MESON Chess Problem Database

Problem Display
PID: 45060 (5N2/6n1/N5Q1/2Pk4/K2P2P1/1Pp1P3/n1P4b/8 w - - 0 1)

Groeneveld, Cornelis

Problem Paradise, 2000

5N2/6n1/N5Q1/2Pk4/K2P2P1/1Pp1P3/n1P4b/8

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1
      • 2.Sc7#
    • 1...Bc7
      • 2.Sxc7#
    • 1...Sc1
      • 2.Sb4#
    • 1...Sb4
      • 2.Sxb4#
    • 1...Sf5
      • 2.Qe6#
    • 1...Sh5
      • 2.Qe6#
    • 1...Se6
      • 2.Qxe6#
    • 1...Se8
      • 2.Qe6#
  • Tries
    • 1.Kb5?
      • threat
        • 2.Qc6#
      • 1...Sb4
        • 2.Sxb4#
      • 1...Se6
        • 2.Qxe6#
      • 1...Bd6!
    • 1.Qf5+?
      • 1...Kc6
        • 2.Qe4#
        • 2.Qd7#
        • 2.Qf3#
      • 1...Be5
        • 2.Qf3#
      • 1...Sxf5!
    • 1.Qf7+?
      • 1...Kc6
        • 2.Qf3#
        • 2.Qd7#
        • 2.d5#
      • 1...Se6
        • 2.Qxe6#
        • 2.Qf3#
        • 2.Qb7#
      • 1...Ke4!
  • Keys
    • 1.Qh7!
      • 1...Kc6
        • 2.Qe4#
      • 1...Sf5
        • 2.Qb7#
      • 1...Bg3
        • 2.Qh1#
      • 1...Bg1
        • 2.Qh1#
      • 1...Bf4
        • 2.Qh1#
      • 1...Be5
        • 2.Qh1#
      • 1...Bd6
        • 2.Qh1#
      • 1...Bc7
        • 2.Qh1#
      • 1...Bb8
        • 2.Qh1#
      • 1...Sc1
        • 2.Sb4#
      • 1...Sb4
        • 2.Sxb4#
      • 1...Sh5
        • 2.Qb7#
      • 1...Se6
        • 2.Qb7#
      • 1...Se8
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 6
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(b);N_GUARD::S(H)
    • B(b);N_GUARD::S(H),XB(b)
    • S(a);N_GUARD::S(H)
    • S(a);N_GUARD::S(H),XS(a)
    • S(e);N_GUARD::QAB1(I)
    • S(e);N_GUARD::QAB1(I),XS(e)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Threat
        • QAB1(I)
      • Vars
        • S(a);N_GUARD::S(H),XS(a)
        • S(e);N_GUARD::QAB1(I),XS(e)
      • Refutation
        • B(b);
    • Try
      • Q(I);CHECK
      • Vars
        • B(b);P_SPINB(b)::QAB(I)
      • Refutation
        • S(e);XQ(I)
    • Try
      • Q(I);CHECK
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • Q(I);
    • Vars
      • K(d);S_FLIGHT::QAB(I)
      • S(e);OGATE::QAB(I)
      • B(b);OGATE::QAB(I)
      • S(a);N_GUARD::S(H)
      • S(a);N_GUARD::S(H),XS(a)
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