MESON Chess Problem Database

Problem Display
PID: 84989 (8/2p5/n4R2/3B3R/2PkNp2/K2P4/3B2n1/2N2b2 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Slovensky Dennik, 1993

8/2p5/n4R2/3B3R/2PkNp2/K2P4/3B2n1/2N2b2

#2

9 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd3
      • 2.Sb3#
    • 1...Se3
      • 2.Bc3#
  • Tries
    • 1.Sf2?
      • threat
        • 2.Sb3#
      • 1...Kc5
        • 2.Sb3#
      • 1...Sc5!
    • 1.Sc5?
      • threat
        • 2.S1b3#
        • 2.S5b3#
        • 2.Se6#
      • 1...Kxc5
        • 2.Sb3#
      • 1...Sxc5!
    • 1.Rh3?
      • threat
        • 2.Bc3#
      • 1...Ke5
        • 2.Bc3#
      • 1...f3!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Se6#
      • 1...Kc5
        • 2.Sb3#
      • 1...Ke5
        • 2.Bc3#
      • 1...Sc5
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(a);SBLOCK,XP(D)::S(A)
    • S(b);SBLOCK::B(B)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(A)
      • Vars
        • K(c);S_FLIGHT::S(A)
      • Refutation
        • S(e);
    • Try
      • S(F);
      • Threat
        • DUALS(3)
      • Vars
        • K(c);S_FLIGHT,XS(F)::S(A)
      • Refutation
        • S(e);XS(F)
    • Try
      • R(H);
      • Threat
        • B(B)
      • Vars
        • K(c);S_FLIGHT::B(B)
      • Refutation
        • P(d);
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(c);S_FLIGHT::S(A)
      • K(c);S_FLIGHT::B(B)
      • S(e);SBLOCK::S(F)
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