MESON Chess Problem Database

Problem Display
PID: 80331 (4r2B/1p2Q2p/1K2p3/3ppp2/4k1P1/3n2R1/4Nn2/1B1bR3 w - - 0 1)

Barth, Michael

Freie Presse, 1994

4r2B/1p2Q2p/1K2p3/3ppp2/4k1P1/3n2R1/4Nn2/1B1bR3

#2

8 + 11

6114 Problemschach-Jahrbuch (1994) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Sh1
      • 2.Bxd3#
    • 1...Sh3
      • 2.Bxd3#
    • 1...Sxg4
      • 2.Bxd3#
    • 1...d4
      • 2.Qxb7#
    • 1...fxg4
      • 2.Qxh7#
    • 1...f4
      • 2.Qxh7#
  • Tries
    • 1.Qc5?
      • threat
        • 2.Re3#
        • 2.Qe3#
      • 1...Bxe2
        • 2.Qe3#
      • 1...Sxg4
        • 2.Bxd3#
      • 1...d4
        • 2.Qxe5#
      • 1...f4
        • 2.Sc3#
      • 1...fxg4!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Re3#
        • 2.Qe3#
      • 1...Bxe2
        • 2.Qe3#
      • 1...Sxg4
        • 2.Bxd3#
      • 1...fxg4
        • 2.Re3#
        • 2.Qxe5#
      • 1...d4
        • 2.Sc3#
      • 1...f4
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • S(b);N_GUARD::B(A),XS(c)
    • S(b);N_GUARD,XP(E)::B(A),XS(c)
    • P(e);OGATEB::QAB(G),XP(i)
    • P(g);OGATEB,XP(E)::QAB(G),XP(j)
    • P(g);OGATEB::QAB(G),XP(j)
  • Tries
    • Try
      • Q(G);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);P_SPINB(a),XS(C)::QAR1(G)
        • S(b);N_GUARD,XP(E)::B(A),XS(c)
        • P(e);OGATE::QAR1(G),XP(f)
        • P(g);SBLOCK::R(B)+S(C),DCHECK
      • Refutation
        • P(g);XP(E)
  • Actual
    • Q(G);
    • Threat
      • DUALS(2)
    • Vars
      • B(a);P_SPINB(a),XS(C)::QAR1(G)
      • S(b);N_GUARD,XP(E)::B(A),XS(c)
      • P(e);SBLOCK::R(B)+S(C),DCHECK
      • P(g);OGATE::QAR1(G),XP(f)
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