MESON Chess Problem Database

Problem Display
PID: 188 (Rn2Q3/8/Np1B4/qN3R2/kP6/8/P7/3Kb3 w - - 0 1)

Visserman, Eeltje

1st HM., L'Italia Scacchistica, 1950

Rn2Q3/8/Np1B4/qN3R2/kP6/8/P7/3Kb3

#2

9 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb4
      • 2.Sc5#
    • 1...Qxb5
      • 2.Sxb8#
  • Tries
    • 1.Sc5+?
      • 1...Kxb4
        • 2.Rf4#
      • 1...bxc5!
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qc2#
      • 1...Qxb4
        • 2.Sxb8#
      • 1...Qxb5
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • Q(c);SBLOCK,XP(C)::R(H)+S(F),DCHECK
    • Q(c);P_SPINQ(c),XS(D)::R(H)+S(F),XS(e)
  • Tries
    • Try
      • S(F);CHECK,P_PINQ(c)
      • Vars
        • K(b);N_SPINQ(c),P-FLIGHT,XP(C)::R(E)
      • Refutation
        • P(d);XS(F)
  • Actual
    • Q(I);
    • Threat
      • QAB(I)
    • Vars
      • Q(c);P_SPINQ(c),XP(C)::R(H)+S(F),XS(e)
      • Q(c);SBLOCK,XS(D)::R(H)+S(F),DCHECK
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