MESON Chess Problem Database

Problem Display
PID: 171354 (1B6/8/1p1N4/k7/1N6/1PK5/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Shakh-M (Borovich), 1995

1B6/8/1p1N4/k7/1N6/1PK5/8/8

#2

5 + 2

5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...b5
      • 2.Bc7#
  • Tries
    • 1.Se4?
      • 1...b5
        • 2.Bc7#
      • 1...Kb5!
    • 1.Sf5?
      • 1...b5
        • 2.Bc7#
      • 1...Kb5!
    • 1.Sf7?
      • 1...b5
        • 2.Bc7#
      • 1...Kb5!
    • 1.Sc8?
      • 1...b5
        • 2.Bc7#
      • 1...Kb5!
    • 1.Se8?
      • 1...b5
        • 2.Bc7#
      • 1...Kb5!
  • Keys
    • 1.Ba7!
      • 1...b5
        • 2.Sb7#

Anticipated by 99607(1929), 167318(1995)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB::B(E)
  • Tries
    • Try
      • S(D);
      • Vars
        • P(b);OGATEB,SBLOCK::B(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(D);
      • Vars
        • P(b);OGATEB,SBLOCK::B(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(D);
      • Vars
        • P(b);OGATEB,SBLOCK::B(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(D);
      • Vars
        • P(b);OGATEB,SBLOCK::B(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(D);
      • Vars
        • P(b);OGATEB,SBLOCK::B(E)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(E);
    • Vars
      • P(b);SBLOCK::S(D)
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