MESON Chess Problem Database

Problem Display
PID: 110186 (5Qn1/1p2nP2/1P1P2p1/2K1Pp2/4k2N/6P1/3R1P2/B2N3b w - - 0 1)

Labai, Zoltan

1/2 HM., Hlas l'udu, 1983

5Qn1/1p2nP2/1P1P2p1/2K1Pp2/4k2N/6P1/3R1P2/B2N3b

#2

12 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qxe7?
      • threat
        • 2.Sc3#
        • 2.Rd4#
        • 2.Qxb7#
      • 1...Sf6
        • 2.Sc3#
        • 2.Rd4#
        • 2.exf6#
      • 1...Sxe7!
    • 1.Qg7?
      • threat
        • 2.Sc3#
        • 2.Rd4#
      • 1...Sd5
        • 2.Rd4#
      • 1...Sc6
        • 2.Sc3#
      • 1...Sf6!
    • 1.fxg8Q?
      • threat
        • 2.Qc4#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sc6
        • 2.Qd5#
      • 1...Sxg8!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qa4#
      • 1...Sd5
        • 2.Rd4#
      • 1...Sc6
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(L);XS(f)
      • Threat
        • DUALS(3)
      • Refutation
        • S(g);XQ(L)
    • Try
      • Q(L);
      • Threat
        • DUALS(2)
      • Vars
        • S(f);::R1(C)
        • S(f);::S(B)
      • Refutation
        • S(g);
    • Try
      • P(K);XS(g)
      • Threat
        • QAR2(K)
      • Vars
        • S(f);N_GUARD::QAB1(K),XS(f)
        • S(f);N_GUARD::QAB1(K)
      • Refutation
        • S(f);XQ(K)
  • Actual
    • Q(L);
    • Threat
      • QAR(L)
    • Vars
      • S(f);::R1(C)
      • S(f);::S(B)
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