MESON Chess Problem Database

Problem Display
PID: 180816 (7Q/8/8/4B3/2K1k1P1/4P3/6P1/8 w - - 0 1)

Akimov, Nikolai Nikolaevich

Sachmatija, 2017

7Q/8/8/4B3/2K1k1P1/4P3/6P1/8

#2

6 + 1

5454 Near Snap 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qh1?
      • 1...Kxe3
        • 2.Qe1#
      • 1...Kxe5!
    • 1.Qh7+?
      • 1...Kxe5
        • 2.Qe7#
      • 1...Kxe3!
    • 1.Qd8?
      • threat
        • 2.Qd4#
      • 1...Kxe5
        • 2.Qe7#
      • 1...Kxe3!
    • 1.Qf8?
      • threat
        • 2.Qf4#
      • 1...Kxe5
        • 2.Qe7#
      • 1...Kxe3!
  • Keys
    • 1.Qh4!
      • 1...Kxe3
        • 2.Qe1#
      • 1...Kxe5
        • 2.Qe7#

Anticipated by 168587(2000)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(B)::QAR2(F)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);OGATEB,P-FLIGHT,XB(E)::QAR2(F)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(a);OGATEB,P-FLIGHT,XB(E)::QAR2(F)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(a);OGATEB,P-FLIGHT,XB(E)::QAR2(F)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
  • Actual
    • Q(F);
    • Vars
      • K(a);OGATEB,P-FLIGHT,XP(B)::QAR2(F)
      • K(a);OGATEB,P-FLIGHT,XB(E)::QAR2(F)
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