MESON Chess Problem Database

Problem Display
PID: 135411 (1BKnB2b/N4n2/R7/P2kpp2/R4p2/1NPpp3/8/8 w - - 0 1)

Hoffmann, Fritz

German Solving Championship, 1999

1BKnB2b/N4n2/R7/P2kpp2/R4p2/1NPpp3/8/8

#2

9 + 9

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Sg5
      • 2.Rd6#
    • 1...Sd6+
      • 2.Rxd6#
    • 1...Sh6
      • 2.Rd6#
    • 1...Sc6
      • 2.Bxf7#
    • 1...Se6
      • 2.Bc6#
    • 1...Sb7
      • 2.Bxf7#
    • 1...e4
      • 2.c4#
  • Tries
    • 1.Bxf7+?
      • 1...Se6
        • 2.Bxe6#
        • 2.Rd6#
      • 1...Sxf7!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sc7#
      • 1...Sd6+
        • 2.Rxd6#
      • 1...Sc6
        • 2.Bxf7#
      • 1...Se6
        • 2.Bc6#
      • 1...e4
        • 2.c4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • S(g);N_GUARD::R1(E)
    • S(g);CHECK,N_GUARD::R1(E),XS(g)
    • S(h);N_GUARD::B(I),XS(g)
    • S(h);N_GUARD,SBLOCK::B(I)
    • P(e);SBLOCK::P(B)
  • Tries
    • Try
      • B(I);CHECK,XS(g)
      • Refutation
        • S(h);XB(I)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • S(g);CHECK,N_GUARD::R1(E),XS(g)
      • S(h);N_GUARD::B(I),XS(g)
      • S(h);N_GUARD,SBLOCK::B(I)
      • P(e);SBLOCK::P(B)
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