MESON Chess Problem Database

Problem Display
PID: 181232 (b6q/2p2B1p/4N3/K1Q1N1B1/4k1P1/2P2p2/2n5/8 w - - 0 1)

Leopold, F

Deutsches Wochenschach, 1906

(First published on Sun Jun 24 1906)

b6q/2p2B1p/4N3/K1Q1N1B1/4k1P1/2P2p2/2n5/8

#2

8 + 7

15 British Chess Magazine 1911

SOLUTION

  • SOUND
  • Sets
    • 1...Sa1
      • 2.Qd4#
    • 1...Se1
      • 2.Qd4#
    • 1...Sa3
      • 2.Qd4#
    • 1...Se3
      • 2.Qd4#
    • 1...Sb4
      • 2.Qd4#
    • 1...Sd4
      • 2.Qxd4#
    • 1...h5
      • 2.Bg6#
    • 1...h6
      • 2.Bg6#
  • Tries
    • 1.Qc4+?
      • 1...Sd4
        • 2.Qxd4#
      • 1...Kxe5!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Sc5#
      • 1...Kd5
        • 2.Sc5#
      • 1...Kxe5
        • 2.Sd4#
        • 2.Sf4#
        • 2.Sc5#
        • 2.Sxc7#
        • 2.Sg7#
        • 2.Sd8#
        • 2.Sf8#
      • 1...c5
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • S(a);N_GUARD::QAR1(D)
    • S(a);N_GUARD::QAR1(D),XS(a)
    • P(e);N_GUARD::B(H)
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::QAR1(D),XS(a)
      • Refutation
        • K(c);P-FLIGHT,XS(E)
  • Actual
    • Q(D);
    • Threat
      • S(G)
    • Vars
      • K(c);S_FLIGHT::B(H)+S(G)
      • P(d);::S(G),XP(d)
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