MESON Chess Problem Database

Problem Display
PID: 89026 (8/5p2/5K2/1BPkp3/1p6/6N1/2P3p1/6B1 w - - 0 1)

Pypa, Volodimir Iosifovich

Buletin Problemistic, 1975

8/5p2/5K2/1BPkp3/1p6/6N1/2P3p1/6B1

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.c4#
  • Tries
    • 1.Kxf7?
      • 1...b3
        • 2.c4#
      • 1...e4!
    • 1.Se4?
      • 1...b3
        • 2.Sc3#
      • 1...Kxe4!
    • 1.Sh5?
      • 1...Ke4
        • 2.Bc6#
      • 1...e4
        • 2.Sf4#
      • 1...b3!
  • Keys
    • 1.Se2!
      • 1...Ke4
        • 2.Bc6#
      • 1...b3
        • 2.Sc3#
      • 1...e4
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::P(B)
  • Tries
    • Try
      • K(F);P-FLIGHT,XP(e)
      • Vars
        • P(b);N_GUARD::P(B)
      • Refutation
        • P(d);
    • Try
      • S(C);
      • Vars
        • P(b);N_GUARD::S(C)
      • Refutation
        • K(c);S_FLIGHT,XS(C)
    • Try
      • S(C);
      • Vars
        • K(c);S_FLIGHT::B(D)
        • P(d);N_GUARD,SBLOCK::S(C)
      • Refutation
        • P(b);
  • Actual
    • S(C);
    • Vars
      • K(c);S_FLIGHT::B(D)
      • P(b);N_GUARD::S(C)
      • P(d);N_GUARD,SBLOCK::S(C)
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