MESON Chess Problem Database

Problem Display
PID: 138102 (Q7/1R6/2NP4/3k4/6K1/B7/8/8 w - - 0 1)

Bordoni, Giovanni

Due Alfieri, 1981

Q7/1R6/2NP4/3k4/6K1/B7/8/8

#2

6 + 1

14744 Nuova Antologia dei Problemisti Italiani 1992
5454 Near Snap 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Qf8?
      • 1...Ke4
        • 2.Qf3#
      • 1...Kxc6
        • 2.Qf3#
      • 1...Ke6
        • 2.Qf5#
        • 2.Qf7#
      • 1...Kc4!
  • Keys
    • 1.Qh8!
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4
        • 2.Qd4#
      • 1...Kxc6
        • 2.Qh1#
      • 1...Ke6
        • 2.Qe5#

This anticipates 155864(2009)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
        • K(a);S_FLIGHT,XS(C)::QAB(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(a);S_FLIGHT::QAR1(F)
      • K(a);S_FLIGHT,XS(C)::QAB(F)
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