MESON Chess Problem Database

Problem Display
PID: 207858 (8/8/4Q3/2N5/2Bkp3/4N1K1/8/8 w - - 0 1)

Klipachev, Vladimir Panteleevich

Zadachi i Etyudi, 2019

8/8/4Q3/2N5/2Bkp3/4N1K1/8/8

#2

5 + 2

5454 Near Snap 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sb3+?
      • 1...Kxe3
        • 2.Qb6#
        • 2.Qh6#
      • 1...Kc3!
    • 1.Qf5?
      • 1...Kxe3
        • 2.Qf2#
      • 1...Kc3!
    • 1.Qe5+?
      • 1...Kxe3
        • 2.Qc3#
      • 1...Kxe5!
    • 1.Qd6+?
      • 1...Kc3
        • 2.Sa4#
      • 1...Kxe3!
    • 1.Qf6+?
      • 1...Kxe3
        • 2.Qc3#
        • 2.Qf2#
      • 1...Kxc5!
  • Keys
    • 1.Qb6!
      • 1...Kc3
        • 2.Sxe4#
      • 1...Kxe3
        • 2.Sb3#
      • 1...Ke5
        • 2.Sd7#

Anticipated by 171324(1994)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(A)::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);OGATE,P_SPINP(b),S_FLIGHT,XS(A)::QAR2(E)
      • Refutation
        • K(a);S_FLIGHT,XQ(E)
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT,XS(A)
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);S_FLIGHT,XS(D)
  • Actual
    • Q(E);
    • Vars
      • K(a);S_FLIGHT::S(D),XP(b)
      • K(a);S_FLIGHT,XS(A)::QAB(E)+S(D)
      • K(a);S_FLIGHT::S(D)
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