MESON Chess Problem Database

Problem Display
PID: 121718 (8/7n/4Q3/4K1Pk/8/5N2/8/8 w - - 0 1)

Stocchi, Ottavio

Norsk Vanforetidsskrift, 1954

8/7n/4Q3/4K1Pk/8/5N2/8/8

#2

4 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Kf4?
      • threat
        • 2.Qf7#
        • 2.Qh6#
        • 2.Qe8#
      • 1...Sf6
        • 2.Qf7#
      • 1...Sf8
        • 2.Qh6#
      • 1...Sxg5!
  • Keys
    • 1.Kf5!
      • threat
        • 2.Qf7#
        • 2.Qg6#
        • 2.Qh6#
        • 2.Qe8#
      • 1...Sxg5
        • 2.Qg6#
      • 1...Sf6
        • 2.Qf7#
      • 1...Sf8
        • 2.Qh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • DUALS(3)
      • Vars
        • S(b);::QAB(D)
        • S(b);::QAR1(D)
      • Refutation
        • S(b);XP(C)
  • Actual
    • K(B);P-FLIGHT
    • Threat
      • DUALS(4)
    • Vars
      • S(b);XP(C)::QAB1(D)
      • S(b);::QAB(D)
      • S(b);::QAR1(D)
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