MESON Chess Problem Database

Problem Display
PID: 28355 (4K2B/1p6/1b1k1p2/3P3R/1N6/3nN3/2Q5/3R4 w - - 0 1)

Supp, Walter

Badische Neueste Nachrichten, 1994

4K2B/1p6/1b1k1p2/3P3R/1N6/3nN3/2Q5/3R4

#2

8 + 5

6114 Problemschach-Jahrbuch (1994) 1995
3242 BCPS Rapid Solving (Cheltenham) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Qh2#
    • 1...Se5
      • 2.Sf5#
    • 1...f5
      • 2.Sxf5#
      • 2.Rh6#
  • Tries
    • 1.Bxf6?
      • threat
        • 2.Sf5#
        • 2.Be7#
      • 1...Bxe3
        • 2.Be7#
      • 1...Sc5
        • 2.Be5#
        • 2.Qh2#
      • 1...Bd8
        • 2.Sf5#
      • 1...Bc5!
  • Keys
    • 1.Sa6!
      • threat
        • 2.Sc4#
      • 1...Bxe3
        • 2.Qc7#
      • 1...bxa6
        • 2.Qc6#
      • 1...Sb2
        • 2.Qh2#
      • 1...Se5
        • 2.Sf5#
      • 1...f5
        • 2.Rh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • S(a);N_GUARD,SBLOCK::QAB(B)
    • S(a);SBLOCK::S(C)
  • Tries
    • Try
      • B(H);XP(d)
      • Threat
        • DUALS(2)
      • Vars
        • B(b);XS(C)::B(H)
        • B(b);::S(C)
      • Refutation
        • B(b);
  • Actual
    • S(D);
    • Threat
      • S(C)
    • Vars
      • B(b);N_GUARD,XS(C)::QAB1(B)
      • P(e);N_GUARD,XS(D)::QAR1(B)
      • S(a);N_GUARD::QAB(B)
      • S(a);SBLOCK::S(C)
      • P(d);OGATEB::R(F)
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