MESON Chess Problem Database

Problem Display
PID: 94992 (3n1b2/p1B5/2n2N2/2kP4/KpN5/1pPP1b2/8/8 w - - 0 1)

Jarolin, Ivan

Pravda, 2003

3n1b2/p1B5/2n2N2/2kP4/KpN5/1pPP1b2/8/8

#2

7 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd5
      • 2.Sd7#
    • 1...Bd6
      • 2.Bxd6#
    • 1...Bh6
      • 2.Bd6#
    • 1...Bg7
      • 2.Bd6#
    • 1...Sd4
      • 2.cxb4#
    • 1...Se7
      • 2.Bd6#
    • 1...a5
      • 2.Bb6#
    • 1...a6
      • 2.Bb6#
  • Tries
    • 1.Se3?
      • threat
        • 2.Sd7#
      • 1...Bg4
        • 2.Se4#
      • 1...Se5
        • 2.d4#
      • 1...Sb8
        • 2.d4#
      • 1...bxc3!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sxb3#
      • 1...Bxd5
        • 2.Sd7#
      • 1...Bd1
        • 2.Sde4#
      • 1...Sd4
        • 2.cxb4#
      • 1...Sa5
        • 2.d4#
      • 1...b2
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • B(b);SBLOCK,XP(E)::S(F)
    • B(h);N_GUARD::B(G),XB(h)
    • B(h);N_GUARD::B(G)
    • S(e);N_GUARD,SBLOCK::P(A),XP(c)
    • S(e);S_CUTB(h)::B(G)
    • P(f);N_GUARD::B(G)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(F)
      • Vars
        • B(b);N_GUARD::S(F)
        • S(e);N_GUARD::P(B)
      • Refutation
        • P(c);XP(A)
  • Actual
    • S(D);
    • Threat
      • S(D),XP(a)
    • Vars
      • B(b);SBLOCK,XP(E)::S(F)
      • B(b);N_GUARD::S(D)
      • S(e);N_GUARD,SBLOCK::P(A),XP(c)
      • S(e);N_GUARD::P(B)
      • P(a);::S(D)
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