MESON Chess Problem Database

Problem Display
PID: 85368 (1K6/8/kB1n4/3N4/2P5/8/2B5/8 w - - 0 1)

Zheltonozhko, Vladimir Ivanovich

Smena, 1994

1K6/8/kB1n4/3N4/2P5/8/2B5/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Ba4?
      • 1...Se4
        • 2.Bb5#
      • 1...Sb5
        • 2.Bxb5#
        • 2.cxb5#
      • 1...Sf5
        • 2.Bb5#
      • 1...Sb7
        • 2.Bb5#
      • 1...Sf7
        • 2.Bb5#
      • 1...Sc8
        • 2.Bb5#
      • 1...Se8
        • 2.Bb5#
      • 1...Sxc4!
    • 1.c5?
      • threat
        • 2.Sc7#
      • 1...Sb5
        • 2.Sb4#
      • 1...Se8
        • 2.Bd3#
      • 1...Kb5!
  • Keys
    • 1.Bd3!
      • 1...Sxc4
        • 2.Bxc4#
      • 1...Se4
        • 2.c5#
      • 1...Sb5
        • 2.cxb5#
      • 1...Sf5
        • 2.c5#
      • 1...Sb7
        • 2.c5#
      • 1...Sf7
        • 2.c5#
      • 1...Sc8
        • 2.c5#
      • 1...Se8
        • 2.c5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Vars
        • S(b);N_GUARD::B(A)
      • Refutation
        • S(b);XP(B)
    • Try
      • P(B);
      • Threat
        • S(C)
      • Vars
        • S(b);SBLOCK::S(C)
        • S(b);N_GUARD::B(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(A);
    • Vars
      • S(b);OGATE,P_SPINS(b),XP(B)::B(A),XS(b)
      • S(b);N_GUARD::B(A)+P(B)
      • S(b);OGATE::P(B),XS(b)
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