MESON Chess Problem Database

Problem Display
PID: 141222 (2b2K2/2Q5/8/1pNB3n/p2k1Np1/B7/5P2/2b5 w - - 0 1)

Ludanyi, Antal

Deutsches Wochenschach, 1910

(First published on Sun Jul 17 1910)

2b2K2/2Q5/8/1pNB3n/p2k1Np1/B7/5P2/2b5

#2

7 + 7

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Sb3#
    • 1...Bb2
      • 2.Bxb2#
    • 1...Be3
      • 2.Bb2#
    • 1...Ba6
      • 2.Sce6#
    • 1...Be6
      • 2.Scxe6#
    • 1...Bb7
      • 2.Sce6#
    • 1...Sg3
      • 2.Qg7#
    • 1...Sg7
      • 2.Qxg7#
  • Tries
    • 1.Be6?
      • threat
        • 2.Se2#
      • 1...Kc3
        • 2.Sb3#
      • 1...Bxf4
        • 2.Bb2#
      • 1...Sxf4
        • 2.Qg7#
      • 1...Sg3
        • 2.Qg7#
      • 1...Bxe6!
    • 1.Bg8?
      • threat
        • 2.Se2#
      • 1...Kc3
        • 2.Sb3#
      • 1...Bxf4
        • 2.Bb2#
      • 1...Sxf4
        • 2.Qg7#
      • 1...Sg3
        • 2.Qg7#
      • 1...Be6!
    • 1.Qg7+?
      • 1...Sf6
        • 2.Qxf6#
      • 1...Sxg7!
  • Keys
    • 1.Ba2!
      • threat
        • 2.Se2#
      • 1...Kc3
        • 2.Sb3#
      • 1...Bxf4
        • 2.Bb2#
      • 1...Sxf4
        • 2.Qg7#
      • 1...Sg3
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • K(c);S_FLIGHT::QAR(F)+S(D)
    • B(a);N_GUARD::B(B),XB(a)
    • B(a);N_GUARD::B(B)
    • B(g);N_GUARD::S(D)
    • B(g);N_GUARD::S(D),XB(g)
    • S(f);N_GUARD::QAB(F)
    • S(f);N_GUARD::QAB(F),XS(f)
  • Tries
    • Try
      • B(E);
      • Threat
        • S(C)
      • Vars
        • K(c);S_FLIGHT::QAR(F)+S(D)
        • B(a);N_GUARD,XS(C)::B(B)
        • S(f);N_GUARD,XS(C)::QAB(F)
        • S(f);N_GUARD::QAB(F)
      • Refutation
        • B(g);XB(E)
    • Try
      • B(E);
      • Threat
        • S(C)
      • Vars
        • K(c);S_FLIGHT::QAR(F)+S(D)
        • B(a);N_GUARD,XS(C)::B(B)
        • S(f);N_GUARD,XS(C)::QAB(F)
        • S(f);N_GUARD::QAB(F)
      • Refutation
        • B(g);
    • Try
      • Q(F);CHECK
      • Vars
        • S(f);N_GUARD,P_SPINS(f)::QAB(F),XS(f)
      • Refutation
        • S(f);XQ(F)
  • Actual
    • B(E);
    • Threat
      • S(C)
    • Vars
      • K(c);S_FLIGHT::QAR(F)+S(D)
      • B(a);N_GUARD,XS(C)::B(B)
      • S(f);N_GUARD,XS(C)::QAB(F)
      • S(f);N_GUARD::QAB(F)
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