MESON Chess Problem Database

Problem Display
PID: 135100 (2Q2b2/p4KpB/3p4/3k2pN/3P4/4P3/b2p1n2/5RB1 w - - 0 1)

Supp, Walter

Badische Neueste Nachrichten, 1999

2Q2b2/p4KpB/3p4/3k2pN/3P4/4P3/b2p1n2/5RB1

#2

8 + 9

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4
      • 2.Qb7#
      • 2.Qa8#
    • 1...Sd1
      • 2.e4#
    • 1...Sh1
      • 2.e4#
    • 1...Sd3
      • 2.e4#
    • 1...Sh3
      • 2.e4#
    • 1...Se4
      • 2.Rf5#
    • 1...Sg4
      • 2.e4#
    • 1...g4
      • 2.Sf4#
    • 1...g6
      • 2.Sf6#
  • Tries
    • 1.Bxf2?
      • threat
        • 2.e4#
      • 1...g6
        • 2.Sf6#
      • 1...Bb1!
    • 1.Be4+?
      • 1...Sxe4
        • 2.Rf5#
      • 1...Kxe4+!
    • 1.e4+?
      • 1...Sxe4
        • 2.Rf5#
      • 1...Kxd4+!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qb5#
      • 1...g6
        • 2.Sf6#
      • 1...Bc4
        • 2.Qb7#
      • 1...Sd3
        • 2.e4#
      • 1...Se4
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • S(c);N_GUARD::P(C)
    • S(c);OGATE,SBLOCK::R(A)
    • P(e);N_GUARD::S(E)
    • P(h);N_GUARD::S(E)
  • Tries
    • Try
      • B(B);XS(c)
      • Threat
        • P(C)
      • Vars
        • P(h);N_GUARD::S(E)
      • Refutation
        • B(a);
    • Try
      • B(G);CHECK
      • Vars
        • S(c);OGATE,SBLOCK,XB(G)::R(A)
      • Refutation
        • K(d);CHECK,S_FLIGHT,XB(G)
    • Try
      • P(C);CHECK
      • Vars
        • S(c);OGATE,SBLOCK,XP(C)::R(A)
      • Refutation
        • K(d);CHECK,P-FLIGHT,P_SPINS(c),XP(D)
  • Actual
    • Q(H);
    • Threat
      • QAR2(H)
    • Vars
      • P(h);N_GUARD::S(E)
      • B(a);SBLOCK::QAB(H)
      • S(c);N_GUARD::P(C)
      • S(c);OGATE,SBLOCK::R(A)
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