MESON Chess Problem Database

Problem Display
PID: 164297 (8/N7/8/8/pk6/3Q4/4N3/3n2K1 w - - 0 1)

Antipov, Viacheslav Pavlovich

Sa ogneupory, 1988

8/N7/8/8/pk6/3Q4/4N3/3n2K1

#2

4 + 3

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.Qb5#
    • 1...Kc5
      • 2.Qd4#
    • 1...Sb2
      • 2.Qc3#
    • 1...Sf2
      • 2.Qc3#
    • 1...Sc3
      • 2.Qxc3#
    • 1...Se3
      • 2.Qc3#
    • 1...a3
      • 2.Qb5#
  • Tries
    • 1.Kf1?
      • 1...Ka5
        • 2.Qb5#
      • 1...Kc5
        • 2.Qd4#
      • 1...Sc3
        • 2.Qxc3#
      • 1...a3
        • 2.Qb5#
      • 1...Sb2
        • 2.Qc3#
      • 1...Sf2
        • 2.Qc3#
      • 1...Se3+!
    • 1.Kh1?
      • 1...Ka5
        • 2.Qb5#
      • 1...Kc5
        • 2.Qd4#
      • 1...Sc3
        • 2.Qxc3#
      • 1...a3
        • 2.Qb5#
      • 1...Sb2
        • 2.Qc3#
      • 1...Se3
        • 2.Qc3#
      • 1...Sf2+!
    • 1.Kg2?
      • 1...Ka5
        • 2.Qb5#
      • 1...Kc5
        • 2.Qd4#
      • 1...Sc3
        • 2.Qxc3#
      • 1...a3
        • 2.Qb5#
      • 1...Sb2
        • 2.Qc3#
      • 1...Sf2
        • 2.Qc3#
      • 1...Se3+!
  • Keys
    • 1.Kh2!
      • 1...Ka5
        • 2.Qb5#
      • 1...Kc5
        • 2.Qd4#
      • 1...Sc3
        • 2.Qxc3#
      • 1...a3
        • 2.Qb5#
      • 1...Sb2
        • 2.Qc3#
      • 1...Sf2
        • 2.Qc3#
      • 1...Se3
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAR1(C)
    • K(c);S_FLIGHT::QAB1(C)
    • S(a);N_GUARD::QAB1(C)
    • S(a);N_GUARD::QAB1(C),XS(a)
    • P(b);SBLOCK::QAR1(C)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(c);S_FLIGHT::QAR1(C)
        • K(c);S_FLIGHT::QAB1(C)
        • S(a);N_GUARD::QAB1(C),XS(a)
        • P(b);SBLOCK::QAR1(C)
        • S(a);N_GUARD::QAB1(C)
      • Refutation
        • S(a);CHECK
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(c);S_FLIGHT::QAR1(C)
        • K(c);S_FLIGHT::QAB1(C)
        • S(a);N_GUARD::QAB1(C),XS(a)
        • P(b);SBLOCK::QAR1(C)
        • S(a);N_GUARD::QAB1(C)
      • Refutation
        • S(a);CHECK
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(c);S_FLIGHT::QAR1(C)
        • K(c);S_FLIGHT::QAB1(C)
        • S(a);N_GUARD::QAB1(C),XS(a)
        • P(b);SBLOCK::QAR1(C)
        • S(a);N_GUARD::QAB1(C)
      • Refutation
        • S(a);CHECK
  • Actual
    • K(A);S_FLIGHT
    • Vars
      • K(c);S_FLIGHT::QAR1(C)
      • K(c);S_FLIGHT::QAB1(C)
      • S(a);N_GUARD::QAB1(C),XS(a)
      • P(b);SBLOCK::QAR1(C)
      • S(a);N_GUARD::QAB1(C)
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