MESON Chess Problem Database

Problem Display
PID: 46121 (4rb2/1BpN4/2PP4/1NPkpQ2/8/1K6/3P4/7b w - - 0 1)

Groeneveld, Cornelis

Prins, Hendrik

2nd HM., Best Problems, 1998-2000

4rb2/1BpN4/2PP4/1NPkpQ2/8/1K6/3P4/7b

#2

9 + 6

102 Probleemblad 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Qd3#
    • 1...Ra8
      • 2.Qxe5#
    • 1...Rb8
      • 2.Qxe5#
    • 1...Rc8
      • 2.Qxe5#
    • 1...Rd8
      • 2.Qxe5#
    • 1...Be7
      • 2.Qxe5#
    • 1...cxd6
      • 2.c7#
  • Tries
    • 1.Kc3?
      • threat
        • 2.Sxc7#
      • 1...cxd6
        • 2.Sc7#
        • 2.c7#
      • 1...Rc8
        • 2.Qxe5#
      • 1...Bxd6!
    • 1.Kb4?
      • threat
        • 2.Sf6#
      • 1...Re6
        • 2.Qd3#
      • 1...Be7
        • 2.Qxe5#
      • 1...Bg7!
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qc4#
      • 1...Ke4
        • 2.Sf6#
      • 1...Ke6
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • R(e);SBLOCK::QAR2(E)
    • R(e);N_GUARD::QAR1(E),XP(c)
    • B(f);S_CUTR(e)::QAR1(E),XP(c)
    • P(d);OGATE,XP(G)::B(H)+P(F)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Threat
        • S(C),XP(d)
      • Vars
        • R(e);N_GUARD::QAR1(E),XP(c)
      • Refutation
        • B(f);XP(G)
    • Try
      • K(B);P-FLIGHT
      • Threat
        • S(I)
      • Vars
        • R(e);SBLOCK::QAR2(E)
        • B(f);S_CUTR(e)::QAR1(E),XP(c)
      • Refutation
        • B(f);
  • Actual
    • Q(E);N_PINP(c)
    • Threat
      • QAB1(E)
    • Vars
      • K(b);S_FLIGHT::S(I)
      • K(b);S_FLIGHT::S(C),XP(d)
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