MESON Chess Problem Database

Problem Display
PID: 12146 (2n5/N7/2p1K3/8/1p2kp2/4p3/8/3Q4 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1975

2n5/N7/2p1K3/8/1p2kp2/4p3/8/3Q4

#2

3 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Qd5#
  • Tries
    • 1.Qc2+?
      • 1...Kd4
        • 2.Sxc6#
      • 1...Kf3!
  • Keys
    • 1.Sb5!
      • 1...cxb5
        • 2.Qd5#
      • 1...e2
        • 2.Qxe2#
      • 1...f3
        • 2.Qd4#
      • 1...Sb6
        • 2.Sd6#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sa7
        • 2.Sd6#
      • 1...Se7
        • 2.Sd6#
      • 1...b3
        • 2.Sc3#
      • 1...c5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • P(e);N_GUARD::QAB1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P-FLIGHT::S(C),XP(e)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • P(e);N_GUARD,XS(C)::QAB1(A)
      • P(a);OGATEB::QAR2(A),XP(a)
      • P(d);SBLOCK::QAR1(A)
      • S(f);N_GUARD::S(C)
      • S(f);N_GUARD::S(C),XS(f)
      • P(b);N_GUARD::S(C)
      • P(e);N_GUARD::QAB1(A)
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