MESON Chess Problem Database

Problem Display
PID: 80058 (7Q/3NKp2/2pp4/3k2P1/1pn1p1R1/6B1/B2rr3/3N4 w - - 0 1)

Supp, Walter

Badische Neueste Nachrichten, 1994

7Q/3NKp2/2pp4/3k2P1/1pn1p1R1/6B1/B2rr3/3N4

#2

8 + 9

6114 Problemschach-Jahrbuch (1994) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Rf2
      • 2.Se3#
    • 1...Rg2
      • 2.Se3#
    • 1...Rh2
      • 2.Se3#
    • 1...Re3
      • 2.Sxe3#
    • 1...b3
      • 2.Sc3#
    • 1...e3
      • 2.Bxc4#
  • Tries
    • 1.Qf6?
      • threat
        • 2.Qxd6#
      • 1...b3
        • 2.Sc3#
      • 1...Rxa2!
  • Keys
    • 1.Bf2!
      • threat
        • 2.Sb6#
      • 1...Rxa2
        • 2.Qd4#
      • 1...Rxf2
        • 2.Se3#
      • 1...c5
        • 2.Qa8#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Re3
        • 2.Sxe3#
      • 1...b3
        • 2.Sc3#
      • 1...e3
        • 2.Bxc4#
        • 2.Qh1#
      • 1...f6
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • R(b);N_GUARD::S(A)
    • R(b);N_GUARD::S(A),XR(b)
    • P(c);N_GUARD,N_SPINS(d)::S(A)
    • P(e);::B(B),XS(d)
  • Tries
    • Try
      • Q(H);
      • Threat
        • QAR1(H),XP(h)
      • Vars
        • P(c);N_GUARD,N_SPINS(d)::S(A)
      • Refutation
        • R(a);N_SPINS(d),XB(B)
  • Actual
    • B(C);
    • Threat
      • S(F)
    • Vars
      • R(a);N_GUARD,N_SPINS(d),XB(B)::QAR1(H)
      • R(b);N_GUARD,XB(C)::S(A)
      • P(g);OGATEB::QAB(H)
      • R(a);N_GUARD::QAR1(H),XR(a)
      • R(b);N_GUARD::S(A),XR(b)
      • P(c);N_GUARD,N_SPINS(d)::S(A)
      • P(i);OGATEB::QAB(H)
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