MESON Chess Problem Database

Problem Display
PID: 66120 (1b3q2/3B1p2/3n4/3N4/R1P1P2R/1n1kP3/3P4/3K4 w - - 0 1)

Groeneveld, Cornelis

Schakend Nederland, 1983

1b3q2/3B1p2/3n4/3N4/R1P1P2R/1n1kP3/3P4/3K4

#2

9 + 6

3195 idee & form 1983

SOLUTION

  • SOUND
  • Tries
    • 1.c5?
      • threat
        • 2.Sf4#
      • 1...Sxd2
        • 2.Rd4#
      • 1...Sxe4
        • 2.Bb5#
      • 1...Sd4
        • 2.Rxd4#
      • 1...Sc4
        • 2.Sb4#
      • 1...Sb5
        • 2.Bxb5#
      • 1...Sf5
        • 2.Bb5#
      • 1...Sb7
        • 2.Bb5#
      • 1...Sc8
        • 2.Bb5#
      • 1...Se8
        • 2.Bb5#
      • 1...Qh6!
  • Keys
    • 1.e5!
      • threat
        • 2.Sb4#
      • 1...Sxd2
        • 2.Rd4#
      • 1...Sxc4
        • 2.Bf5#
      • 1...Sd4
        • 2.Rxd4#
      • 1...Se4
        • 2.Sf4#
      • 1...Sb5
        • 2.Bf5#
      • 1...Sf5
        • 2.Bxf5#
      • 1...Sb7
        • 2.Bf5#
      • 1...Sc8
        • 2.Bf5#
      • 1...Se8
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(E);
      • Threat
        • S(H)
      • Vars
        • S(a);N_GUARD,XP(B)::R1(D)
        • S(c);N_GUARD,XP(F)::B(I)
        • S(a);N_GUARD::R1(D),XS(a)
        • S(c);SBLOCK::S(H)
        • S(c);N_GUARD::B(I),XS(c)
        • S(c);N_GUARD::B(I)
      • Refutation
        • Q(f);
  • Actual
    • P(F);
    • Threat
      • S(H)
    • Vars
      • S(a);N_GUARD,XP(B)::R1(G)
      • S(c);N_GUARD,XP(E)::B(I)
      • S(a);N_GUARD::R1(G),XS(a)
      • S(c);SBLOCK::S(H)
      • S(c);N_GUARD::B(I)
      • S(c);N_GUARD::B(I),XS(c)
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