MESON Chess Problem Database

Problem Display
PID: 87597 (2K1N3/1p2p2R/8/P1kPR3/PrP5/Pp1p1Bb1/1B1N1p2/8 w - - 0 1)

Labai, Zoltan

Problemista, 1997

2K1N3/1p2p2R/8/P1kPR3/PrP5/Pp1p1Bb1/1B1N1p2/8

#2

12 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc4
      • 2.Sxb3#
    • 1...Bh4
      • 2.d6#
    • 1...e6
      • 2.Rc7#
  • Tries
    • 1.Re4?
      • threat
        • 2.Bd4#
      • 1...Rxc4
        • 2.Rxc4#
      • 1...e5
        • 2.Rc7#
      • 1...Be5!
  • Keys
    • 1.Sd6!
      • threat
        • 2.S2e4#
        • 2.S6e4#
      • 1...Kxd6
        • 2.Se4#
      • 1...Rxc4
        • 2.Sxb7#
      • 1...exd6
        • 2.Rc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(e);N_GUARD,SBLOCK,XP(F)::S(B),XP(b)
    • B(d);N_GUARD::R(I)+P(H)
    • P(h);OGATE::R(J)
  • Tries
    • Try
      • R(I);
      • Threat
        • B(A)
      • Vars
        • R(e);OGATE,XP(F)::R1(I),XR(e)
        • P(h);OGATE::R(J)
      • Refutation
        • B(d);
  • Actual
    • S(L);
    • Threat
      • DUALS(2)
    • Vars
      • K(f);S_FLIGHT,XS(L)::S(B)
      • R(e);N_GUARD,XP(F)::S(L),XP(g)
      • P(h);OGATE,SBLOCK,XS(L)::R(J)
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