MESON Chess Problem Database

Problem Display
PID: 160031 (3Q4/8/4k2N/4P3/2nP4/8/K7/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Sa ogneupory, 1987

3Q4/8/4k2N/4P3/2nP4/8/K7/8

#2

5 + 2

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Qd6#
    • 1...Sd2
      • 2.Qd6#
    • 1...Sa3
      • 2.Qd6#
    • 1...Se3
      • 2.Qd6#
    • 1...Sa5
      • 2.Qd6#
    • 1...Sxe5
      • 2.d5#
    • 1...Sb6
      • 2.Qd6#
    • 1...Sd6
      • 2.Qxd6#
  • Keys
    • 1.Ka1!
      • 1...Sxe5
        • 2.d5#
      • 1...Sd6
        • 2.Qxd6#
      • 1...Sb2
        • 2.Qd6#
      • 1...Sd2
        • 2.Qd6#
      • 1...Sa3
        • 2.Qd6#
      • 1...Se3
        • 2.Qd6#
      • 1...Sa5
        • 2.Qd6#
      • 1...Sb6
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAR1(E)
    • S(a);SBLOCK,XP(C)::P(B)
    • S(a);N_GUARD::QAR1(E),XS(a)
  • Actual
    • K(A);P-FLIGHT
    • Vars
      • S(a);SBLOCK,XP(C)::P(B)
      • S(a);N_GUARD::QAR1(E),XS(a)
      • S(a);N_GUARD::QAR1(E)
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