MESON Chess Problem Database

Problem Display
PID: 99090 (b4K2/3p4/1B2p3/2N1kN1Q/q1P3p1/1p4P1/4P3/2n5 w - - 0 1)

Dunka, Gyorgy Jusztin

Magyar Sakkujsag TT, 1911

b4K2/3p4/1B2p3/2N1kN1Q/q1P3p1/1p4P1/4P3/2n5

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3+?
      • 1...Ke4
        • 2.Sd6#
        • 2.Qxg4#
      • 1...Kf6
        • 2.Bd8#
      • 1...Sxd3!
    • 1.Sxd7+?
      • 1...Ke4
        • 2.Sd6#
        • 2.Qxg4#
      • 1...Qxd7!
    • 1.Sd6+?
      • 1...Kd4
        • 2.Sxa4#
        • 2.Sce4#
      • 1...Kf6
        • 2.Se8#
        • 2.Bd8#
      • 1...Kxd6!
  • Keys
    • 1.Se4!
      • threat
        • 2.Sfd6#
      • 1...Kxe4
        • 2.Sd6#
      • 1...Bxe4
        • 2.Bd4#
      • 1...exf5
        • 2.Qe8#
      • 1...d6
        • 2.Sfxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(e);S_FLIGHT::B(G)
      • Refutation
        • S(a);XS(D)
    • Try
      • S(D);CHECK,XP(g)
      • Refutation
        • Q(c);XS(D)
    • Try
      • S(E);CHECK
      • Refutation
        • K(e);S_FLIGHT,XS(E)
  • Actual
    • S(D);
    • Threat
      • QAR(F)+S(E)
    • Vars
      • K(e);P-FLIGHT,XS(D)::S(E)
      • B(h);SBLOCK,XS(D)::B(G)
      • P(f);OGATEB,P_SPINP(f),SBLOCK,XS(E)::QAR(F)
      • P(g);::QAR(F)+S(E),XP(g)
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