MESON Chess Problem Database

Problem Display
PID: 91809 (1b1r4/3p3B/4P3/4p3/R1nBrkNK/1Q2p1p1/2p4P/2qbN2n w - - 0 1)

Gebura, Stanislaw

Het Belgisch Schaakbord (L'Echiquier Belge), 2002

1b1r4/3p3B/4P3/4p3/R1nBrkNK/1Q2p1p1/2p4P/2qbN2n

#2

9 + 13

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bf3
      • 2.Sd3#
    • 1...Sf2
      • 2.hxg3#
    • 1...Sd2
      • 2.Bxe3#
    • 1...Sd6
      • 2.Bxe5#
    • 1...e2
      • 2.Sg2#
      • 2.Qf3#
  • Tries
    • 1.Sf2?
      • threat
        • 2.Sfd3#
        • 2.Sh3#
      • 1...Rxd4
        • 2.Sh3#
      • 1...Sxf2
        • 2.hxg3#
      • 1...exf2
        • 2.Sg2#
      • 1...exd4
        • 2.Sfd3#
      • 1...Qd2
        • 2.Sh3#
      • 1...Be2
        • 2.Sh3#
      • 1...Bg4
        • 2.Sfd3#
      • 1...Sb2
        • 2.Sh3#
      • 1...gxf2!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qxe4#
      • 1...Rxd4
        • 2.Sg2#
      • 1...Bf3
        • 2.Sd3#
      • 1...Sf2
        • 2.hxg3#
      • 1...Sd2
        • 2.Bxe3#
      • 1...Sd6
        • 2.Bxe5#
      • 1...d5
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(b);SBLOCK::S(A)
    • S(c);N_GUARD::P(B),XP(f)
    • S(g);N_GUARD,S_CUTQ(a),S_CUTR(h)::B(E),XP(e)
    • S(g);N_GUARD,S_CUTB(l),S_CUTR(h)::B(E),XP(j)
  • Tries
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • R(h);XB(E)::S(F)
        • S(c);N_GUARD,XS(F)::P(B),XP(f)
        • P(e);XS(F)::S(A)
        • P(j);XB(E)::S(F)
        • Q(a);::S(F)
        • B(b);::S(F)
        • S(g);::S(F)
      • Refutation
        • P(f);XS(F)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C),XR(h)
    • Vars
      • R(h);XB(E)::S(A)
      • B(b);SBLOCK::S(A)
      • S(c);N_GUARD::P(B),XP(f)
      • S(g);N_GUARD,S_CUTQ(a),S_CUTR(h)::B(E),XP(e)
      • S(g);N_GUARD,S_CUTB(l),S_CUTR(h)::B(E),XP(j)
      • P(k);OGATE::QAR(C)
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