MESON Chess Problem Database

Problem Display
PID: 134462 (8/5K1p/5p2/7k/8/6Q1/3B1n2/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Sa ogneupory, 1985

8/5K1p/5p2/7k/8/6Q1/3B1n2/8

#2

3 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Qh3#
    • 1...Sh1
      • 2.Qh3#
    • 1...Sd3
      • 2.Qh3#
    • 1...Sh3
      • 2.Qxh3#
    • 1...Se4
      • 2.Qh3#
    • 1...Sg4
      • 2.Qh3#
    • 1...f5
      • 2.Qg5#
  • Tries
    • 1.Kg7?
      • 1...Sd1
        • 2.Qh3#
      • 1...Sh1
        • 2.Qh3#
      • 1...Sd3
        • 2.Qh3#
      • 1...Sh3
        • 2.Qxh3#
      • 1...Se4
        • 2.Qh3#
      • 1...Sg4
        • 2.Qh3#
      • 1...f5
        • 2.Qg5#
      • 1...h6!
    • 1.Bc1?
      • 1...Sd1
        • 2.Qh3#
      • 1...Sh1
        • 2.Qh3#
      • 1...Sd3
        • 2.Qh3#
      • 1...Sh3
        • 2.Qxh3#
      • 1...Se4
        • 2.Qh3#
      • 1...Sg4
        • 2.Qh3#
      • 1...f5
        • 2.Qg5#
      • 1...h6!
    • 1.Be3?
      • 1...Sd1
        • 2.Qh3#
      • 1...Sh1
        • 2.Qh3#
      • 1...Sd3
        • 2.Qh3#
      • 1...Sh3
        • 2.Qxh3#
      • 1...Se4
        • 2.Qh3#
      • 1...Sg4
        • 2.Qh3#
      • 1...f5
        • 2.Qg5#
      • 1...h6!
    • 1.Bf4?
      • 1...Sd1
        • 2.Qh3#
      • 1...Sh1
        • 2.Qh3#
      • 1...Sd3
        • 2.Qh3#
      • 1...Sh3
        • 2.Qxh3#
      • 1...Se4
        • 2.Qh3#
      • 1...Sg4
        • 2.Qh3#
      • 1...f5
        • 2.Qg5#
      • 1...h6!
    • 1.Qh2+?
      • 1...Sh3
        • 2.Qxh3#
      • 1...Kg4!
    • 1.Qf3+?
      • 1...Sg4
        • 2.Qh3#
      • 1...Kh4!
  • Keys
    • 1.Bh6!
      • 1...Kxh6
        • 2.Qh4#
      • 1...Sd1
        • 2.Qh3#
      • 1...Sh1
        • 2.Qh3#
      • 1...Sd3
        • 2.Qh3#
      • 1...Sh3
        • 2.Qxh3#
      • 1...Se4
        • 2.Qh3#
      • 1...Sg4
        • 2.Qh3#
      • 1...f5
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAR2(B)
    • S(a);N_GUARD::QAR2(B),XS(a)
    • P(c);N_GUARD::QAR1(B)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • S(a);N_GUARD::QAR2(B)
        • S(a);N_GUARD::QAR2(B),XS(a)
        • P(c);N_GUARD::QAR1(B)
      • Refutation
        • P(d);
    • Try
      • B(A);
      • Vars
        • S(a);N_GUARD::QAR2(B)
        • S(a);N_GUARD::QAR2(B),XS(a)
        • P(c);N_GUARD::QAR1(B)
      • Refutation
        • P(d);
    • Try
      • B(A);
      • Vars
        • S(a);N_GUARD::QAR2(B)
        • S(a);N_GUARD::QAR2(B),XS(a)
        • P(c);N_GUARD::QAR1(B)
      • Refutation
        • P(d);
    • Try
      • B(A);
      • Vars
        • S(a);N_GUARD::QAR2(B)
        • S(a);N_GUARD::QAR2(B),XS(a)
        • P(c);N_GUARD::QAR1(B)
      • Refutation
        • P(d);
    • Try
      • Q(B);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::QAR2(B),XS(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::QAR2(B)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(b);P-FLIGHT,XB(A)::QAR2(B)
      • S(a);N_GUARD::QAR2(B)
      • S(a);N_GUARD::QAR2(B),XS(a)
      • P(c);N_GUARD::QAR1(B)
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