MESON Chess Problem Database

Problem Display
PID: 221364 (2B1n1q1/r4pp1/8/2BNkpP1/5N2/p1K2PP1/8/1b6 w - - 0 1)

Sturc, Jan

Praca Prvotina, 1957

2B1n1q1/r4pp1/8/2BNkpP1/5N2/p1K2PP1/8/1b6

#2

8 + 9

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sd6
      • 2.Bd4#
  • Tries
    • 1.Se3?
      • threat
        • 2.Sc4#
      • 1...Ba2
        • 2.Sd3#
      • 1...Bd3
        • 2.Sxd3#
      • 1...Sd6
        • 2.Bd4#
      • 1...f6
        • 2.Sg6#
      • 1...Ra4!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Sc4#
      • 1...Ra4
        • 2.Sd7#
      • 1...Ba2
        • 2.Sd3#
      • 1...Bd3
        • 2.Sxd3#
      • 1...Sd6
        • 2.Bd4#
      • 1...f6
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(h);SBLOCK::B(E)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • B(a);N_GUARD::S(D)
        • B(a);N_GUARD::S(D),XB(a)
        • S(h);SBLOCK::B(E)
        • P(f);N_GUARD::S(D)
      • Refutation
        • R(e);
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • R(e);N_GUARD::S(F)
      • B(a);N_GUARD::S(D)
      • B(a);N_GUARD::S(D),XB(a)
      • S(h);SBLOCK::B(E)
      • P(f);N_GUARD::S(D)
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