MESON Chess Problem Database

Problem Display
PID: 187013 (8/1q6/1b1pp2p/NRppk1P1/6Q1/1BP5/b4P2/6Kn w - - 0 1)

Goldschmeding, Cornelis

3rd Prize, Het Belgisch Schaakbord (L'Echiquier Belge), 1992-1993

8/1q6/1b1pp2p/NRppk1P1/6Q1/1BP5/b4P2/6Kn

#2

8 + 10

5110 Bekroonde Problemen 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Qa6
      • 2.Sc6#
    • 1...Qc6
      • 2.Sxc6#
    • 1...Qa7
      • 2.Sc6#
    • 1...Qe7
      • 2.Sc6#
    • 1...Qf7
      • 2.Sc6#
    • 1...Qg7
      • 2.Sc6#
    • 1...Qh7
      • 2.Sc6#
    • 1...Qb8
      • 2.Sc6#
    • 1...c4
      • 2.Sxc4#
    • 1...d4
      • 2.cxd4#
  • Tries
    • 1.Qg3+?
      • 1...Ke4
        • 2.Bc2#
      • 1...Kf5
        • 2.Bc2#
      • 1...Sxg3!
  • Keys
    • 1.Bc2!
      • threat
        • 2.f4#
      • 1...Sxf2
        • 2.Qg3#
      • 1...hxg5
        • 2.Qxg5#
      • 1...d4
        • 2.Qxd4#
      • 1...Qf7
        • 2.Sc6#
      • 1...c4
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • Q(j);N_GUARD::S(F)
    • Q(j);N_GUARD::S(F),XQ(j)
    • P(c);P_PINP(B),P_SPINP(d)::S(F),XP(c)
    • P(d);OGATE,P_SPINP(c)::P(D),XP(d)
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(e);P-FLIGHT::B(C)
      • Refutation
        • S(a);XQ(E)
  • Actual
    • B(C);
    • Threat
      • P(B)
    • Vars
      • S(a);N_GUARD,XP(B)::QAB(E)
      • P(i);OGATE,XP(H)::QAR2(E),XP(i)
      • P(d);P_SPINP(c)::QAB1(E),XP(d)
      • Q(j);N_GUARD::S(F)
      • P(c);P_PINP(B),P_SPINP(d)::QAR1(E)
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