MESON Chess Problem Database

Problem Display
PID: 166223 (8/Q7/8/3P1B2/1Nk1N3/8/8/1K6 w - - 0 1)

Klipachev, Vladimir Panteleevich

diagrammes, 1998

8/Q7/8/3P1B2/1Nk1N3/8/8/1K6

#2

6 + 1

145 StrateGems 2016
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sa2?
      • 1...Kb3
        • 2.Sd2#
      • 1...Kb5
        • 2.Sd6#
      • 1...Kxd5
        • 2.Qc5#
      • 1...Kd3!
    • 1.Sd3?
      • 1...Kb3
        • 2.Qa2#
      • 1...Kb5
        • 2.Sd6#
      • 1...Kxd5
        • 2.Qc5#
      • 1...Kxd3!
    • 1.Sc6?
      • 1...Kb3
        • 2.Qa2#
      • 1...Kb5
        • 2.Sd6#
      • 1...Kxd5
        • 2.Qc5#
      • 1...Kd3!
    • 1.Bd7?
      • 1...Kxb4
        • 2.Qa4#
      • 1...Kb3!
    • 1.Qa3?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kb5!
  • Keys
    • 1.Sc2!
      • 1...Kb3
        • 2.Qa2#
      • 1...Kd3
        • 2.Qa6#
      • 1...Kb5
        • 2.Sd6#
      • 1...Kxd5
        • 2.Qc5#

Anticipated by 24225(1987)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::S(C)
        • K(a);S_FLIGHT,XP(D)::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
        • K(a);S_FLIGHT::S(C)
        • K(a);S_FLIGHT,XP(D)::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT,XS(B)
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
        • K(a);S_FLIGHT::S(C)
        • K(a);S_FLIGHT,XP(D)::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(B)::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);S_FLIGHT::QAB1(F)
      • K(a);S_FLIGHT::QAB(F)
      • K(a);S_FLIGHT::S(C)
      • K(a);S_FLIGHT,XP(D)::QAR1(F)
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