MESON Chess Problem Database

Problem Display
PID: 11926 (8/1p6/1p3Q2/pPkpp3/p7/P7/1P1P1K2/5B2 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1973

8/1p6/1p3Q2/pPkpp3/p7/P7/1P1P1K2/5B2

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...d4
      • 2.Qxe5#
  • Tries
    • 1.Kf3?
      • 1...Kd4
        • 2.Qxb6#
      • 1...d4
        • 2.Qxe5#
      • 1...e4+!
    • 1.d4+?
      • 1...exd4
        • 2.Qe7#
        • 2.Qf8#
      • 1...Kxd4!
  • Keys
    • 1.d3!
      • 1...Kd4
        • 2.Qxb6#
      • 1...Kxb5
        • 2.d4#
      • 1...e4
        • 2.d4#
      • 1...d4
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(d);OGATEB::QAR2(G),XP(e)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(c);P_SPINP(e),S_FLIGHT::QAB(G),XP(f)
        • P(d);OGATEB::QAR2(G),XP(e)
      • Refutation
        • P(e);CHECK
    • Try
      • P(C);CHECK
      • Refutation
        • K(c);P_SPINP(e),S_FLIGHT,XP(C)
  • Actual
    • P(C);
    • Vars
      • K(c);P_SPINP(e),S_FLIGHT::QAB(G),XP(f)
      • K(c);P-FLIGHT,XP(F)::B(A)+P(C)
      • P(e);N_GUARD::P(C)
      • P(d);OGATEB::QAR2(G),XP(e)
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