MESON Chess Problem Database

Problem Display
PID: 80108 (5Bb1/8/3N4/2p1pp2/np1k1P2/5Q2/3P4/2KR4 w - - 0 1)

Slagmolen, Cornelis

1st Prize, Residentiebode, 1936

5Bb1/8/3N4/2p1pp2/np1k1P2/5Q2/3P4/2KR4

#2

7 + 7

102 Probleemblad 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4
      • 2.Sxf5#
    • 1...Bd5
      • 2.Qe3#
    • 1...Sc3
      • 2.dxc3#
    • 1...c4
      • 2.Sb5#
      • 2.Sxf5#
    • 1...exf4
      • 2.Bg7#
  • Tries
    • 1.Qf2+?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kd5!
  • Keys
    • 1.d3!
      • threat
        • 2.Sb5#
      • 1...Kc3
        • 2.d4#
      • 1...exf4
        • 2.Bg7#
      • 1...e4
        • 2.dxe4#
      • 1...Bc4
        • 2.dxc4#
      • 1...Sc3
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(g);SBLOCK::S(F),XP(f)
    • B(g);SBLOCK::QAB1(D)
    • S(a);OGATE::R(B)+P(C)DCHECK,XS(a)
    • P(e);OGATEB,XP(E)::B(G)
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(D)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • P(C);
    • Threat
      • S(F)
    • Vars
      • K(c);OGATE,S_FLIGHT::QAR(D)+P(C)
      • P(e);OGATEB,XP(E)::B(G)
      • P(e);OGATE::R(B)+P(C),XP(e)
      • B(g);OGATE::R(B)+P(C),XB(g)
      • S(a);SBLOCK::S(F),XP(f)
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