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