MESON Chess Problem Database

Problem Display
PID: 190225 (1b3Nn1/3p2NB/2pP4/3kp3/5p2/QKB5/4P3/8 w - - 0 1)

Feuerstein, Jozsef

Pesti Naplo, 1913

1b3Nn1/3p2NB/2pP4/3kp3/5p2/QKB5/4P3/8

#2

8 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...f3
      • 2.e4#
    • 1...e4
      • 2.Bxg8#
  • Tries
    • 1.Sxd7?
      • threat
        • 2.Sb6#
        • 2.Qc5#
      • 1...Bxd6
        • 2.Sb6#
      • 1...c5
        • 2.Qxc5#
      • 1...Bc7
        • 2.Qc5#
      • 1...Ba7!
    • 1.Qa5+?
      • 1...Kxd6
        • 2.Sf5#
        • 2.Qxe5#
      • 1...c5!
  • Keys
    • 1.Se8!
      • 1...Bxd6
        • 2.Qxd6#
      • 1...c5
        • 2.Qa8#
      • 1...Ba7
        • 2.Sc7#
      • 1...Bc7
        • 2.Sxc7#
      • 1...Sf6
        • 2.Sxf6#
      • 1...Sh6
        • 2.Sf6#
      • 1...Se7
        • 2.Sf6#
      • 1...f3
        • 2.e4#
      • 1...e4
        • 2.Bxg8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • P(a);N_GUARD::P(A)
    • P(c);SBLOCK::B(G),XS(g)
  • Tries
    • Try
      • S(H);XP(e)
      • Threat
        • DUALS(2)
      • Vars
        • B(f);XP(E)::S(H)
        • P(d);::QAR1(B),XP(d)
        • B(f);::QAR1(B)
      • Refutation
        • B(f);
    • Try
      • Q(B);CHECK
      • Refutation
        • P(d);P_SPINP(d)
  • Actual
    • S(F);
    • Vars
      • B(f);OGATE,XP(E)::QAR1(B),XB(f)
      • P(d);OGATEB,SBLOCK::QAB(B)
      • B(f);N_GUARD::S(F)
      • B(f);N_GUARD::S(F),XB(f)
      • S(g);N_GUARD::S(F),XS(g)
      • S(g);N_GUARD::S(F)
      • P(a);N_GUARD::P(A)
      • P(c);SBLOCK::B(G),XS(g)
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