MESON Chess Problem Database

Problem Display
PID: 139862 (8/3Q4/1p1p1PN1/1P1p4/n1pk1p1R/2R4p/Pp3P1B/1B2K3 w - - 0 1)

Albarda, Johannes

Prize, 03. Kwik-Toernooi, 1974

8/3Q4/1p1p1PN1/1P1p4/n1pk1p1R/2R4p/Pp3P1B/1B2K3

#2

11 + 9

102 Probleemblad 1974
15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Bxf4?
      • 1...Kxc3
        • 2.Bd2#
      • 1...Kc5
        • 2.Bxd6#
      • 1...Sxc3
        • 2.Be3#
      • 1...Sc5
        • 2.Be5#
      • 1...h2!
    • 1.Qxd6?
      • 1...Sxc3
        • 2.Qxb6#
      • 1...Sc5
        • 2.Qe5#
      • 1...Kxc3!
  • Keys
    • 1.Sxf4!
      • 1...Kxc3
        • 2.Sxd5#
      • 1...Kc5
        • 2.Sd3#
      • 1...Ke5
        • 2.Sh5#
      • 1...Sxc3
        • 2.Se6#
      • 1...Sc5
        • 2.Se2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);XP(f)
      • Vars
        • K(e);S_FLIGHT,XR(F)::B(E)
        • K(e);P_SPINP(d),S_FLIGHT::B(E),XP(i)
        • S(c);SBLOCK,XR(F)::R(G)+B(E),DCHECK
        • S(c);SBLOCK::R(G)+B(E),DCHECK
      • Refutation
        • P(b);
    • Try
      • Q(K);XP(i)
      • Vars
        • S(c);N_GUARD,SBLOCK,XR(F)::QAB(K),XP(h)
        • S(c);SBLOCK::QAB1(K)
      • Refutation
        • K(e);N_SPINP(f),S_FLIGHT,XR(F)
  • Actual
    • S(J);XP(f)
    • Vars
      • K(e);S_FLIGHT,XR(F)::S(J),XP(g)
      • K(e);P_SPINP(d),S_FLIGHT::S(J)
      • K(e);S_FLIGHT::B(E)+S(J)
      • S(c);SBLOCK,XR(F)::R(G)+S(J),DCHECK
      • S(c);SBLOCK::R(G)+S(J),DCHECK
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