MESON Chess Problem Database

Problem Display
PID: 204921 (6r1/3p4/1N2b2B/4p1r1/4Bq2/2P1k3/2Q4p/2K1N3 w - - 0 1)

Supp, Walter

Badische Neueste Nachrichten, 1995

6r1/3p4/1N2b2B/4p1r1/4Bq2/2P1k3/2Q4p/2K1N3

#2

7 + 8

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe4
      • 2.Qd2#
    • 1...Qh4
      • 2.Sg2#
    • 1...Qf5
      • 2.Sg2#
    • 1...Qf6
      • 2.Sg2#
    • 1...Qf7
      • 2.Sg2#
    • 1...Qf8
      • 2.Sg2#
    • 1...Bh3
      • 2.Sc4#
      • 2.Sd5#
    • 1...Bc4
      • 2.Sxc4#
    • 1...Bg4
      • 2.Sg2#
      • 2.Sc4#
      • 2.Sd5#
    • 1...Bd5
      • 2.Sxd5#
    • 1...Bf5
      • 2.Sc4#
      • 2.Sd5#
  • Keys
    • 1.Bd5!
      • threat
        • 2.Qd2#
      • 1...Bxd5
        • 2.Sxd5#
      • 1...Qf2
        • 2.Qe4#
      • 1...Qd4
        • 2.Sg2#
      • 1...Rg2
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • Q(c);P_SPINR(e),SBLOCK,XB(E)::QAB1(C)
    • Q(c);P_SPINR(e)::S(B)
    • B(f);N_GUARD::S(F),XB(f)
  • Actual
    • B(E);
    • Threat
      • QAB1(C)
    • Vars
      • B(f);XB(E)::S(F),XB(f)
      • Q(c);N_GUARD,P_SPINR(e),SBLOCK::QAR1(C)
      • Q(c);P_SPINR(e)::S(B)
      • R(e);P_SPINQ(c)::S(F)
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