MESON Chess Problem Database

Problem Display
PID: 105526 (2R2B1n/Np1k1p1K/8/5pN1/n7/8/B2P4/3R4 w - - 0 1)

Bakcsi, Gyorgy

Vizugyi Chess Club, 1979

2R2B1n/Np1k1p1K/8/5pN1/n7/8/B2P4/3R4

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.dxc3#
    • 1...f6
      • 2.Be6#
  • Tries
    • 1.Se4?
      • threat
        • 2.Sf6#
      • 1...f6
        • 2.Sxf6#
      • 1...fxe4!
    • 1.Bb1?
      • threat
        • 2.Bxf5#
      • 1...f4
        • 2.Bf5#
      • 1...Sc5!
    • 1.Bxf7?
      • threat
        • 2.Be6#
        • 2.Be8#
      • 1...Sc5
        • 2.Be8#
      • 1...Sxf7!
  • Keys
    • 1.Bc4!
      • threat
        • 2.Bb5#
      • 1...Sc3
        • 2.dxc3#
      • 1...b5
        • 2.Bxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • S(a);OGATE::R(A)+P(C),XS(a)
    • P(e);N_GUARD::B(B)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • P(e);::S(D),XP(e)
      • Refutation
        • P(b);XS(D)
    • Try
      • B(B);
      • Threat
        • B(B),XP(b)
      • Vars
        • P(b);::B(B)
      • Refutation
        • S(a);
    • Try
      • B(B);XP(e)
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::B(B)
      • Refutation
        • S(f);XB(B)
  • Actual
    • B(B);
    • Threat
      • B(B)
    • Vars
      • S(a);OGATE::R(A)+P(C),XS(a)
      • P(c);::B(B),XP(c)
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